Implement MCP Servers, Webhooks, and Models screens

app/src/main/java/com/m57/hermescontrol/Navigation.kt

@@ -26,11 +26,14 @@ import com.m57.hermescontrol.ui.config.ConfigScreen as ConfigScreenContent
 import com.m57.hermescontrol.ui.connect.ConnectScreen as ConnectScreenContent
 import com.m57.hermescontrol.ui.cron.CronJobsScreen as CronJobsScreenContent
 import com.m57.hermescontrol.ui.gateway.GatewayScreen as GatewayScreenContent
+import com.m57.hermescontrol.ui.mcp.McpServersScreen as McpServersScreenContent
+import com.m57.hermescontrol.ui.model.ModelScreen as ModelScreenContent
 import com.m57.hermescontrol.ui.pairing.PairingScreen as PairingScreenContent
 import com.m57.hermescontrol.ui.profiles.ProfilesScreen as ProfilesScreenContent
 import com.m57.hermescontrol.ui.settings.SettingsScreen as SettingsScreenContent
 import com.m57.hermescontrol.ui.skills.SkillsScreen as SkillsScreenContent
 import com.m57.hermescontrol.ui.toolsets.ToolsetsScreen as ToolsetsScreenContent
+import com.m57.hermescontrol.ui.webhooks.WebhooksScreen as WebhooksScreenContent
 
 @Composable
 fun MainNavigation() {
@@ -48,7 +51,9 @@ fun MainNavigation() {
         currentScreen == ChatScreen || currentScreen == SkillsScreen || currentScreen == CronJobsScreen ||
             currentScreen == GatewayScreen || currentScreen == ProfilesScreen ||
             currentScreen == ToolsetsScreen || currentScreen == AchievementsScreen ||
-            currentScreen == PairingScreen || currentScreen == ConfigScreen
+            currentScreen == PairingScreen || currentScreen == ConfigScreen ||
+            currentScreen == McpServersScreen || currentScreen == WebhooksScreen ||
+            currentScreen == ModelScreen
     val openDrawer = { scope.launch { drawerState.open() } }
 
     ModalNavigationDrawer(
@@ -135,6 +140,33 @@ fun MainNavigation() {
                         },
                         modifier = Modifier.padding(horizontal = 12.dp, vertical = 4.dp),
                     )
+                    NavigationDrawerItem(
+                        label = { Text("MCP Servers") },
+                        selected = currentScreen == McpServersScreen,
+                        onClick = {
+                            scope.launch { drawerState.close() }
+                            NavigationController.navigateTo(McpServersScreen)
+                        },
+                        modifier = Modifier.padding(horizontal = 12.dp, vertical = 4.dp),
+                    )
+                    NavigationDrawerItem(
+                        label = { Text("Webhooks") },
+                        selected = currentScreen == WebhooksScreen,
+                        onClick = {
+                            scope.launch { drawerState.close() }
+                            NavigationController.navigateTo(WebhooksScreen)
+                        },
+                        modifier = Modifier.padding(horizontal = 12.dp, vertical = 4.dp),
+                    )
+                    NavigationDrawerItem(
+                        label = { Text("Models") },
+                        selected = currentScreen == ModelScreen,
+                        onClick = {
+                            scope.launch { drawerState.close() }
+                            NavigationController.navigateTo(ModelScreen)
+                        },
+                        modifier = Modifier.padding(horizontal = 12.dp, vertical = 4.dp),
+                    )
                     NavigationDrawerItem(
                         label = { Text("Gateway") },
                         selected = currentScreen == GatewayScreen,
@@ -222,6 +254,24 @@ fun MainNavigation() {
                         )
                     }
 
+                    entry<McpServersScreen> {
+                        McpServersScreenContent(
+                            onOpenDrawer = { openDrawer() },
+                        )
+                    }
+
+                    entry<WebhooksScreen> {
+                        WebhooksScreenContent(
+                            onOpenDrawer = { openDrawer() },
+                        )
+                    }
+
+                    entry<ModelScreen> {
+                        ModelScreenContent(
+                            onOpenDrawer = { openDrawer() },
+                        )
+                    }
+
                     entry<GatewayScreen> {
                         GatewayScreenContent(
                             onOpenDrawer = { openDrawer() },

app/src/main/java/com/m57/hermescontrol/NavigationKeys.kt

@@ -24,3 +24,9 @@ import kotlinx.serialization.Serializable
 @Serializable data object PairingScreen : NavKey
 
