feat: add setting to toggle model provider visibility in chat composer (#1194)

app/src/androidTest/java/com/m57/hermescontrol/ui/chat/components/ComposerInteractionTest.kt

@@ -59,6 +59,7 @@ class ComposerInteractionTest {
         composerWidth: Dp? = null,
         modelAfterTap: String? = null,
         layoutDirection: LayoutDirection = LayoutDirection.Ltr,
+        showModelProvider: Boolean = false,
     ) {
         composeTestRule.setContent {
             var input by remember { mutableStateOf(TextFieldValue("")) }
@@ -93,6 +94,7 @@ class ComposerInteractionTest {
                         onCameraTap = { cameraTaps++ },
                         onImageTap = { photosTaps++ },
                         onFileTap = { fileTaps++ },
+                        showModelProvider = showModelProvider,
                     )
                 }
                 if (composerWidth == null) {
@@ -206,9 +208,9 @@ class ComposerInteractionTest {
     }
 
     @Test
-    fun longModelName_narrowComposer_scrollsWithoutOpeningPicker_orHidingControls() {
+    fun longModelName_remainsScrollableAndDoesNotTriggerPicker() {
         val longModel = "openrouter/some-extremely-long-model-name-preview-2026-with-extra-characters"
-        setComposer(model = longModel, composerWidth = 280.dp)
+        setComposer(model = longModel, composerWidth = 280.dp, showModelProvider = true)
 
         composeTestRule.onNodeWithTag("reasoning_chip").assertIsDisplayed()
         composeTestRule.onNodeWithTag("mic_button").assertIsDisplayed()
@@ -252,7 +254,7 @@ class ComposerInteractionTest {
     fun changingModel_resetsScrolledLabelToTheStart() {
         val firstModel = "openrouter/some-extremely-long-model-name-preview-2026-with-extra-characters"
         val secondModel = "anthropic/another-extremely-long-model-name-preview-2026-with-extra-characters"
-        setComposer(model = firstModel, modelAfterTap = secondModel, composerWidth = 280.dp)
+        setComposer(model = firstModel, modelAfterTap = secondModel, composerWidth = 280.dp, showModelProvider = true)
 
         val firstText = composeTestRule.onNodeWithText(firstModel)
         val leftBefore = firstText.getUnclippedBoundsInRoot().left
@@ -344,4 +346,29 @@ class ComposerInteractionTest {
 
         composeTestRule.onNodeWithTag("attachment_tray").assertDoesNotExist()
     }
+
+    @Test
+    fun defaultComposer_showsOnlyModelNameWithoutProvider() {
+        setComposer(model = "openai/gpt-5.5", showModelProvider = false)
+
+        composeTestRule.onNodeWithText("gpt-5.5").assertIsDisplayed()
+        composeTestRule.onNodeWithText("openai/gpt-5.5").assertDoesNotExist()
+    }
+
+    @Test
+    fun enabledComposer_showsProviderAndModelName() {
+        setComposer(model = "openai/gpt-5.5", showModelProvider = true)
+
+        composeTestRule.onNodeWithText("openai/gpt-5.5").assertIsDisplayed()
+        composeTestRule.onNodeWithText("gpt-5.5").assertDoesNotExist()
+    }
+
+    @Test
+    fun defaultComposer_showsOnlyFinalModelSegmentForNestedProvider() {
+        setComposer(model = "openrouter/openai/gpt-5", showModelProvider = false)
+
+        composeTestRule.onNodeWithText("gpt-5").assertIsDisplayed()
+        composeTestRule.onNodeWithText("openai/gpt-5").assertDoesNotExist()
+        composeTestRule.onNodeWithText("openrouter/openai/gpt-5").assertDoesNotExist()
+    }
 }

app/src/main/java/com/m57/hermescontrol/data/config/ServerStoreState.kt

@@ -28,6 +28,7 @@ data class ServerStoreState(
     val showUserMessageTokens: Boolean = true,
     val showAssistantMessageTokens: Boolean = true,
     val showTokensPerSecond: Boolean = true,
+    val showModelProvider: Boolean = false,
     // App display language. "system" = follow device locale; otherwise a BCP-47
     // language code such as "en" or "ko". Applied via ContextWrapper in MainActivity.
     val appLanguage: String = "system",

app/src/main/java/com/m57/hermescontrol/data/local/AuthManager.kt

@@ -850,6 +850,12 @@ object AuthManager {
         serverStore.update { it.copy(showTokensPerSecond = enabled) }
     }
 
