feat: Phase 3.4 Developer API Management - API Keys, OpenAPI Clients, Call Stats, Slow Logs

backend/python/app/models.py

@@ -65,6 +65,9 @@ class ApiKey(Base):
     last_used_at = Column(DateTime, default=None)
     created_at = Column(DateTime, default=datetime.now)
     expired_at = Column(DateTime, default=None)
+    description = Column(String(500), default=None, comment="密钥描述")
+    rate_limit = Column(Integer, default=60, comment="速率限制(请求/分钟)")
+    total_calls = Column(BigInteger, default=0, comment="总调用次数")
 
 
 # ============================================================
@@ -770,6 +773,8 @@ class OpenApiClient(Base):
     rate_limit = Column(Integer, default=60)
     status = Column(String(10), nullable=False, default="active")
     created_at = Column(DateTime, default=datetime.now)
+    total_calls = Column(BigInteger, default=0, comment="总调用次数")
+    last_used_at = Column(DateTime, default=None, comment="最后使用时间")
 
 
 # ============================================================