feat: add week 3 audio and timeline enhancements

backend/app/api/profiles.py

@@ -10,7 +10,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.deps import require_user
 from app.db.database import get_db
-from app.db.models import ChildProfile, Story, StoryUniverse, User
+from app.db.models import ChildProfile, MemoryItem, ReadingEvent, Story, StoryUniverse, User
 
 router = APIRouter()
 
@@ -67,7 +67,7 @@ class TimelineEvent(BaseModel):
     """Timeline event item."""
 
     date: str
-    type: Literal["story", "achievement", "milestone"]
+    type: Literal["story", "achievement", "milestone", "reading_event", "memory"]
     title: str
     description: str | None = None
     image_url: str | None = None
@@ -241,7 +241,10 @@ async def get_profile_timeline(
 
     # 2. Stories
     stories_result = await db.execute(
-        select(Story).where(Story.child_profile_id == profile_id)
+        select(Story).where(
+            Story.child_profile_id == profile_id,
+            Story.user_id == user.id,
+        )
     )
     for s in stories_result.scalars():
         events.append(TimelineEvent(
@@ -252,7 +255,89 @@ async def get_profile_timeline(
             metadata={"story_id": s.id, "mode": s.mode}
         ))
 
-    # 3. Achievements (from Universe)
+    # 3. Reading events
+    reading_result = await db.execute(
+        select(ReadingEvent, Story)
+        .outerjoin(Story, ReadingEvent.story_id == Story.id)
+        .where(ReadingEvent.child_profile_id == profile_id)
+        .order_by(ReadingEvent.created_at.desc())
+    )
+    reading_labels = {
+        "started": "开始阅读",
+        "completed": "读完故事",
+        "replayed": "再次阅读",
+        "skipped": "暂时跳过",
+    }
+    for reading_event, story in reading_result.all():
+        story_title = story.title if story else "未关联故事"
+        duration = (
+            f"阅读 {reading_event.reading_time} 秒"
+            if reading_event.reading_time
+            else "记录了一次阅读行为"
+        )
+        events.append(
+            TimelineEvent(
+                date=reading_event.created_at.isoformat(),
+                type="reading_event",
+                title=reading_labels.get(reading_event.event_type, "阅读记录"),
+                description=f"{story_title} · {duration}",
+                image_url=story.image_url if story else None,
+                metadata={
+                    "story_id": reading_event.story_id,
+                    "mode": story.mode if story else None,
+                    "event_type": reading_event.event_type,
+                    "reading_time": reading_event.reading_time,
+                },
+            )
+        )
+
+    # 4. Memory items
+    memories_result = await db.execute(
+        select(MemoryItem)
+        .where(MemoryItem.child_profile_id == profile_id)
+        .order_by(MemoryItem.created_at.desc())
+        .limit(20)
+    )
+    memory_labels = {
+        "recent_story": "近期故事记忆",
+        "favorite_character": "喜欢的角色",
+        "scary_element": "回避元素",
+        "vocabulary_growth": "词汇积累",
+        "emotional_highlight": "情感高光",
+        "reading_preference": "阅读偏好",
+        "milestone": "成长里程碑",
+        "skill_mastered": "掌握的技能",
+    }
+    for memory in memories_result.scalars():
+        value = memory.value or {}
+        title = str(
+            value.get("title")
+            or value.get("name")
+            or value.get("keyword")
+            or value.get("description")
+            or memory_labels.get(memory.type, memory.type)
+        )
+        events.append(
+            TimelineEvent(
+                date=memory.created_at.isoformat(),
+                type="memory",
+                title=f"记忆沉淀：{memory_labels.get(memory.type, memory.type)}",
+                description=title,
+                image_url=(
+                    value.get("image_url")
+                    if isinstance(value.get("image_url"), str)
+                    else None
+                ),
+                metadata={
+                    "memory_id": memory.id,
+                    "memory_type": memory.type,
+                    "story_id": value.get("story_id") or value.get("source_story_id"),
+                    "mode": value.get("mode"),
+                },
+            )
+        )
+
+    # 5. Achievements (from Universe)
     universes_result = await db.execute(
         select(StoryUniverse).where(StoryUniverse.child_profile_id == profile_id)
     )