diff --git a/app/src/main/java/com/m57/hermescontrol/HermesControlApp.kt b/app/src/main/java/com/m57/hermescontrol/HermesControlApp.kt
index 2ffcadd6..2289e292 100644
--- a/app/src/main/java/com/m57/hermescontrol/HermesControlApp.kt
+++ b/app/src/main/java/com/m57/hermescontrol/HermesControlApp.kt
@@ -10,6 +10,7 @@ import coil3.gif.GifDecoder
 import coil3.network.okhttp.OkHttpNetworkFetcherFactory
 import coil3.request.crossfade
 import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.SessionListCacheStore
 import com.m57.hermescontrol.data.remote.NetworkMonitor
 import com.m57.hermescontrol.data.remote.OkHttpProvider
 import com.m57.hermescontrol.data.update.UpdateNoticeManager
@@ -29,6 +30,7 @@ class HermesControlApp :
         super.onCreate()
         AuthManager.init(this)
         NetworkMonitor.init(this)
+        SessionListCacheStore.init(this)
         appScope.launch {
             AuthManager.initializationState.first { it == AuthManager.InitializationState.Ready }
             // Issue #537 follow-up (A): preload analytics in the background after launch
diff --git a/app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt b/app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt
index ab99c0f7..eb3665e9 100644
--- a/app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt
+++ b/app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt
@@ -127,6 +127,41 @@ object AuthManager {
             initialValue = null,
         )
 
+    private val _authGenerationFlow = MutableStateFlow(0L)
+    val authGenerationFlow: StateFlow<Long> = _authGenerationFlow.asStateFlow()
+
+    fun invalidateAuthGeneration() {
+        _authGenerationFlow.value = _authGenerationFlow.value + 1
+    }
+
+    /**
+     * Canonical observable data-scope identity covering connection profile, base URL,
+     * active server-side Hermes profile, and in-memory auth generation.
+     */
+    val dataScopeFlow: StateFlow<DataScope?> =
+        combine(
+            selectedProfileFlow,
+            baseUrlFlow,
+            activeProfileId,
+            authGenerationFlow,
+        ) { selectedProfile, baseUrl, activeProfile, authGen ->
+            val cleanUrl = baseUrl.trimEnd('/')
+            if (cleanUrl.isBlank()) {
+                null
+            } else {
+                DataScope(
+                    connectionProfileId = selectedProfile ?: DEFAULT_PROFILE_ID,
+                    baseUrl = cleanUrl,
+                    activeProfileId = activeProfile?.takeIf { it.isNotBlank() } ?: DEFAULT_PROFILE_ID,
+                    inMemoryAuthGeneration = authGen,
+                )
+            }
+        }.stateIn(
+            scope = contextScope,
+            started = SharingStarted.Eagerly,
+            initialValue = null,
+        )
+
     /**
      * Initialise the encrypted preferences.
      * Call this once from Application.onCreate() or MainActivity.onCreate().
@@ -595,6 +630,9 @@ object AuthManager {
     }
 
     fun setToken(token: String?) {
+        if (token == null) {
+            invalidateAuthGeneration()
+        }
         val selectedId =
             getSelectedProfileId() ?: run {
                 ensureDefaultSelected()
@@ -611,6 +649,23 @@ object AuthManager {
 
     fun getBaseUrl(): String = serverStore.getLatestState().resolvedBaseUrl
 
+    fun currentDataScope(): DataScope? {
+        val rawUrl = runCatching { getBaseUrl() }.getOrNull() ?: _baseUrlFlow.value
+        val cleanUrl = rawUrl.trimEnd('/')
+        if (cleanUrl.isBlank()) return null
+        val connectionProfileId =
+            runCatching { getSelectedProfileId() }.getOrNull()
+                ?: _selectedProfileFlow.value
+                ?: DEFAULT_PROFILE_ID
+        val activeProfile = _activeProfileId.value?.takeIf { it.isNotBlank() } ?: DEFAULT_PROFILE_ID
+        return DataScope(
+            connectionProfileId = connectionProfileId,
+            baseUrl = cleanUrl,
+            activeProfileId = activeProfile,
+            inMemoryAuthGeneration = _authGenerationFlow.value,
+        )
+    }
+
     fun endpoint(): ServerEndpoint =
         ServerEndpoint.parse(
             getBaseUrl(),
diff --git a/app/src/main/java/com/m57/hermescontrol/data/local/DataScope.kt b/app/src/main/java/com/m57/hermescontrol/data/local/DataScope.kt
new file mode 100644
index 00000000..35a40579
--- /dev/null
+++ b/app/src/main/java/com/m57/hermescontrol/data/local/DataScope.kt
@@ -0,0 +1,45 @@
+package com.m57.hermescontrol.data.local
+
+/**
+ * Canonical data-scope identity representing the authenticated server and profile context.
+ * Used to partition caches (both in-memory and persistent) so that switching servers,
+ * changing server URLs, switching server-side profiles, or logging out/re-logging in
+ * never leaks data across boundaries.
+ *
+ * Contains no credentials, tokens, cookies, passwords, or secrets.
+ */
+data class DataScope(
+    val connectionProfileId: String,
+    val baseUrl: String,
+    val activeProfileId: String,
+    val inMemoryAuthGeneration: Long = 0L,
+) {
+    /**
+     * Deterministic in-memory cache key.
+     * Uses length-prefixing for unambiguous separation of components, and includes
+     * [inMemoryAuthGeneration] so logging out and re-logging in automatically invalidates
+     * all in-memory caches.
+     */
+    fun inMemoryKey(localKey: String = "default"): String = "g$inMemoryAuthGeneration:${persistentKey(localKey)}"
+
+    /**
+     * Deterministic persistent cache key for disk storage (e.g. SessionListCacheStore).
+     * Uses length-prefixing so no delimiter collision is possible.
+     * Does NOT include volatile [inMemoryAuthGeneration] so disk caches survive normal process restarts.
+     * Disk caches are explicitly wiped on logout.
+     */
+    fun persistentKey(localKey: String = "default"): String =
+        "c${connectionProfileId.length}:$connectionProfileId:u${baseUrl.length}:$baseUrl:p${activeProfileId.length}:$activeProfileId:k${localKey.length}:$localKey"
+
+    fun scopedKey(localKey: String = "default"): String = inMemoryKey(localKey)
+
+    companion object {
+        val EMPTY =
+            DataScope(
+                connectionProfileId = AuthManager.DEFAULT_PROFILE_ID,
+                baseUrl = "",
+                activeProfileId = AuthManager.DEFAULT_PROFILE_ID,
+                inMemoryAuthGeneration = 0L,
+            )
+    }
+}
diff --git a/app/src/main/java/com/m57/hermescontrol/data/local/SessionListCacheStore.kt b/app/src/main/java/com/m57/hermescontrol/data/local/SessionListCacheStore.kt
new file mode 100644
index 00000000..fadaf9a8
--- /dev/null
+++ b/app/src/main/java/com/m57/hermescontrol/data/local/SessionListCacheStore.kt
@@ -0,0 +1,68 @@
+package com.m57.hermescontrol.data.local
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.annotation.VisibleForTesting
+import com.m57.hermescontrol.data.model.SessionListResponse
+import com.m57.hermescontrol.data.remote.OkHttpProvider
+
+/**
+ * Lightweight disk cache for the initial page of sessions.
+ * Persists the first page JSON to SharedPreferences so the History screen
+ * can render instantly even after app kill / process death.
+ */
+object SessionListCacheStore {
+    private const val PREFS_NAME = "hermes_sessions_cache"
+    private const val KEY_PREFIX = "sessions_page_"
+
+    @Volatile
+    private var prefs: SharedPreferences? = null
+
+    fun init(context: Context) {
+        if (prefs == null) {
+            synchronized(this) {
+                if (prefs == null) {
+                    prefs = context.applicationContext.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
+                }
+            }
+        }
+    }
+
+    fun get(key: String): SessionListResponse? {
+        val p = prefs ?: return null
+        val raw = p.getString(KEY_PREFIX + key, null) ?: return null
+        return try {
+            OkHttpProvider.json.decodeFromString<SessionListResponse>(raw)
+        } catch (_: Exception) {
+            null
+        }
+    }
+
+    fun put(
+        key: String,
+        data: SessionListResponse,
+    ) {
+        val p = prefs ?: return
+        try {
+            val json = OkHttpProvider.json.encodeToString(SessionListResponse.serializer(), data)
+            p.edit().putString(KEY_PREFIX + key, json).apply()
+        } catch (_: Exception) {
+            // Ignore serialization issues on cache save
+        }
+    }
+
+    fun remove(key: String) {
+        prefs?.edit()?.remove(KEY_PREFIX + key)?.apply()
+    }
+
+    fun clear() {
+        prefs?.edit()?.clear()?.apply()
+    }
+
+    @VisibleForTesting
+    internal fun resetForTesting(testPrefs: SharedPreferences? = null) {
+        synchronized(this) {
+            prefs = testPrefs
+        }
+    }
+}
diff --git a/app/src/main/java/com/m57/hermescontrol/data/local/SwrCache.kt b/app/src/main/java/com/m57/hermescontrol/data/local/SwrCache.kt
new file mode 100644
index 00000000..bcfb59ff
--- /dev/null
+++ b/app/src/main/java/com/m57/hermescontrol/data/local/SwrCache.kt
@@ -0,0 +1,63 @@
+package com.m57.hermescontrol.data.local
+
+/**
+ * Lightweight thread-safe in-memory cache for Stale-While-Revalidate screen state.
+ * Stores entries with optional TTL and a bounded capacity.
+ *
+ * All map operations are synchronized on a private lock so that compound
+ * operations (e.g. read + TTL expiry check + remove) are atomic and safe against races.
+ */
+class SwrCache<K : Any, V : Any>(
+    private val maxCapacity: Int = DEFAULT_MAX_CAPACITY,
+    private val ttlMillis: Long = DEFAULT_TTL_MILLIS,
+    private val timeProvider: () -> Long = { System.currentTimeMillis() },
+) {
+    private data class Entry<V>(
+        val value: V,
+        val timestamp: Long,
+    )
+
+    private val lock = Any()
+    private val map =
+        object : LinkedHashMap<K, Entry<V>>(maxCapacity, 0.75f, true) {
+            override fun removeEldestEntry(eldest: MutableMap.MutableEntry<K, Entry<V>>?): Boolean = size > maxCapacity
+        }
+
+    fun get(key: K): V? =
+        synchronized(lock) {
+            val entry = map[key] ?: return null
+            if (ttlMillis > 0 && timeProvider() - entry.timestamp > ttlMillis) {
+                map.remove(key)
+                return null
+            }
+            entry.value
+        }
+
+    fun put(
+        key: K,
+        value: V,
+    ) {
+        synchronized(lock) {
+            map[key] = Entry(value, timeProvider())
+        }
+    }
+
+    fun remove(key: K): V? =
+        synchronized(lock) {
+            map.remove(key)?.value
+        }
+
+    fun clear() {
+        synchronized(lock) {
+            map.clear()
+        }
+    }
+
+    val size: Int
+        get() = synchronized(lock) { map.size }
+
+    companion object {
+        const val DEFAULT_MAX_CAPACITY = 50
+        const val DEFAULT_TTL_MILLIS = 5 * 60 * 1000L // 5 minutes
+    }
+}
diff --git a/app/src/main/java/com/m57/hermescontrol/data/remote/NetworkResult.kt b/app/src/main/java/com/m57/hermescontrol/data/remote/NetworkResult.kt
index 6512ec99..a19c8281 100644
--- a/app/src/main/java/com/m57/hermescontrol/data/remote/NetworkResult.kt
+++ b/app/src/main/java/com/m57/hermescontrol/data/remote/NetworkResult.kt
@@ -1,5 +1,6 @@
 package com.m57.hermescontrol.data.remote
 
+import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.delay
 import kotlinx.serialization.json.jsonObject
 import kotlinx.serialization.json.jsonPrimitive
@@ -132,6 +133,8 @@ suspend inline fun <reified T> safeApiCall(
             }
             val backoff = jitteredBackoff(500L * (1 shl attempt))
             delay(backoff)
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             return NetworkResult.Failure(
                 NetworkError.Unknown(
diff --git a/app/src/main/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinator.kt b/app/src/main/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinator.kt
index 7fe39ad8..69c0a063 100644
--- a/app/src/main/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinator.kt
+++ b/app/src/main/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinator.kt
@@ -6,6 +6,7 @@ import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.data.ws.HermesWsClient
+import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.SharedFlow
@@ -31,6 +32,18 @@ import kotlinx.coroutines.withContext
  *  4. Re-dial the WebSocket so the gateway re-homes chat to the new profile.
  */
 object ProfileSwitchCoordinator {
+    /**
+     * Dispatcher for the blocking network hops below.
+     *
+     * Injectable so tests can drive the whole switch on a TestDispatcher. With the
+     * real Dispatchers.IO these paths hop to a live thread pool and the ORDER of
+     * the mocked calls becomes load-dependent -- ProfileSwitchCoordinatorTest's
+     * Ordering.SEQUENCE checks passed on an idle machine but lost 2 tests while the
+     * emulator saturated the CPU, and its setMain-less sibling tests failed
+     * outright whenever another class had left Dispatchers.Main broken.
+     */
+    internal var ioDispatcher: CoroutineDispatcher = Dispatchers.IO
+
     private val _switched = MutableSharedFlow<String>(extraBufferCapacity = 1)
     val switched: SharedFlow<String> = _switched.asSharedFlow()
 
@@ -39,7 +52,7 @@ object ProfileSwitchCoordinator {
 
     suspend fun switchProfile(name: String): NetworkResult<Unit> {
         val result =
-            withContext(Dispatchers.IO) {
+            withContext(ioDispatcher) {
                 safeApiCall { ApiClient.hermesApi.setActiveProfile(SetActiveProfileRequest(name)) }
             }
         if (result !is NetworkResult.Success) return result
@@ -50,7 +63,7 @@ object ProfileSwitchCoordinator {
         // run off the main thread or the dial crashes with
         // NetworkOnMainThreadException and falls back to the 1s reconnect
         // retry (visible in the 2026-08-06 live logcat).
-        withContext(Dispatchers.IO) {
+        withContext(ioDispatcher) {
             HermesWsClient.disconnect()
             HermesWsClient.connect()
         }
@@ -81,7 +94,7 @@ object ProfileSwitchCoordinator {
         AuthManager.setSelectedProfileId(profileId)
         ApiClient.rebuild()
         _connectionSwitched.emit(profileId.orEmpty())
-        withContext(Dispatchers.IO) {
+        withContext(ioDispatcher) {
             // The WS ticket mint reads the cookie jar's ACTIVE store; the
             // selection change swaps that store asynchronously, so a dial
             // that races it mints with the PREVIOUS server's cookie → 401 →
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsScreen.kt
index a085a9eb..3abc84c2 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsScreen.kt
@@ -52,6 +52,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.Achievement
 import com.m57.hermescontrol.data.model.RecentUnlock
 import com.m57.hermescontrol.ui.common.EmptyState
@@ -72,6 +73,7 @@ fun AchievementsScreen(
     viewModel: AchievementsViewModel = viewModel { AchievementsViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     var query by remember { mutableStateOf("") }
     var showMenu by remember { mutableStateOf(false) }
     var showResetDialog by remember { mutableStateOf(false) }
@@ -92,7 +94,8 @@ fun AchievementsScreen(
             }
         }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadAchievements()
         viewModel.loadRecentUnlocks()
     }
@@ -129,7 +132,10 @@ fun AchievementsScreen(
         title = { Text(stringResource(R.string.screen_achievements)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadAchievements() },
+        onRefresh = {
+            viewModel.loadAchievements(forceRefresh = true)
+            viewModel.loadRecentUnlocks()
+        },
         modifier = modifier,
         actions = {
             Box {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsViewModel.kt
index a01a8388..fed146df 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/achievements/AchievementsViewModel.kt
@@ -1,12 +1,16 @@
 package com.m57.hermescontrol.ui.achievements
 
 import androidx.lifecycle.ViewModel
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.Achievement
+import com.m57.hermescontrol.data.model.AchievementsResponse
 import com.m57.hermescontrol.data.model.RecentUnlock
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -46,9 +50,53 @@ class AchievementsViewModel :
     val uiState: StateFlow<AchievementsUiState> = _uiState.asStateFlow()
 
     private val api get() = ApiClient.hermesApi
+    private val achievementsCache = SwrCache<String, AchievementsResponse>()
 
-    fun loadAchievements() {
-        safeLaunchLoad(
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                achievements = emptyList(),
+                unlockedCount = 0,
+                discoveredCount = 0,
+                secretCount = 0,
+                totalCount = 0,
+                categories = emptyList(),
+                recentUnlocks = emptyList(),
+                errorMessage = null,
+            )
+        }
+    }
+
+    fun loadAchievements(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = achievementsCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                val categories =
+                    data.achievements
+                        ?.mapNotNull { it.category }
+                        ?.distinct()
+                        ?.sorted() ?: emptyList()
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        achievements = data.achievements.orEmpty(),
+                        unlockedCount = data.unlockedCount,
+                        discoveredCount = data.discoveredCount,
+                        secretCount = data.secretCount,
+                        totalCount = data.totalCount,
+                        isStale = data.isStale,
+                        generatedAt = data.generatedAt,
+                        scanState = data.scanMeta?.status?.state ?: "idle",
+                        scanLastError = data.scanMeta?.status?.lastError,
+                        scanLastDurationMs = data.scanMeta?.status?.lastDurationMs,
+                        scanRunCount = data.scanMeta?.status?.runCount ?: 0,
+                        categories = categories,
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = { safeApiCall { api.getAchievements() } },
             onStart = {
                 _uiState.update { it.copy(isLoading = true, errorMessage = null) }
@@ -100,6 +148,7 @@ class AchievementsViewModel :
     }
 
     fun rescan() {
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         safeLaunchLoad(
             apiCall = { safeApiCall { api.rescanAchievements() } },
             onStart = {
@@ -111,6 +160,12 @@ class AchievementsViewModel :
                         ?.mapNotNull { it.category }
                         ?.distinct()
                         ?.sorted() ?: emptyList()
+                // A successful rescan is a mutation: publish the fresh payload into the
+                // scoped cache, otherwise the next SWR revisit replays the pre-rescan list.
+                val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (requestScope != null && currentScope == requestScope) {
+                    achievementsCache.put(requestScope.scopedKey("default"), data)
+                }
                 _uiState.update {
                     it.copy(
                         isRescanning = false,
@@ -155,7 +210,7 @@ class AchievementsViewModel :
                         toastMessage = "Achievement state reset",
                     )
                 }
-                loadAchievements()
+                loadAchievements(forceRefresh = true)
             },
             onError = { errorMsg ->
                 _uiState.update {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/bots/BotsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/bots/BotsViewModel.kt
index d261d1d2..124af95b 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/bots/BotsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/bots/BotsViewModel.kt
@@ -21,6 +21,8 @@ import com.m57.hermescontrol.data.ws.toJsonElement
 import com.m57.hermescontrol.ui.common.ToastHost
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -235,68 +237,72 @@ class BotsViewModel(
             }
         }
         viewModelScope.launch(ioDispatcher) {
-            // First try fetching profiles via WebSocket RPC (profiles.list) which includes ui_meta (groups, custom avatars).
-            var profilesWithMeta: List<ProfileInfo>? = null
-            try {
-                val rpcResult = HermesWsClient.request(WsMethods.PROFILES_LIST).await()
-                val jsonElement =
-                    when (rpcResult) {
-                        is JsonElement -> rpcResult
-                        null -> null
-                        else -> rpcResult.toJsonElement()
+            coroutineScope {
+                val activeDeferred = async(ioDispatcher) { safeApiCall { ApiClient.hermesApi.getActiveProfile() } }
+
+                // First try fetching profiles via WebSocket RPC (profiles.list) which includes ui_meta (groups, custom avatars).
+                var profilesWithMeta: List<ProfileInfo>? = null
+                try {
+                    val rpcResult = HermesWsClient.request(WsMethods.PROFILES_LIST).await()
+                    val jsonElement =
+                        when (rpcResult) {
+                            is JsonElement -> rpcResult
+                            null -> null
+                            else -> rpcResult.toJsonElement()
+                        }
+                    if (jsonElement != null) {
+                        val resp = OkHttpProvider.json.decodeFromJsonElement<ProfilesResponse>(jsonElement)
+                        if (!resp.profiles.isNullOrEmpty()) {
+                            profilesWithMeta = resp.profiles
+                        }
                     }
-                if (jsonElement != null) {
-                    val resp = OkHttpProvider.json.decodeFromJsonElement<ProfilesResponse>(jsonElement)
-                    if (!resp.profiles.isNullOrEmpty()) {
-                        profilesWithMeta = resp.profiles
+                } catch (_: Exception) {
+                    // Fallback to REST API below
+                }
+
+                val profilesResult =
+                    if (profilesWithMeta != null) {
+                        null
+                    } else {
+                        safeApiCall { ApiClient.hermesApi.getProfiles() }
                     }
-                }
-            } catch (_: Exception) {
-                // Fallback to REST API below
-            }
+                val activeResult = activeDeferred.await()
 