+    fun isModelProviderShown(): Boolean = serverStore.getLatestState().showModelProvider
+
+    fun setModelProviderShown(shown: Boolean) {
+        serverStore.update { it.copy(showModelProvider = shown) }
+    }
+
     // ── Chat Font Scale (issue #1004) ───────────────────────────────────
 
     fun getChatFontScale(): Float = serverStore.getLatestState().chatFontScale

app/src/main/java/com/m57/hermescontrol/ui/chat/ChatScreen.kt

@@ -790,6 +790,7 @@ fun ChatScreen(
                 },
                 // Composer toolbar wiring (PR 1)
                 currentSessionModel = state.currentSessionModel,
+                showModelProvider = state.showModelProvider,
                 reasoningLevel = state.reasoningLevel,
                 onModelTap = { viewModel.openModelPicker() },
                 onReasoningTap = { level -> viewModel.setReasoningLevel(level) },

app/src/main/java/com/m57/hermescontrol/ui/chat/ChatViewModel.kt

@@ -118,6 +118,7 @@ data class ChatUiState(
     val showUserMessageTokens: Boolean = true,
     val showAssistantMessageTokens: Boolean = true,
     val showTokensPerSecond: Boolean = true,
+    val showModelProvider: Boolean = false,
     // Commands catalog
     val commandCatalog: CommandCatalog = CommandCatalog(),
     // Per-command usage counts for the slash-autocomplete ranking (issue
@@ -2605,6 +2606,7 @@ class ChatViewModel(
                 showUserMessageTokens = AuthManager.isUserMessageTokensEnabled(),
                 showAssistantMessageTokens = AuthManager.isAssistantMessageTokensEnabled(),
                 showTokensPerSecond = AuthManager.isTokensPerSecondEnabled(),
+                showModelProvider = AuthManager.isModelProviderShown(),
             )
         }
     }

app/src/main/java/com/m57/hermescontrol/ui/chat/components/ChatComposer.kt

@@ -100,6 +100,7 @@ fun ChatInputBar(
     fastSupported: Boolean = false,
     isFastModeChanging: Boolean = false,
     onToggleFastMode: () -> Unit = {},
+    showModelProvider: Boolean = false,
 ) {
     // Allow sending while the agent is mid-turn or awaiting approval: the
     // gateway's prompt.submit busy-input policy queues it as the next turn
@@ -327,6 +328,7 @@ fun ChatInputBar(
                     fastSupported = fastSupported,
                     isFastModeChanging = isFastModeChanging,
                     onToggleFastMode = onToggleFastMode,
+                    showModelProvider = showModelProvider,
                 )
 
                 AttachmentTray(

app/src/main/java/com/m57/hermescontrol/ui/chat/components/ComposerToolbar.kt

@@ -103,6 +103,7 @@ fun ComposerToolbar(
     fastSupported: Boolean = false,
     isFastModeChanging: Boolean = false,
     onToggleFastMode: () -> Unit = {},
+    showModelProvider: Boolean = false,
 ) {
     var showReasoningMenu by remember { mutableStateOf(false) }
     val palette = composerPalette()
@@ -135,7 +136,11 @@ fun ComposerToolbar(
         // Model + reasoning pill — wraps its content inside the free space,
         // pushing the mic/action buttons to the far end
         val modelScrollState = rememberScrollState()
-        LaunchedEffect(currentSessionModel) {
+        val modelLabel =
+            currentSessionModel?.let { model ->
+                composerModelLabel(model, showProvider = showModelProvider)
+            } ?: "Model"
+        LaunchedEffect(modelLabel) {
             modelScrollState.scrollTo(0)
         }
         Box(modifier = Modifier.weight(1f), contentAlignment = Alignment.CenterStart) {
@@ -159,9 +164,7 @@ fun ComposerToolbar(
                             .testTag("model_chip"),
                 ) {
                     Text(
-                        // Keeps the provider so same-named models from different providers
-                        // stay distinguishable while allowing the full label to be revealed.
-                        text = currentSessionModel?.let(::composerModelLabel) ?: "Model",
+                        text = modelLabel,
                         style = MaterialTheme.typography.bodyMedium,
                         color = palette.onControl,
                         maxLines = 1,
@@ -454,19 +457,39 @@ private fun listeningIconButtonColors(): IconButtonColors =
     )
 
