feat: Phase 1 - 核心功能实现

app/extensions.py

@@ -0,0 +1,32 @@
+"""
+Flask 扩展初始化
+"""
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from flask_jwt_extended import JWTManager
+from flask_login import LoginManager
+from flask_cors import CORS
+from flask_limiter import Limiter
+from flask_limiter.util import get_remote_address
+import redis
+
+db = SQLAlchemy()
+migrate = Migrate()
+jwt = JWTManager()
+login_manager = LoginManager()
+cors = CORS()
+limiter = Limiter(
+    key_func=get_remote_address,
+    default_limits=["100 per minute"]
+)
+
+# Redis 客户端
+redis_client = None
+
+
+def init_redis(app):
+    """初始化 Redis 客户端"""
+    global redis_client
+    redis_url = app.config.get('REDIS_URL', 'redis://localhost:6379/0')
+    redis_client = redis.from_url(redis_url)
+    return redis_client