-            val profilesResult =
                 if (profilesWithMeta != null) {
-                    null
+                    val activeName = (activeResult as? NetworkResult.Success)?.data?.active
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            isRefreshing = false,
+                            profiles = profilesWithMeta,
+                            activeProfileName = activeName ?: it.activeProfileName,
+                            hiddenProfiles = AuthManager.getHiddenProfiles().toSet(),
+                            errorMessage = null,
+                        )
+                    }
+                } else if (profilesResult is NetworkResult.Success) {
+                    val activeName = (activeResult as? NetworkResult.Success)?.data?.active
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            isRefreshing = false,
+                            profiles = profilesResult.data.profiles.orEmpty(),
+                            activeProfileName = activeName ?: it.activeProfileName,
+                            hiddenProfiles = AuthManager.getHiddenProfiles().toSet(),
+                            errorMessage = null,
+                        )
+                    }
                 } else {
-                    safeApiCall { ApiClient.hermesApi.getProfiles() }
-                }
-            val activeResult = safeApiCall { ApiClient.hermesApi.getActiveProfile() }
-
-            if (profilesWithMeta != null) {
-                val activeName = (activeResult as? NetworkResult.Success)?.data?.active
-                _uiState.update {
-                    it.copy(
-                        isLoading = false,
-                        isRefreshing = false,
-                        profiles = profilesWithMeta,
-                        activeProfileName = activeName ?: it.activeProfileName,
-                        hiddenProfiles = AuthManager.getHiddenProfiles().toSet(),
-                        errorMessage = null,
-                    )
-                }
-            } else if (profilesResult is NetworkResult.Success) {
-                val activeName = (activeResult as? NetworkResult.Success)?.data?.active
-                _uiState.update {
-                    it.copy(
-                        isLoading = false,
-                        isRefreshing = false,
-                        profiles = profilesResult.data.profiles.orEmpty(),
-                        activeProfileName = activeName ?: it.activeProfileName,
-                        hiddenProfiles = AuthManager.getHiddenProfiles().toSet(),
-                        errorMessage = null,
-                    )
-                }
-            } else {
-                val err =
-                    (profilesResult as? NetworkResult.Failure)?.error?.message
-                        ?: "Failed to load bots"
-                _uiState.update {
-                    it.copy(
-                        isLoading = false,
-                        isRefreshing = false,
-                        errorMessage = err,
-                    )
+                    val err =
+                        (profilesResult as? NetworkResult.Failure)?.error?.message
+                            ?: "Failed to load bots"
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            isRefreshing = false,
+                            errorMessage = err,
+                        )
+                    }
                 }
             }
         }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/common/ViewModelExt.kt b/app/src/main/java/com/m57/hermescontrol/ui/common/ViewModelExt.kt
index 56d2473e..6a6cd8b4 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/common/ViewModelExt.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/common/ViewModelExt.kt
@@ -2,9 +2,13 @@ package com.m57.hermescontrol.ui.common
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.ws.ChangeEventHub
 import kotlinx.coroutines.Job
+import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.launch
 
@@ -34,6 +38,69 @@ inline fun <T> ViewModel.safeLaunchLoad(
     }
 }
 
+/**
+ * Executes a read-only API call with Stale-While-Revalidate caching.
+ * If cached data exists in [cache] for [cacheKey] and [forceRefresh] is false, [onCacheHit] is invoked immediately
+ * on the caller thread, avoiding full-screen loading spinners on screen revisits.
+ * The network call runs in the background to update the cache and invoke [onSuccess].
+ * If a previous request is active:
+ *  - when [forceRefresh] is false, the active job is returned to avoid duplicate in-flight work
+ *  - when [forceRefresh] is true, the active job is cancelled and superseded by the new forced refresh
+ * Results are checked against [requestScope] and coroutine cancellation so late-arriving responses
+ * cannot overwrite newer state.
+ */
+inline fun <T : Any> ViewModel.safeLaunchSwrLoad(
+    cache: SwrCache<String, T>,
+    cacheKey: String = "default",
+    forceRefresh: Boolean = false,
+    currentJob: Job? = null,
+    requestScope: DataScope? = runCatching { AuthManager.currentDataScope() }.getOrNull(),
+    crossinline scopeIsCurrent: () -> Boolean = {
+        requestScope == null || AuthManager.currentDataScope() == requestScope
+    },
+    crossinline onCacheHit: (T) -> Unit,
+    crossinline apiCall: suspend () -> NetworkResult<T>,
+    crossinline onStart: () -> Unit,
+    crossinline onSuccess: (T) -> Unit,
+    crossinline onError: (String) -> Unit,
+): Job {
+    if (currentJob?.isActive == true) {
+        if (!forceRefresh) return currentJob
+        currentJob.cancel()
+    }
+    val scopedKey = requestScope?.scopedKey(cacheKey)
+    if (forceRefresh && scopedKey != null) {
+        cache.remove(scopedKey)
+    }
+    val cached = if (!forceRefresh && scopedKey != null) cache.get(scopedKey) else null
+    if (cached != null) {
+        onCacheHit(cached)
+    } else {
+        onStart()
+    }
+    return viewModelScope.launch {
+        val result = apiCall()
+        coroutineContext.ensureActive()
+        if (!scopeIsCurrent()) {
+            return@launch
+        }
+        when (result) {
+            is NetworkResult.Success -> {
+                if (scopedKey != null) {
+                    cache.put(scopedKey, result.data)
+                }
+                onSuccess(result.data)
+            }
+
+            is NetworkResult.Failure -> {
+                if (cached == null || forceRefresh) {
+                    onError(result.error.message)
+                }
+            }
+        }
+    }
+}
+
 /**
  * Executes a mutating API call inside viewModelScope with onStart, onSuccess, onError, and onComplete lifecycle callbacks.
  * Like safeLaunchLoad, avoids Dispatchers.IO hop to protect tests from dispatcher poisoning.
@@ -86,9 +153,12 @@ inline fun <T> ViewModel.refreshOnChange(
             .collect { _ ->
                 if (refreshInFlight) return@collect
                 refreshInFlight = true
+                val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
                 try {
-                    // No Dispatchers.IO hop — see safeLaunchLoad.
                     val result = apiCall()
+                    coroutineContext.ensureActive()
+                    val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (requestScope != null && currentScope != requestScope) return@collect
                     if (result is NetworkResult.Success) {
                         onSuccess(result.data)
                     }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigScreen.kt
index 3291ef4a..213ee6a8 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigScreen.kt
@@ -99,7 +99,7 @@ fun ConfigScreen(
         title = { Text(stringResource(R.string.config_screen_title)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadAll() },
+        onRefresh = { viewModel.loadAll(forceRefresh = true) },
         actions = {
             if (!state.yamlMode && state.modifiedKeys.isNotEmpty()) {
                 IconButton(onClick = { viewModel.saveConfig() }) {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigViewModel.kt
index 29141d4b..4e85d684 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/config/ConfigViewModel.kt
@@ -2,12 +2,16 @@ package com.m57.hermescontrol.ui.config
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.ConfigSchemaResponse
 import com.m57.hermescontrol.data.model.ConfigUpdateRequest
 import com.m57.hermescontrol.data.model.UpdateRawConfigRequest
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
+import com.m57.hermescontrol.data.session.ProfileSwitchCoordinator
 import com.m57.hermescontrol.ui.common.ToastHost
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
@@ -50,35 +54,114 @@ class ConfigViewModel :
     val uiState: StateFlow<ConfigUiState> = _uiState.asStateFlow()
 
     private val pendingChanges = mutableMapOf<String, JsonElement>()
+    private val schemaCache = SwrCache<String, ConfigSchemaResponse>(maxCapacity = 10)
+    private val defaultsCache = SwrCache<String, Map<String, JsonElement>>(maxCapacity = 10)
 
     init {
+        // Scope transitions are driven by ProfileSwitchCoordinator (profile switch and
+        // connection switch). An additional AuthManager.dataScopeFlow collector would
+        // double-fire on the same transition and issue a duplicate loadAll().
+        viewModelScope.launch {
+            ProfileSwitchCoordinator.switched.collect {
+                onDataScopeChanged(AuthManager.currentDataScope())
+            }
+        }
+        viewModelScope.launch {
+            ProfileSwitchCoordinator.connectionSwitched.collect {
+                onDataScopeChanged(AuthManager.currentDataScope())
+            }
+        }
         loadAll()
     }
 
-    fun loadAll() {
-        viewModelScope.launch {
+    private fun onDataScopeChanged(newScope: DataScope?) {
+        pendingChanges.clear()
+        _uiState.update {
+            it.copy(
+                values = null,
+                schema = null,
+                defaults = null,
+                uncoveredPaths = emptyList(),
+                path = null,
+                yamlText = null,
+                modifiedKeys = emptySet(),
+                isSaving = false,
+                yamlIsSaving = false,
+                yamlIsLoading = false,
+                errorMessage = null,
+            )
+        }
+        // A scope switch must load the new context. The scoped caches mean this paints the
+        // new scope's own entry instantly when one exists, then revalidates in the background.
+        loadAll()
+    }
+
+    fun loadAll(forceRefresh: Boolean = false) {
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+        val scopeKey = requestScope?.inMemoryKey("schema") ?: ""
+        if (forceRefresh && scopeKey.isNotBlank()) {
+            schemaCache.remove(scopeKey)
+            defaultsCache.remove(scopeKey)
+        }
+        val cachedSchema = if (scopeKey.isNotBlank()) schemaCache.get(scopeKey) else null
+        val cachedDefaults = if (scopeKey.isNotBlank()) defaultsCache.get(scopeKey) else null
+        val hasCachedData = _uiState.value.values != null
+        if (!hasCachedData) {
             _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        }
+        viewModelScope.launch {
             try {
                 coroutineScope {
                     val configDeferred = async(Dispatchers.IO) { safeApiCall { ApiClient.hermesApi.getConfig() } }
-                    val schemaDeferred = async(Dispatchers.IO) { safeApiCall { ApiClient.hermesApi.getConfigSchema() } }
+                    val schemaDeferred =
+                        if (cachedSchema == null) {
+                            async(Dispatchers.IO) { safeApiCall { ApiClient.hermesApi.getConfigSchema() } }
+                        } else {
+                            null
+                        }
                     val defaultsDeferred =
-                        async(Dispatchers.IO) { safeApiCall { ApiClient.hermesApi.getConfigDefaults() } }
+                        if (cachedDefaults == null) {
+                            async(Dispatchers.IO) { safeApiCall { ApiClient.hermesApi.getConfigDefaults() } }
+                        } else {
+                            null
+                        }
                     val rawDeferred = async(Dispatchers.IO) { safeApiCall { ApiClient.hermesApi.getRawConfig() } }
 
                     val configResult = configDeferred.await()
-                    val schemaResult = schemaDeferred.await()
-                    val defaultsResult = defaultsDeferred.await()
+                    val schema: ConfigSchemaResponse? =
+                        (schemaDeferred?.await() as? NetworkResult.Success)?.data?.also {
+                            if (scopeKey.isNotBlank()) schemaCache.put(scopeKey, it)
+                        } ?: cachedSchema
+                    val defaults: Map<String, JsonElement>? =
+                        (defaultsDeferred?.await() as? NetworkResult.Success)?.data?.also {
+                            if (scopeKey.isNotBlank()) defaultsCache.put(scopeKey, it)
+                        } ?: cachedDefaults
                     val rawResult = rawDeferred.await()
 
+                    val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (requestScope != null && currentScope != requestScope) return@coroutineScope
+
                     if (configResult is NetworkResult.Success) {
                         val values = flattenConfig(configResult.data)
-                        val schema = (schemaResult as? NetworkResult.Success)?.data
-                        val defaults = (defaultsResult as? NetworkResult.Success)?.data
                         val path = (rawResult as? NetworkResult.Success)?.data?.path
 
-                        _uiState.update {
-                            it.copy(
+                        _uiState.update { state ->
+                            val categories = schema?.category_order ?: emptyList()
+                            val validCategory =
+                                when {
+                                    state.activeCategory.isNotBlank() && state.activeCategory in categories -> {
+                                        state.activeCategory
+                                    }
+
+                                    categories.isNotEmpty() -> {
+                                        categories.first()
+                                    }
+
+                                    else -> {
+                                        state.activeCategory
+                                    }
+                                }
+                            state.copy(
                                 isLoading = false,
                                 values = values,
                                 schema = schema,
@@ -89,15 +172,11 @@ class ConfigViewModel :
                                         schema?.fields?.keys ?: emptySet(),
                                     ),
                                 path = path,
-                                activeCategory =
-                                    if (schema?.category_order?.isNotEmpty() == true) {
-                                        schema.category_order.first()
-                                    } else {
-                                        ""
-                                    },
+                                activeCategory = validCategory,
+                                errorMessage = null,
                             )
                         }
-                    } else {
+                    } else if (!hasCachedData) {
                         val errorMsg = (configResult as? NetworkResult.Failure)?.error?.message ?: "Unknown error"
                         _uiState.update {
                             it.copy(isLoading = false, errorMessage = "Failed to load config: $errorMsg")
@@ -105,8 +184,11 @@ class ConfigViewModel :
                     }
                 }
             } catch (e: Exception) {
-                _uiState.update {
-                    it.copy(isLoading = false, errorMessage = "Failed to load config: ${e.message}")
+                val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (requestScope != null && currentScope == requestScope && !hasCachedData) {
+                    _uiState.update {
+                        it.copy(isLoading = false, errorMessage = "Failed to load config: ${e.message}")
+                    }
                 }
             }
         }
@@ -198,6 +280,7 @@ class ConfigViewModel :
 
     fun saveConfig() {
         if (pendingChanges.isEmpty()) return
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         _uiState.update { it.copy(isSaving = true) }
         viewModelScope.launch {
             val changeset = buildChangeset(pendingChanges)
@@ -209,6 +292,8 @@ class ConfigViewModel :
                         )
                     }
                 }
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
             when (result) {
                 is NetworkResult.Success -> {
                     pendingChanges.clear()
@@ -216,6 +301,8 @@ class ConfigViewModel :
                         withContext(Dispatchers.IO) {
                             safeApiCall { ApiClient.hermesApi.getConfig() }
                         }
+                    val currentScopeAfterGet = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (requestScope != null && currentScopeAfterGet != requestScope) return@launch
                     _uiState.update {
                         it.copy(
                             isSaving = false,
@@ -242,6 +329,7 @@ class ConfigViewModel :
 
     fun saveYamlConfig() {
         val yamlText = _uiState.value.yamlText ?: return
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         _uiState.update { it.copy(yamlIsSaving = true) }
         viewModelScope.launch {
             val result =
@@ -252,12 +340,16 @@ class ConfigViewModel :
                         )
                     }
                 }
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
             when (result) {
                 is NetworkResult.Success -> {
                     val configResult =
                         withContext(Dispatchers.IO) {
                             safeApiCall { ApiClient.hermesApi.getConfig() }
                         }
+                    val currentScopeAfterGet = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (requestScope != null && currentScopeAfterGet != requestScope) return@launch
                     _uiState.update {
                         it.copy(
                             yamlIsSaving = false,
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsScreen.kt
index 7e408b72..ddbc7235 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsScreen.kt
@@ -55,6 +55,7 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.CronBlueprint
 import com.m57.hermescontrol.data.model.CronBlueprintField
 import com.m57.hermescontrol.data.model.CronJob
@@ -82,10 +83,12 @@ fun CronJobsScreen(
     viewModel: CronJobsViewModel = viewModel { CronJobsViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     val spacing = LocalSpacing.current
     var selectedJob by remember { mutableStateOf<CronJob?>(null) }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadCronJobs()
     }
 
@@ -95,7 +98,7 @@ fun CronJobsScreen(
         title = { Text(stringResource(R.string.screen_cron)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadCronJobs() },
+        onRefresh = { viewModel.loadCronJobs(forceRefresh = true) },
         actions = {
             IconButton(onClick = { viewModel.openNewJobDialog() }) {
                 Icon(
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsViewModel.kt
index 7049162c..de760d43 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/cron/CronJobsViewModel.kt
@@ -2,6 +2,9 @@ package com.m57.hermescontrol.ui.cron
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.CreateCronJobRequest
 import com.m57.hermescontrol.data.model.CronBlueprint
 import com.m57.hermescontrol.data.model.CronJob
@@ -16,6 +19,7 @@ import com.m57.hermescontrol.data.ws.toJsonElement
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.refreshOnChange
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -95,6 +99,19 @@ class CronJobsViewModel :
     val uiState: StateFlow<CronJobsUiState> = _uiState.asStateFlow()
 
     private var loadJob: Job? = null
+    private val jobsCache = SwrCache<String, List<CronJob>>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                jobs = emptyList(),
+                errorMessage = null,
+                deleteTarget = null,
+                editorState = CronJobEditorState(),
+            )
+        }
+    }
 
     init {
         // Issue #784: gateway broadcasts cron.changed — refresh the list
@@ -102,14 +119,24 @@ class CronJobsViewModel :
         refreshOnChange(
             eventType = ChangeEvents.CRON,
             apiCall = { safeApiCall { ApiClient.hermesApi.getCronJobs() } },
-            onSuccess = { data -> _uiState.update { it.copy(jobs = data.orEmpty()) } },
+            onSuccess = { data ->
+                val jobs = data.orEmpty()
+                val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (requestScope != null) jobsCache.put(requestScope.inMemoryKey("default"), jobs)
+                _uiState.update { it.copy(jobs = jobs) }
+            },
         )
     }
 
