feat: improve WeKnora source preview and wiki management

.vscode/tasks.json

@@ -1,6 +1,29 @@
 {
   "version": "2.0.0",
   "tasks": [
+    {
+      "label": "DeerFlow: VS Code Start",
+      "type": "process",
+      "command": "powershell.exe",
+      "args": [
+        "-NoProfile",
+        "-ExecutionPolicy",
+        "Bypass",
+        "-File",
+        "${workspaceFolder}/scripts/vscode-start.ps1",
+        "-OpenBrowser"
+      ],
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      },
+      "presentation": {
+        "reveal": "always",
+        "panel": "dedicated",
+        "clear": true
+      },
+      "problemMatcher": []
+    },
     {
       "label": "DeerFlow: Start Full Stack and Wait",
       "type": "process",