 @Serializable data object ConfigScreen : NavKey
+
+@Serializable data object McpServersScreen : NavKey
+
+@Serializable data object WebhooksScreen : NavKey
+
+@Serializable data object ModelScreen : NavKey

app/src/main/java/com/m57/hermescontrol/data/model/McpServer.kt

@@ -0,0 +1,19 @@
+package com.m57.hermescontrol.data.model
+
+data class McpServersResponse(
+    val servers: List<McpServer>,
+)
+
+data class McpServer(
+    val name: String,
+    val transport: String?,
+    val url: String?,
+    val command: String?,
+    val args: List<String>?,
+    val env: Map<String, String>?,
+    val enabled: Boolean,
+)
+
+data class McpServerToggleRequest(
+    val enabled: Boolean,
+)

app/src/main/java/com/m57/hermescontrol/data/model/ModelOption.kt

@@ -0,0 +1,18 @@
+package com.m57.hermescontrol.data.model
+
+data class ModelOptionsResponse(
+    val providers: List<ModelProvider>,
+)
+
+data class ModelProvider(
+    val slug: String,
+    val name: String,
+    val is_current: Boolean?,
+    val is_user_defined: Boolean?,
+    val models: List<String>?,
+    val total_models: Int?,
+    val source: String?,
+    val authenticated: Boolean?,
+    val auth_type: String?,
+    val warning: String?,
+)

app/src/main/java/com/m57/hermescontrol/data/model/Webhook.kt

@@ -0,0 +1,17 @@
+package com.m57.hermescontrol.data.model
+
+data class WebhooksResponse(
+    val enabled: Boolean,
+    val base_url: String?,
+    val subscriptions: List<WebhookSubscription>?,
+)
+
+data class WebhookSubscription(
+    val name: String,
+    val url: String,
+    val events: List<String>?,
+)
+
+data class WebhooksToggleRequest(
+    val enabled: Boolean,
+)

app/src/main/java/com/m57/hermescontrol/data/remote/HermesApiService.kt

@@ -3,6 +3,9 @@ package com.m57.hermescontrol.data.remote
 import com.m57.hermescontrol.data.model.AchievementsResponse
 import com.m57.hermescontrol.data.model.ActiveProfileResponse
 import com.m57.hermescontrol.data.model.CronJob
+import com.m57.hermescontrol.data.model.McpServerToggleRequest
+import com.m57.hermescontrol.data.model.McpServersResponse
+import com.m57.hermescontrol.data.model.ModelOptionsResponse
 import com.m57.hermescontrol.data.model.PairingApproveRequest
 import com.m57.hermescontrol.data.model.PairingResponse
 import com.m57.hermescontrol.data.model.PairingRevokeRequest
@@ -22,6 +25,8 @@ import com.m57.hermescontrol.data.model.UpdateProfileDescriptionRequest
 import com.m57.hermescontrol.data.model.UpdateProfileModelRequest
 import com.m57.hermescontrol.data.model.UpdateProfileSoulRequest
 import com.m57.hermescontrol.data.model.UpdateRawConfigRequest
+import com.m57.hermescontrol.data.model.WebhooksResponse
+import com.m57.hermescontrol.data.model.WebhooksToggleRequest
 import retrofit2.Response
 import retrofit2.http.Body
 import retrofit2.http.DELETE
@@ -157,4 +162,34 @@ interface HermesApiService {
     suspend fun updateRawConfig(
         @Body body: UpdateRawConfigRequest,
     ): Response<Unit>
+
+    @GET("api/mcp/servers")
+    suspend fun getMcpServers(): Response<McpServersResponse>
+
+    @PUT("api/mcp/servers/{name}/enabled")
+    suspend fun toggleMcpServer(
+        @Path("name") name: String,
+        @Body body: McpServerToggleRequest,
+    ): Response<Unit>
+
+    @POST("api/mcp/servers/{name}/test")
+    suspend fun testMcpServer(
+        @Path("name") name: String,
+    ): Response<Unit>
+
+    @DELETE("api/mcp/servers/{name}")
+    suspend fun deleteMcpServer(
+        @Path("name") name: String,
+    ): Response<Unit>
+
+    @GET("api/webhooks")
+    suspend fun getWebhooks(): Response<WebhooksResponse>
+
+    @POST("api/webhooks/enable")
+    suspend fun toggleWebhooks(
+        @Body body: WebhooksToggleRequest,
+    ): Response<Unit>
+
+    @GET("api/model/options")
+    suspend fun getModelOptions(): Response<ModelOptionsResponse>
 }