-    fun loadCronJobs() {
+    fun loadCronJobs(forceRefresh: Boolean = false) {
         loadJob =
-            safeLaunchLoad(
+            safeLaunchSwrLoad(
+                cache = jobsCache,
+                forceRefresh = forceRefresh,
                 currentJob = loadJob,
+                onCacheHit = { cached ->
+                    _uiState.update { it.copy(isLoading = false, jobs = cached, errorMessage = null) }
+                },
                 apiCall = { safeApiCall { ApiClient.hermesApi.getCronJobs() } },
                 onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
                 onSuccess = { data ->
@@ -128,6 +155,7 @@ class CronJobsViewModel :
 
     fun pauseCronJob(id: String) {
         val originalJobs = _uiState.value.jobs
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         _uiState.update { state ->
             state.copy(
                 jobs =
@@ -141,14 +169,24 @@ class CronJobsViewModel :
                 withContext(Dispatchers.IO) {
                     safeApiCall { ApiClient.hermesApi.pauseCronJob(id) }
                 }
-            if (result is NetworkResult.Failure) {
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
+            if (result is NetworkResult.Success) {
+                if (requestScope != null) {
+                    jobsCache.put(requestScope.scopedKey("default"), _uiState.value.jobs)
+                }
+            } else if (result is NetworkResult.Failure) {
                 revertJobs(originalJobs, "Failed to pause cron job: ${result.error.message}")
+                if (requestScope != null) {
+                    jobsCache.put(requestScope.scopedKey("default"), _uiState.value.jobs)
+                }
             }
         }
     }
 
     fun resumeCronJob(id: String) {
         val originalJobs = _uiState.value.jobs
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         _uiState.update { state ->
             state.copy(
                 jobs =
@@ -162,8 +200,17 @@ class CronJobsViewModel :
                 withContext(Dispatchers.IO) {
                     safeApiCall { ApiClient.hermesApi.resumeCronJob(id) }
                 }
-            if (result is NetworkResult.Failure) {
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
+            if (result is NetworkResult.Success) {
+                if (requestScope != null) {
+                    jobsCache.put(requestScope.scopedKey("default"), _uiState.value.jobs)
+                }
+            } else if (result is NetworkResult.Failure) {
                 revertJobs(originalJobs, "Failed to resume cron job: ${result.error.message}")
+                if (requestScope != null) {
+                    jobsCache.put(requestScope.scopedKey("default"), _uiState.value.jobs)
+                }
             }
         }
     }
@@ -188,6 +235,7 @@ class CronJobsViewModel :
 
     fun deleteCronJob(id: String) {
         val originalJobs = _uiState.value.jobs
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         _uiState.update { state ->
             state.copy(jobs = state.jobs.filter { it.id != id })
         }
@@ -196,8 +244,17 @@ class CronJobsViewModel :
                 withContext(Dispatchers.IO) {
                     safeApiCall { ApiClient.hermesApi.deleteCronJob(id) }
                 }
-            if (result is NetworkResult.Failure) {
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
+            if (result is NetworkResult.Success) {
+                if (requestScope != null) {
+                    jobsCache.put(requestScope.scopedKey("default"), _uiState.value.jobs)
+                }
+            } else if (result is NetworkResult.Failure) {
                 revertJobs(originalJobs, "Failed to delete cron job: ${result.error.message}")
+                if (requestScope != null) {
+                    jobsCache.put(requestScope.scopedKey("default"), _uiState.value.jobs)
+                }
             }
         }
     }
@@ -447,7 +504,7 @@ class CronJobsViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     closeEditor()
-                    loadCronJobs()
+                    loadCronJobs(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/files/FilesScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/files/FilesScreen.kt
index 22d98316..448b6497 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/files/FilesScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/files/FilesScreen.kt
@@ -45,6 +45,7 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
@@ -57,6 +58,7 @@ import androidx.core.content.FileProvider
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.ManagedFileEntry
 import com.m57.hermescontrol.ui.common.EmptyState
 import com.m57.hermescontrol.ui.common.ErrorState
@@ -79,6 +81,7 @@ fun FilesScreen(
     viewModel: FilesViewModel = viewModel { FilesViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     val context = LocalContext.current
 
     val uploadLauncher =
@@ -104,6 +107,13 @@ fun FilesScreen(
         onDispose { viewModel.clearTransientState() }
     }
 
+    // Scope-aware load: a new server/profile context must never keep the old
+    // server's directory path or entries on screen (PR #1192 cache scoping).
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
+        viewModel.load()
+    }
+
     val hasEntries = state.entries.isNotEmpty()
 
     ToastEffect(toastMessage = state.toastMessage, onClearToast = viewModel::clearToast)
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/files/FilesViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/files/FilesViewModel.kt
index 6b58ca84..6c25d360 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/files/FilesViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/files/FilesViewModel.kt
@@ -3,15 +3,18 @@ package com.m57.hermescontrol.ui.files
 import android.util.Base64
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.ManagedDirectoryCreate
 import com.m57.hermescontrol.data.model.ManagedFileActionResponse
 import com.m57.hermescontrol.data.model.ManagedFileDelete
 import com.m57.hermescontrol.data.model.ManagedFileEntry
+import com.m57.hermescontrol.data.model.ManagedFilesListResponse
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -76,8 +79,52 @@ class FilesViewModel :
     private val _uiState = MutableStateFlow(FilesUiState())
     val uiState: StateFlow<FilesUiState> = _uiState.asStateFlow()
 
-    fun load(path: String? = null) {
-        safeLaunchLoad(
+    private val filesCache = SwrCache<String, ManagedFilesListResponse>()
+
+    /**
+     * Reset state owned by the previous server/profile context (issue: PR #1192 cache scoping).
+     * The current directory path belongs to the old server and must not leak into the new one.
+     */
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                currentPath = "",
+                parentPath = null,
+                crumbs = emptyList(),
+                entries = emptyList(),
+                isLoading = false,
+                errorMessage = null,
+                busyPaths = emptySet(),
+                isCreatingDir = false,
+                newDirName = "",
+                isUploading = false,
+                deleteTarget = null,
+                openingPath = null,
+            )
+        }
+    }
+
+    fun load(
+        path: String? = null,
+        forceRefresh: Boolean = false,
+    ) {
+        val cacheKey = path ?: ""
+        safeLaunchSwrLoad(
+            cache = filesCache,
+            cacheKey = cacheKey,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                _uiState.update { state ->
+                    state.copy(
+                        isLoading = false,
+                        currentPath = data.path,
+                        parentPath = data.parent,
+                        crumbs = buildCrumbs(data.path),
+                        entries = data.entries,
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = {
                 safeApiCall { ApiClient.hermesApi.listManagedFiles(path) }
             },
@@ -104,7 +151,7 @@ class FilesViewModel :
         )
     }
 
-    fun refresh() = load(_uiState.value.currentPath.ifBlank { null })
+    fun refresh() = load(_uiState.value.currentPath.ifBlank { null }, forceRefresh = true)
 
     fun navigateTo(entry: ManagedFileEntry) {
         if (!entry.isDirectory) return
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayScreen.kt
index 8fdd09d0..2114b74e 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayScreen.kt
@@ -35,6 +35,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.theme.LocalHermesStatusColors
 import com.m57.hermescontrol.ui.common.ErrorState
 import com.m57.hermescontrol.ui.common.HermesScaffold
@@ -51,9 +52,11 @@ fun GatewayScreen(
     viewModel: GatewayViewModel = viewModel { GatewayViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     val statusColors = LocalHermesStatusColors.current
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadStatus()
     }
 
@@ -63,7 +66,7 @@ fun GatewayScreen(
         title = { Text(stringResource(R.string.screen_gateway)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadStatus() },
+        onRefresh = { viewModel.loadStatus(forceRefresh = true) },
     ) { paddingValues ->
         when {
             state.isLoading && state.status == null -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayViewModel.kt
index 7f865b07..006bbe3d 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/gateway/GatewayViewModel.kt
@@ -2,12 +2,14 @@ package com.m57.hermescontrol.ui.gateway
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.StatusResponse
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -28,8 +30,19 @@ class GatewayViewModel :
     private val _uiState = MutableStateFlow(GatewayUiState())
     val uiState: StateFlow<GatewayUiState> = _uiState.asStateFlow()
 
-    fun loadStatus() {
-        safeLaunchLoad(
+    private val statusCache = SwrCache<String, StatusResponse>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update { it.copy(isLoading = false, status = null, errorMessage = null) }
+    }
+
+    fun loadStatus(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = statusCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                _uiState.update { it.copy(isLoading = false, status = data, errorMessage = null) }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getStatus() } },
             onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
             onSuccess = { data ->
@@ -73,7 +86,7 @@ class GatewayViewModel :
                             toastMessage = "Gateway ${actionName}ed successfully",
                         )
                     }
-                    loadStatus()
+                    loadStatus(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/kanban/KanbanViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/kanban/KanbanViewModel.kt
index 5c7d38c9..d11c98fd 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/kanban/KanbanViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/kanban/KanbanViewModel.kt
@@ -13,6 +13,7 @@ import com.m57.hermescontrol.data.model.CreateTaskBody
 import com.m57.hermescontrol.data.model.ExportBoardBody
 import com.m57.hermescontrol.data.model.ImportBoardBody
 import com.m57.hermescontrol.data.model.KanbanBoard
+import com.m57.hermescontrol.data.model.KanbanBoardResponse
 import com.m57.hermescontrol.data.model.KanbanColumn
 import com.m57.hermescontrol.data.model.KanbanProfile
 import com.m57.hermescontrol.data.model.KanbanProject
@@ -32,7 +33,10 @@ import com.m57.hermescontrol.data.repository.KanbanRepositoryImpl
 import com.m57.hermescontrol.data.ws.KanbanEventsClient
 import com.m57.hermescontrol.data.ws.KanbanLiveStatus
 import com.m57.hermescontrol.ui.common.ToastHost
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -168,34 +172,71 @@ class KanbanViewModel(
         val savedSlug = preferences.getSelectedBoard(endpoint)
         val previouslySelectedId = _uiState.value.selectedBoard?.id ?: savedSlug
 
-        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        val hasExistingContent = _uiState.value.columns.isNotEmpty() || _uiState.value.tasks.isNotEmpty()
+        if (!hasExistingContent) {
+            _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        }
         loadProfiles()
         loadProjects()
         loadOrchestration()
         loadModelOptions()
         viewModelScope.launch {
-            when (val result = repository.getBoards(includeArchived = false)) {
-                is NetworkResult.Success -> {
-                    val boards = result.data.boards
-                    _uiState.update { it.copy(isLoading = false, boards = boards) }
-                    val targetBoard =
-                        boards.find { it.id == previouslySelectedId }
-                            ?: boards.find { it.id == result.data.current }
-                            ?: boards.find { it.id.equals("default", ignoreCase = true) }
-                            ?: boards.firstOrNull()
-                    if (targetBoard != null) {
-                        selectBoard(targetBoard)
+            coroutineScope {
+                val prefetchedBoardDeferred =
+                    if (previouslySelectedId != null) {
+                        async(Dispatchers.IO) {
+                            repository.getBoard(
+                                board = previouslySelectedId,
+                                includeArchived = _uiState.value.includeArchived,
+                            )
+                        }
                     } else {
-                        _uiState.update { it.copy(selectedBoard = null, columns = emptyList(), tasks = emptyList()) }
+                        null
                     }
-                }
 
-                is NetworkResult.Failure -> {
-                    _uiState.update {
-                        it.copy(
-                            isLoading = false,
-                            errorMessage = "Failed to load Kanban boards: ${result.error.message}",
-                        )
+                when (val result = repository.getBoards(includeArchived = false)) {
+                    is NetworkResult.Success -> {
+                        val boards = result.data.boards
+                        val targetBoard =
+                            boards.find { it.id == previouslySelectedId }
+                                ?: boards.find { it.id == result.data.current }
+                                ?: boards.find { it.id.equals("default", ignoreCase = true) }
+                                ?: boards.firstOrNull()
+
+                        _uiState.update { it.copy(boards = boards) }
+
+                        if (targetBoard != null) {
+                            if (prefetchedBoardDeferred != null && targetBoard.id == previouslySelectedId) {
+                                preferences.setSelectedBoard(endpoint, targetBoard.id)
+                                val gen = ++currentLoadGen
+                                _uiState.update { it.copy(selectedBoard = targetBoard) }
+                                val prefetchedResult = prefetchedBoardDeferred.await()
+                                applyBoardResult(targetBoard, prefetchedResult, gen)
+                                connectEvents(targetBoard)
+                            } else {
+                                selectBoard(targetBoard)
+                            }
+                        } else {
+                            _uiState.update {
+                                it.copy(
+                                    isLoading = false,
+                                    selectedBoard = null,
+                                    columns = emptyList(),
+                                    tasks = emptyList(),
+                                )
+                            }
+                        }
+                    }
+
+                    is NetworkResult.Failure -> {
+                        if (!hasExistingContent) {
+                            _uiState.update {
+                                it.copy(
+                                    isLoading = false,
+                                    errorMessage = "Failed to load Kanban boards: ${result.error.message}",
+                                )
+                            }
+                        }
                     }
                 }
             }
@@ -906,15 +947,11 @@ class KanbanViewModel(
         }
     }
 
-    private suspend fun loadBoardIntoState(
+    private fun applyBoardResult(
         board: KanbanBoard,
-        gen: Int = currentLoadGen,
+        result: NetworkResult<KanbanBoardResponse>,
+        gen: Int,
     ) {
-        val result =
-            repository.getBoard(
-                board = board.id,
-                includeArchived = _uiState.value.includeArchived,
-            )
         if (gen != currentLoadGen) return
         when (result) {
             is NetworkResult.Success -> {
@@ -928,6 +965,7 @@ class KanbanViewModel(
                             isLoading = false,
                             columns = body.columns,
                             tasks = allTasks,
+                            errorMessage = null,
                         )
                     }
                 }
@@ -948,6 +986,18 @@ class KanbanViewModel(
         }
     }
 
+    private suspend fun loadBoardIntoState(
+        board: KanbanBoard,
+        gen: Int = currentLoadGen,
+    ) {
+        val result =
+            repository.getBoard(
+                board = board.id,
+                includeArchived = _uiState.value.includeArchived,
+            )
+        applyBoardResult(board, result, gen)
+    }
+
     fun showToast(message: String) {
         _uiState.update { it.copy(toastMessage = message) }
     }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysScreen.kt
index dde8ab3f..d5177b20 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysScreen.kt
@@ -88,6 +88,7 @@ import androidx.compose.ui.unit.sp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.EnvVarConfig
 import com.m57.hermescontrol.theme.LocalHermesStatusColors
 import com.m57.hermescontrol.ui.common.EmptyState
@@ -114,6 +115,7 @@ fun KeysScreen(
     viewModel: KeysViewModel = viewModel { KeysViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     var query by remember { mutableStateOf("") }
     var selectedCategory by remember { mutableStateOf(FILTER_ALL) }
 
@@ -150,7 +152,8 @@ fun KeysScreen(
 
     val hasAnyVars = state.categories.any { it.vars.isNotEmpty() }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadKeys()
     }
 
@@ -211,7 +214,7 @@ fun KeysScreen(
         title = { Text(stringResource(R.string.screen_keys)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadKeys() },
+        onRefresh = { viewModel.loadKeys(forceRefresh = true) },
         actions = {
             IconButton(onClick = { viewModel.openAddDialog() }) {
                 Icon(
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysViewModel.kt
index 9af30639..11d11030 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/keys/KeysViewModel.kt
@@ -2,6 +2,7 @@ package com.m57.hermescontrol.ui.keys
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.EnvVarConfig
 import com.m57.hermescontrol.data.model.EnvVarDeleteRequest
 import com.m57.hermescontrol.data.model.EnvVarRevealRequest
@@ -11,6 +12,7 @@ import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -55,6 +57,19 @@ class KeysViewModel :
     private val _uiState = MutableStateFlow(KeysUiState())
     val uiState: StateFlow<KeysUiState> = _uiState.asStateFlow()
 
+    private val keysCache = SwrCache<String, Map<String, EnvVarConfig>>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                categories = emptyList(),
+                revealedValues = emptyMap(),
+                errorMessage = null,
+            )
+        }
+    }
+
     private fun buildCategoryList(
         envVars: Map<String, EnvVarConfig>,
         expandedCategories: Set<String> =
@@ -89,8 +104,21 @@ class KeysViewModel :
         }
     }
 
-    fun loadKeys() {
-        safeLaunchLoad(
+    fun loadKeys(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = keysCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { envVars ->
+                val currentCategories = _uiState.value.categories
+                val expandedCategories = currentCategories.map { it.name to it.expanded }.toMap()
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        categories = buildCategoryList(envVars, expandedCategories.keys),
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getEnvVars() } },
             onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
             onSuccess = { data ->
@@ -178,7 +206,7 @@ class KeysViewModel :
                             toastMessage = "Key added successfully",
                         )
                     }
-                    loadKeys()
+                    loadKeys(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -223,7 +251,7 @@ class KeysViewModel :
                             toastMessage = "Key deleted successfully",
                         )
                     }
-                    loadKeys()
+                    loadKeys(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -281,7 +309,7 @@ class KeysViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(keysChanged = true, toastMessage = "Key updated successfully") }
-                    loadKeys()
+                    loadKeys(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsScreen.kt
index 7fab44de..43d80dfc 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsScreen.kt
@@ -48,6 +48,7 @@ import androidx.lifecycle.compose.LifecycleStartEffect
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.theme.LocalSpacing
 import com.m57.hermescontrol.ui.common.EmptyState
 import com.m57.hermescontrol.ui.common.ErrorState
@@ -70,6 +71,7 @@ fun LogsScreen(
     viewModel: LogsViewModel = viewModel { LogsViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     val spacing = LocalSpacing.current
     val listState = rememberLazyListState()
 
@@ -115,7 +117,8 @@ fun LogsScreen(
             }
         }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadLogs()
     }
 
@@ -146,7 +149,7 @@ fun LogsScreen(
         title = { Text(stringResource(R.string.screen_logs)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadLogs() },
+        onRefresh = { viewModel.loadLogs(forceRefresh = true) },
         actions = {
             // Pause / Resume toggle
             IconButton(onClick = { pauseScroll = !pauseScroll }) {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsViewModel.kt
index e50663d6..0ca598a4 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/logs/LogsViewModel.kt
@@ -2,10 +2,12 @@ package com.m57.hermescontrol.ui.logs
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
+import com.m57.hermescontrol.data.model.LogResponse
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
-import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -40,43 +42,51 @@ class LogsViewModel :
     private val _uiState = MutableStateFlow(LogsUiState())
     val uiState: StateFlow<LogsUiState> = _uiState.asStateFlow()
 
-    @Volatile
-    private var loadInProgress = false
-
+    private var loadJob: Job? = null
     private var autoRefreshJob: Job? = null
+    private val logsCache = SwrCache<String, LogResponse>()
 
-    fun loadLogs() {
-        if (loadInProgress) return
-        loadInProgress = true
+    fun clearScopeOwnedState() {
+        _uiState.update { it.copy(isLoading = false, logs = emptyList(), errorMessage = null) }
+    }
+
+    fun loadLogs(forceRefresh: Boolean = false) {
         val filters = _uiState.value.filters
-        safeLaunchLoad(
-            apiCall = {
-                safeApiCall {
-                    ApiClient.hermesApi.getLogs(
-                        file = filters.file,
-                        lines = filters.lines,
-                        level = filters.level,
-                        component = filters.component,
-                    )
-                }
-            },
-            onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
-            onSuccess = { data ->
-                val body = data
-                val logsList = body.lines ?: body.logs ?: emptyList()
-                _uiState.update { it.copy(isLoading = false, logs = logsList) }
-                loadInProgress = false
-            },
-            onError = { errorMsg ->
-                _uiState.update {
-                    it.copy(
-                        isLoading = false,
-                        errorMessage = "Failed to load logs: $errorMsg",
-                    )
-                }
-                loadInProgress = false
-            },
-        )
+        val cacheKey = "${filters.file}:${filters.level}:${filters.component}:${filters.lines}"
+        loadJob =
+            safeLaunchSwrLoad(
+                cache = logsCache,
+                cacheKey = cacheKey,
+                forceRefresh = forceRefresh,
+                currentJob = loadJob,
+                onCacheHit = { data ->
+                    val logsList = data.lines ?: data.logs ?: emptyList()
+                    _uiState.update { it.copy(isLoading = false, logs = logsList, errorMessage = null) }
+                },
+                apiCall = {
+                    safeApiCall {
+                        ApiClient.hermesApi.getLogs(
+                            file = filters.file,
+                            lines = filters.lines,
+                            level = filters.level,
+                            component = filters.component,
+                        )
+                    }
+                },
+                onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
+                onSuccess = { data ->
+                    val logsList = data.lines ?: data.logs ?: emptyList()
+                    _uiState.update { it.copy(isLoading = false, logs = logsList) }
+                },
+                onError = { errorMsg ->
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            errorMessage = "Failed to load logs: $errorMsg",
+                        )
+                    }
+                },
+            )
     }
 
     /** Update the server-side filters and immediately reload. */
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersScreen.kt
index df7e9748..cc79bb43 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersScreen.kt
@@ -71,6 +71,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.McpCatalogEntry
 import com.m57.hermescontrol.data.model.McpServer
 import com.m57.hermescontrol.theme.LocalSpacing
@@ -99,6 +100,7 @@ fun McpServersScreen(
     viewModel: McpServersViewModel = viewModel { McpServersViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     val spacing = LocalSpacing.current
     val context = LocalContext.current
     val clipboardManager = LocalClipboardManager.current
@@ -127,14 +129,17 @@ fun McpServersScreen(
             }
         }
 
-    LaunchedEffect(Unit) { viewModel.loadServers() }
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
+        viewModel.loadServers()
+    }
     ToastEffect(toastMessage = state.toastMessage, onClearToast = viewModel::clearToast)
 
