修复：CI 部署环境与 ref 错配、迁移碎片化、图片意图 source_span、章节物化脏版式、会话历史与本地语音不一致

新增：TTS 上传 COS 与分片、章节 reading_segments 物化与快照、markdown 清洗、会话消息 repository、语音 store 重构与相关测试

app-expo/src/features/conversation/hooks.ts

@@ -5,17 +5,20 @@ import { useCallback, useEffect, useRef, useState } from 'react';
 import type { WsConnectionState } from '@/core/ws/types';
 
 import { conversationApi } from './api';
+import { conversationMessagesRepository } from './conversation-messages-repository';
 import { conversationKeys } from './query-keys';
 import {
   RealtimeSession,
   type ErrorCallback,
   type StreamingTextCallback,
+  type TtsSegmentPayload,
 } from './realtime-session';
-import type {
-  ConversationListItem,
-  MessageItem,
-  StreamingAgentMessage,
+import {
+  type ConversationListItem,
+  type MessageItem,
+  type StreamingAgentMessage,
 } from './types';
+import { voiceSegmentStore } from '@/features/voice/voice-segment-store';
 
 // ─── Query hooks ───
 
@@ -38,7 +41,7 @@ export function useConversationDetail(conversationId: string) {
 export function useMessages(conversationId: string) {
   return useQuery({
     queryKey: conversationKeys.messages(conversationId),
-    queryFn: () => conversationApi.messages(conversationId),
+    queryFn: () => conversationMessagesRepository.loadMessages(conversationId),
     enabled: !!conversationId,
   });
 }
@@ -76,7 +79,8 @@ export function useDeleteConversation() {
   return useMutation({
     mutationFn: (conversationId: string) =>
       conversationApi.delete(conversationId),
-    onSuccess: (_, conversationId) => {
+    onSuccess: async (_, conversationId) => {
+      await voiceSegmentStore.clearConversation(conversationId);
       queryClient.setQueryData<ConversationListItem[]>(
         conversationKeys.lists(),
         (old) => old?.filter((item) => item.id !== conversationId),
@@ -112,7 +116,7 @@ export function useEndConversation() {
 interface UseRealtimeSessionOptions {
   conversationId: string;
   enabled?: boolean;
-  onTtsAudio?: (audioBase64: string) => void;
+  onTtsSegment?: (payload: TtsSegmentPayload) => void;
 }
 
 const MIN_RECORDING_DURATION_SEC = 1;
@@ -137,7 +141,7 @@ interface RealtimeSessionState {
 export function useRealtimeSession({
   conversationId,
   enabled = true,
-  onTtsAudio,
+  onTtsSegment,
 }: UseRealtimeSessionOptions): RealtimeSessionState {
   const queryClient = useQueryClient();
   const sessionRef = useRef<RealtimeSession | null>(null);
@@ -170,7 +174,7 @@ export function useRealtimeSession({
       conversationId,
       queryClient,
       onStreamingText: handleStreamingText,
-      onTtsAudio,
+      onTtsSegment,
       onError: handleError,
       onStateChange: setConnectionState,
     });
@@ -190,7 +194,7 @@ export function useRealtimeSession({
     queryClient,
     handleStreamingText,
     handleError,
-    onTtsAudio,
+    onTtsSegment,
   ]);
 
   const sendText = useCallback(
@@ -249,6 +253,12 @@ export function useRealtimeSession({
         }
 
         const localId = `pending_voice_${Date.now()}`;
+        await voiceSegmentStore.recordSentSegment({
+          voiceSessionId,
+          conversationId,
+          fileUri: uri,
+          durationMs,
+        });
         queryClient.setQueryData<MessageItem[]>(
           conversationKeys.messages(conversationId),
           (old) => {
@@ -259,6 +269,7 @@ export function useRealtimeSession({
               senderType: 'user',
               timestamp: Date.now(),
               messageType: 'voice',
+              voiceSessionId,
               durationSeconds: durationSec,
               audioUri: uri,
             };