✨ feat(main): 增加PDF知识库和MCP工具集成

- 创建PDF知识库以从本地文件加载数据并支持向量搜索
- 集成MCP工具以与PostgreSQL数据库进行交互
- 通过组合知识库实现多源知识集成

pyproject.toml

@@ -8,7 +8,14 @@ dependencies = [
     "agno>=1.2.6",
     "anthropic>=0.49.0",
     "ipywidgets>=8.1.5",
+    "lancedb>=0.21.2",
+    "mcp>=1.6.0",
     "notebook>=7.3.3",
+    "numpy>=2.2.4",
     "openai>=1.69.0",
+    "pandas>=2.2.3",
+    "pypdf>=5.4.0",
     "python-dotenv>=1.1.0",
+    "sqlalchemy>=2.0.40",
+    "tantivy>=0.22.2",
 ]