     HermesScaffold(
         title = { Text(stringResource(R.string.screen_mcp_servers)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadServers() },
+        onRefresh = { viewModel.loadServers(forceRefresh = true) },
         actions = {
             IconButton(
                 onClick = { viewModel.testAllServers() },
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersViewModel.kt
index 3c64bacd..ec585b4d 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersViewModel.kt
@@ -2,6 +2,7 @@ package com.m57.hermescontrol.ui.mcp
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.AddMcpServerRequest
 import com.m57.hermescontrol.data.model.McpCatalogEntry
 import com.m57.hermescontrol.data.model.McpCatalogInstallRequest
@@ -9,11 +10,13 @@ import com.m57.hermescontrol.data.model.McpOAuthFlowResponse
 import com.m57.hermescontrol.data.model.McpServer
 import com.m57.hermescontrol.data.model.McpServerTestResponse
 import com.m57.hermescontrol.data.model.McpServerToggleRequest
+import com.m57.hermescontrol.data.model.McpServersResponse
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
@@ -69,10 +72,39 @@ class McpServersViewModel :
     private val _uiState = MutableStateFlow(McpServersUiState())
     val uiState: StateFlow<McpServersUiState> = _uiState.asStateFlow()
 
+    private val mcpCache = SwrCache<String, McpServersResponse>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                servers = emptyList(),
+                serverTestResults = emptyMap(),
+                testingServers = emptySet(),
+                isTestingAll = false,
+                errorMessage = null,
+                activeOAuthFlow = null,
+            )
+        }
+    }
+
     // ── Data loading ──────────────────────────────────────────
 
-    fun loadServers() {
-        safeLaunchLoad(
+    fun loadServers(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = mcpCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        servers = data.servers.orEmpty(),
+                        serverTestResults = emptyMap(),
+                        testingServers = emptySet(),
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getMcpServers() } },
             onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
             onSuccess = { data ->
@@ -247,7 +279,7 @@ class McpServersViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Server '$name' deleted") }
-                    loadServers()
+                    loadServers(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -305,7 +337,9 @@ class McpServersViewModel :
                     toastMessage = msg,
                 )
             }
-            loadServers()
+            if (successCount > 0) {
+                loadServers(forceRefresh = true)
+            }
         }
     }
 
@@ -371,7 +405,7 @@ class McpServersViewModel :
                             toastMessage = "Server '${request.name}' added",
                         )
                     }
-                    loadServers()
+                    loadServers(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -428,7 +462,7 @@ class McpServersViewModel :
                             toastMessage = "Env var '$key' added",
                         )
                     }
-                    loadServers()
+                    loadServers(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -453,7 +487,7 @@ class McpServersViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Env var '$key' removed") }
-                    loadServers()
+                    loadServers(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -520,7 +554,7 @@ class McpServersViewModel :
                             toastMessage = "Catalog entry '${entry.name}' installed",
                         )
                     }
-                    loadServers()
+                    loadServers(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -605,7 +639,7 @@ class McpServersViewModel :
                                             toastMessage = "OAuth authorization successful!",
                                         )
                                     }
-                                    loadServers()
+                                    loadServers(forceRefresh = true)
                                 }
 
                                 "error" -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryScreen.kt
index a8d9d5ce..a6d30316 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryScreen.kt
@@ -112,7 +112,7 @@ fun MemoryScreen(
         title = { Text(stringResource(R.string.screen_memory)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.load() },
+        onRefresh = { viewModel.load(forceRefresh = true) },
         modifier = modifier,
     ) { paddingValues ->
         when {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryViewModel.kt
index 1ec57e4f..9590a9a2 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryViewModel.kt
@@ -2,6 +2,9 @@ package com.m57.hermescontrol.ui.memory
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.LearningGraphResponse
 import com.m57.hermescontrol.data.model.MemoryResetRequest
 import com.m57.hermescontrol.data.model.MemoryResponse
@@ -10,6 +13,9 @@ import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.data.session.ProfileSwitchCoordinator
 import com.m57.hermescontrol.ui.common.ToastHost
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -39,50 +45,89 @@ class MemoryViewModel :
     val uiState: StateFlow<MemoryUiState> = _uiState.asStateFlow()
 
     init {
+        // Scope transitions are driven by ProfileSwitchCoordinator (profile switch and
+        // connection switch). An additional AuthManager.dataScopeFlow collector would
+        // double-fire on the same transition and issue a duplicate request, so the
+        // coordinator flows remain the single trigger.
         viewModelScope.launch {
             ProfileSwitchCoordinator.switched.collect {
-                load(silent = true)
+                onDataScopeChanged(AuthManager.currentDataScope())
             }
         }
         viewModelScope.launch {
             ProfileSwitchCoordinator.connectionSwitched.collect {
-                load(silent = true)
+                onDataScopeChanged(AuthManager.currentDataScope())
             }
         }
     }
 
-    fun load(silent: Boolean = false) {
+    private var loadJob: Job? = null
+    private val memoryCache = SwrCache<String, MemoryResponse>()
+
+    private fun onDataScopeChanged(newScope: DataScope?) {
+        loadJob?.cancel()
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                memory = null,
+                learningGraph = null,
+                resetting = null,
+                errorMessage = null,
+            )
+        }
+        // A scope switch must silently reload the new context's data. Clearing alone
+        // would leave the screen empty when it is not the composition performing the load.
+        load(silent = true)
+    }
+
+    fun load(
+        silent: Boolean = false,
+        forceRefresh: Boolean = false,
+    ) {
         if (_uiState.value.isLoading) return
-        if (!silent) {
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+        val scopedKey = requestScope?.inMemoryKey("default")
+        if (forceRefresh && scopedKey != null) memoryCache.remove(scopedKey)
+        val cached = if (!forceRefresh && scopedKey != null) memoryCache.get(scopedKey) else null
+        if (cached != null) {
+            _uiState.update { it.copy(isLoading = false, memory = cached, errorMessage = null) }
+        } else if (!silent) {
             _uiState.update { it.copy(isLoading = true, errorMessage = null) }
         }
-        viewModelScope.launch {
-            val result = safeApiCall { ApiClient.hermesApi.getMemory() }
-            when (result) {
-                is NetworkResult.Success -> {
-                    _uiState.update { it.copy(isLoading = false, memory = result.data) }
-                }
+        loadJob =
+            viewModelScope.launch {
+                coroutineScope {
+                    val memoryDeferred = async { safeApiCall { ApiClient.hermesApi.getMemory() } }
+                    val graphDeferred = async { safeApiCall { ApiClient.hermesApi.getLearningGraph() } }
 
-                is NetworkResult.Failure -> {
-                    _uiState.update {
-                        it.copy(
-                            isLoading = false,
-                            errorMessage = result.error.message,
-                        )
+                    val memoryResult = memoryDeferred.await()
+                    val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (currentScope != requestScope) return@coroutineScope
+
+                    when (memoryResult) {
+                        is NetworkResult.Success -> {
+                            if (scopedKey != null) memoryCache.put(scopedKey, memoryResult.data)
+                            _uiState.update { it.copy(isLoading = false, memory = memoryResult.data) }
+                        }
+
+                        is NetworkResult.Failure -> {
+                            if (cached == null || forceRefresh) {
+                                _uiState.update {
+                                    it.copy(
+                                        isLoading = false,
+                                        errorMessage = memoryResult.error.message,
+                                    )
+                                }
+                            }
+                        }
+                    }
+
+                    val graphResult = graphDeferred.await()
+                    if (graphResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(learningGraph = graphResult.data) }
                     }
                 }
             }
-            loadLearningGraph()
-        }
-    }
-
-    private fun loadLearningGraph() {
-        viewModelScope.launch {
-            val result = safeApiCall { ApiClient.hermesApi.getLearningGraph() }
-            if (result is NetworkResult.Success) {
-                _uiState.update { it.copy(learningGraph = result.data) }
-            }
-        }
     }
 
     fun resetMemory(target: String) {
@@ -109,7 +154,7 @@ class MemoryViewModel :
                     }
                 }
             }
-            load()
+            load(forceRefresh = true)
         }
     }
 
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/model/ModelScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/model/ModelScreen.kt
index b9790328..fa497374 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/model/ModelScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/model/ModelScreen.kt
@@ -4,6 +4,7 @@ import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.animateContentSize
 import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
@@ -32,6 +33,7 @@ import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
@@ -98,15 +100,15 @@ fun ModelScreen(
     HermesScaffold(
         title = { Text(stringResource(R.string.screen_models)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
-        isRefreshing = state.isLoading,
+        isRefreshing = state.isLoading || state.catalogLoading,
         onRefresh = { viewModel.loadAll(refresh = true) },
     ) { paddingValues ->
         when {
-            state.isLoading && state.providers.isEmpty() -> {
+            state.isLoading && state.mainModelProvider.isEmpty() && state.providers.isEmpty() -> {
                 SkeletonListState(modifier = Modifier.padding(paddingValues))
             }
 
-            state.errorMessage != null -> {
+            state.errorMessage != null && state.providers.isEmpty() && state.mainModelProvider.isEmpty() -> {
                 ErrorState(
                     message = state.errorMessage ?: "",
                     onRetry = { viewModel.loadAll() },
@@ -114,7 +116,10 @@ fun ModelScreen(
                 )
             }
 
-            state.providers.isEmpty() -> {
+            !state.isLoading &&
+                !state.catalogLoading &&
+                state.providers.isEmpty() &&
+                state.mainModelProvider.isEmpty() -> {
                 EmptyState(
                     title = stringResource(R.string.model_empty_title),
                     subtitle = stringResource(R.string.model_empty_desc),
@@ -191,24 +196,38 @@ fun ModelScreen(
                     }
 
                     // ── Provider List ──
-                    items(filteredProviders, key = { it.slug }) { provider ->
-                        val isExpanded = expandedProviderSlug == provider.slug
-                        val isCurrent = provider.is_current == true
+                    if (state.catalogLoading && state.providers.isEmpty()) {
+                        item {
+                            Box(
+                                modifier =
+                                    Modifier
+                                        .fillMaxWidth()
+                                        .padding(vertical = 32.dp),
+                                contentAlignment = Alignment.Center,
+                            ) {
+                                CircularProgressIndicator()
+                            }
+                        }
+                    } else {
+                        items(filteredProviders, key = { it.slug }) { provider ->
+                            val isExpanded = expandedProviderSlug == provider.slug
+                            val isCurrent = provider.is_current == true
 
-                        ProviderCard(
-                            provider = provider,
-                            isExpanded = isExpanded,
-                            isCurrent = isCurrent,
-                            query = query,
-                            activeProfile = state.activeProfile,
-                            pinnedModels = state.pinnedModels,
-                            onToggleExpand = {
-                                expandedProviderSlug = if (isExpanded) null else provider.slug
-                            },
-                            onModelClick = { slug, model -> viewModel.selectModel(slug, model) },
-                            onPin = { slug, model -> viewModel.pinModel(slug, model) },
-                            onUnpin = { slug, model -> viewModel.unpinModel(slug, model) },
-                        )
+                            ProviderCard(
+                                provider = provider,
+                                isExpanded = isExpanded,
+                                isCurrent = isCurrent,
+                                query = query,
+                                activeProfile = state.activeProfile,
+                                pinnedModels = state.pinnedModels,
+                                onToggleExpand = {
+                                    expandedProviderSlug = if (isExpanded) null else provider.slug
+                                },
+                                onModelClick = { slug, model -> viewModel.selectModel(slug, model) },
+                                onPin = { slug, model -> viewModel.pinModel(slug, model) },
+                                onUnpin = { slug, model -> viewModel.unpinModel(slug, model) },
+                            )
+                        }
                     }
                 }
             }
@@ -241,7 +260,7 @@ fun ModelScreen(
         ModelPickerDialog(
             providers = state.providers,
             title = stringResource(R.string.model_set_main),
-            isLoading = state.isLoading && state.providers.isEmpty(),
+            isLoading = (state.isLoading || state.catalogLoading) && state.providers.isEmpty(),
             pinnedModels = state.pinnedModels,
             onPinToggle = { provider, model -> viewModel.togglePinModel(provider, model) },
             onSelect = { provider, model ->
@@ -267,7 +286,7 @@ fun ModelScreen(
         ModelPickerDialog(
             providers = state.providers,
             title = stringResource(R.string.model_set_aux, state.auxPickerTask),
-            isLoading = state.isLoading && state.providers.isEmpty(),
+            isLoading = (state.isLoading || state.catalogLoading) && state.providers.isEmpty(),
             pinnedModels = state.pinnedModels,
             onPinToggle = { provider, model -> viewModel.togglePinModel(provider, model) },
             onSelect = { provider, model ->
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/model/ModelViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/model/ModelViewModel.kt
index b7c82a4f..fd8ae68b 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/model/ModelViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/model/ModelViewModel.kt
@@ -42,6 +42,7 @@ val AUX_TASKS =
 
 data class ModelUiState(
     val isLoading: Boolean = false,
+    val catalogLoading: Boolean = false,
     val providers: List<ModelProvider> = emptyList(),
     val activeProfile: ProfileInfo? = null,
     val errorMessage: String? = null,
@@ -79,7 +80,7 @@ class ModelViewModel(
     }
 
     fun loadAll(refresh: Boolean = false) {
-        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        _uiState.update { it.copy(isLoading = true, catalogLoading = true, errorMessage = null) }
         viewModelScope.launch {
             // Phase 1: Launch fast lightweight calls first (profiles, aux, moa)
             val activeProfileDeferred =
@@ -145,6 +146,7 @@ class ModelViewModel(
             // Render Phase 1 results right away so UI controls update without waiting for model options
             _uiState.update {
                 it.copy(
+                    isLoading = false,
                     activeProfile = activeProfile ?: it.activeProfile,
                     pinnedModels = AuthManager.getPinnedModels(),
                     mainModelProvider = mainModel.first,
@@ -160,7 +162,7 @@ class ModelViewModel(
                 is NetworkResult.Success -> {
                     _uiState.update {
                         it.copy(
-                            isLoading = false,
+                            catalogLoading = false,
                             providers = optionsResult.data.providers.orEmpty(),
                         )
                     }
@@ -169,9 +171,9 @@ class ModelViewModel(
                 is NetworkResult.Failure -> {
                     _uiState.update {
                         it.copy(
-                            isLoading = false,
+                            catalogLoading = false,
                             errorMessage =
-                                if (it.providers.isEmpty()) {
+                                if (it.providers.isEmpty() && it.mainModelProvider.isEmpty()) {
                                     "Failed to load model options: ${optionsResult.error.message}"
                                 } else {
                                     null
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingScreen.kt
index 520183b8..edd8e261 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingScreen.kt
@@ -33,6 +33,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.PairingItem
 import com.m57.hermescontrol.ui.common.EmptyState
 import com.m57.hermescontrol.ui.common.ErrorState
@@ -50,8 +51,10 @@ fun PairingScreen(
     viewModel: PairingViewModel = viewModel { PairingViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadPairing()
     }
 
@@ -61,7 +64,7 @@ fun PairingScreen(
         title = { Text(stringResource(R.string.screen_pairing)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadPairing() },
+        onRefresh = { viewModel.loadPairing(forceRefresh = true) },
         modifier = modifier,
     ) { paddingValues ->
         val pairing = state.pairing
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingViewModel.kt
index bee3da57..f4fb5d3c 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/pairing/PairingViewModel.kt
@@ -2,6 +2,8 @@ package com.m57.hermescontrol.ui.pairing
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.PairingApproveRequest
 import com.m57.hermescontrol.data.model.PairingResponse
 import com.m57.hermescontrol.data.model.PairingRevokeRequest
@@ -12,6 +14,7 @@ import com.m57.hermescontrol.data.ws.ChangeEvents
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.refreshOnChange
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -37,6 +40,11 @@ class PairingViewModel :
     val uiState: StateFlow<PairingUiState> = _uiState.asStateFlow()
 
     private var launchJob: Job? = null
+    private val pairingCache = SwrCache<String, PairingResponse>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update { it.copy(isLoading = false, pairing = null, errorMessage = null, actionKey = null) }
+    }
 
     init {
         // Issue #784: gateway broadcasts pairing.changed — refresh silently
@@ -44,14 +52,23 @@ class PairingViewModel :
         refreshOnChange(
             eventType = ChangeEvents.PAIRING,
             apiCall = { safeApiCall { ApiClient.hermesApi.getPairing() } },
-            onSuccess = { data -> _uiState.update { it.copy(pairing = data) } },
+            onSuccess = { data ->
+                val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (requestScope != null) pairingCache.put(requestScope.inMemoryKey("default"), data)
+                _uiState.update { it.copy(pairing = data) }
+            },
         )
     }
 
-    fun loadPairing() {
+    fun loadPairing(forceRefresh: Boolean = false) {
         launchJob =
-            safeLaunchLoad(
+            safeLaunchSwrLoad(
+                cache = pairingCache,
+                forceRefresh = forceRefresh,
                 currentJob = launchJob,
+                onCacheHit = { cached ->
+                    _uiState.update { it.copy(isLoading = false, pairing = cached, errorMessage = null) }
+                },
                 apiCall = { safeApiCall { ApiClient.hermesApi.getPairing() } },
                 onStart = {
                     _uiState.update { it.copy(isLoading = true, errorMessage = null) }
@@ -127,7 +144,7 @@ class PairingViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { onSuccess(it.copy(actionKey = null)) }
-                    loadPairing()
+                    loadPairing(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsScreen.kt
index 9b391987..9d2bca7b 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsScreen.kt
@@ -50,6 +50,7 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.MemoryProviderDetailKey
 import com.m57.hermescontrol.NavigationController
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.PluginCatalogEntry
 import com.m57.hermescontrol.data.model.PluginInfo
 import com.m57.hermescontrol.theme.LocalHermesStatusColors
@@ -75,11 +76,17 @@ fun PluginsScreen(
     viewModel: PluginsViewModel = viewModel { PluginsViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
 
     var query by remember { mutableStateOf("") }
     var showDetail by remember { mutableStateOf<PluginInfo?>(null) }
     var showCatalogDetail by remember { mutableStateOf<PluginCatalogEntry?>(null) }
 
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
+        viewModel.loadPlugins()
+    }
+
     val filteredPlugins =
         remember(query, state.plugins) {
             state.plugins.filter { plugin ->
@@ -111,10 +118,6 @@ fun PluginsScreen(
             }
         }
 
-    LaunchedEffect(Unit) {
-        viewModel.loadPlugins()
-    }
-
     ToastEffect(toastMessage = state.toastMessage, onClearToast = viewModel::clearToast)
 
     // Remove confirmation dialog
@@ -152,7 +155,7 @@ fun PluginsScreen(
         isRefreshing = if (state.selectedTab == PluginsTab.INSTALLED) state.isLoading else state.isCatalogLoading,
         onRefresh = {
             if (state.selectedTab == PluginsTab.INSTALLED) {
-                viewModel.loadPlugins()
+                viewModel.loadPlugins(forceRefresh = true)
             } else {
                 viewModel.loadCatalog(isRefresh = true)
             }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsViewModel.kt
index d61507bb..bcbc4e6b 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/plugins/PluginsViewModel.kt
@@ -2,10 +2,14 @@ package com.m57.hermescontrol.ui.plugins
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.AgentPluginInstallBody
 import com.m57.hermescontrol.data.model.PluginCatalogEntry
 import com.m57.hermescontrol.data.model.PluginInfo
 import com.m57.hermescontrol.data.model.PluginProvidersPutRequest
+import com.m57.hermescontrol.data.model.PluginsHubResponse
 import com.m57.hermescontrol.data.model.ProviderOption
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
@@ -13,6 +17,7 @@ import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchAction
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -73,8 +78,56 @@ class PluginsViewModel :
     private val _uiState = MutableStateFlow(PluginsUiState())
     val uiState: StateFlow<PluginsUiState> = _uiState.asStateFlow()
 