 /**
- * Model label for the composer pill: the session's "provider/model" id with
+ * Model label for the composer pill:
+ * When [showProvider] is true, shows the session's "provider/model" id with
  * only the "custom:" marker removed from the provider ("custom:acme/glm-5.3"
- * → "acme/glm-5.3"). The provider itself is kept so the same model served by
+ * → "acme/glm-5.3"). The provider is kept so the same model served by
  * different providers never renders identically.
+ * When [showProvider] is false (default), shows only the model name ("openai/gpt-5"
+ * → "gpt-5", "custom:acme/glm-5.3" → "glm-5.3").
  */
-internal fun composerModelLabel(sessionModel: String): String {
+internal fun composerModelLabel(
+    sessionModel: String,
+    showProvider: Boolean = false,
+): String {
     val slash = sessionModel.indexOf('/')
     if (slash <= 0) return sessionModel
-    val provider = sessionModel.substring(0, slash)
-    if (!provider.startsWith(CUSTOM_PROVIDER_PREFIX) || provider.length == CUSTOM_PROVIDER_PREFIX.length) {
-        return sessionModel
+
+    val rawProvider = sessionModel.substring(0, slash)
+    val model = sessionModel.substring(slash + 1)
+    if (model.isBlank()) return sessionModel
+
+    if (rawProvider == CUSTOM_PROVIDER_PREFIX) return sessionModel
+
+    if (!showProvider) {
+        val leaf = sessionModel.substringAfterLast('/')
+        return if (leaf.isNotBlank()) leaf else sessionModel
     }
-    return provider.removePrefix(CUSTOM_PROVIDER_PREFIX) + sessionModel.substring(slash)
+
+    val provider =
+        if (rawProvider.startsWith(CUSTOM_PROVIDER_PREFIX) && rawProvider.length > CUSTOM_PROVIDER_PREFIX.length) {
+            rawProvider.removePrefix(CUSTOM_PROVIDER_PREFIX)
+        } else {
+            rawProvider
+        }
+    return "$provider/$model"
 }
 
 private const val CUSTOM_PROVIDER_PREFIX = "custom:"

app/src/main/java/com/m57/hermescontrol/ui/settings/SettingsSubPages.kt

@@ -207,6 +207,8 @@ internal fun SettingsChatPage(
                 onAssistantMessageTokensChange = viewModel::onAssistantMessageTokensChange,
                 showTokensPerSecond = state.showTokensPerSecond,
                 onTokensPerSecondChange = viewModel::onTokensPerSecondChange,
+                showModelProvider = state.showModelProvider,
+                onShowModelProviderChange = viewModel::onShowModelProviderChange,
             )
         }
     }

app/src/main/java/com/m57/hermescontrol/ui/settings/SettingsViewModel.kt

@@ -43,6 +43,7 @@ data class SettingsUiState(
     val showUserMessageTokens: Boolean = true,
     val showAssistantMessageTokens: Boolean = true,
     val showTokensPerSecond: Boolean = true,
+    val showModelProvider: Boolean = false,
     val profiles: List<ConnectionProfile> = emptyList(),
     val selectedProfileId: String? = null,
     val renameProfileName: String = "",
@@ -89,6 +90,7 @@ class SettingsViewModel(
         val showUserMessageTokens = AuthManager.isUserMessageTokensEnabled()
         val showAssistantMessageTokens = AuthManager.isAssistantMessageTokensEnabled()
         val showTokensPerSecond = AuthManager.isTokensPerSecondEnabled()
+        val showModelProvider = AuthManager.isModelProviderShown()
         val profiles = AuthManager.getConnectionProfiles()
         val appLanguage = AuthManager.getAppLanguage()
         val renameProfileName =
@@ -114,6 +116,7 @@ class SettingsViewModel(
                 showUserMessageTokens = showUserMessageTokens,
                 showAssistantMessageTokens = showAssistantMessageTokens,
                 showTokensPerSecond = showTokensPerSecond,
+                showModelProvider = showModelProvider,
                 profiles = profiles,
                 selectedProfileId = selectedId,
                 renameProfileName = renameProfileName,
@@ -360,6 +363,11 @@ class SettingsViewModel(
         AuthManager.setTokensPerSecondEnabled(enabled)
     }
 