app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersScreen.kt

@@ -0,0 +1,203 @@
+package com.m57.hermescontrol.ui.mcp
+
+import android.widget.Toast
+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
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.Refresh
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.lifecycle.viewmodel.compose.viewModel
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun McpServersScreen(
+    modifier: Modifier = Modifier,
+    onOpenDrawer: (() -> Unit)? = null,
+    viewModel: McpServersViewModel = viewModel { McpServersViewModel() },
+) {
+    val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val context = LocalContext.current
+
+    LaunchedEffect(Unit) {
+        viewModel.loadServers()
+    }
+
+    LaunchedEffect(state.toastMessage) {
+        state.toastMessage?.let { msg ->
+            Toast.makeText(context, msg, Toast.LENGTH_SHORT).show()
+            viewModel.clearToast()
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                navigationIcon = {
+                    if (onOpenDrawer != null) {
+                        IconButton(onClick = onOpenDrawer) {
+                            Icon(
+                                imageVector = Icons.Filled.Menu,
+                                contentDescription = "Open Drawer",
+                            )
+                        }
+                    }
+                },
+                title = { Text("MCP Servers") },
+                actions = {
+                    IconButton(onClick = { viewModel.loadServers() }) {
+                        Icon(imageVector = Icons.Filled.Refresh, contentDescription = "Refresh")
+                    }
+                },
+            )
+        },
+        modifier = modifier,
+    ) { paddingValues ->
+        Box(
+            modifier =
+                Modifier
+                    .fillMaxSize()
+                    .padding(paddingValues),
+        ) {
+            if (state.isLoading && state.servers.isEmpty()) {
+                CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
+            } else if (state.errorMessage != null && state.servers.isEmpty()) {
+                Column(
+                    modifier =
+                        Modifier
+                            .align(Alignment.Center)
+                            .padding(16.dp),
+                    horizontalAlignment = Alignment.CenterHorizontally,
+                ) {
+                    Text(text = state.errorMessage ?: "", color = MaterialTheme.colorScheme.error)
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Button(onClick = { viewModel.loadServers() }) {
+                        Text("Retry")
+                    }
+                }
+            } else {
+                LazyColumn(
+                    modifier = Modifier.fillMaxSize(),
+                    contentPadding = PaddingValues(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(12.dp),
+                ) {
+                    items(state.servers) { server ->
+                        Card(
+                            modifier = Modifier.fillMaxWidth(),
+                            colors =
+                                CardDefaults.cardColors(
+                                    containerColor =
+                                        if (server.enabled) {
+                                            MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.15f)
+                                        } else {
+                                            MaterialTheme.colorScheme.surfaceVariant
+                                        },
+                                ),
+                        ) {
+                            Column(
+                                modifier =
+                                    Modifier
+                                        .fillMaxWidth()
+                                        .padding(16.dp),
+                            ) {
+                                Row(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.SpaceBetween,
+                                    verticalAlignment = Alignment.CenterVertically,
+                                ) {
+                                    Column(modifier = Modifier.weight(1f)) {
+                                        Text(
+                                            text = server.name.replaceFirstChar { it.uppercase() },
+                                            style = MaterialTheme.typography.titleMedium,
+                                            fontWeight = FontWeight.Bold,
+                                        )
+                                        Text(
+                                            text = "Transport: ${server.transport ?: "stdio"}",
+                                            style = MaterialTheme.typography.bodySmall,
+                                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                        )
+                                    }
+
+                                    Switch(
+                                        checked = server.enabled,
+                                        onCheckedChange = { viewModel.toggleServer(server) },
+                                    )
+                                }
+
+                                if (server.command != null) {
+                                    Spacer(modifier = Modifier.height(8.dp))
+                                    val fullCmd = "${server.command} ${server.args.orEmpty().joinToString(" ")}"
+                                    Text(
+                                        text = "Command:",
+                                        style = MaterialTheme.typography.bodySmall,
+                                        fontWeight = FontWeight.Bold,
+                                    )
+                                    Text(
+                                        text = fullCmd,
+                                        style =
+                                            MaterialTheme.typography.bodyMedium.copy(
+                                                fontFamily = FontFamily.Monospace,
+                                            ),
+                                    )
+                                }
+
+                                Spacer(modifier = Modifier.height(16.dp))
+
+                                Row(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.End,
+                                ) {
+                                    OutlinedButton(
+                                        onClick = { viewModel.testServer(server.name) },
+                                        modifier = Modifier.padding(end = 8.dp),
+                                    ) {
+                                        Text("Test")
+                                    }
+
+                                    OutlinedButton(
+                                        onClick = { viewModel.deleteServer(server.name) },
+                                    ) {
+                                        Text("Delete")
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/m57/hermescontrol/ui/mcp/McpServersViewModel.kt

