diff --git a/apps/server/docs/ai-context/metrics-ownership.md b/apps/server/docs/ai-context/metrics-ownership.md
index 8b3f82c4b..c12a0c03e 100644
--- a/apps/server/docs/ai-context/metrics-ownership.md
+++ b/apps/server/docs/ai-context/metrics-ownership.md
@@ -125,6 +125,9 @@
 | Activation / Retention | `first_model_selected` / `model_switched` | 前端（consciousness store watcher） | `packages/stage-ui/src/stores/analytics/index.ts` | PostHog |
 | Retention | `character_created` | 前端 | `apps/stage-web/src/pages/settings/characters/components/CharacterDialog.vue` | PostHog |
 | Retention | `chat_session_started` | 前端 | `packages/stage-ui/src/components/scenarios/chat/components/sessions-drawer.vue` | PostHog |
+| Conversation controls | `chat_session_selected` | 前端 | `packages/stage-ui/src/components/scenarios/chat/components/sessions-drawer.vue` | PostHog |
+| Conversation controls | `chat_message_deleted` / `chat_messages_cleared` / `chat_message_retried` | 前端 | `packages/stage-layouts/src/components/Layouts/*InteractiveArea.vue` / `packages/stage-layouts/src/components/Widgets/ChatActionButtons.vue` / `apps/stage-tamagotchi/src/renderer/components/InteractiveArea.vue` | PostHog |
+| Conversation controls | `tts_stop_clicked` | 前端 | `packages/stage-layouts/src/composables/useStopSpeakingButton.ts` | PostHog |
 | Churn | `subscription_cancelled`（带 cancellation_reason） | 外部 Stripe 数据源 | PostHog Stripe source connector | Stripe/Postgres |
 | 老事件 | `provider_card_clicked` / `first_message_sent` | 前端 | `packages/stage-ui/src/composables/use-analytics.ts` | PostHog |
 
diff --git a/apps/stage-tamagotchi/src/renderer/components/InteractiveArea.vue b/apps/stage-tamagotchi/src/renderer/components/InteractiveArea.vue
index 620e4d9d6..1b3b350b5 100644
--- a/apps/stage-tamagotchi/src/renderer/components/InteractiveArea.vue
+++ b/apps/stage-tamagotchi/src/renderer/components/InteractiveArea.vue
@@ -5,6 +5,7 @@ import type { ChatHistoryItem } from '@proj-airi/stage-ui/types/chat'
 import { errorMessageFrom } from '@moeru/std'
 import { useStopSpeakingButton } from '@proj-airi/stage-layouts/composables/useStopSpeakingButton'
 import { ChatHistory, JournalPreviewModal } from '@proj-airi/stage-ui/components'
+import { useAnalytics } from '@proj-airi/stage-ui/composables/use-analytics'
 import { useBackgroundStore } from '@proj-airi/stage-ui/stores/background'
 import { useChatOrchestratorStore } from '@proj-airi/stage-ui/stores/chat'
 import { useChatSessionStore } from '@proj-airi/stage-ui/stores/chat/session-store'
@@ -57,7 +58,12 @@ const sendModeLabels = computed<Record<SendMode, string>>(() => ({
   'ctrl-enter': t('stage.send-mode.ctrl-enter'),
   'double-enter': t('stage.send-mode.double-enter'),
 }))
-const { showStopSpeakingButton, stopSpeakingFromChat } = useStopSpeakingButton()
+const {
+  trackChatMessageDeleted,
+  trackChatMessageRetried,
+  trackChatMessagesCleared,
+} = useAnalytics()
+const { showStopSpeakingButton, stopSpeakingFromChat } = useStopSpeakingButton('electron')
 
 const latestImageEntries = computed(() => {
   if (!activeCardId.value)
@@ -198,7 +204,13 @@ watch(sendMode, () => {
 const historyMessages = computed(() => messages.value as unknown as ChatHistoryItem[])
 
 async function handleDeleteMessage(index: number) {
+  const message = messages.value[index]
   await chatSyncStore.requestDeleteMessage({ index })
+  trackChatMessageDeleted({
+    surface: 'electron',
+    source: 'history',
+    message_role: message?.role ?? 'unknown',
+  })
 }
 
 onMounted(() => {
@@ -210,6 +222,20 @@ async function handleRetryMessage(index: number) {
     sessionId: chatSession.activeSessionId,
     index,
   })
+  trackChatMessageRetried({
+    surface: 'electron',
+    source: 'history',
+  })
+}
+
+async function handleCleanupMessages() {
+  const messageCount = messages.value.filter(message => message.role !== 'system').length
+  await chatSyncStore.requestCleanup()
+  trackChatMessagesCleared({
+    surface: 'electron',
+    source: 'chat_controls',
+    message_count: messageCount,
+  })
 }
 </script>
 
