Initial commit: snapAna 截图智能整理工具

包含 FastAPI 后端、React 前端、队列/OCR/标签/待办等完整功能。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/api/deps.py

@@ -0,0 +1,17 @@
+"""API 通用依赖。"""
+from __future__ import annotations
+
+from typing import Iterator
+
+from sqlalchemy.orm import Session
+
+from app.core.db import SessionLocal
+
+
+def db_session() -> Iterator[Session]:
+    """每请求一个会话。"""
+    session = SessionLocal()
+    try:
+        yield session
+    finally:
+        session.close()