chore: retire demo technical debt

backend/app/api/memories.py

@@ -1,7 +1,7 @@
 """Memory management APIs."""
 
 from fastapi import APIRouter, Depends, HTTPException
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.deps import require_user
@@ -13,10 +13,12 @@ from app.services.memory_service import MemoryType
 router = APIRouter()
 
 
-class MemoryItemResponse(BaseModel):
-    """Memory item response."""
-
-    id: str
+class MemoryItemResponse(BaseModel):
+    """Memory item response."""
+
+    model_config = ConfigDict(from_attributes=True)
+
+    id: str
     type: str
     value: dict
     base_weight: float
@@ -24,11 +26,8 @@ class MemoryItemResponse(BaseModel):
     created_at: str
     last_used_at: str | None
 
-    class Config:
-        from_attributes = True
-
-
-class MemoryListResponse(BaseModel):
+
+class MemoryListResponse(BaseModel):
     """Memory list response."""
 
     memories: list[MemoryItemResponse]

backend/app/api/profiles.py

@@ -4,7 +4,7 @@ from datetime import date
 from typing import Literal
 
 from fastapi import APIRouter, Depends, HTTPException, status
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from sqlalchemy import func, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -42,6 +42,8 @@ class ChildProfileUpdate(BaseModel):
 class ChildProfileResponse(BaseModel):
     """Profile response."""
 
+    model_config = ConfigDict(from_attributes=True)
+
     id: str
     name: str
     avatar_url: str | None
@@ -53,9 +55,6 @@ class ChildProfileResponse(BaseModel):
     stories_count: int
     total_reading_time: int
 
-    class Config:
-        from_attributes = True
-
 
 class ChildProfileListResponse(BaseModel):
     """Profile list response."""

backend/app/api/push_configs.py

@@ -3,7 +3,7 @@
 from datetime import time
 
 from fastapi import APIRouter, Depends, HTTPException, Response, status
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -26,15 +26,14 @@ class PushConfigUpsert(BaseModel):
 class PushConfigResponse(BaseModel):
     """Push config response."""
 
+    model_config = ConfigDict(from_attributes=True)
+
     id: str
     child_profile_id: str
     push_time: time | None
     push_days: list[int]
     enabled: bool
 
-    class Config:
-        from_attributes = True
-
 
 class PushConfigListResponse(BaseModel):
     """Push config list response."""

backend/app/api/reading_events.py

@@ -4,7 +4,7 @@ from datetime import datetime, timezone
 from typing import Literal
 
 from fastapi import APIRouter, Depends, HTTPException, status
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -34,6 +34,8 @@ class ReadingEventCreate(BaseModel):
 class ReadingEventResponse(BaseModel):
     """Reading event response."""
 
+    model_config = ConfigDict(from_attributes=True)
+
     id: int
     child_profile_id: str
     story_id: int | None
@@ -41,9 +43,6 @@ class ReadingEventResponse(BaseModel):
     reading_time: int
     created_at: datetime
 
-    class Config:
-        from_attributes = True
-
 
 @router.post(
     "/reading-events",

backend/app/api/stories.py

@@ -247,10 +247,8 @@ async def generate_storybook_api(
     return await story_service.generate_storybook_service(request, user.id, db)
 
 
-# ==================== Missing Endpoints (Issue #5) ====================
-
-@router.get("/stories", response_model=list[StoryListItem])
-async def list_stories(
+@router.get("/stories", response_model=list[StoryListItem])
+async def list_stories(
     limit: int = 20,
     offset: int = 0,
     user: User = Depends(require_user),

backend/app/api/universes.py

@@ -3,7 +3,7 @@
 from typing import Any
 
 from fastapi import APIRouter, Depends, HTTPException, status
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -42,6 +42,8 @@ class AchievementCreate(BaseModel):
 class StoryUniverseResponse(BaseModel):
     """Universe response."""
 
+    model_config = ConfigDict(from_attributes=True)
+
     id: str
     child_profile_id: str
     name: str
@@ -50,9 +52,6 @@ class StoryUniverseResponse(BaseModel):
     world_settings: dict[str, Any]
     achievements: list[dict[str, Any]]
 
-    class Config:
-        from_attributes = True
-
 
 class StoryUniverseListResponse(BaseModel):
     """Universe list response."""