feat: improve WeKnora source preview and wiki management

.vscode/launch.json

@@ -47,7 +47,7 @@
       "name": "DeerFlow: Open Frontend in Chrome",
       "type": "node-terminal",
       "request": "launch",
-      "preLaunchTask": "DeerFlow: Start Full Stack and Wait",
+      "preLaunchTask": "DeerFlow: VS Code Start",
       "command": "powershell.exe -NoProfile -ExecutionPolicy Bypass -Command \"Start-Process 'http://127.0.0.1:5174/'\"",
       "cwd": "${workspaceFolder}"
     }