+    fun onShowModelProviderChange(enabled: Boolean) {
+        _uiState.update { it.copy(showModelProvider = enabled, isSaved = false) }
+        AuthManager.setModelProviderShown(enabled)
+    }
+
     /** Clear all auth credentials — logs out and returns to landing screen. */
     fun logout() {
         AuthManager.setToken(null)
@@ -393,6 +401,7 @@ class SettingsViewModel(
         AuthManager.setUserMessageTokensEnabled(state.showUserMessageTokens)
         AuthManager.setAssistantMessageTokensEnabled(state.showAssistantMessageTokens)
         AuthManager.setTokensPerSecondEnabled(state.showTokensPerSecond)
+        AuthManager.setModelProviderShown(state.showModelProvider)
         ApiClient.rebuild()
 
         viewModelScope.launch(ioDispatcher) {

app/src/main/java/com/m57/hermescontrol/ui/settings/components/AppearanceSection.kt

@@ -213,6 +213,8 @@ internal fun ChatSection(
     onAssistantMessageTokensChange: (Boolean) -> Unit = {},
     showTokensPerSecond: Boolean = true,
     onTokensPerSecondChange: (Boolean) -> Unit = {},
+    showModelProvider: Boolean = false,
+    onShowModelProviderChange: (Boolean) -> Unit = {},
 ) {
     val fontScaleOptions = listOf(0.85f, 1.0f, 1.15f, 1.30f, 1.50f)
     val currentIndex =
@@ -425,6 +427,38 @@ internal fun ChatSection(
 
         Spacer(modifier = Modifier.height(20.dp))
 
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            Column(modifier = Modifier.weight(1f).padding(end = 16.dp)) {
+                Text(
+                    text = stringResource(R.string.settings_item_show_model_provider),
+                    style = MaterialTheme.typography.bodyLarge,
+                )
+                Text(
+                    text = stringResource(R.string.settings_desc_show_model_provider),
+                    style =
+                        MaterialTheme.typography.bodySmall.copy(
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        ),
+                )
+            }
+            Switch(
+                checked = showModelProvider,
+                onCheckedChange = onShowModelProviderChange,
+                modifier = Modifier.testTag("settings_show_model_provider"),
+                colors =
+                    SwitchDefaults.colors(
+                        checkedThumbColor = MaterialTheme.colorScheme.primary,
+                        checkedTrackColor = MaterialTheme.colorScheme.primaryContainer,
+                    ),
+            )
+        }
+
+        Spacer(modifier = Modifier.height(20.dp))
+
         Row(
             modifier = Modifier.fillMaxWidth(),
             horizontalArrangement = Arrangement.SpaceBetween,

app/src/main/res/values-ar/strings.xml

@@ -192,6 +192,8 @@
 <string name="settings_item_user_message_tokens">رموز رسالة المستخدم</string>
 <string name="settings_item_assistant_message_tokens">رموز رسالة المساعد</string>
 <string name="settings_item_tokens_per_second">الرموز في الثانية (TPS)</string>
+    <string name="settings_item_show_model_provider">إظهار اسم المزود</string>
+    <string name="settings_desc_show_model_provider">إظهار المزود قبل اسم النموذج في شريط كتابة المحادثة.</string>
 <string name="chat_agent_status_typing">الوكيل يكتب</string>
 <string name="chat_agent_status_thinking">يفكّر…</string>
 <string name="chat_agent_status_searching">يبحث…</string>