@@ -351,7 +377,7 @@ async function handleRetryMessage(index: number) {
         hover:text="red-500 dark:red-400"
         flex items-center justify-center rounded-md p-2 outline-none
         transition-colors transition-transform active:scale-95
-        @click="() => chatSyncStore.requestCleanup()"
+        @click="handleCleanupMessages"
       >
         <div class="i-solar:trash-bin-2-bold-duotone" />
       </button>
diff --git a/packages/stage-layouts/src/components/Layouts/InteractiveArea.vue b/packages/stage-layouts/src/components/Layouts/InteractiveArea.vue
index f33465c2e..e515ed2cb 100644
--- a/packages/stage-layouts/src/components/Layouts/InteractiveArea.vue
+++ b/packages/stage-layouts/src/components/Layouts/InteractiveArea.vue
@@ -2,6 +2,7 @@
 import type { ChatHistoryItem } from '@proj-airi/stage-ui/types/chat'
 
 import { ChatHistory } from '@proj-airi/stage-ui/components'
+import { useAnalytics } from '@proj-airi/stage-ui/composables/use-analytics'
 import { useChatOrchestratorStore } from '@proj-airi/stage-ui/stores/chat'
 import { useChatSessionStore } from '@proj-airi/stage-ui/stores/chat/session-store'
 import { useChatStreamStore } from '@proj-airi/stage-ui/stores/chat/stream-store'
@@ -20,9 +21,16 @@ const { streamingMessage } = storeToRefs(useChatStreamStore())
 
 const isLoading = ref(true)
 const historyMessages = computed(() => messages.value as unknown as ChatHistoryItem[])
+const { trackChatMessageDeleted } = useAnalytics()
 
 function handleDeleteMessage(index: number) {
+  const message = messages.value[index]
   messages.value = messages.value.filter((_, messageIndex) => messageIndex !== index)
+  trackChatMessageDeleted({
+    surface: 'web',
+    source: 'history',
+    message_role: message?.role ?? 'unknown',
+  })
 }
 </script>
 
diff --git a/packages/stage-layouts/src/components/Layouts/MobileInteractiveArea.vue b/packages/stage-layouts/src/components/Layouts/MobileInteractiveArea.vue
index 09ced3276..81b6323f5 100644
--- a/packages/stage-layouts/src/components/Layouts/MobileInteractiveArea.vue
+++ b/packages/stage-layouts/src/components/Layouts/MobileInteractiveArea.vue
@@ -6,7 +6,7 @@ import { isStageTamagotchi } from '@proj-airi/stage-shared'
 import { useThreeViewControl } from '@proj-airi/stage-ui-three'
 import { ChatHistory, HearingConfigDialog } from '@proj-airi/stage-ui/components'
 import { ChatSessionsDrawer } from '@proj-airi/stage-ui/components/scenarios/chat'
-import { useAudioAnalyzer } from '@proj-airi/stage-ui/composables'
+import { useAnalytics, useAudioAnalyzer } from '@proj-airi/stage-ui/composables'
 import { useAudioContext } from '@proj-airi/stage-ui/stores/audio'
 import { useChatOrchestratorStore } from '@proj-airi/stage-ui/stores/chat'
 import { useChatMaintenanceStore } from '@proj-airi/stage-ui/stores/chat/maintenance'
@@ -40,9 +40,26 @@ const { messages } = storeToRefs(chatSession)
 const { streamingMessage } = storeToRefs(chatStream)
 const { sending } = storeToRefs(chatOrchestrator)
 const historyMessages = computed(() => messages.value as unknown as ChatHistoryItem[])
+const { trackChatMessageDeleted, trackChatMessagesCleared } = useAnalytics()
 
 function handleDeleteMessage(index: number) {
+  const message = messages.value[index]
   messages.value = messages.value.filter((_, messageIndex) => messageIndex !== index)
+  trackChatMessageDeleted({
+    surface: 'mobile',
+    source: 'history',
+    message_role: message?.role ?? 'unknown',
+  })
+}
+
+function handleCleanupMessages() {
+  const messageCount = messages.value.filter(message => message.role !== 'system').length
+  cleanupMessages()
+  trackChatMessagesCleared({
+    surface: 'mobile',
+    source: 'chat_controls',
+    message_count: messageCount,
+  })
 }
 