@@ -0,0 +1,184 @@
+package com.m57.hermescontrol.ui.mcp
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.model.McpServer
+import com.m57.hermescontrol.data.model.McpServerToggleRequest
+import com.m57.hermescontrol.data.remote.ApiClient
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+data class McpServersUiState(
+    val isLoading: Boolean = false,
+    val isActionRunning: Boolean = false,
+    val servers: List<McpServer> = emptyList(),
+    val errorMessage: String? = null,
+    val toastMessage: String? = null,
+)
+
+class McpServersViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow(McpServersUiState())
+    val uiState: StateFlow<McpServersUiState> = _uiState.asStateFlow()
+
+    fun loadServers() {
+        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.getMcpServers()
+                    }
+                if (response.isSuccessful) {
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            servers = response.body()?.servers.orEmpty(),
+                        )
+                    }
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            errorMessage = "Failed to load MCP servers: HTTP ${response.code()}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        errorMessage = "Failed to load MCP servers: ${e.message}",
+                    )
+                }
+            }
+        }
+    }
+
+    fun toggleServer(server: McpServer) {
+        val originalEnabled = server.enabled
+        val targetEnabled = !originalEnabled
+
+        _uiState.update { state ->
+            state.copy(
+                servers =
+                    state.servers.map {
+                        if (it.name == server.name) it.copy(enabled = targetEnabled) else it
+                    },
+            )
+        }
+
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.toggleMcpServer(server.name, McpServerToggleRequest(targetEnabled))
+                    }
+                if (!response.isSuccessful) {
+                    revertToggle(server.name, originalEnabled, "Failed to toggle server: HTTP ${response.code()}")
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            toastMessage = "Server '${server.name}' ${if (targetEnabled) "enabled" else "disabled"}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                revertToggle(server.name, originalEnabled, "Failed to toggle server: ${e.message}")
+            }
+        }
+    }
+
+    fun testServer(name: String) {
+        _uiState.update { it.copy(isActionRunning = true) }
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.testMcpServer(name)
+                    }
+                if (response.isSuccessful) {
+                    _uiState.update {
+                        it.copy(
+                            isActionRunning = false,
+                            toastMessage = "Server '$name' tested successfully",
+                        )
+                    }
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            isActionRunning = false,
+                            toastMessage = "Server '$name' test failed: HTTP ${response.code()}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                _uiState.update {
+                    it.copy(
+                        isActionRunning = false,
+                        toastMessage = "Server '$name' test failed: ${e.message}",
+                    )
+                }
+            }
+        }
+    }
+
+    fun deleteServer(name: String) {
+        _uiState.update { it.copy(isActionRunning = true) }
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.deleteMcpServer(name)
+                    }
+                if (response.isSuccessful) {
+                    _uiState.update {
+                        it.copy(
+                            isActionRunning = false,
+                            toastMessage = "Server '$name' deleted successfully",
+                        )
+                    }
+                    loadServers()
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            isActionRunning = false,
+                            toastMessage = "Failed to delete server: HTTP ${response.code()}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                _uiState.update {
+                    it.copy(
+                        isActionRunning = false,
+                        toastMessage = "Failed to delete server: ${e.message}",
+                    )
+                }
+            }
+        }
+    }
+
+    private fun revertToggle(
+        name: String,
+        originalEnabled: Boolean,
+        errorMsg: String,
+    ) {
+        _uiState.update { state ->
+            state.copy(
+                servers =
+                    state.servers.map {
+                        if (it.name == name) it.copy(enabled = originalEnabled) else it
+                    },
+                toastMessage = errorMsg,
+            )
+        }
+    }
+
+    fun clearToast() {
+        _uiState.update { it.copy(toastMessage = null) }
+    }
+}