app/src/main/res/values-ko/strings.xml

@@ -195,6 +195,8 @@
     <string name="settings_item_user_message_tokens">사용자 메시지 토큰</string>
     <string name="settings_item_assistant_message_tokens">어시스턴트 메시지 토큰</string>
     <string name="settings_item_tokens_per_second">초당 토큰 수 (TPS)</string>
+    <string name="settings_item_show_model_provider">제공자 이름 표시</string>
+    <string name="settings_desc_show_model_provider">채팅 작성창에서 모델 이름 앞에 제공자를 표시합니다.</string>
     <string name="chat_agent_status_typing">에이전트 입력 중</string>
     <string name="chat_agent_status_thinking">생각 중…</string>
     <string name="chat_agent_status_searching">검색 중…</string>

app/src/main/res/values-zh/strings.xml

@@ -192,6 +192,8 @@
     <string name="settings_item_user_message_tokens">用户消息令牌</string>
     <string name="settings_item_assistant_message_tokens">助手消息令牌</string>
     <string name="settings_item_tokens_per_second">每秒令牌数 (TPS)</string>
+    <string name="settings_item_show_model_provider">显示提供商名称</string>
+    <string name="settings_desc_show_model_provider">在聊天输入栏的模型名称前显示提供商。</string>
     <string name="chat_agent_status_typing">助手正在输入</string>
     <string name="chat_agent_status_thinking">正在思考…</string>
     <string name="chat_agent_status_searching">正在搜索…</string>

app/src/main/res/values/strings.xml

@@ -216,6 +216,8 @@
     <string name="settings_item_user_message_tokens">User message tokens</string>
     <string name="settings_item_assistant_message_tokens">Assistant message tokens</string>
     <string name="settings_item_tokens_per_second">Tokens per second (TPS)</string>
+    <string name="settings_item_show_model_provider">Show provider name</string>
+    <string name="settings_desc_show_model_provider">Show the provider before the model name in the chat composer.</string>
     <string name="chat_agent_status_typing">Agent is typing</string>
     <string name="chat_agent_status_thinking">Thinking…</string>
     <string name="chat_agent_status_searching">Searching…</string>

app/src/test/java/com/m57/hermescontrol/data/config/ServerStoreTest.kt

@@ -2,6 +2,7 @@ package com.m57.hermescontrol.data.config
 
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
 import org.junit.Assert.assertNull
 import org.junit.Assert.assertTrue
 import org.junit.Test
@@ -16,6 +17,7 @@ class ServerStoreTest {
         assertTrue(state.autoReconnect)
         assertEquals("token", state.wsAuthParam)
         assertEquals(1.0f, state.chatFontScale)
+        assertFalse(state.showModelProvider)
         assertTrue(state.connectionProfiles.isEmpty())
         assertNull(state.selectedProfileId)
     }
@@ -67,4 +69,12 @@ class ServerStoreTest {
         assertEquals("127.0.0.1", unselectedState.resolvedHost)
         assertEquals(9119, unselectedState.resolvedPort)
     }
+
+    @Test
+    fun testShowModelProviderUpdate() {
+        val state = ServerStoreState()
+        assertFalse(state.showModelProvider)
+        val updated = state.copy(showModelProvider = true)
+        assertTrue(updated.showModelProvider)
+    }
 }

app/src/test/java/com/m57/hermescontrol/ui/chat/ChatUpdateCommandTest.kt

@@ -93,6 +93,7 @@ class ChatUpdateCommandTest {
         every { AuthManager.isUserMessageTokensEnabled() } returns true
         every { AuthManager.isAssistantMessageTokensEnabled() } returns true
         every { AuthManager.isTokensPerSecondEnabled() } returns true
+        every { AuthManager.isModelProviderShown() } returns false
         every { AuthManager.isAutoReconnect() } returns false
         every { AuthManager.isRestoreLastSession() } returns false
         every { AuthManager.getLastOpenedSessionId() } returns null

app/src/test/java/com/m57/hermescontrol/ui/chat/ChatViewModelTest.kt

@@ -171,6 +171,7 @@ class ChatViewModelTest {
         every { AuthManager.isUserMessageTokensEnabled() } returns true
         every { AuthManager.isAssistantMessageTokensEnabled() } returns true
         every { AuthManager.isTokensPerSecondEnabled() } returns true
+        every { AuthManager.isModelProviderShown() } returns false
         every { AuthManager.isAutoReconnect() } returns false
         every { AuthManager.isRestoreLastSession() } returns false
         every { AuthManager.getLastOpenedSessionId() } returns null
@@ -4335,6 +4336,7 @@ class ChatViewModelTest {
                 assertTrue(showUserMessageTokens)
                 assertTrue(showAssistantMessageTokens)
                 assertTrue(showTokensPerSecond)
+                assertFalse(showModelProvider)
             }
 
