fix: MCP后台删除/禁用同步清理market_apps源头,避免被_sync复活

backend/python/app/api/admin/mcp_admin.py

@@ -313,6 +313,7 @@ def _sync_market_mcp_to_servers(db: Session):
                 if url:␍␍␍
                     existing.url = url␍␍␍
                     existing.updated_at = datetime.now()␍␍␍
+            # 注意：已存在记录时保留其 is_enabled（后台禁用态不被同步覆盖）␍␍␍
                     db.commit()␍␍␍
             continue␍␍␍
 ␍␍␍
@@ -350,7 +351,7 @@ def _sync_market_mcp_to_servers(db: Session):
 ␍␍␍
             headers="{}",␍␍␍
 ␍␍␍
-            is_enabled=True,
+            is_enabled=(ma.status != "removed"),␍␍␍
 ␍␍␍
             status="disconnected",␍␍␍
 ␍␍␍
@@ -680,6 +681,16 @@ async def delete_mcp_server(
 ␍␍␍
     name = server.name␍␍␍
 ␍␍␍
+    # 将源头 MarketApp(type='mcp')状态置为 removed，避免 _sync 在下次查询时又把 mcp_servers 复活（market_apps 被 app_installations 等外键引用，不能直接删除）␍␍
+    try:␍␍␍
+        from ...models import MarketApp␍␍␍
+        market_app = db.query(MarketApp).filter(MarketApp.id == server_id).first()␍␍␍
+        if market_app:␍␍␍
+            market_app.status = "removed"␍␍
+            market_app.updated_at = datetime.now()␍␍
+            db.add(market_app)␍␍
+    except Exception:␍␍␍
+        pass␍␍␍
     db.delete(server)␍␍␍
 ␍␍␍
     db.commit()␍␍␍
@@ -713,6 +724,16 @@ async def toggle_mcp_server(
     server.is_enabled = not server.is_enabled␍␍␍
 ␍␍␍
     server.updated_at = datetime.now()␍␍␍
+    # 同步源头 MarketApp 状态：禁用 -> status='removed'，启用 -> status='published'␍␍␍
+    try:␍␍␍
+        from ...models import MarketApp␍␍␍
+        market_app = db.query(MarketApp).filter(MarketApp.id == server_id).first()␍␍␍
+        if market_app:␍␍␍
+            market_app.status = "removed" if not server.is_enabled else "published"␍␍␍
+            market_app.updated_at = datetime.now()␍␍␍
+            db.add(market_app)␍␍␍
+    except Exception:␍␍␍
+        pass␍␍␍
 ␍␍␍
     db.commit()␍␍␍
 ␍␍␍
@@ -883,4 +904,3 @@ async def list_mcp_resources(
         "message": "ok",␍␍␍
 ␍␍␍
     }␍␍␍
-