app/src/main/java/com/m57/hermescontrol/ui/model/ModelScreen.kt

@@ -0,0 +1,215 @@
+package com.m57.hermescontrol.ui.model
+
+import android.widget.Toast
+import androidx.compose.animation.AnimatedVisibility
+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
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.Refresh
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.lifecycle.viewmodel.compose.viewModel
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ModelScreen(
+    modifier: Modifier = Modifier,
+    onOpenDrawer: (() -> Unit)? = null,
+    viewModel: ModelViewModel = viewModel { ModelViewModel() },
+) {
+    val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val context = LocalContext.current
+    var expandedProviderSlug by remember { mutableStateOf<String?>(null) }
+
+    LaunchedEffect(Unit) {
+        viewModel.loadModelOptions()
+    }
+
+    LaunchedEffect(state.toastMessage) {
+        state.toastMessage?.let { msg ->
+            Toast.makeText(context, msg, Toast.LENGTH_SHORT).show()
+            viewModel.clearToast()
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                navigationIcon = {
+                    if (onOpenDrawer != null) {
+                        IconButton(onClick = onOpenDrawer) {
+                            Icon(
+                                imageVector = Icons.Filled.Menu,
+                                contentDescription = "Open Drawer",
+                            )
+                        }
+                    }
+                },
+                title = { Text("Model Providers") },
+                actions = {
+                    IconButton(onClick = { viewModel.loadModelOptions() }) {
+                        Icon(imageVector = Icons.Filled.Refresh, contentDescription = "Refresh")
+                    }
+                },
+            )
+        },
+        modifier = modifier,
+    ) { paddingValues ->
+        Box(
+            modifier =
+                Modifier
+                    .fillMaxSize()
+                    .padding(paddingValues),
+        ) {
+            if (state.isLoading && state.providers.isEmpty()) {
+                CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
+            } else if (state.errorMessage != null && state.providers.isEmpty()) {
+                Column(
+                    modifier =
+                        Modifier
+                            .align(Alignment.Center)
+                            .padding(16.dp),
+                    horizontalAlignment = Alignment.CenterHorizontally,
+                ) {
+                    Text(text = state.errorMessage ?: "", color = MaterialTheme.colorScheme.error)
+                    Spacer(modifier = Modifier.height(16.dp))
+                    IconButton(onClick = { viewModel.loadModelOptions() }) {
+                        Icon(imageVector = Icons.Filled.Refresh, contentDescription = "Retry")
+                    }
+                }
+            } else {
+                LazyColumn(
+                    modifier = Modifier.fillMaxSize(),
+                    contentPadding = PaddingValues(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(12.dp),
+                ) {
+                    items(state.providers) { provider ->
+                        val isExpanded = expandedProviderSlug == provider.slug
+                        val isCurrent = provider.is_current == true
+
+                        Card(
+                            modifier = Modifier.fillMaxWidth(),
+                            onClick = {
+                                expandedProviderSlug = if (isExpanded) null else provider.slug
+                            },
+                            colors =
+                                CardDefaults.cardColors(
+                                    containerColor =
+                                        if (isCurrent) {
+                                            MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.2f)
+                                        } else {
+                                            MaterialTheme.colorScheme.surfaceVariant
+                                        },
+                                ),
+                        ) {
+                            Column(
+                                modifier =
+                                    Modifier
+                                        .fillMaxWidth()
+                                        .padding(16.dp),
+                            ) {
+                                Row(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.SpaceBetween,
+                                    verticalAlignment = Alignment.CenterVertically,
+                                ) {
+                                    Column {
+                                        Text(
+                                            text = provider.name,
+                                            style = MaterialTheme.typography.titleMedium,
+                                            fontWeight = FontWeight.Bold,
+                                        )
+                                        Text(
+                                            text = "Slug: ${provider.slug}",
+                                            style = MaterialTheme.typography.bodySmall,
+                                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                        )
+                                    }
+
+                                    if (isCurrent) {
+                                        Text(
+                                            text = "CURRENT",
+                                            style = MaterialTheme.typography.labelMedium,
+                                            color = MaterialTheme.colorScheme.primary,
+                                            fontWeight = FontWeight.Bold,
+                                        )
+                                    }
+                                }
+
+                                provider.warning?.let {
+                                    if (it.isNotBlank()) {
+                                        Spacer(modifier = Modifier.height(8.dp))
+                                        Text(
+                                            text = it,
+                                            style = MaterialTheme.typography.bodySmall,
+                                            color = MaterialTheme.colorScheme.error,
+                                        )
+                                    }
+                                }
+
+                                AnimatedVisibility(visible = isExpanded) {
+                                    Column(modifier = Modifier.padding(top = 16.dp)) {
+                                        Text(
+                                            text = "Available Models:",
+                                            style = MaterialTheme.typography.titleSmall,
+                                            fontWeight = FontWeight.SemiBold,
+                                            modifier = Modifier.padding(bottom = 8.dp),
+                                        )
+
+                                        val models = provider.models.orEmpty()
+                                        if (models.isEmpty()) {
+                                            Text(
+                                                text = "No models reported or provider needs authentication.",
+                                                style = MaterialTheme.typography.bodyMedium,
+                                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                            )
+                                        } else {
+                                            models.forEach { model ->
+                                                Text(
+                                                    text = "• $model",
+                                                    style = MaterialTheme.typography.bodyMedium,
+                                                    modifier = Modifier.padding(vertical = 4.dp),
+                                                )
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/m57/hermescontrol/ui/model/ModelViewModel.kt