 const messageInput = ref('')
@@ -77,7 +94,7 @@ const { isListening, startStreamingTranscription, stopStreamingTranscription } =
     isStageTamagotchi,
   },
 )
-const { showStopSpeakingButton, stopSpeakingFromChat } = useStopSpeakingButton()
+const { showStopSpeakingButton, stopSpeakingFromChat } = useStopSpeakingButton('mobile')
 const toggleTranscription = () => isListening.value ? stopStreamingTranscription() : startStreamingTranscription()
 
 async function handleSubmit() {
@@ -232,7 +249,7 @@ onMounted(() => {
             bg="neutral-50/70 dark:neutral-800/70"
             w-fit flex items-center self-end justify-center rounded-xl p-2 backdrop-blur-md
             title="Cleanup Messages"
-            @click="cleanupMessages()"
+            @click="handleCleanupMessages"
           >
             <div class="i-solar:trash-bin-2-bold-duotone" />
           </button>
diff --git a/packages/stage-layouts/src/components/Widgets/ChatActionButtons.vue b/packages/stage-layouts/src/components/Widgets/ChatActionButtons.vue
index d0133d488..1871be0c4 100644
--- a/packages/stage-layouts/src/components/Widgets/ChatActionButtons.vue
+++ b/packages/stage-layouts/src/components/Widgets/ChatActionButtons.vue
@@ -1,6 +1,9 @@
 <script setup lang="ts">
+import { useAnalytics } from '@proj-airi/stage-ui/composables/use-analytics'
 import { useChatMaintenanceStore } from '@proj-airi/stage-ui/stores/chat/maintenance'
+import { useChatSessionStore } from '@proj-airi/stage-ui/stores/chat/session-store'
 import { useTheme } from '@proj-airi/ui'
+import { storeToRefs } from 'pinia'
 import { ref } from 'vue'
 
 import ViewControls from '../Layouts/InteractiveArea/Actions/ViewControls.vue'
@@ -8,9 +11,21 @@ import ViewControls from '../Layouts/InteractiveArea/Actions/ViewControls.vue'
 import { BackgroundDialogPicker } from '../Backgrounds'
 
 const { cleanupMessages } = useChatMaintenanceStore()
+const { messages } = storeToRefs(useChatSessionStore())
+const { trackChatMessagesCleared } = useAnalytics()
 const { isDark, toggleDark } = useTheme()
 
 const backgroundDialogOpen = ref(false)
+
+function handleCleanupMessages() {
+  const messageCount = messages.value.filter(message => message.role !== 'system').length
+  cleanupMessages()
+  trackChatMessagesCleared({
+    surface: 'web',
+    source: 'chat_controls',
+    message_count: messageCount,
+  })
+}
 </script>
 
 <template>
@@ -24,7 +39,7 @@ const backgroundDialogOpen = ref(false)
       hover:text="red-500 dark:red-400"
       flex items-center justify-center rounded-md p-2 outline-none
       transition-colors transition-transform active:scale-95
-      @click="cleanupMessages()"
+      @click="handleCleanupMessages"
     >
       <div class="i-solar:trash-bin-2-bold-duotone" />
     </button>
diff --git a/packages/stage-layouts/src/components/Widgets/ChatArea.vue b/packages/stage-layouts/src/components/Widgets/ChatArea.vue
index 4d88feb60..bd0300d18 100644
--- a/packages/stage-layouts/src/components/Widgets/ChatArea.vue
+++ b/packages/stage-layouts/src/components/Widgets/ChatArea.vue
@@ -60,7 +60,7 @@ const { isListening, startStreamingTranscription, stopStreamingTranscription, au
     isStageTamagotchi,
   },
 )
-const { showStopSpeakingButton, stopSpeakingFromChat } = useStopSpeakingButton()
+const { showStopSpeakingButton, stopSpeakingFromChat } = useStopSpeakingButton('web')
 
