feat(backend): 重构 HTTP 错误处理为 RFC7807 标准并优化多个 service

backend/tests/unit/v1/inbox_messages/test_service.py

@@ -3,10 +3,10 @@ from unittest.mock import AsyncMock, MagicMock
 from uuid import UUID, uuid4
 
 import pytest
-from fastapi import HTTPException
 from sqlalchemy.exc import SQLAlchemyError
 
 from core.auth.models import CurrentUser
+from core.http.errors import ApiProblemError
 from models.inbox_messages import (
     InboxMessage,
     InboxMessageStatus as InboxMessageModelStatus,
@@ -109,11 +109,12 @@ async def test_mark_as_read_raises_404_when_message_missing() -> None:
         current_user=CurrentUser(id=user_id),
     )
 
-    with pytest.raises(HTTPException) as exc_info:
+    with pytest.raises(ApiProblemError) as exc_info:
         await service.mark_as_read(message_id)
 
     assert exc_info.value.status_code == 404
     assert exc_info.value.detail == "Inbox message not found"
+    assert exc_info.value.code == "INBOX_MESSAGE_NOT_FOUND"
     session.commit.assert_not_awaited()
 
 
@@ -133,9 +134,10 @@ async def test_mark_as_read_store_error_returns_503() -> None:
         current_user=CurrentUser(id=user_id),
     )
 
-    with pytest.raises(HTTPException) as exc_info:
+    with pytest.raises(ApiProblemError) as exc_info:
         await service.mark_as_read(message_id)
 
     assert exc_info.value.status_code == 503
     assert exc_info.value.detail == "Inbox message store unavailable"
+    assert exc_info.value.code == "INBOX_MESSAGE_STORE_UNAVAILABLE"
     session.rollback.assert_awaited_once()