             // When settings change after construction and refreshSettings() is re-invoked,
@@ -4346,6 +4348,7 @@ class ChatViewModelTest {
             every { AuthManager.isUserMessageTokensEnabled() } returns false
             every { AuthManager.isAssistantMessageTokensEnabled() } returns false
             every { AuthManager.isTokensPerSecondEnabled() } returns false
+            every { AuthManager.isModelProviderShown() } returns true
             viewModel.refreshSettings()
             advanceUntilIdle()
 
@@ -4357,6 +4360,7 @@ class ChatViewModelTest {
             assertFalse(state.showUserMessageTokens)
             assertFalse(state.showAssistantMessageTokens)
             assertFalse(state.showTokensPerSecond)
+            assertTrue(state.showModelProvider)
         }
 
     @Test

app/src/test/java/com/m57/hermescontrol/ui/chat/ComposerToolbarTest.kt

@@ -5,31 +5,37 @@ import org.junit.Test
 
 /**
  * Unit tests for [composerModelLabel] — the label shown in the composer's
- * model/reasoning pill. Only the "custom:" provider marker is dropped; the
- * provider stays so the same model from different providers never collides.
+ * model/reasoning pill.
+ * By default ([showProvider] = false), only the model name is shown.
+ * When [showProvider] = true, the provider is kept (with "custom:" stripped).
  */
 class ComposerToolbarTest {
     @Test
-    fun composerModelLabel_keepsProviderToDisambiguateSameModel() {
-        assertEquals("openai/gpt-5.5", composerModelLabel("openai/gpt-5.5"))
-        assertEquals("copilot/gpt-5.5", composerModelLabel("copilot/gpt-5.5"))
-    }
-
-    @Test
-    fun composerModelLabel_dropsOnlyTheCustomMarker() {
-        assertEquals("my-provider/glm-5.3", composerModelLabel("custom:my-provider/glm-5.3"))
-        assertEquals("openrouter/openai/gpt-5.5", composerModelLabel("openrouter/openai/gpt-5.5"))
-    }
-
-    @Test
-    fun composerModelLabel_leavesModelTagsAndPlainIdsAlone() {
-        assertEquals("ollama/llama3:8b", composerModelLabel("ollama/llama3:8b"))
+    fun composerModelLabel_defaultsToModelOnly() {
+        assertEquals("gpt-5.5", composerModelLabel("openai/gpt-5.5"))
+        assertEquals("gpt-5.5", composerModelLabel("copilot/gpt-5.5"))
+        assertEquals("glm-5.3", composerModelLabel("custom:my-provider/glm-5.3"))
+        assertEquals("gpt-5.5", composerModelLabel("openrouter/openai/gpt-5.5"))
+        assertEquals("gpt-5", composerModelLabel("openrouter/openai/gpt-5"))
+        assertEquals("llama3:8b", composerModelLabel("ollama/llama3:8b"))
         assertEquals("llama3:8b", composerModelLabel("llama3:8b"))
         assertEquals("gpt-5", composerModelLabel("gpt-5"))
+        assertEquals("custom:/glm-5.3", composerModelLabel("custom:/glm-5.3"))
+        assertEquals("openai/", composerModelLabel("openai/"))
+        assertEquals("/gpt-5", composerModelLabel("/gpt-5"))
     }
 