 async function handleSend() {
   if (!messageInput.value.trim() || isComposing.value) {
diff --git a/packages/stage-layouts/src/composables/useStopSpeakingButton.test.ts b/packages/stage-layouts/src/composables/useStopSpeakingButton.test.ts
index 921d121fe..631e1902a 100644
--- a/packages/stage-layouts/src/composables/useStopSpeakingButton.test.ts
+++ b/packages/stage-layouts/src/composables/useStopSpeakingButton.test.ts
@@ -5,6 +5,7 @@ import { useStopSpeakingButton } from './useStopSpeakingButton'
 
 const nowSpeaking = ref(false)
 const requestStopSpeakingMock = vi.fn()
+const trackTtsStopClickedMock = vi.fn()
 
 vi.mock('@proj-airi/stage-ui/stores/audio', () => ({
   useSpeakingStore: () => ({
@@ -18,6 +19,12 @@ vi.mock('@proj-airi/stage-ui/stores/speech-output-control', () => ({
   }),
 }))
 
+vi.mock('@proj-airi/stage-ui/composables/use-analytics', () => ({
+  useAnalytics: () => ({
+    trackTtsStopClicked: trackTtsStopClickedMock,
+  }),
+}))
+
 vi.mock('pinia', () => ({
   storeToRefs: (store: object) => store,
 }))
@@ -26,7 +33,7 @@ describe('useStopSpeakingButton', () => {
   it('shows the manual stop button only while the assistant is speaking', () => {
     nowSpeaking.value = false
 
-    const { showStopSpeakingButton } = useStopSpeakingButton()
+    const { showStopSpeakingButton } = useStopSpeakingButton('web')
 
     expect(showStopSpeakingButton.value).toBe(false)
 
@@ -37,11 +44,16 @@ describe('useStopSpeakingButton', () => {
 
   it('requests a manual chat stop without touching chat input state', () => {
     requestStopSpeakingMock.mockClear()
+    trackTtsStopClickedMock.mockClear()
 
-    const { stopSpeakingFromChat } = useStopSpeakingButton()
+    const { stopSpeakingFromChat } = useStopSpeakingButton('mobile')
 
     stopSpeakingFromChat()
 
     expect(requestStopSpeakingMock).toHaveBeenCalledWith('manual-chat')
+    expect(trackTtsStopClickedMock).toHaveBeenCalledWith({
+      surface: 'mobile',
+      reason: 'manual-chat',
+    })
   })
 })
diff --git a/packages/stage-layouts/src/composables/useStopSpeakingButton.ts b/packages/stage-layouts/src/composables/useStopSpeakingButton.ts
index f34f15318..ea35562dc 100644
--- a/packages/stage-layouts/src/composables/useStopSpeakingButton.ts
+++ b/packages/stage-layouts/src/composables/useStopSpeakingButton.ts
@@ -1,3 +1,6 @@
+import type { ConversationAnalyticsSurface } from '@proj-airi/stage-ui/composables/use-analytics'
+
+import { useAnalytics } from '@proj-airi/stage-ui/composables/use-analytics'
 import { useSpeakingStore } from '@proj-airi/stage-ui/stores/audio'
 import { useSpeechOutputControlStore } from '@proj-airi/stage-ui/stores/speech-output-control'
 import { storeToRefs } from 'pinia'
@@ -15,13 +18,15 @@ import { computed } from 'vue'
  * Returns:
  * - Visibility state for the button and a click handler for manual chat stops.
  */
-export function useStopSpeakingButton() {
+export function useStopSpeakingButton(surface: ConversationAnalyticsSurface) {
   const { nowSpeaking } = storeToRefs(useSpeakingStore())
   const speechOutputControlStore = useSpeechOutputControlStore()
+  const { trackTtsStopClicked } = useAnalytics()
 
   const showStopSpeakingButton = computed(() => nowSpeaking.value)
 
   function stopSpeakingFromChat() {
+    trackTtsStopClicked({ surface, reason: 'manual-chat' })
     speechOutputControlStore.requestStopSpeaking('manual-chat')
   }
 
diff --git a/packages/stage-ui/src/components/scenarios/chat/components/sessions-drawer.vue b/packages/stage-ui/src/components/scenarios/chat/components/sessions-drawer.vue
index fda508a65..2967ade77 100644
--- a/packages/stage-ui/src/components/scenarios/chat/components/sessions-drawer.vue
+++ b/packages/stage-ui/src/components/scenarios/chat/components/sessions-drawer.vue
@@ -47,7 +47,7 @@ const { sessionMetas, sessionMessages, activeSessionId } = storeToRefs(chatSessi
 const { activeCardId } = storeToRefs(useAiriCardStore())
 const { userId } = storeToRefs(useAuthStore())
 const { activeModel } = storeToRefs(useConsciousnessStore())
-const { trackChatSessionStarted } = useAnalytics()
+const { trackChatSessionSelected, trackChatSessionStarted } = useAnalytics()
 