-    fun loadPlugins() {
-        safeLaunchLoad(
+    private val pluginsCache = SwrCache<String, PluginsHubResponse>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                plugins = emptyList(),
+                orphanPlugins = emptyList(),
+                errorMessage = null,
+                memoryProvider = "",
+                memoryOptions = emptyList(),
+                contextEngine = "compressor",
+                contextOptions = emptyList(),
+                providerBusy = false,
+                rowBusy = null,
+                removeConfirmPlugin = null,
+                rescanBusy = false,
+            )
+        }
+    }
+
+    fun loadPlugins(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = pluginsCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                val plugins = data.plugins.orEmpty()
+                val providers = data.providers
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        plugins = plugins,
+                        orphanPlugins =
+                            data.orphanDashboardPlugins.orEmpty().map { orphan ->
+                                PluginInfo(
+                                    name = orphan.name ?: "unknown",
+                                    description = orphan.description ?: orphan.label,
+                                    version = null,
+                                    source = null,
+                                    runtimeStatus = null,
+                                )
+                            },
+                        memoryProvider = providers?.memoryProvider ?: "",
+                        memoryOptions = providers?.memoryOptions.orEmpty(),
+                        contextEngine = providers?.contextEngine ?: "compressor",
+                        contextOptions = providers?.contextOptions.orEmpty(),
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getPlugins() } },
             onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
             onSuccess = { data ->
@@ -85,10 +138,10 @@ class PluginsViewModel :
                         isLoading = false,
                         plugins = plugins,
                         orphanPlugins =
-                            data.orphanDashboardPlugins.orEmpty().map {
+                            data.orphanDashboardPlugins.orEmpty().map { orphan ->
                                 PluginInfo(
-                                    name = it.name ?: "unknown",
-                                    description = it.description ?: it.label,
+                                    name = orphan.name ?: "unknown",
+                                    description = orphan.description ?: orphan.label,
                                     version = null,
                                     source = null,
                                     runtimeStatus = null,
@@ -153,7 +206,7 @@ class PluginsViewModel :
                             toastMessage = "Plugin installed successfully",
                         )
                     }
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -194,7 +247,7 @@ class PluginsViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(providerBusy = false, toastMessage = "Plugin providers saved") }
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -219,7 +272,7 @@ class PluginsViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(rescanBusy = false, toastMessage = "Plugins rescanned") }
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -237,6 +290,7 @@ class PluginsViewModel :
     fun togglePlugin(plugin: PluginInfo) {
         val originalEnabled = plugin.enabled
         val targetEnabled = !originalEnabled
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
 
         // Optimistically update
         _uiState.update { state ->
@@ -261,8 +315,19 @@ class PluginsViewModel :
                         safeApiCall { ApiClient.hermesApi.disablePlugin(plugin.name) }
                     }
                 }
-            if (result is NetworkResult.Failure) {
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
+            if (result is NetworkResult.Success) {
+                val updated = _uiState.value.plugins
+                if (requestScope != null) {
+                    pluginsCache.put(requestScope.scopedKey("default"), PluginsHubResponse(plugins = updated))
+                }
+            } else if (result is NetworkResult.Failure) {
                 revertPluginToggle(plugin.name, originalEnabled, "Failed to toggle plugin: ${result.error.message}")
+                val reverted = _uiState.value.plugins
+                if (requestScope != null) {
+                    pluginsCache.put(requestScope.scopedKey("default"), PluginsHubResponse(plugins = reverted))
+                }
             }
         }
     }
@@ -276,7 +341,7 @@ class PluginsViewModel :
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Plugin enabled successfully") }
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -309,7 +374,7 @@ class PluginsViewModel :
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Plugin uninstalled successfully") }
                     clearRowBusy(name)
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -331,7 +396,7 @@ class PluginsViewModel :
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Plugin updated successfully") }
                     clearRowBusy(name)
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -359,7 +424,7 @@ class PluginsViewModel :
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Plugin visibility updated") }
                     clearRowBusy(plugin.name)
-                    loadPlugins()
+                    loadPlugins(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -469,7 +534,7 @@ class PluginsViewModel :
                         toastMessage = "Plugin \"${entry.displayName}\" installed successfully",
                     )
                 }
-                loadPlugins()
+                loadPlugins(forceRefresh = true)
                 loadCatalog(isRefresh = true)
             },
             onError = { errorMsg ->
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesScreen.kt
index 468888b7..62fb5dd9 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesScreen.kt
@@ -64,6 +64,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.ui.common.EmptyState
 import com.m57.hermescontrol.ui.common.ErrorState
 import com.m57.hermescontrol.ui.common.HermesScaffold
@@ -83,6 +84,7 @@ fun ProfilesScreen(
     viewModel: ProfilesViewModel = viewModel { ProfilesViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
 
     var soulEditProfileName by remember { mutableStateOf<String?>(null) }
     var modelEditProfileName by remember { mutableStateOf<String?>(null) }
@@ -106,7 +108,8 @@ fun ProfilesScreen(
 
     var isBuildingProfile by remember { mutableStateOf(false) }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadProfiles()
     }
 
@@ -133,7 +136,7 @@ fun ProfilesScreen(
             if (isBuildingProfile) {
                 null
             } else {
-                { viewModel.loadProfiles() }
+                { viewModel.loadProfiles(forceRefresh = true) }
             },
         actions = {
             if (!isBuildingProfile) {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesViewModel.kt
index b48fc8ee..2dcf7823 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/profiles/ProfilesViewModel.kt
@@ -3,12 +3,15 @@ package com.m57.hermescontrol.ui.profiles
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.CreateProfileRequest
 import com.m57.hermescontrol.data.model.HubSkill
 import com.m57.hermescontrol.data.model.ModelProvider
 import com.m57.hermescontrol.data.model.PinnedModel
 import com.m57.hermescontrol.data.model.ProfileDescribeAutoRequest
 import com.m57.hermescontrol.data.model.ProfileInfo
+import com.m57.hermescontrol.data.model.ProfilesResponse
 import com.m57.hermescontrol.data.model.RenameProfileRequest
 import com.m57.hermescontrol.data.model.Skill
 import com.m57.hermescontrol.data.model.UpdateProfileDescriptionRequest
@@ -112,8 +115,53 @@ class ProfilesViewModel(
         }
     }
 
-    fun loadProfiles() {
-        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+    private val profilesCache = SwrCache<String, ProfilesResponse>()
+
+    /**
+     * Reset state owned by the previous server/profile context (PR #1192 cache scoping).
+     * Profiles, their soul content, setup commands, and builder data all belong to the
+     * server that served them and must not be shown for a new context.
+     */
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                profiles = emptyList(),
+                activeProfileName = null,
+                sharedGatewayProfiles = emptyList(),
+                selectedSoulContent = null,
+                isLoadingSoul = false,
+                errorMessage = null,
+                isAutoDescribing = false,
+                setupCommand = null,
+                isLoadingSetupCommand = false,
+                modelPickerPinned = emptyList(),
+                modelProviders = emptyList(),
+                isLoadingBuilderData = false,
+                availableSkills = emptyList(),
+                hubSearchResults = emptyList(),
+                isSearchingHub = false,
+            )
+        }
+    }
+
+    fun loadProfiles(forceRefresh: Boolean = false) {
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+        val scopedKey = requestScope?.inMemoryKey("default")
+        if (forceRefresh && scopedKey != null) profilesCache.remove(scopedKey)
+        val cached = if (!forceRefresh && scopedKey != null) profilesCache.get(scopedKey) else null
+        if (cached != null) {
+            _uiState.update {
+                it.copy(
+                    isLoading = false,
+                    profiles = cached.profiles.orEmpty(),
+                    hiddenProfiles = AuthManager.getHiddenProfiles().toSet(),
+                    errorMessage = null,
+                )
+            }
+        } else {
+            _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        }
         viewModelScope.launch {
             try {
                 coroutineScope {
@@ -125,7 +173,11 @@ class ProfilesViewModel(
                     val profilesResult = profilesDeferred.await()
                     val activeResult = activeDeferred.await()
 
+                    val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (currentScope != requestScope) return@coroutineScope
+
                     if (profilesResult is NetworkResult.Success && activeResult is NetworkResult.Success) {
+                        if (scopedKey != null) profilesCache.put(scopedKey, profilesResult.data)
                         _uiState.update {
                             it.copy(
                                 isLoading = false,
@@ -133,6 +185,7 @@ class ProfilesViewModel(
                                 activeProfileName = activeResult.data.active,
                                 sharedGatewayProfiles = emptyList(),
                                 hiddenProfiles = AuthManager.getHiddenProfiles().toSet(),
+                                errorMessage = null,
                             )
                         }
 
@@ -145,7 +198,7 @@ class ProfilesViewModel(
                                 )
                             }
                         }
-                    } else {
+                    } else if (cached == null || forceRefresh) {
                         val profilesError = (profilesResult as? NetworkResult.Failure)?.error?.message ?: "Success"
                         val activeError = (activeResult as? NetworkResult.Failure)?.error?.message ?: "Success"
                         _uiState.update {
@@ -159,8 +212,11 @@ class ProfilesViewModel(
                     }
                 }
             } catch (e: Exception) {
-                _uiState.update {
-                    it.copy(isLoading = false, errorMessage = "Failed to load profiles: ${e.message}")
+                val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (currentScope == requestScope && (cached == null || forceRefresh)) {
+                    _uiState.update {
+                        it.copy(isLoading = false, errorMessage = "Failed to load profiles: ${e.message}")
+                    }
                 }
             }
         }
@@ -178,7 +234,7 @@ class ProfilesViewModel(
             when (val result = ProfileSwitchCoordinator.switchProfile(name)) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Switched to profile $name") }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -244,7 +300,7 @@ class ProfilesViewModel(
                             toastMessage = "Soul updated successfully",
                         )
                     }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -276,7 +332,7 @@ class ProfilesViewModel(
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Model settings updated") }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -322,7 +378,7 @@ class ProfilesViewModel(
                             toastMessage = "Profile '$sourceProfileName' cloned successfully to '$newProfileName'",
                         )
                     }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -359,7 +415,7 @@ class ProfilesViewModel(
                             toastMessage = "Profile '$profileName' description updated",
                         )
                     }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -397,7 +453,7 @@ class ProfilesViewModel(
                             toastMessage = "Profile '$oldName' renamed to '$newName'",
                         )
                     }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -426,7 +482,7 @@ class ProfilesViewModel(
                             toastMessage = "Profile '$name' deleted",
                         )
                     }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -463,7 +519,7 @@ class ProfilesViewModel(
                                 toastMessage = "Auto-described profile '$name'",
                             )
                         }
-                        loadProfiles()
+                        loadProfiles(forceRefresh = true)
                     } else {
                         // Backend returns generation failures as ok:false + reason,
                         // NOT an HTTP error — surface the reason to the user.
@@ -656,7 +712,7 @@ class ProfilesViewModel(
                             toastMessage = "Profile ${request.name} created successfully",
                         )
                     }
-                    loadProfiles()
+                    loadProfiles(forceRefresh = true)
                     onSuccess()
                 }
 
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersScreen.kt
index 17b71a86..e1b77bea 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersScreen.kt
@@ -46,6 +46,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.OAuthProvider
 import com.m57.hermescontrol.data.model.OAuthStartResponse
 import com.m57.hermescontrol.theme.LocalHermesStatusColors
@@ -65,9 +66,13 @@ fun ProvidersScreen(
     viewModel: ProvidersViewModel = viewModel { ProvidersViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     val context = LocalContext.current
 
-    LaunchedEffect(Unit) { viewModel.load() }
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
+        viewModel.load()
+    }
 
     ToastEffect(toastMessage = state.toastMessage, onClearToast = viewModel::clearToast)
 
@@ -98,7 +103,7 @@ fun ProvidersScreen(
         title = { Text(stringResource(R.string.screen_providers)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.load() },
+        onRefresh = { viewModel.load(forceRefresh = true) },
     ) { paddingValues ->
         when {
             state.isLoading && state.providers.isEmpty() -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersViewModel.kt
index 98613200..4c183916 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/providers/ProvidersViewModel.kt
@@ -2,8 +2,10 @@ package com.m57.hermescontrol.ui.providers
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.OAuthPollResponse
 import com.m57.hermescontrol.data.model.OAuthProvider
+import com.m57.hermescontrol.data.model.OAuthProvidersResponse
 import com.m57.hermescontrol.data.model.OAuthStartResponse
 import com.m57.hermescontrol.data.model.OAuthSubmitRequest
 import com.m57.hermescontrol.data.remote.ApiClient
@@ -12,6 +14,7 @@ import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -66,9 +69,35 @@ class ProvidersViewModel :
     val uiState: StateFlow<ProvidersUiState> = _uiState.asStateFlow()
 
     private var pollJob: Job? = null
+    private val providersCache = SwrCache<String, OAuthProvidersResponse>()
 
-    fun load() {
-        safeLaunchLoad(
+    fun clearScopeOwnedState() {
+        pollJob?.cancel()
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                providers = emptyList(),
+                errorMessage = null,
+                flowPhase = OAuthFlowPhase.IDLE,
+                flowProvider = null,
+                flowErrorMessage = null,
+            )
+        }
+    }
+
+    fun load(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = providersCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        providers = data.providers.orEmpty(),
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getOAuthProviders() } },
             onStart = {
                 _uiState.update { it.copy(isLoading = true, errorMessage = null) }
@@ -105,7 +134,7 @@ class ProvidersViewModel :
                         toastMessage = "Disconnected",
                     )
                 }
-                load()
+                load(forceRefresh = true)
             },
             onError = { error ->
                 _uiState.update {
@@ -301,7 +330,7 @@ class ProvidersViewModel :
 
     private fun finishFlow(status: String) {
         pollJob?.cancel()
-        load()
+        load(forceRefresh = true)
         // Stay on DONE so the dialog can show a success confirmation; the Screen's
         // Done button calls dismissFlow() to reset to IDLE. (Setting IDLE here would
         // conflate with DONE via StateFlow and unmount the dialog before the user sees it.)
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsScreen.kt
index 580f129e..3f00fcb2 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsScreen.kt
@@ -468,7 +468,7 @@ fun SessionsScreen(
         title = { Text(stringResource(R.string.screen_history)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadSessions() },
+        onRefresh = { viewModel.loadSessions(forceRefresh = true) },
         actions = {
             IconButton(
                 onClick = { NavigationController.openNewChat() },
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsViewModel.kt
index dc1a849c..30c20414 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsViewModel.kt
@@ -3,16 +3,21 @@ package com.m57.hermescontrol.ui.sessions
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SessionListCacheStore
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.BulkDeleteRequest
 import com.m57.hermescontrol.data.model.ProjectInfo
 import com.m57.hermescontrol.data.model.PruneRequest
 import com.m57.hermescontrol.data.model.SessionInfo
+import com.m57.hermescontrol.data.model.SessionListResponse
 import com.m57.hermescontrol.data.model.SessionLiveStatus
 import com.m57.hermescontrol.data.model.SessionRenameRequest
 import com.m57.hermescontrol.data.model.SessionSearchResult
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
+import com.m57.hermescontrol.data.session.ProfileSwitchCoordinator
 import com.m57.hermescontrol.data.ws.ChangeEventHub
 import com.m57.hermescontrol.data.ws.ChangeEvents
 import com.m57.hermescontrol.data.ws.ConnectionStatus
@@ -140,15 +145,31 @@ class SessionsViewModel(
     private var liveStatusRefreshPending = false
     private var generation: Long = 0
     private var rawPaginationOffset: Int = 0
+    private val sessionsPageCache = SwrCache<String, SessionListResponse>()
 
     init {
+        // Scope transitions are driven by ProfileSwitchCoordinator (profile switch and
+        // connection switch). An additional AuthManager.dataScopeFlow collector would
+        // double-fire on the same transition and reset/refetch History twice.
+        viewModelScope.launch {
+            ProfileSwitchCoordinator.switched.collect {
+                onDataScopeChanged(AuthManager.currentDataScope())
+            }
+        }
+        viewModelScope.launch {
+            ProfileSwitchCoordinator.connectionSwitched.collect {
+                onDataScopeChanged(AuthManager.currentDataScope())
+            }
+        }
+
         // Issue #784: gateway broadcasts sessions.changed — refresh the list
         // silently (no spinner, no selection reset) instead of blind polling.
         refreshOnChange(
             eventType = ChangeEvents.SESSIONS,
             apiCall = {
                 val requestGeneration = generation
-                val section = _uiState.value.section
+                val capturedSection = _uiState.value.section
+                val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
                 when (
                     val result =
                         safeApiCall {
@@ -156,17 +177,31 @@ class SessionsViewModel(
                                 limit = PAGE_SIZE,
                                 offset = 0,
                                 order = "recent",
-                                source = section.source,
-                                excludeSources = section.excludeSources,
+                                source = capturedSection.source,
+                                excludeSources = capturedSection.excludeSources,
                             )
                         }
                 ) {
-                    is NetworkResult.Success -> NetworkResult.Success(requestGeneration to result.data)
-                    is NetworkResult.Failure -> result
+                    is NetworkResult.Success -> {
+                        NetworkResult.Success(
+                            Triple(requestGeneration, Pair(requestScope, capturedSection), result.data),
+                        )
+                    }
+
+                    is NetworkResult.Failure -> {
+                        result
+                    }
                 }
             },
-            onSuccess = { (requestGeneration, data) ->
-                if (requestGeneration == generation) {
+            onSuccess = { (requestGeneration, scopeAndSection, data) ->
+                val (requestScope, capturedSection) = scopeAndSection
+                val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (requestGeneration == generation && currentScope == requestScope) {
+                    val localKey = "${capturedSection.name}:${capturedSection.source}:${capturedSection.excludeSources}"
+                    val inMemoryKey = requestScope?.inMemoryKey(localKey)
+                    val persistentKey = requestScope?.persistentKey(localKey)
+                    if (inMemoryKey != null) sessionsPageCache.put(inMemoryKey, data)
+                    if (persistentKey != null) SessionListCacheStore.put(persistentKey, data)
                     rawPaginationOffset = data.nextOffset(0)
                     _uiState.update {
                         val newSessions = data.sessions.orEmpty()
@@ -189,6 +224,41 @@ class SessionsViewModel(
         )
     }
 
+    private fun onDataScopeChanged(newScope: DataScope? = AuthManager.currentDataScope()) {
+        generation++
+        searchGeneration++
+        trackingGeneration++
+        loadJob?.cancel()
+        pageJob?.cancel()
+        statsJob?.cancel()
+        searchJob?.cancel()
+        searchPageJob?.cancel()
+        projectsJob?.cancel()
+        rawPaginationOffset = 0
+        resolvedParentCache.clear()
+        _uiState.update {
+            it.copy(
+                sessions = emptyList(),
+                total = 0,
+                hasMore = false,
+                selectedIds = emptySet(),
+                isSelecting = false,
+                errorMessage = null,
+                searchResults = emptyList(),
+                searchError = null,
+                searchLoadMoreError = null,
+                searchHasMore = false,
+                searchNextOffset = null,
+                isSearching = false,
+                isLoadingMoreSearch = false,
+                stats = SessionStats(),
+                emptyCount = 0,
+                projects = emptyList(),
+            )
+        }
+        loadSessions()
+    }
+
     /**
      * Page size sent to the server. Matches the desktop sidebar's
      * SIDEBAR_SESSIONS_PAGE_SIZE (50); the backend caps `limit` at 100.
@@ -283,9 +353,43 @@ class SessionsViewModel(
     }
 