@@ -0,0 +1,63 @@
+package com.m57.hermescontrol.ui.model
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.model.ModelProvider
+import com.m57.hermescontrol.data.remote.ApiClient
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+data class ModelUiState(
+    val isLoading: Boolean = false,
+    val providers: List<ModelProvider> = emptyList(),
+    val errorMessage: String? = null,
+    val toastMessage: String? = null,
+)
+
+class ModelViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow(ModelUiState())
+    val uiState: StateFlow<ModelUiState> = _uiState.asStateFlow()
+
+    fun loadModelOptions() {
+        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.getModelOptions()
+                    }
+                if (response.isSuccessful) {
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            providers = response.body()?.providers.orEmpty(),
+                        )
+                    }
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            errorMessage = "Failed to load model options: HTTP ${response.code()}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        errorMessage = "Failed to load model options: ${e.message}",
+                    )
+                }
+            }
+        }
+    }
+
+    fun clearToast() {
+        _uiState.update { it.copy(toastMessage = null) }
+    }
+}

app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksScreen.kt

@@ -0,0 +1,255 @@
+package com.m57.hermescontrol.ui.webhooks
+
+import android.widget.Toast
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.Refresh
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SuggestionChip
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.lifecycle.viewmodel.compose.viewModel
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun WebhooksScreen(
+    modifier: Modifier = Modifier,
+    onOpenDrawer: (() -> Unit)? = null,
+    viewModel: WebhooksViewModel = viewModel { WebhooksViewModel() },
+) {
+    val state by viewModel.uiState.collectAsStateWithLifecycle()
+    val context = LocalContext.current
+
+    LaunchedEffect(Unit) {
+        viewModel.loadWebhooks()
+    }
+
+    LaunchedEffect(state.toastMessage) {
+        state.toastMessage?.let { msg ->
+            Toast.makeText(context, msg, Toast.LENGTH_SHORT).show()
+            viewModel.clearToast()
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                navigationIcon = {
+                    if (onOpenDrawer != null) {
+                        IconButton(onClick = onOpenDrawer) {
+                            Icon(
+                                imageVector = Icons.Filled.Menu,
+                                contentDescription = "Open Drawer",
+                            )
+                        }
+                    }
+                },
+                title = { Text("Webhooks Dispatcher") },
+                actions = {
+                    IconButton(onClick = { viewModel.loadWebhooks() }) {
+                        Icon(imageVector = Icons.Filled.Refresh, contentDescription = "Refresh")
+                    }
+                },
+            )
+        },
+        modifier = modifier,
+    ) { paddingValues ->
+        Box(
+            modifier =
+                Modifier
+                    .fillMaxSize()
+                    .padding(paddingValues),
+        ) {
+            if (state.isLoading && state.baseUrl == null) {
+                CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
+            } else if (state.errorMessage != null && state.baseUrl == null) {
+                Column(
+                    modifier =
+                        Modifier
+                            .align(Alignment.Center)
+                            .padding(16.dp),
+                    horizontalAlignment = Alignment.CenterHorizontally,
+                ) {
+                    Text(text = state.errorMessage ?: "", color = MaterialTheme.colorScheme.error)
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Button(onClick = { viewModel.loadWebhooks() }) {
+                        Text("Retry")
+                    }
+                }
+            } else {
+                LazyColumn(
+                    modifier = Modifier.fillMaxSize(),
+                    contentPadding = PaddingValues(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(16.dp),
+                ) {
+                    // Global Status Switch
+                    item {
+                        Card(
+                            modifier = Modifier.fillMaxWidth(),
+                            colors =
+                                CardDefaults.cardColors(
+                                    containerColor =
+                                        if (state.enabled) {
+                                            MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.15f)
+                                        } else {
+                                            MaterialTheme.colorScheme.surfaceVariant
+                                        },
+                                ),
+                        ) {
+                            Row(
+                                modifier =
+                                    Modifier
+                                        .fillMaxWidth()
+                                        .padding(16.dp),
+                                horizontalArrangement = Arrangement.SpaceBetween,
+                                verticalAlignment = Alignment.CenterVertically,
+                            ) {
+                                Column(modifier = Modifier.weight(1f)) {
+                                    Text(
+                                        text = "Global Webhooks Status",