 // Re-entry guard for the "new session" button. Without this, a rapid
 // double-click would call `createSession` twice (creating two orphan
@@ -154,6 +154,15 @@ const rows = computed<SessionRow[]>(() => {
 })
 
 async function selectSession(sessionId: string) {
+  const selectedRow = rows.value.find(row => row.meta.sessionId === sessionId)
+  if (sessionId !== activeSessionId.value && selectedRow) {
+    trackChatSessionSelected({
+      surface: isDesktop.value ? 'web' : 'mobile',
+      source: 'sessions_drawer',
+      message_count: (sessionMessages.value[sessionId] ?? []).filter(message => message.role !== 'system').length,
+      cloud_synced: !!selectedRow.meta.cloudChatId,
+    })
+  }
   chatSession.setActiveSession(sessionId)
   showDialog.value = false
 }
diff --git a/packages/stage-ui/src/composables/use-analytics.test.ts b/packages/stage-ui/src/composables/use-analytics.test.ts
new file mode 100644
index 000000000..d0ca05763
--- /dev/null
+++ b/packages/stage-ui/src/composables/use-analytics.test.ts
@@ -0,0 +1,127 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { ref } from 'vue'
+
+import { useAnalytics } from './use-analytics'
+
+const analyticsMocks = vi.hoisted(() => ({
+  ensurePosthogInitializedMock: vi.fn(() => true),
+  isPosthogAvailableInBuildMock: vi.fn(() => true),
+  markFirstMessageTrackedMock: vi.fn(),
+  posthogCaptureMock: vi.fn(),
+}))
+
+vi.mock('posthog-js', () => ({
+  default: {
+    capture: analyticsMocks.posthogCaptureMock,
+  },
+}))
+
+vi.mock('vue-i18n', () => ({
+  useI18n: () => ({
+    locale: ref('en'),
+  }),
+}))
+
+vi.mock('../stores/analytics', () => ({
+  useSharedAnalyticsStore: () => ({
+    appStartTime: null,
+    firstMessageTracked: false,
+    markFirstMessageTracked: analyticsMocks.markFirstMessageTrackedMock,
+  }),
+}))
+
+vi.mock('../stores/analytics/posthog', () => ({
+  ensurePosthogInitialized: analyticsMocks.ensurePosthogInitializedMock,
+  isPosthogAvailableInBuild: analyticsMocks.isPosthogAvailableInBuildMock,
+}))
+
+vi.mock('../stores/analytics/privacy-policy', () => ({
+  getAnalyticsPrivacyPolicyUrl: () => 'https://example.com/privacy',
+}))
+
+vi.mock('../stores/settings/analytics', () => ({
+  useSettingsAnalytics: () => ({
+    analyticsEnabled: true,
+  }),
+}))
+
+vi.mock('../stores/settings/general', () => ({
+  useSettingsGeneral: () => ({
+    language: 'en',
+  }),
+}))
+
+describe('useAnalytics conversation product events', () => {
+  beforeEach(() => {
+    analyticsMocks.posthogCaptureMock.mockClear()
+    analyticsMocks.markFirstMessageTrackedMock.mockClear()
+    analyticsMocks.ensurePosthogInitializedMock.mockClear()
+    analyticsMocks.isPosthogAvailableInBuildMock.mockClear()
+  })
+
+  it('tracks manual TTS stop clicks with the UI surface and reason', () => {
+    const analytics = useAnalytics()
+
+    analytics.trackTtsStopClicked({
+      surface: 'mobile',
+      reason: 'manual-chat',
+    })
+
+    expect(analyticsMocks.posthogCaptureMock).toHaveBeenCalledWith('tts_stop_clicked', {
+      surface: 'mobile',
+      reason: 'manual-chat',
+    })
+  })
+
+  it('tracks chat session selection from the sessions drawer', () => {
+    const analytics = useAnalytics()
+
+    analytics.trackChatSessionSelected({
+      surface: 'web',
+      source: 'sessions_drawer',
+      message_count: 4,
+      cloud_synced: true,
+    })
+
+    expect(analyticsMocks.posthogCaptureMock).toHaveBeenCalledWith('chat_session_selected', {
+      surface: 'web',
+      source: 'sessions_drawer',
+      message_count: 4,
+      cloud_synced: true,
+    })
+  })
+
+  it('tracks destructive and recovery chat message actions', () => {
+    const analytics = useAnalytics()
+
+    analytics.trackChatMessageDeleted({
+      surface: 'electron',
+      source: 'history',
+      message_role: 'assistant',
+    })
+    analytics.trackChatMessagesCleared({
+      surface: 'electron',
+      source: 'chat_controls',
+      message_count: 3,
+    })
+    analytics.trackChatMessageRetried({
+      surface: 'electron',
+      source: 'history',
+    })
+
+    expect(analyticsMocks.posthogCaptureMock).toHaveBeenNthCalledWith(1, 'chat_message_deleted', {
+      surface: 'electron',
+      source: 'history',
+      message_role: 'assistant',
+    })
+    expect(analyticsMocks.posthogCaptureMock).toHaveBeenNthCalledWith(2, 'chat_messages_cleared', {
+      surface: 'electron',
+      source: 'chat_controls',
+      message_count: 3,
+    })
+    expect(analyticsMocks.posthogCaptureMock).toHaveBeenNthCalledWith(3, 'chat_message_retried', {
+      surface: 'electron',
+      source: 'history',
+    })
+  })
+})
diff --git a/packages/stage-ui/src/composables/use-analytics.ts b/packages/stage-ui/src/composables/use-analytics.ts
index 52ab87d48..ac4e99128 100644
--- a/packages/stage-ui/src/composables/use-analytics.ts
+++ b/packages/stage-ui/src/composables/use-analytics.ts
@@ -9,6 +9,16 @@ import { getAnalyticsPrivacyPolicyUrl } from '../stores/analytics/privacy-policy
 import { useSettingsAnalytics } from '../stores/settings/analytics'
 import { useSettingsGeneral } from '../stores/settings/general'
 
