feat: integrate WeKnora llmwiki knowledge flow

.vscode/tasks.json

@@ -0,0 +1,52 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "DeerFlow：检查本地开发环境",
+      "type": "shell",
+      "command": "$backendPython = '${workspaceFolder}\\offline-backend-20260512\\backend\\.venv\\Scripts\\python.exe'; if (-not (Test-Path -LiteralPath $backendPython)) { throw '后端虚拟环境不存在，请先在 backend 目录执行 uv sync' }; & $backendPython -c \"import uvicorn; print('Backend Python OK')\"; pnpm --dir '${workspaceFolder}\\frontend-web' exec vite --version",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": [
+            "-NoProfile",
+            "-ExecutionPolicy",
+            "Bypass",
+            "-Command"
+          ]
+        }
+      },
+      "problemMatcher": []
+    },
+    {
+      "label": "DeerFlow：前端生产构建",
+      "type": "process",
+      "command": "pnpm",
+      "args": [
+        "build"
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/frontend-web"
+      },
+      "problemMatcher": []
+    },
+    {
+      "label": "DeerFlow：WeKnora 专项测试",
+      "type": "process",
+      "command": "${workspaceFolder}/offline-backend-20260512/backend/.venv/Scripts/python.exe",
+      "args": [
+        "-m",
+        "pytest",
+        "tests/test_llmwiki_weknora.py",
+        "-v"
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}/offline-backend-20260512/backend",
+        "env": {
+          "PYTHONPATH": "."
+        }
+      },
+      "problemMatcher": []
+    }
+  ]
+}