+                                        style = MaterialTheme.typography.titleMedium,
+                                        fontWeight = FontWeight.Bold,
+                                    )
+                                    state.baseUrl?.let {
+                                        Text(
+                                            text = "Local Server URL: $it",
+                                            style = MaterialTheme.typography.bodySmall,
+                                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                        )
+                                    }
+                                }
+
+                                Switch(
+                                    checked = state.enabled,
+                                    onCheckedChange = { viewModel.toggleWebhooks(it) },
+                                )
+                            }
+                        }
+                    }
+
+                    // Subscriptions List Header
+                    item {
+                        Text(
+                            text = "Subscriptions",
+                            style = MaterialTheme.typography.titleMedium,
+                            fontWeight = FontWeight.Bold,
+                        )
+                    }
+
+                    if (state.subscriptions.isEmpty()) {
+                        item {
+                            Card(
+                                modifier = Modifier.fillMaxWidth(),
+                            ) {
+                                Box(
+                                    modifier =
+                                        Modifier
+                                            .fillMaxWidth()
+                                            .padding(24.dp),
+                                    contentAlignment = Alignment.Center,
+                                ) {
+                                    Text(
+                                        text = "No webhook subscriptions configured.",
+                                        style = MaterialTheme.typography.bodyMedium,
+                                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                    )
+                                }
+                            }
+                        }
+                    } else {
+                        items(state.subscriptions) { sub ->
+                            Card(
+                                modifier = Modifier.fillMaxWidth(),
+                            ) {
+                                Column(
+                                    modifier =
+                                        Modifier
+                                            .fillMaxWidth()
+                                            .padding(16.dp),
+                                    verticalArrangement = Arrangement.spacedBy(8.dp),
+                                ) {
+                                    Text(
+                                        text = sub.name.replaceFirstChar { it.uppercase() },
+                                        style = MaterialTheme.typography.titleMedium,
+                                        fontWeight = FontWeight.SemiBold,
+                                    )
+                                    Text(
+                                        text = "Target URL:",
+                                        style = MaterialTheme.typography.bodySmall,
+                                        fontWeight = FontWeight.Bold,
+                                    )
+                                    Text(
+                                        text = sub.url,
+                                        style =
+                                            MaterialTheme.typography.bodyMedium.copy(
+                                                fontFamily = FontFamily.Monospace,
+                                            ),
+                                    )
+
+                                    sub.events?.let { events ->
+                                        if (events.isNotEmpty()) {
+                                            Spacer(modifier = Modifier.height(4.dp))
+                                            Text(
+                                                text = "Events Subscribed:",
+                                                style = MaterialTheme.typography.bodySmall,
+                                                fontWeight = FontWeight.Bold,
+                                            )
+                                            FlowRow(
+                                                horizontalArrangement = Arrangement.spacedBy(6.dp),
+                                                verticalArrangement = Arrangement.spacedBy(4.dp),
+                                            ) {
+                                                events.forEach { event ->
+                                                    SuggestionChip(
+                                                        onClick = {},
+                                                        label = {
+                                                            Text(
+                                                                text = event,
+                                                                style = MaterialTheme.typography.labelSmall,
+                                                            )
+                                                        },
+                                                    )
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/m57/hermescontrol/ui/webhooks/WebhooksViewModel.kt