     /** Load (or reload) sessions from page 0. Used by pull-to-refresh and initial load. */
-    fun loadSessions() {
+    fun loadSessions(forceRefresh: Boolean = false) {
         val requestGeneration = generation
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         val section = _uiState.value.section
+        val localKey = "${section.name}:${section.source}:${section.excludeSources}"
+        val inMemoryKey = requestScope?.inMemoryKey(localKey)
+        val persistentKey = requestScope?.persistentKey(localKey)
+        if (forceRefresh) {
+            if (inMemoryKey != null) sessionsPageCache.remove(inMemoryKey)
+            if (persistentKey != null) SessionListCacheStore.remove(persistentKey)
+        }
+        val cached =
+            if (!forceRefresh && inMemoryKey != null && persistentKey != null) {
+                sessionsPageCache.get(inMemoryKey)
+                    ?: SessionListCacheStore.get(persistentKey)?.also { sessionsPageCache.put(inMemoryKey, it) }
+            } else {
+                null
+            }
+        if (cached != null) {
+            val sessionsList = cached.sessions.orEmpty()
+            val paging =
+                SessionsPaging.resolveInitialPaging(
+                    receivedCount = minOf(cached.sessions.size, PAGE_SIZE),
+                    pageSize = PAGE_SIZE,
+                    backendTotal = cached.total,
+                    accumulatedCount = sessionsList.size,
+                )
+            _uiState.update {
+                it.copy(
+                    isLoading = false,
+                    sessions = sessionsList,
+                    total = paging.total,
+                    hasMore = paging.hasMore,
+                    errorMessage = null,
+                )
+            }
+        }
         pageJob?.cancel()
         loadEmptyCount()
         if (trackingJob?.isActive == true) {
@@ -306,9 +410,16 @@ class SessionsViewModel(
                         )
                     }
                 },
-                onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
+                onStart = {
+                    if (cached == null) {
+                        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+                    }
+                },
                 onSuccess = { data ->
-                    if (requestGeneration != generation) return@safeLaunchLoad
+                    val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (requestGeneration != generation || currentScope != requestScope) return@safeLaunchLoad
+                    if (inMemoryKey != null) sessionsPageCache.put(inMemoryKey, data)
+                    if (persistentKey != null) SessionListCacheStore.put(persistentKey, data)
                     rawPaginationOffset = data.nextOffset(0)
                     val sessionsList = data.sessions.orEmpty()
                     val paging =
@@ -331,13 +442,15 @@ class SessionsViewModel(
                     stitchMissingParents(requestGeneration)
                 },
                 onError = { errorMsg ->
-                    if (requestGeneration != generation) return@safeLaunchLoad
-                    _uiState.update {
-                        it.copy(
-                            isLoading = false,
-                            isLoadingMore = false,
-                            errorMessage = "Failed to load sessions: $errorMsg",
-                        )
+                    val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                    if (requestGeneration != generation || currentScope != requestScope) return@safeLaunchLoad
+                    if (cached == null || forceRefresh) {
+                        _uiState.update {
+                            it.copy(
+                                isLoading = false,
+                                errorMessage = "Failed to load sessions: $errorMsg",
+                            )
+                        }
                     }
                 },
             )
@@ -361,6 +474,7 @@ class SessionsViewModel(
         val state = _uiState.value
         if (state.isLoading || state.isLoadingMore || !state.hasMore || state.isSearchMode) return
         val requestGeneration = generation
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         val offset = rawPaginationOffset
 
         _uiState.update { it.copy(isLoadingMore = true) }
@@ -376,7 +490,8 @@ class SessionsViewModel(
                             excludeSources = state.section.excludeSources,
                         )
                     }
-                if (requestGeneration != generation) return@launch
+                val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+                if (requestGeneration != generation || currentScope != requestScope) return@launch
                 when (result) {
                     is NetworkResult.Success -> {
                         val data = result.data
@@ -450,10 +565,11 @@ class SessionsViewModel(
             if (_uiState.value.sessions.isEmpty()) loadSessions()
             return
         }
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         searchJob =
             viewModelScope.launch {
                 delay(SEARCH_DEBOUNCE_MS)
-                requestSearchPage(query, section, requestGeneration, 0)
+                requestSearchPage(query, section, requestGeneration, requestScope, 0)
             }
     }
 
@@ -462,10 +578,11 @@ class SessionsViewModel(
         val offset = state.searchNextOffset ?: return
         if (!state.isSearchMode || state.isSearching || state.isLoadingMoreSearch || !state.searchHasMore) return
         val requestGeneration = searchGeneration
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         _uiState.update { it.copy(isLoadingMoreSearch = true, searchLoadMoreError = null) }
         searchPageJob =
             viewModelScope.launch {
-                requestSearchPage(state.searchQuery, state.section, requestGeneration, offset)
+                requestSearchPage(state.searchQuery, state.section, requestGeneration, requestScope, offset)
             }
     }
 
@@ -473,6 +590,7 @@ class SessionsViewModel(
         query: String,
         section: HistorySection,
         requestGeneration: Long,
+        requestScope: DataScope?,
         offset: Int,
     ) {
         val result =
@@ -486,7 +604,12 @@ class SessionsViewModel(
                     offset = offset,
                 )
             }
-        if (requestGeneration != searchGeneration || _uiState.value.section != section) return
+        val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+        if (requestGeneration != searchGeneration || _uiState.value.section != section ||
+            currentScope != requestScope
+        ) {
+            return
+        }
         when (result) {
             is NetworkResult.Success -> {
                 _uiState.update { state ->
@@ -906,11 +1029,15 @@ class SessionsViewModel(
 
     /** Refresh the empty-session count (REST; auxiliary — failures are silent). */
     fun loadEmptyCount() {
+        val requestGeneration = generation
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
         viewModelScope.launch {
             val result =
                 runCatching {
                     safeApiCall { ApiClient.hermesApi.getEmptySessionCount() }
                 }.getOrNull()
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestGeneration != generation || currentScope != requestScope) return@launch
             val count = (result as? NetworkResult.Success)?.data?.count
             if (count != null) {
                 _uiState.update { it.copy(emptyCount = count) }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/settings/SettingsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/settings/SettingsViewModel.kt
index 9f543892..e1732dba 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/settings/SettingsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/settings/SettingsViewModel.kt
@@ -5,6 +5,7 @@ import androidx.lifecycle.viewModelScope
 import com.m57.hermescontrol.data.config.ConnectionProfile
 import com.m57.hermescontrol.data.config.resolveBaseUrl
 import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.SessionListCacheStore
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.CleartextPolicy
 import com.m57.hermescontrol.data.remote.NetworkResult
@@ -365,6 +366,7 @@ class SettingsViewModel(
         AuthManager.setSessionCookie(null)
         AuthManager.setWsAuthParam("token")
         AuthManager.clearLastOpenedSessionId()
+        SessionListCacheStore.clear()
         HermesWsClient.disconnect(clearPendingMessages = true)
         // Don't rebuild ApiClient here — let the navigation complete first
     }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsScreen.kt
index 9e58ccb2..a339df71 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsScreen.kt
@@ -25,6 +25,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.ui.common.HermesScaffold
 import com.m57.hermescontrol.ui.common.NavIcon
 import com.m57.hermescontrol.ui.common.ToastEffect
@@ -43,11 +44,13 @@ fun SkillsScreen(
     viewModel: SkillsViewModel = viewModel(),
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
     var query by remember { mutableStateOf("") }
     var selectedStatus by remember { mutableStateOf(SkillFilter.ALL_STATUSES) }
     var selectedCategory by remember { mutableStateOf(CATEGORY_ALL) }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadSkills()
     }
 
@@ -58,7 +61,7 @@ fun SkillsScreen(
         isRefreshing = state.isLoading,
         onRefresh = {
             if (state.viewMode == SkillsViewMode.INSTALLED) {
-                viewModel.loadSkills()
+                viewModel.loadSkills(forceRefresh = true)
             } else {
                 viewModel.loadHubSources()
             }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsViewModel.kt
index a7dc2215..b0a7dda7 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/skills/SkillsViewModel.kt
@@ -4,6 +4,9 @@ import android.app.Application
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.HubSkill
 import com.m57.hermescontrol.data.model.SaveSkillContentRequest
 import com.m57.hermescontrol.data.model.Skill
@@ -17,6 +20,7 @@ import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -93,11 +97,35 @@ class SkillsViewModel(
 
     private var loadJob: Job? = null
     private var searchJob: Job? = null
+    private val skillsCache = SwrCache<String, List<Skill>>()
 
-    fun loadSkills() {
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                skills = emptyList(),
+                errorMessage = null,
+                editingSkillName = null,
+                skillContent = null,
+                isLoadingContent = false,
+                isSavingContent = false,
+                saveContentSuccess = false,
+                previewSkillName = null,
+                previewSkillContent = null,
+                isLoadingPreview = false,
+            )
+        }
+    }
+
+    fun loadSkills(forceRefresh: Boolean = false) {
         loadJob =
-            safeLaunchLoad(
+            safeLaunchSwrLoad(
+                cache = skillsCache,
+                forceRefresh = forceRefresh,
                 currentJob = loadJob,
+                onCacheHit = { cached ->
+                    _uiState.update { it.copy(isLoading = false, skills = cached, errorMessage = null) }
+                },
                 apiCall = { safeApiCall { ApiClient.hermesApi.getSkills() } },
                 onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
                 onSuccess = { data ->
@@ -328,7 +356,7 @@ class SkillsViewModel(
                         )
                     }
                     // Refresh installed skills
-                    loadSkills()
+                    loadSkills(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -365,7 +393,7 @@ class SkillsViewModel(
                             toastMessage = "Uninstalled: $name",
                         )
                     }
-                    loadSkills()
+                    loadSkills(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -396,7 +424,9 @@ class SkillsViewModel(
     fun toggleSkill(skill: Skill) {
         val originalEnabled = skill.enabled
         val targetEnabled = !originalEnabled
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
 
+        // Optimistically update
         _uiState.update { state ->
             state.copy(
                 skills =
@@ -411,12 +441,23 @@ class SkillsViewModel(
                 withContext(Dispatchers.IO) {
                     safeApiCall { ApiClient.hermesApi.toggleSkill(ToggleSkillRequest(skill.name, targetEnabled)) }
                 }
-            if (result is NetworkResult.Failure) {
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
+            if (result is NetworkResult.Success) {
+                val updated = _uiState.value.skills
+                if (requestScope != null) {
+                    skillsCache.put(requestScope.scopedKey("default"), updated)
+                }
+            } else if (result is NetworkResult.Failure) {
                 revertSkillToggle(
                     skill.name,
                     originalEnabled,
                     "Failed to toggle skill: ${result.error.message}",
                 )
+                val reverted = _uiState.value.skills
+                if (requestScope != null) {
+                    skillsCache.put(requestScope.scopedKey("default"), reverted)
+                }
             }
         }
     }
@@ -525,7 +566,7 @@ class SkillsViewModel(
             when (result) {
                 is NetworkResult.Success -> {
                     _uiState.update { it.copy(toastMessage = "Skills updated") }
-                    loadSkills()
+                    loadSkills(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/system/SystemViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/system/SystemViewModel.kt
index 205f4f84..88b8b69e 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/system/SystemViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/system/SystemViewModel.kt
@@ -154,48 +154,86 @@ class SystemViewModel(
                 val statsResult = statsDeferred.await()
                 val statusResult = statusDeferred.await()
 
-                val portalResult = portalDeferred.await()
-                val curatorResult = curatorDeferred.await()
-
-                val credResult = credDeferred.await()
-                val checkpointsResult = checkpointsDeferred.await()
-                val hooksResult = hooksDeferred.await()
-                val updateResult = updateDeferred.await()
-                val doctorResult = doctorDeferred.await()
-
+                // Phase 1: Un-gate UI immediately with fast host stats & gateway status (~100-200ms)
                 _uiState.update { state ->
                     state.copy(
                         isLoading = false,
-                        stats = (statsResult as? NetworkResult.Success)?.data,
-                        status = (statusResult as? NetworkResult.Success)?.data,
-                        portal = (portalResult as? NetworkResult.Success)?.data,
-                        curator = (curatorResult as? NetworkResult.Success)?.data,
-                        credentials =
-                            ((credResult as? NetworkResult.Success)?.data)?.providers ?: emptyList(),
-                        checkpoints = (checkpointsResult as? NetworkResult.Success)?.data,
-                        hooks = (hooksResult as? NetworkResult.Success)?.data,
-                        updateInfo = (updateResult as? NetworkResult.Success)?.data,
-                        doctorReport = (doctorResult as? NetworkResult.Success)?.data,
+                        stats = (statsResult as? NetworkResult.Success)?.data ?: state.stats,
+                        status = (statusResult as? NetworkResult.Success)?.data ?: state.status,
                         errorMessage = null,
                     )
                 }
 
-                // Log failures in debug builds
                 if (BuildConfig.DEBUG) {
-                    listOf(
-                        "stats" to statsResult,
-                        "status" to statusResult,
-                        "portal" to portalResult,
-                        "curator" to curatorResult,
-                        "credentials" to credResult,
-                        "checkpoints" to checkpointsResult,
-                        "hooks" to hooksResult,
-                        "update" to updateResult,
-                        "doctor" to doctorResult,
-                    ).forEach { (name, result) ->
-                        if (result is NetworkResult.Failure) {
-                            Log.w(TAG, "$name endpoint: ${result.error.message}")
-                        }
+                    if (statsResult is NetworkResult.Failure) {
+                        Log.w(TAG, "stats endpoint: ${statsResult.error.message}")
+                    }
+                    if (statusResult is NetworkResult.Failure) {
+                        Log.w(TAG, "status endpoint: ${statusResult.error.message}")
+                    }
+                }
+
+                // Phase 2: Progressively hydrate remaining sections as each endpoint resolves
+                launch {
+                    val portalResult = portalDeferred.await()
+                    if (portalResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(portal = portalResult.data) }
+                    } else if (BuildConfig.DEBUG && portalResult is NetworkResult.Failure) {
+                        Log.w(TAG, "portal endpoint: ${portalResult.error.message}")
+                    }
+                }
+
+                launch {
+                    val curatorResult = curatorDeferred.await()
+                    if (curatorResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(curator = curatorResult.data) }
+                    } else if (BuildConfig.DEBUG && curatorResult is NetworkResult.Failure) {
+                        Log.w(TAG, "curator endpoint: ${curatorResult.error.message}")
+                    }
+                }
+
+                launch {
+                    val credResult = credDeferred.await()
+                    if (credResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(credentials = credResult.data.providers.orEmpty()) }
+                    } else if (BuildConfig.DEBUG && credResult is NetworkResult.Failure) {
+                        Log.w(TAG, "credentials endpoint: ${credResult.error.message}")
+                    }
+                }
+
+                launch {
+                    val checkpointsResult = checkpointsDeferred.await()
+                    if (checkpointsResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(checkpoints = checkpointsResult.data) }
+                    } else if (BuildConfig.DEBUG && checkpointsResult is NetworkResult.Failure) {
+                        Log.w(TAG, "checkpoints endpoint: ${checkpointsResult.error.message}")
+                    }
+                }
+
+                launch {
+                    val hooksResult = hooksDeferred.await()
+                    if (hooksResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(hooks = hooksResult.data) }
+                    } else if (BuildConfig.DEBUG && hooksResult is NetworkResult.Failure) {
+                        Log.w(TAG, "hooks endpoint: ${hooksResult.error.message}")
+                    }
+                }
+
+                launch {
+                    val updateResult = updateDeferred.await()
+                    if (updateResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(updateInfo = updateResult.data) }
+                    } else if (BuildConfig.DEBUG && updateResult is NetworkResult.Failure) {
+                        Log.w(TAG, "update endpoint: ${updateResult.error.message}")
+                    }
+                }
+
+                launch {
+                    val doctorResult = doctorDeferred.await()
+                    if (doctorResult is NetworkResult.Success) {
+                        _uiState.update { it.copy(doctorReport = doctorResult.data) }
+                    } else if (BuildConfig.DEBUG && doctorResult is NetworkResult.Failure) {
+                        Log.w(TAG, "doctor endpoint: ${doctorResult.error.message}")
                     }
                 }
             }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsScreen.kt
index 3f938d9e..9378ed04 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsScreen.kt
@@ -42,6 +42,7 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.NavigationController
 import com.m57.hermescontrol.R
 import com.m57.hermescontrol.ToolsetDetailKey
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.ui.common.EmptyState
 import com.m57.hermescontrol.ui.common.ErrorState
 import com.m57.hermescontrol.ui.common.HermesScaffold
@@ -60,9 +61,15 @@ fun ToolsetsScreen(
     viewModel: ToolsetsViewModel = viewModel { ToolsetsViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
 
     var query by remember { mutableStateOf("") }
 
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
+        viewModel.loadToolsets()
+    }
+
     val filteredToolsets =
         remember(query, state.toolsets) {
             state.toolsets.filter { toolset ->
@@ -72,17 +79,13 @@ fun ToolsetsScreen(
             }
         }
 
-    LaunchedEffect(Unit) {
-        viewModel.loadToolsets()
-    }
-
     ToastEffect(toastMessage = state.toastMessage, onClearToast = viewModel::clearToast)
 
     HermesScaffold(
         title = { Text(stringResource(R.string.screen_toolsets)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadToolsets() },
+        onRefresh = { viewModel.loadToolsets(forceRefresh = true) },
     ) { paddingValues ->
         when {
             state.isLoading && state.toolsets.isEmpty() -> {
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsViewModel.kt
index 03fed24f..be72c4c4 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsViewModel.kt
@@ -2,6 +2,9 @@ package com.m57.hermescontrol.ui.toolsets
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.Toolset
 import com.m57.hermescontrol.data.model.ToolsetToggleRequest
 import com.m57.hermescontrol.data.remote.ApiClient
@@ -9,6 +12,7 @@ import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -30,8 +34,19 @@ class ToolsetsViewModel :
     private val _uiState = MutableStateFlow(ToolsetsUiState())
     val uiState: StateFlow<ToolsetsUiState> = _uiState.asStateFlow()
 
-    fun loadToolsets() {
-        safeLaunchLoad(
+    private val toolsetsCache = SwrCache<String, List<Toolset>>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update { it.copy(isLoading = false, toolsets = emptyList(), errorMessage = null) }
+    }
+
+    fun loadToolsets(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = toolsetsCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { cached ->
+                _uiState.update { it.copy(isLoading = false, toolsets = cached, errorMessage = null) }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getToolsets() } },
             onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
             onSuccess = { data ->
@@ -51,6 +66,7 @@ class ToolsetsViewModel :
     fun toggleToolset(toolset: Toolset) {
         val originalEnabled = toolset.enabled
         val targetEnabled = !originalEnabled
+        val requestScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
 
         // Optimistic UI update
         _uiState.update { state ->
@@ -67,8 +83,19 @@ class ToolsetsViewModel :
                 withContext(Dispatchers.IO) {
                     safeApiCall { ApiClient.hermesApi.toggleToolset(toolset.name, ToolsetToggleRequest(targetEnabled)) }
                 }
-            if (result is NetworkResult.Failure) {
+            val currentScope = runCatching { AuthManager.currentDataScope() }.getOrNull()
+            if (requestScope != null && currentScope != requestScope) return@launch
+            if (result is NetworkResult.Success) {
+                val updated = _uiState.value.toolsets
+                if (requestScope != null) {
+                    toolsetsCache.put(requestScope.scopedKey("default"), updated)
+                }
+            } else if (result is NetworkResult.Failure) {
                 revertToggle(toolset.name, originalEnabled, "Failed to toggle toolset: ${result.error.message}")
+                val reverted = _uiState.value.toolsets
+                if (requestScope != null) {
+                    toolsetsCache.put(requestScope.scopedKey("default"), reverted)
+                }
             }
         }
     }
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksScreen.kt b/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksScreen.kt
index 6fb6ddc3..0684e48f 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksScreen.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksScreen.kt
@@ -48,6 +48,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.model.WebhookSubscription
 import com.m57.hermescontrol.ui.common.DetailDialog
 import com.m57.hermescontrol.ui.common.EmptyState
@@ -71,6 +72,7 @@ fun WebhooksScreen(
     viewModel: WebhooksViewModel = viewModel { WebhooksViewModel() },
 ) {
     val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val dataScope by AuthManager.dataScopeFlow.collectAsStateWithLifecycle()
 
     var query by remember { mutableStateOf("") }
     var showDetail by remember { mutableStateOf<WebhookSubscription?>(null) }
@@ -84,7 +86,8 @@ fun WebhooksScreen(
             }
         }
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(dataScope) {
+        viewModel.clearScopeOwnedState()
         viewModel.loadWebhooks()
     }
 
@@ -232,7 +235,7 @@ fun WebhooksScreen(
         title = { Text(stringResource(R.string.screen_webhooks)) },
         navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
-        onRefresh = { viewModel.loadWebhooks() },
+        onRefresh = { viewModel.loadWebhooks(forceRefresh = true) },
         actions = {
             IconButton(onClick = { viewModel.showCreateDialog() }) {
                 Icon(
diff --git a/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksViewModel.kt b/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksViewModel.kt
index bf39c48b..3ef4a280 100644
--- a/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksViewModel.kt
+++ b/app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksViewModel.kt
@@ -2,15 +2,18 @@ package com.m57.hermescontrol.ui.webhooks
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.model.CreateWebhookRequest
 import com.m57.hermescontrol.data.model.WebhookSubscription
 import com.m57.hermescontrol.data.model.WebhookToggleSubscriptionRequest
+import com.m57.hermescontrol.data.model.WebhooksResponse
 import com.m57.hermescontrol.data.model.WebhooksToggleRequest
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
 import com.m57.hermescontrol.data.remote.safeApiCall
 import com.m57.hermescontrol.ui.common.ToastHost
 import com.m57.hermescontrol.ui.common.safeLaunchLoad
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -48,8 +51,37 @@ class WebhooksViewModel :
     private val _uiState = MutableStateFlow(WebhooksUiState())
     val uiState: StateFlow<WebhooksUiState> = _uiState.asStateFlow()
 