+/**
+ * User-facing chat surfaces that can emit product analytics.
+ */
+export type ConversationAnalyticsSurface = 'web' | 'mobile' | 'electron'
+
+/**
+ * Low-cardinality source names for conversation action events.
+ */
+export type ConversationAnalyticsSource = 'chat_controls' | 'history' | 'sessions_drawer'
+
 export function useAnalytics() {
   const analyticsStore = useSharedAnalyticsStore()
   const settingsAnalytics = useSettingsAnalytics()
@@ -207,6 +217,38 @@ export function useAnalytics() {
     posthog.capture('message_round', properties)
   }
 
+  // ─── Conversation action events ─────────────────────────────────────
+
+  function trackTtsStopClicked(properties: { surface: ConversationAnalyticsSurface, reason: 'manual-chat' }) {
+    if (!canCapture())
+      return
+    posthog.capture('tts_stop_clicked', properties)
+  }
+
+  function trackChatSessionSelected(properties: { surface: ConversationAnalyticsSurface, source: 'sessions_drawer', message_count: number, cloud_synced: boolean }) {
+    if (!canCapture())
+      return
+    posthog.capture('chat_session_selected', properties)
+  }
+
+  function trackChatMessageDeleted(properties: { surface: ConversationAnalyticsSurface, source: 'history', message_role: string }) {
+    if (!canCapture())
+      return
+    posthog.capture('chat_message_deleted', properties)
+  }
+
+  function trackChatMessagesCleared(properties: { surface: ConversationAnalyticsSurface, source: 'chat_controls', message_count: number }) {
+    if (!canCapture())
+      return
+    posthog.capture('chat_messages_cleared', properties)
+  }
+
+  function trackChatMessageRetried(properties: { surface: ConversationAnalyticsSurface, source: 'history' }) {
+    if (!canCapture())
+      return
+    posthog.capture('chat_message_retried', properties)
+  }
+
   // ─── STT events ──────────────────────────────────────────────────────
 
   function trackSttStarted(provider: string) {
@@ -362,6 +404,11 @@ export function useAnalytics() {
     trackLlmFirstToken,
     trackAssistantResponseRendered,
     trackMessageRound,
+    trackTtsStopClicked,
+    trackChatSessionSelected,
+    trackChatMessageDeleted,
+    trackChatMessagesCleared,
+    trackChatMessageRetried,
 
     trackSttStarted,
     trackSttSucceeded,