@@ -0,0 +1,107 @@
+package com.m57.hermescontrol.ui.webhooks
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.m57.hermescontrol.data.model.WebhookSubscription
+import com.m57.hermescontrol.data.model.WebhooksResponse
+import com.m57.hermescontrol.data.model.WebhooksToggleRequest
+import com.m57.hermescontrol.data.remote.ApiClient
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+data class WebhooksUiState(
+    val isLoading: Boolean = false,
+    val isActionRunning: Boolean = false,
+    val enabled: Boolean = false,
+    val baseUrl: String? = null,
+    val subscriptions: List<WebhookSubscription> = emptyList(),
+    val errorMessage: String? = null,
+    val toastMessage: String? = null,
+)
+
+class WebhooksViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow(WebhooksUiState())
+    val uiState: StateFlow<WebhooksUiState> = _uiState.asStateFlow()
+
+    fun loadWebhooks() {
+        _uiState.update { it.copy(isLoading = true, errorMessage = null) }
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.getWebhooks()
+                    }
+                if (response.isSuccessful) {
+                    val body = response.body()
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            enabled = body?.enabled ?: false,
+                            baseUrl = body?.base_url,
+                            subscriptions = body?.subscriptions.orEmpty(),
+                        )
+                    }
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            isLoading = false,
+                            errorMessage = "Failed to load webhooks: HTTP ${response.code()}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                _uiState.update {
+                    it.copy(
+                        isLoading = false,
+                        errorMessage = "Failed to load webhooks: ${e.message}",
+                    )
+                }
+            }
+        }
+    }
+
+    fun toggleWebhooks(targetEnabled: Boolean) {
+        val originalEnabled = _uiState.value.enabled
+        _uiState.update { it.copy(enabled = targetEnabled) }
+
+        viewModelScope.launch {
+            try {
+                val response =
+                    withContext(Dispatchers.IO) {
+                        ApiClient.hermesApi.toggleWebhooks(WebhooksToggleRequest(targetEnabled))
+                    }
+                if (response.isSuccessful) {
+                    _uiState.update {
+                        it.copy(
+                            toastMessage = "Webhooks global status ${if (targetEnabled) "enabled" else "disabled"}",
+                        )
+                    }
+                    loadWebhooks()
+                } else {
+                    _uiState.update {
+                        it.copy(
+                            enabled = originalEnabled,
+                            toastMessage = "Failed to toggle webhooks: HTTP ${response.code()}",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                _uiState.update {
+                    it.copy(
+                        enabled = originalEnabled,
+                        toastMessage = "Failed to toggle webhooks: ${e.message}",
+                    )
+                }
+            }
+        }
+    }
+
+    fun clearToast() {
+        _uiState.update { it.copy(toastMessage = null) }
+    }
+}