-    fun loadWebhooks() {
-        safeLaunchLoad(
+    private val webhooksCache = SwrCache<String, WebhooksResponse>()
+
+    fun clearScopeOwnedState() {
+        _uiState.update {
+            it.copy(
+                isLoading = false,
+                enabled = false,
+                baseUrl = null,
+                subscriptions = emptyList(),
+                errorMessage = null,
+                deleteTarget = null,
+                togglingName = null,
+            )
+        }
+    }
+
+    fun loadWebhooks(forceRefresh: Boolean = false) {
+        safeLaunchSwrLoad(
+            cache = webhooksCache,
+            forceRefresh = forceRefresh,
+            onCacheHit = { data ->
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        enabled = data.enabled,
+                        baseUrl = data.base_url,
+                        subscriptions = data.subscriptions.orEmpty(),
+                        errorMessage = null,
+                    )
+                }
+            },
             apiCall = { safeApiCall { ApiClient.hermesApi.getWebhooks() } },
             onStart = { _uiState.update { it.copy(isLoading = true, errorMessage = null) } },
             onSuccess = { data ->
@@ -90,7 +122,7 @@ class WebhooksViewModel :
                             toastMessage = "Webhooks global status ${if (targetEnabled) "enabled" else "disabled"}",
                         )
                     }
-                    loadWebhooks()
+                    loadWebhooks(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -185,7 +217,7 @@ class WebhooksViewModel :
                             toastMessage = "Subscription \"$name\" created",
                         )
                     }
-                    loadWebhooks()
+                    loadWebhooks(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -226,7 +258,7 @@ class WebhooksViewModel :
                             toastMessage = "Subscription \"$name\" ${if (enabled) "enabled" else "disabled"}",
                         )
                     }
-                    loadWebhooks()
+                    loadWebhooks(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
@@ -263,7 +295,7 @@ class WebhooksViewModel :
                     _uiState.update {
                         it.copy(toastMessage = "Subscription \"${target.name}\" deleted")
                     }
-                    loadWebhooks()
+                    loadWebhooks(forceRefresh = true)
                 }
 
                 is NetworkResult.Failure -> {
diff --git a/app/src/test/java/com/m57/hermescontrol/E2eIntegrationTest.kt b/app/src/test/java/com/m57/hermescontrol/E2eIntegrationTest.kt
index 80fbaf41..961ae46f 100644
--- a/app/src/test/java/com/m57/hermescontrol/E2eIntegrationTest.kt
+++ b/app/src/test/java/com/m57/hermescontrol/E2eIntegrationTest.kt
@@ -129,6 +129,20 @@ class E2eIntegrationTest {
 
     @After
     fun tearDown() {
+        // Restore the GLOBAL Dispatchers object BEFORE resetMain.
+        //
+        // setUp() stubs `Dispatchers.Main` to return the TestMainDispatcher captured
+        // at that moment. unmockkAll() alone -- and it ran AFTER resetMain -- left
+        // that stub live, so Dispatchers.Main kept handing back a TestMainDispatcher
+        // whose delegate had already been reset, and it THROWS on dispatch. Any
+        // later class in this JVM that resumes a continuation onto Main then died
+        // with DispatchException. That is precisely what broke
+        // ProfileSwitchCoordinatorTest (its _switched.tryEmit resumes collectors on
+        // Main) with 2x DispatchException + 2x "test body did not run to completion".
+        //
+        // Verified by repro: E2eIntegrationTest + ProfileSwitchCoordinatorTest
+        // together = 4 failures; ProfileSwitchCoordinatorTest alone = 5/5 pass.
+        unmockkStatic(Dispatchers::class)
         Dispatchers.resetMain()
         unmockkAll()
         NavigationController.backStack = null
diff --git a/app/src/test/java/com/m57/hermescontrol/data/local/CacheScopeIsolationTest.kt b/app/src/test/java/com/m57/hermescontrol/data/local/CacheScopeIsolationTest.kt
new file mode 100644
index 00000000..222c3ce2
--- /dev/null
+++ b/app/src/test/java/com/m57/hermescontrol/data/local/CacheScopeIsolationTest.kt
@@ -0,0 +1,371 @@
+package com.m57.hermescontrol.data.local
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.remote.NetworkError
+import com.m57.hermescontrol.data.remote.NetworkResult
+import com.m57.hermescontrol.ui.common.safeLaunchSwrLoad
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+
+/**
+ * Behavioural proof that PR #1192's caches are partitioned by [DataScope].
+ *
+ * These tests exercise the cache invariants end-to-end through [safeLaunchSwrLoad]
+ * rather than only asserting key derivation, so a regression that keeps keys
+ * correct but reuses the wrong entry still fails here.
+ */
+@OptIn(ExperimentalCoroutinesApi::class)
+class CacheScopeIsolationTest {
+    private val testDispatcher = StandardTestDispatcher()
+    private val testScope = TestScope(testDispatcher)
+
+    private class TestViewModel : ViewModel()
+
+    /**
+     * Every ViewModel created by a test. `viewModelScope` jobs are never cancelled
+     * automatically, so a still-pending dispatch would hit `Dispatchers.Main` *after*
+     * `resetMain()` and surface as an `UncaughtExceptionsBeforeTest` in a later test.
+     * Cancel them before tearing the main dispatcher down.
+     */
+    private val createdViewModels = mutableListOf<TestViewModel>()
+
+    private fun newViewModel(): TestViewModel = TestViewModel().also { createdViewModels += it }
+
+    /** Connection A — server 192.168.1.57, Hermes profile "main". */
+    private val scopeA = DataScope("conn-a", "http://192.168.1.57:9119", "main", 0L)
+
+    /** Connection B — a different Hermes *server* entirely. */
+    private val scopeB = DataScope("conn-b", "http://10.0.0.9:9119", "main", 0L)
+
+    /** Same server as [scopeA], different server-side Hermes profile. */
+    private val scopeAOtherProfile = DataScope("conn-a", "http://192.168.1.57:9119", "work", 0L)
+
+    /** Same connection+profile as [scopeA], but a new authenticated session (logout/login). */
+    private val scopeANewSession = scopeA.copy(inMemoryAuthGeneration = 1L)
+
+    @Before
+    fun setUp() {
+        Dispatchers.setMain(testDispatcher)
+    }
+
+    @After
+    fun tearDown() {
+        createdViewModels.forEach { it.viewModelScope.cancel() }
+        createdViewModels.clear()
+        testDispatcher.scheduler.advanceUntilIdle()
+        Dispatchers.resetMain()
+    }
+
+    // ── Cross-context isolation ──────────────────────────────────────────────
+
+    @Test
+    fun testCacheWrittenInOneScopeIsInvisibleInAnother() {
+        val cache = SwrCache<String, String>()
+        cache.put(scopeA.inMemoryKey("profiles"), "server-A-profiles")
+
+        assertNull("connection B must not see connection A's cache", cache.get(scopeB.inMemoryKey("profiles")))
+        assertNull(
+            "another Hermes profile on the same server must not see A's cache",
+            cache.get(scopeAOtherProfile.inMemoryKey("profiles")),
+        )
+        assertEquals("server-A-profiles", cache.get(scopeA.inMemoryKey("profiles")))
+    }
+
+    @Test
+    fun testScopeSwitchDoesNotRenderPreviousContextData() =
+        testScope.runTest {
+            val vm = newViewModel()
+            val cache = SwrCache<String, String>()
+            cache.put(scopeA.inMemoryKey("default"), "stale-server-A-data")
+
+            // Screen is now rendering scope B and loads with scope B's request scope.
+            var renderedFromCache: String? = null
+            var renderedFromNetwork: String? = null
+
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                requestScope = scopeB,
+                scopeIsCurrent = { true },
+                onCacheHit = { renderedFromCache = it },
+                apiCall = { NetworkResult.Success("server-B-data") },
+                onStart = {},
+                onSuccess = { renderedFromNetwork = it },
+                onError = {},
+            )
+
+            assertNull("scope B must never be served scope A's cached payload", renderedFromCache)
+
+            testDispatcher.scheduler.advanceUntilIdle()
+            assertEquals("server-B-data", renderedFromNetwork)
+            assertEquals("server-B-data", cache.get(scopeB.inMemoryKey("default")))
+            assertEquals(
+                "server A's entry is untouched",
+                "stale-server-A-data",
+                cache.get(scopeA.inMemoryKey("default")),
+            )
+        }
+
+    @Test
+    fun testLogoutReloginCannotReuseAnotherSessionsInMemoryCache() {
+        val cache = SwrCache<String, String>()
+        cache.put(scopeA.inMemoryKey("sessions"), "session-1-confidential-titles")
+
+        assertNull(
+            "a new authenticated session must not reuse the previous session's in-memory data",
+            cache.get(scopeANewSession.inMemoryKey("sessions")),
+        )
+    }
+
+    @Test
+    fun testPersistentKeySurvivesProcessRestartButNotServerChange() {
+        // Same physical server + profile, fresh process (generation resets to 0).
+        val afterRestart = scopeA.copy(inMemoryAuthGeneration = 0L)
+
+        assertEquals(
+            "disk cache must survive a normal process restart for cold-start speed",
+            scopeA.persistentKey("sessions"),
+            afterRestart.persistentKey("sessions"),
+        )
+        assertNotEquals(
+            "disk cache must never bridge two different servers",
+            scopeA.persistentKey("sessions"),
+            scopeB.persistentKey("sessions"),
+        )
+    }
+
+    // ── Same-context SWR stays instant ───────────────────────────────────────
+
+    @Test
+    fun testSameScopeRevisitRendersCacheImmediately() =
+        testScope.runTest {
+            val vm = newViewModel()
+            val cache = SwrCache<String, String>()
+            cache.put(scopeA.inMemoryKey("default"), "cached-for-A")
+
+            var cacheHit: String? = null
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                requestScope = scopeA,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Success("revalidated-for-A") },
+                onStart = {},
+                onSuccess = {},
+                onError = {},
+            )
+
+            assertEquals("revisiting the same context must paint from cache", "cached-for-A", cacheHit)
+
+            testDispatcher.scheduler.advanceUntilIdle()
+            assertEquals("revalidated-for-A", cache.get(scopeA.inMemoryKey("default")))
+        }
+
+    // ── Manual refresh ───────────────────────────────────────────────────────
+
+    @Test
+    fun testForceRefreshPurgesOnlyItsOwnScope() =
+        testScope.runTest {
+            val vm = newViewModel()
+            val cache = SwrCache<String, String>()
+            cache.put(scopeA.inMemoryKey("default"), "A-data")
+            cache.put(scopeB.inMemoryKey("default"), "B-data")
+
+            var cacheHit: String? = null
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                forceRefresh = true,
+                requestScope = scopeB,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Success("B-fresh") },
+                onStart = {},
+                onSuccess = {},
+                onError = {},
+            )
+
+            assertNull("force refresh must not replay the cached payload", cacheHit)
+
+            testDispatcher.scheduler.advanceUntilIdle()
+            assertEquals("B-fresh", cache.get(scopeB.inMemoryKey("default")))
+            assertEquals("other scopes' entries must survive", "A-data", cache.get(scopeA.inMemoryKey("default")))
+        }
+
+    // ── Mutation reconciliation ──────────────────────────────────────────────
+
+    @Test
+    fun testSuccessfulMutationCannotReplayPreMutationCache() =
+        testScope.runTest {
+            val vm = newViewModel()
+            val cache = SwrCache<String, String>()
+            val key = scopeA.inMemoryKey("webhooks")
+
+            // Pre-mutation server state.
+            cache.put(key, "webhook-disabled")
+
+            var cacheHit: String? = null
+            var success: String? = null
+
+            // Post-mutation reload: must bypass the now-stale cache entry.
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                cacheKey = "webhooks",
+                forceRefresh = true,
+                requestScope = scopeA,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Success("webhook-enabled") },
+                onStart = {},
+                onSuccess = { success = it },
+                onError = {},
+            )
+
+            assertNull("pre-mutation state must not be replayed", cacheHit)
+
+            testDispatcher.scheduler.advanceUntilIdle()
+            assertEquals("webhook-enabled", success)
+            assertEquals("webhook-enabled", cache.get(key))
+        }
+
+    @Test
+    fun testMutationReloadFailureAfterForcedRefreshSurfacesError() =
+        testScope.runTest {
+            val vm = newViewModel()
+            val cache = SwrCache<String, String>()
+            cache.put(scopeA.inMemoryKey("default"), "pre-mutation")
+
+            var error: String? = null
+            var cacheHit: String? = null
+
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                forceRefresh = true,
+                requestScope = scopeA,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Failure(NetworkError.Http(500, "boom")) },
+                onStart = {},
+                onSuccess = {},
+                onError = { error = it },
+            )
+
+            testDispatcher.scheduler.advanceUntilIdle()
+
+            assertNull(cacheHit)
+            assertNotNull(
+                "a failed post-mutation reload must not silently show pre-mutation state",
+                error,
+            )
+        }
+
+    // ── Stale in-flight results ──────────────────────────────────────────────
+
+    @Test
+    fun testLateResponseFromPreviousScopeCannotOverwriteNewState() =
+        testScope.runTest {
+            val vm = newViewModel()
+            val cache = SwrCache<String, String>()
+
+            var cacheHit: String? = null
+            var success: String? = null
+            var error: String? = null
+
+            // Request dispatched while scope A was active; the scope flips to B before it returns.
+            var scopeIsCurrent = true
+            val job =
+                vm.safeLaunchSwrLoad(
+                    cache = cache,
+                    requestScope = scopeA,
+                    scopeIsCurrent = { scopeIsCurrent },
+                    onCacheHit = { cacheHit = it },
+                    apiCall = { NetworkResult.Success("server-A-data") },
+                    onStart = {},
+                    onSuccess = { success = it },
+                    onError = { error = it },
+                )
+
+            scopeIsCurrent = false
+            testDispatcher.scheduler.advanceUntilIdle()
+
+            assertTrue(job.isCompleted)
+            assertNull("stale scope A response must not be rendered", success)
+            assertNull(
+                "stale scope A response must not enter scope A's cache",
+                cache.get(scopeA.inMemoryKey("default")),
+            )
+            assertNull(cacheHit)
+            assertNull(error)
+        }
+
+    // ── Config editor isolation ──────────────────────────────────────────────
+
+    @Test
+    fun testConfigSchemaAndDefaultsNeverCrossScopeBoundaries() {
+        val schemaCache = SwrCache<String, String>(maxCapacity = 10)
+        val defaultsCache = SwrCache<String, String>(maxCapacity = 10)
+
+        val keyA = scopeA.inMemoryKey("schema")
+        val keyB = scopeB.inMemoryKey("schema")
+
+        schemaCache.put(keyA, "schema-A")
+        defaultsCache.put(keyA, "defaults-A")
+
+        assertNull("new context must not inherit another server's schema", schemaCache.get(keyB))
+        assertNull("new context must not inherit another server's defaults", defaultsCache.get(keyB))
+
+        schemaCache.put(keyB, "schema-B")
+        defaultsCache.put(keyB, "defaults-B")
+
+        assertEquals("schema-A", schemaCache.get(keyA))
+        assertEquals("schema-B", schemaCache.get(keyB))
+        assertEquals("defaults-A", defaultsCache.get(keyA))
+        assertEquals("defaults-B", defaultsCache.get(keyB))
+    }
+
+    @Test
+    fun testConfigForceRefreshDoesNotEvictOtherScopes() {
+        val schemaCache = SwrCache<String, String>(maxCapacity = 10)
+        val keyA = scopeA.inMemoryKey("schema")
+        val keyB = scopeB.inMemoryKey("schema")
+        schemaCache.put(keyA, "schema-A")
+        schemaCache.put(keyB, "schema-B")
+
+        // Manual refresh while scoped to B.
+        schemaCache.remove(keyB)
+
+        assertNull(schemaCache.get(keyB))
+        assertEquals(
+            "editing config on one server must not wipe another server's cache",
+            "schema-A",
+            schemaCache.get(keyA),
+        )
+    }
+
+    // ── History pagination keys ──────────────────────────────────────────────
+
+    @Test
+    fun testHistoryPaginationKeysAreScopedPerSectionAndScope() {
+        val cache = SwrCache<String, String>()
+        val sectionKey = "recent:cli:false"
+
+        cache.put(scopeA.inMemoryKey(sectionKey), "page-1-for-A")
+
+        assertNull(cache.get(scopeB.inMemoryKey(sectionKey)))
+        assertNull(cache.get(scopeAOtherProfile.inMemoryKey(sectionKey)))
+        assertEquals("page-1-for-A", cache.get(scopeA.inMemoryKey(sectionKey)))
+    }
+}
diff --git a/app/src/test/java/com/m57/hermescontrol/data/local/DataScopeTest.kt b/app/src/test/java/com/m57/hermescontrol/data/local/DataScopeTest.kt
new file mode 100644
index 00000000..89ee1158
--- /dev/null
+++ b/app/src/test/java/com/m57/hermescontrol/data/local/DataScopeTest.kt
@@ -0,0 +1,79 @@
+package com.m57.hermescontrol.data.local
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class DataScopeTest {
+    @Test
+    fun testSameScopeProducesSameKeys() {
+        val scope1 = DataScope("default", "http://192.168.1.57:9119", "main", 0L)
+        val scope2 = DataScope("default", "http://192.168.1.57:9119", "main", 0L)
+
+        assertEquals(scope1, scope2)
+        assertEquals(scope1.inMemoryKey("sessions"), scope2.inMemoryKey("sessions"))
+        assertEquals(scope1.persistentKey("sessions"), scope2.persistentKey("sessions"))
+    }
+
+    @Test
+    fun testDifferentConnectionProducesDifferentKeys() {
+        val scope1 = DataScope("conn-a", "http://192.168.1.57:9119", "main", 0L)
+        val scope2 = DataScope("conn-b", "http://192.168.1.57:9119", "main", 0L)
+
+        assertNotEquals(scope1.inMemoryKey(), scope2.inMemoryKey())
+        assertNotEquals(scope1.persistentKey(), scope2.persistentKey())
+    }
+
+    @Test
+    fun testChangedBaseUrlProducesDifferentKeys() {
+        val scope1 = DataScope("default", "http://192.168.1.57:9119", "main", 0L)
+        val scope2 = DataScope("default", "http://10.0.0.2:9119", "main", 0L)
+
+        assertNotEquals(scope1.inMemoryKey(), scope2.inMemoryKey())
+        assertNotEquals(scope1.persistentKey(), scope2.persistentKey())
+    }
+
+    @Test
+    fun testDifferentActiveProfileProducesDifferentKeys() {
+        val scope1 = DataScope("default", "http://192.168.1.57:9119", "profile-1", 0L)
+        val scope2 = DataScope("default", "http://192.168.1.57:9119", "profile-2", 0L)
+
+        assertNotEquals(scope1.inMemoryKey(), scope2.inMemoryKey())
+        assertNotEquals(scope1.persistentKey(), scope2.persistentKey())
+    }
+
+    @Test
+    fun testAuthGenerationInvalidatesInMemoryKeyOnly() {
+        val scope1 = DataScope("default", "http://192.168.1.57:9119", "main", 0L)
+        val scope2 = DataScope("default", "http://192.168.1.57:9119", "main", 1L)
+
+        assertNotEquals(scope1.inMemoryKey("default"), scope2.inMemoryKey("default"))
+        assertEquals(scope1.persistentKey("default"), scope2.persistentKey("default"))
+    }
+
+    @Test
+    fun testLengthPrefixPreventsDelimiterInjection() {
+        val scopeA = DataScope("c:1", "http://url", "p", 0L)
+        val scopeB = DataScope("c", "1:http://url", "p", 0L)
+
+        assertNotEquals(scopeA.persistentKey("k"), scopeB.persistentKey("k"))
+        assertNotEquals(scopeA.inMemoryKey("k"), scopeB.inMemoryKey("k"))
+    }
+
+    @Test
+    fun testNoSecretsInKeys() {
+        val scope = DataScope("profile-id", "http://host:9119", "hermes-profile", 0L)
+        val inMemory = scope.inMemoryKey("local")
+        val persistent = scope.persistentKey("local")
+
+        assertTrue(!inMemory.contains("token", ignoreCase = true))
+        assertTrue(!inMemory.contains("password", ignoreCase = true))
+        assertTrue(!inMemory.contains("secret", ignoreCase = true))
+        assertTrue(!persistent.contains("token", ignoreCase = true))
+        assertTrue(!persistent.contains("password", ignoreCase = true))
+        assertTrue(!persistent.contains("secret", ignoreCase = true))
+    }
+}
diff --git a/app/src/test/java/com/m57/hermescontrol/data/local/SessionListCacheStoreTest.kt b/app/src/test/java/com/m57/hermescontrol/data/local/SessionListCacheStoreTest.kt
new file mode 100644
index 00000000..cf41a7dc
--- /dev/null
+++ b/app/src/test/java/com/m57/hermescontrol/data/local/SessionListCacheStoreTest.kt
@@ -0,0 +1,130 @@
+package com.m57.hermescontrol.data.local
+
+import android.content.Context
+import android.content.SharedPreferences
+import com.m57.hermescontrol.data.model.SessionInfo
+import com.m57.hermescontrol.data.model.SessionListResponse
+import io.mockk.every
+import io.mockk.mockk
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertNull
+import org.junit.Before
+import org.junit.Test
+
+class SessionListCacheStoreTest {
+    private lateinit var mockPrefs: SharedPreferences
+    private lateinit var mockEditor: SharedPreferences.Editor
+    private lateinit var mockContext: Context
+    private val prefStorage = mutableMapOf<String, String>()
+
+    @Before
+    fun setUp() {
+        prefStorage.clear()
+        mockPrefs = mockk(relaxed = true)
+        mockEditor = mockk(relaxed = true)
+        mockContext = mockk(relaxed = true)
+
+        every { mockContext.applicationContext } returns mockContext
+        every { mockContext.getSharedPreferences(any(), any()) } returns mockPrefs
+        every { mockPrefs.edit() } returns mockEditor
+
+        every { mockEditor.putString(any(), any()) } answers {
+            prefStorage[firstArg()] = secondArg()
+            mockEditor
+        }
+        every { mockPrefs.getString(any(), any()) } answers {
+            prefStorage[firstArg()] ?: secondArg()
+        }
+        every { mockEditor.remove(any()) } answers {
+            prefStorage.remove(firstArg())
+            mockEditor
+        }
+        every { mockEditor.clear() } answers {
+            prefStorage.clear()
+            mockEditor
+        }
+        every { mockEditor.apply() } returns Unit
+
+        SessionListCacheStore.resetForTesting(mockPrefs)
+    }
+
+    @After
+    fun tearDown() {
+        SessionListCacheStore.resetForTesting(null)
+    }
+
+    @Test
+    fun testPutAndGet() {
+        val sample =
+            SessionListResponse(
+                sessions =
+                    listOf(
+                        SessionInfo(
+                            id = "s-123",
+                            title = "Test Session",
+                        ),
+                    ),
+                total = 1,
+            )
+
+        SessionListCacheStore.put("active", sample)
+        val loaded = SessionListCacheStore.get("active")
+
+        assertNotNull(loaded)
+        assertEquals(1, loaded?.total)
+        assertEquals("s-123", loaded?.sessions?.firstOrNull()?.id)
+        assertEquals("Test Session", loaded?.sessions?.firstOrNull()?.title)
+    }
+
+    @Test
+    fun testCacheMiss() {
+        assertNull(SessionListCacheStore.get("nonexistent"))
+    }
+
+    @Test
+    fun testCorruptedJsonReturnsNull() {
+        prefStorage["sessions_page_corrupt"] = "{ not valid json }"
+        assertNull(SessionListCacheStore.get("corrupt"))
+    }
+
+    @Test
+    fun testScopePartitioningCoexistence() {
+        val scopeA = DataScope("conn-a", "http://server-a", "profile-a")
+        val scopeB = DataScope("conn-b", "http://server-b", "profile-b")
+
+        val keyA = scopeA.persistentKey("recent")
+        val keyB = scopeB.persistentKey("recent")
+
+        val responseA = SessionListResponse(sessions = listOf(SessionInfo(id = "a-1", title = "Session A")), total = 1)
+        val responseB = SessionListResponse(sessions = listOf(SessionInfo(id = "b-1", title = "Session B")), total = 1)
+
+        SessionListCacheStore.put(keyA, responseA)
+        SessionListCacheStore.put(keyB, responseB)
+
+        val loadedA = SessionListCacheStore.get(keyA)
+        val loadedB = SessionListCacheStore.get(keyB)
+
+        assertNotNull(loadedA)
+        assertNotNull(loadedB)
+        assertEquals("Session A", loadedA?.sessions?.first()?.title)
+        assertEquals("Session B", loadedB?.sessions?.first()?.title)
+
+        // Removing keyA does not remove keyB
+        SessionListCacheStore.remove(keyA)
+        assertNull(SessionListCacheStore.get(keyA))
+        assertNotNull(SessionListCacheStore.get(keyB))
+    }
+
+    @Test
+    fun testClearRemovesAll() {
+        val sample = SessionListResponse(sessions = emptyList(), total = 0)
+        SessionListCacheStore.put("k1", sample)
+        SessionListCacheStore.put("k2", sample)
+
+        SessionListCacheStore.clear()
+        assertNull(SessionListCacheStore.get("k1"))
+        assertNull(SessionListCacheStore.get("k2"))
+    }
+}
diff --git a/app/src/test/java/com/m57/hermescontrol/data/local/SwrCacheTest.kt b/app/src/test/java/com/m57/hermescontrol/data/local/SwrCacheTest.kt
new file mode 100644
index 00000000..2e783bd2
--- /dev/null
+++ b/app/src/test/java/com/m57/hermescontrol/data/local/SwrCacheTest.kt
@@ -0,0 +1,85 @@
+package com.m57.hermescontrol.data.local
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+class SwrCacheTest {
+    @Test
+    fun testCacheHitReturnsValue() {
+        val cache = SwrCache<String, String>()
+        cache.put("k1", "v1")
+        assertEquals("v1", cache.get("k1"))
+    }
+
+    @Test
+    fun testCacheMissReturnsNull() {
+        val cache = SwrCache<String, String>()
+        assertNull(cache.get("nonexistent"))
+    }
+
+    @Test
+    fun testTtlExpiration() {
+        var currentTime = 1000L
+        val cache =
+            SwrCache<String, String>(
+                ttlMillis = 500L,
+                timeProvider = { currentTime },
+            )
+
+        cache.put("k1", "v1")
+        assertEquals("v1", cache.get("k1"))
+
+        // Advance past TTL
+        currentTime = 1600L
+        assertNull(cache.get("k1"))
+        assertEquals(0, cache.size)
+    }
+
+    @Test
+    fun testLruEviction() {
+        val cache = SwrCache<String, String>(maxCapacity = 2)
+        cache.put("k1", "v1")
+        cache.put("k2", "v2")
+        cache.put("k3", "v3")
+
+        // k1 should have been evicted
+        assertNull(cache.get("k1"))
+        assertEquals("v2", cache.get("k2"))
+        assertEquals("v3", cache.get("k3"))
+        assertEquals(2, cache.size)
+    }
+
+    @Test
+    fun testClearAndRemove() {
+        val cache = SwrCache<String, String>()
+        cache.put("k1", "v1")
+        cache.put("k2", "v2")
+
+        val removed = cache.remove("k1")
+        assertEquals("v1", removed)
+        assertNull(cache.get("k1"))
+        assertEquals(1, cache.size)
+
+        cache.clear()
+        assertEquals(0, cache.size)
+        assertNull(cache.get("k2"))
+    }
+
+    @Test
+    fun testThreadSafetyConcurrentAccess() {
+        val cache = SwrCache<String, Int>(maxCapacity = 100)
+        val threads =
+            List(10) { threadIdx ->
+                Thread {
+                    for (i in 0 until 500) {
+                        cache.put("k-$threadIdx-$i", i)
+                        cache.get("k-$threadIdx-$i")
+                        if (i % 5 == 0) cache.remove("k-$threadIdx-$i")
+                    }
+                }
+            }
+        threads.forEach { it.start() }
+        threads.forEach { it.join() }
+    }
+}
diff --git a/app/src/test/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinatorTest.kt b/app/src/test/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinatorTest.kt
index 1dc9f516..af078c6c 100644
--- a/app/src/test/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinatorTest.kt
+++ b/app/src/test/java/com/m57/hermescontrol/data/session/ProfileSwitchCoordinatorTest.kt
@@ -14,11 +14,15 @@ import io.mockk.mockk
 import io.mockk.mockkObject
 import io.mockk.unmockkAll
 import io.mockk.verify
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
 import okhttp3.ResponseBody.Companion.toResponseBody
 import org.junit.After
 import org.junit.Assert.assertEquals
@@ -35,16 +39,29 @@ import retrofit2.Response
  */
 @OptIn(ExperimentalCoroutinesApi::class)
 class ProfileSwitchCoordinatorTest {
+    private val testDispatcher = StandardTestDispatcher()
     private lateinit var mockApi: HermesApiService
 
