新增資料庫保持活躍API端點

app/main.py

@@ -59,6 +59,41 @@ async def api_health_check():
         "timestamp": "2024-09-09T00:00:00Z"
     }
 
+@app.get("/api/keep-alive")
+async def keep_alive():
+    """
+    資料庫保持活躍 endpoint
+    執行簡單的資料庫查詢以保持 Supabase 連接活躍
+    """
+    from datetime import datetime, timezone
+    from app.models.supabase_clients import supabase_clients
+
+    try:
+        # 查詢資料庫以保持連接活躍
+        client = supabase_clients.get_license_client()
+        if client:
+            # 執行簡單查詢：統計授權數量
+            response = client.table("licenses").select("id", count="exact").limit(1).execute()
+            db_status = "active"
+            license_count = response.count if hasattr(response, 'count') else 0
+        else:
+            db_status = "disconnected"
+            license_count = 0
+
+        return {
+            "status": "success",
+            "database": db_status,
+            "license_count": license_count,
+            "timestamp": datetime.now(timezone.utc).isoformat()
+        }
+    except Exception as e:
+        return {
+            "status": "error",
+            "database": "error",
+            "error": str(e),
+            "timestamp": datetime.now(timezone.utc).isoformat()
+        }
+
 
 if __name__ == "__main__":
     # FastAPI 固定使用 port 8000，Streamlit 使用 PORT 環境變數 (7860)

unified_server.py

@@ -113,6 +113,42 @@ async def api_root():
         "docs": "/api/docs"
     }
 
+# 資料庫保持活躍端點
+@app.get("/api/keep-alive")
+async def keep_alive():
+    """
+    資料庫保持活躍 endpoint
+    執行簡單的資料庫查詢以保持 Supabase 連接活躍
+    """
+    from datetime import datetime, timezone
+    from app.models.supabase_clients import supabase_clients
+
+    try:
+        # 查詢資料庫以保持連接活躍
+        client = supabase_clients.get_license_client()
+        if client:
+            # 執行簡單查詢：統計授權數量
+            response = client.table("licenses").select("id", count="exact").limit(1).execute()
+            db_status = "active"
+            license_count = response.count if hasattr(response, 'count') else 0
+        else:
+            db_status = "disconnected"
+            license_count = 0
+
+        return {
+            "status": "success",
+            "database": db_status,
+            "license_count": license_count,
+            "timestamp": datetime.now(timezone.utc).isoformat()
+        }
+    except Exception as e:
+        return {
+            "status": "error",
+            "database": "error",
+            "error": str(e),
+            "timestamp": datetime.now(timezone.utc).isoformat()
+        }
+
 # 通配符路由最後處理 (避免攔截 API)
 @app.get("/{full_path:path}")
 async def serve_spa_routes(full_path: str):