     @Test
-    fun composerModelLabel_bareCustomMarker_fallsBackToFullId() {
-        assertEquals("custom:/glm-5.3", composerModelLabel("custom:/glm-5.3"))
+    fun composerModelLabel_keepsProviderWhenEnabled() {
+        assertEquals("openai/gpt-5.5", composerModelLabel("openai/gpt-5.5", showProvider = true))
+        assertEquals("copilot/gpt-5.5", composerModelLabel("copilot/gpt-5.5", showProvider = true))
+        assertEquals("my-provider/glm-5.3", composerModelLabel("custom:my-provider/glm-5.3", showProvider = true))
+        assertEquals("openrouter/openai/gpt-5.5", composerModelLabel("openrouter/openai/gpt-5.5", showProvider = true))
+        assertEquals("ollama/llama3:8b", composerModelLabel("ollama/llama3:8b", showProvider = true))
+        assertEquals("llama3:8b", composerModelLabel("llama3:8b", showProvider = true))
+        assertEquals("gpt-5", composerModelLabel("gpt-5", showProvider = true))
+        assertEquals("custom:/glm-5.3", composerModelLabel("custom:/glm-5.3", showProvider = true))
+        assertEquals("openai/", composerModelLabel("openai/", showProvider = true))
+        assertEquals("/gpt-5", composerModelLabel("/gpt-5", showProvider = true))
     }
 }

app/src/test/java/com/m57/hermescontrol/ui/chat/SlashCommandDispatchRpcTest.kt

@@ -98,6 +98,7 @@ class SlashCommandDispatchRpcTest {
         every { AuthManager.isUserMessageTokensEnabled() } returns true
         every { AuthManager.isAssistantMessageTokensEnabled() } returns true
         every { AuthManager.isTokensPerSecondEnabled() } returns true
+        every { AuthManager.isModelProviderShown() } returns false
         every { AuthManager.isAutoReconnect() } returns false
         every { AuthManager.isRestoreLastSession() } returns false
         every { AuthManager.getLastOpenedSessionId() } returns null

app/src/test/java/com/m57/hermescontrol/ui/settings/SettingsViewModelTest.kt

@@ -77,6 +77,7 @@ class SettingsViewModelTest {
         every { AuthManager.isUserMessageTokensEnabled() } returns true
         every { AuthManager.isAssistantMessageTokensEnabled() } returns true
         every { AuthManager.isTokensPerSecondEnabled() } returns true
+        every { AuthManager.isModelProviderShown() } returns false
         every { AuthManager.getConnectionProfiles() } returns emptyList()
         every { AuthManager.getSelectedProfileId() } answers { storedSelectedProfileId }
         every { AuthManager.baseUrl() } returns "http://127.0.0.1:9119/"
@@ -93,6 +94,7 @@ class SettingsViewModelTest {
         every { AuthManager.setUserMessageTokensEnabled(any()) } returns Unit
         every { AuthManager.setAssistantMessageTokensEnabled(any()) } returns Unit
         every { AuthManager.setTokensPerSecondEnabled(any()) } returns Unit
+        every { AuthManager.setModelProviderShown(any()) } returns Unit
         every { AuthManager.setSelectedProfileId(any()) } answers {
             storedSelectedProfileId = firstArg()
         }
@@ -327,4 +329,37 @@ class SettingsViewModelTest {
 
         verify { AuthManager.clearLastOpenedSessionIdsForConnection("prof-1") }
     }
+
+    @Test
+    fun testShowModelProvider_loadsAndTogglesImmediately() =
+        runTest {
+            every { AuthManager.isModelProviderShown() } returns false
+
+            val viewModel = SettingsViewModel(ioDispatcher = testDispatcher)
+            testDispatcher.scheduler.advanceUntilIdle()
+            assertEquals(false, viewModel.uiState.value.showModelProvider)
+
+            viewModel.onShowModelProviderChange(true)
+            assertEquals(true, viewModel.uiState.value.showModelProvider)
+            assertEquals(false, viewModel.uiState.value.isSaved)
+            verify { AuthManager.setModelProviderShown(true) }
+
+            viewModel.onShowModelProviderChange(false)
+            assertEquals(false, viewModel.uiState.value.showModelProvider)
+            verify { AuthManager.setModelProviderShown(false) }
+        }
+
+    @Test
+    fun testSave_persistsShowModelProvider() =
+        runTest {
+            val viewModel = SettingsViewModel(ioDispatcher = testDispatcher)
+            testDispatcher.scheduler.advanceUntilIdle()
+
+            viewModel.onShowModelProviderChange(true)
+            viewModel.save()
+            testDispatcher.scheduler.advanceUntilIdle()
+
+            verify { AuthManager.setModelProviderShown(true) }
+            assertEquals(true, viewModel.uiState.value.isSaved)
+        }
 }