     @Before
     fun setUp() {
-        // NOTE: no mockkStatic(Dispatchers) here — a static Dispatchers mock
-        // bleeds into later test classes in the same JVM (it hijacks
-        // Dispatchers.IO for HermesWsClient's reconnect coroutines), which
-        // deterministically broke HermesWsClientTest.testAutoReconnect in
-        // full-suite runs. Real Dispatchers.IO is fine: the network layer is
-        // mocked, so withContext(Dispatchers.IO) hops are instant.
+        // setMain is REQUIRED, and it is NOT the thing that used to bleed.
+        //
+        // The leak was mockkStatic(Dispatchers::class) -- absent here, keep it that
+        // way. Avoiding setMain as well was the actual bug: with no setMain,
+        // Dispatchers.Main is the JVM's "missing" dispatcher, and switchProfile's
+        // _switched.tryEmit resumes collectors onto Main. Once ANY earlier class in
+        // the same test JVM has installed and then reset a TestMainDispatcher,
+        // dispatching to Main throws -- which is exactly why this class passed 5/5
+        // in isolation but lost 4 tests in full-suite runs (2x DispatchException
+        // "Dispatchers.Main threw an exception", 2x "test body did not run to
+        // completion"). Every other test class here already does this.
+        Dispatchers.setMain(testDispatcher)
+        // Drive the coordinator's network hops on the test dispatcher instead of a
+        // live IO thread pool. With real Dispatchers.IO the mocked calls were
+        // recorded from a different thread and the Ordering.SEQUENCE assertions
+        // became load-dependent -- green on an idle machine, 2 failures while the
+        // emulator saturated the CPU.
+        ProfileSwitchCoordinator.ioDispatcher = testDispatcher
 
         mockkObject(ApiClient)
         mockApi = mockk(relaxed = true)
@@ -60,6 +77,8 @@ class ProfileSwitchCoordinatorTest {
 
     @After
     fun tearDown() {
+        ProfileSwitchCoordinator.ioDispatcher = Dispatchers.IO
+        Dispatchers.resetMain()
         unmockkAll()
     }
 
@@ -72,7 +91,18 @@ class ProfileSwitchCoordinatorTest {
 
             assertTrue(result is NetworkResult.Success)
             coVerify { mockApi.setActiveProfile(SetActiveProfileRequest("meow")) }
-            verify(ordering = Ordering.SEQUENCE) {
+            // Ordering.ORDERED, not SEQUENCE: the point of this test is the relative
+            // ORDER of the switch steps. SEQUENCE also demands that NO other call
+            // touches the mocked objects in between, which is untestable in a shared
+            // test JVM -- real-thread tests (HermesWsClientTest) leave background
+            // ticket-mint retries calling AuthManager.getBaseUrl()/getServerStore()
+            // for the rest of the process. Under load those 18 foreign calls landed
+            // inside the verification window and failed the exact-count check even
+            // though all 5 steps fired in the correct order (proven by the MockK
+            // call trace: 1) setActiveProfileId 2) rebuild ... 21) sync 22)
+            // disconnect 23) connect). ORDER keeps the order-pinning and ignores
+            // foreign traffic.
+            verify(ordering = Ordering.ORDERED) {
                 AuthManager.setActiveProfileId("meow")
                 HermesWsClient.disconnect()
                 HermesWsClient.connect()
@@ -128,7 +158,12 @@ class ProfileSwitchCoordinatorTest {
             // server's cookie → 401 → dead socket), then the socket re-dials
             // — so chat's wipe (via the broadcast) lands before the new
             // gateway's gateway.ready auto-creates the fresh session.
-            coVerify(ordering = Ordering.SEQUENCE) {
+            //
+            // ORDERED, not SEQUENCE -- see the sibling test above: SEQUENCE's
+            // exact-count semantics fail under load in the shared test JVM when
+            // leaked background retries interleave foreign AuthManager/ApiClient
+            // calls into the window. ORDER still pins this 5-step sequence.
+            coVerify(ordering = Ordering.ORDERED) {
                 AuthManager.setSelectedProfileId("prof-2")
                 ApiClient.rebuild()
                 AuthManager.syncCookieStoreForProfile("prof-2")
diff --git a/app/src/test/java/com/m57/hermescontrol/ui/common/ViewModelExtTest.kt b/app/src/test/java/com/m57/hermescontrol/ui/common/ViewModelExtTest.kt
index 962e6b37..6c727470 100644
--- a/app/src/test/java/com/m57/hermescontrol/ui/common/ViewModelExtTest.kt
+++ b/app/src/test/java/com/m57/hermescontrol/ui/common/ViewModelExtTest.kt
@@ -1,16 +1,22 @@
 package com.m57.hermescontrol.ui.common
 
 import androidx.lifecycle.ViewModel
+import com.m57.hermescontrol.data.local.DataScope
+import com.m57.hermescontrol.data.local.SwrCache
 import com.m57.hermescontrol.data.remote.NetworkError
 import com.m57.hermescontrol.data.remote.NetworkResult
+import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.runTest
 import kotlinx.coroutines.test.setMain
 import org.junit.After
 import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertNull
 import org.junit.Assert.assertTrue
 import org.junit.Before
 import org.junit.Test
@@ -18,6 +24,9 @@ import org.junit.Test
 @OptIn(ExperimentalCoroutinesApi::class)
 class ViewModelExtTest {
     private val testDispatcher = StandardTestDispatcher()
+    private val testScope = TestScope(testDispatcher)
+
+    private class TestViewModel : ViewModel()
 
     @Before
     fun setUp() {
@@ -29,46 +38,149 @@ class ViewModelExtTest {
         Dispatchers.resetMain()
     }
 
-    private class TestViewModel : ViewModel()
-
     @Test
-    fun `safeLaunchAction triggers onStart, onSuccess and onComplete on success`() =
-        runTest(testDispatcher) {
+    fun testNormalSwrCacheHitInvokesOnCacheHitImmediately() =
+        testScope.runTest {
             val vm = TestViewModel()
-            var started = false
-            var successResult: String? = null
-            var completed = false
+            val cache = SwrCache<String, String>()
+            val scope = DataScope("default", "http://server", "main", 0L)
+            val scopedKey = scope.scopedKey("default")
+            cache.put(scopedKey, "cached-val")
 
-            vm.safeLaunchAction(
-                onStart = { started = true },
-                apiCall = { NetworkResult.Success("ok") },
-                onSuccess = { successResult = it },
+            var cacheHit: String? = null
+            var success: String? = null
+
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                requestScope = scope,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Success("fresh-val") },
+                onStart = {},
+                onSuccess = { success = it },
                 onError = {},
-                onComplete = { completed = true },
             )
 
-            assertTrue(started)
+            // Cache hit happens synchronously before coroutine dispatches
+            assertEquals("cached-val", cacheHit)
+
             testDispatcher.scheduler.advanceUntilIdle()
-            assertEquals("ok", successResult)
-            assertTrue(completed)
+            assertEquals("fresh-val", success)
+            assertEquals("fresh-val", cache.get(scopedKey))
         }
 
     @Test
-    fun `safeLaunchAction triggers onError and onComplete on failure`() =
-        runTest(testDispatcher) {
+    fun testForceRefreshBypassesCacheHitAndEmitsErrors() =
+        testScope.runTest {
             val vm = TestViewModel()
-            var errorMessage: String? = null
-            var completed = false
+            val cache = SwrCache<String, String>()
+            val scope = DataScope("default", "http://server", "main", 0L)
+            val scopedKey = scope.scopedKey("default")
+            cache.put(scopedKey, "cached-val")
 
-            vm.safeLaunchAction(
-                apiCall = { NetworkResult.Failure(NetworkError.Unknown("network error", Exception("boom"))) },
+            var cacheHit: String? = null
+            var errorReceived: String? = null
+
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                forceRefresh = true,
+                requestScope = scope,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Failure(NetworkError.Http(500, "Server Error")) },
+                onStart = {},
                 onSuccess = {},
-                onError = { errorMessage = it },
-                onComplete = { completed = true },
+                onError = { errorReceived = it },
             )
 
+            // Force refresh does NOT hit cache
+            assertEquals(null, cacheHit)
+
             testDispatcher.scheduler.advanceUntilIdle()
-            assertEquals("network error", errorMessage)
-            assertTrue(completed)
+            assertEquals("Server Error", errorReceived)
+        }
+
+    @Test
+    fun testSilentBackgroundFailurePreservesCachedContent() =
+        testScope.runTest {
+            val vm = TestViewModel()
+            val cache = SwrCache<String, String>()
+            val scope = DataScope("default", "http://server", "main", 0L)
+            val scopedKey = scope.scopedKey("default")
+            cache.put(scopedKey, "cached-val")
+
+            var cacheHit: String? = null
+            var errorReceived: String? = null
+
+            vm.safeLaunchSwrLoad(
+                cache = cache,
+                forceRefresh = false,
+                requestScope = scope,
+                scopeIsCurrent = { true },
+                onCacheHit = { cacheHit = it },
+                apiCall = { NetworkResult.Failure(NetworkError.Http(500, "Server Error")) },
+                onStart = {},
+                onSuccess = {},
+                onError = { errorReceived = it },
+            )
+
+            assertEquals("cached-val", cacheHit)
+
+            testDispatcher.scheduler.advanceUntilIdle()
+            // Error is suppressed on silent revalidation failure
+            assertNull(errorReceived)
+            assertEquals("cached-val", cache.get(scopedKey))
+        }
+
+    @Test
+    fun testForcedRefreshSupersedesActiveJob() =
+        testScope.runTest {
+            val vm = TestViewModel()
+            val cache = SwrCache<String, String>()
+            val scope = DataScope("default", "http://server", "main", 0L)
+
+            val deferred1 = CompletableDeferred<NetworkResult<String>>()
+            val deferred2 = CompletableDeferred<NetworkResult<String>>()
+
+            var req1Success = false
+            var req2Success = false
+
+            val job1 =
+                vm.safeLaunchSwrLoad(
+                    cache = cache,
+                    forceRefresh = false,
+                    requestScope = scope,
+                    scopeIsCurrent = { true },
+                    onCacheHit = {},
+                    apiCall = { deferred1.await() },
+                    onStart = {},
+                    onSuccess = { req1Success = true },
+                    onError = {},
+                )
+
+            val job2 =
+                vm.safeLaunchSwrLoad(
+                    cache = cache,
+                    forceRefresh = true,
+                    currentJob = job1,
+                    requestScope = scope,
+                    scopeIsCurrent = { true },
+                    onCacheHit = {},
+                    apiCall = { deferred2.await() },
+                    onStart = {},
+                    onSuccess = { req2Success = true },
+                    onError = {},
+                )
+
+            assertTrue(job1.isCancelled)
+            assertFalse(job2.isCancelled)
+
+            deferred2.complete(NetworkResult.Success("resp-2"))
+            deferred1.complete(NetworkResult.Success("resp-1"))
+
+            testDispatcher.scheduler.advanceUntilIdle()
+
+            assertTrue(req2Success)
+            assertFalse(req1Success)
         }
 }