fix: 代码审查问题修复

- C1 (Critical): 添加 PyYAML 解析 frontmatter，支持多行值和列表
- M1 (Major): 添加 FTS5 查询验证，防止注入攻击
- M2/M3 (Major): 工具类使用显式 wiki_vault_path 参数
- M4 (Major): 集成 aiofiles 实现真正的异步文件 I/O
- M5 (Major): 改用 logger.exception() 记录完整堆栈

Co-Authored-By: Claude Dev <noreply@anthropic.com>

mcp_server/main.py

@@ -92,11 +92,11 @@ class MCPServer:
         wiki_query = WikiQueryTool(self.query_service)
         memory_bridge = MemoryBridgeTool(self.query_service)
         wiki_status = WikiStatusTool(self.query_service, self.indexer_service, self.graph_service)
-        wiki_lint = WikiLintTool(self.parser_service, self.query_service, self.graph_service)
+        wiki_lint = WikiLintTool(self.parser_service, self.query_service, self.graph_service, self.wiki_vault_path)
         cross_linker = CrossLinkerTool(self.graph_service)
         tag_taxonomy = TagTaxonomyTool(self.query_service)
         wiki_synthesize = WikiSynthesizeTool(self.query_service, self.graph_service)
-        daily_update = DailyUpdateTool(self.query_service, self.indexer_service)
+        daily_update = DailyUpdateTool(self.query_service, self.indexer_service, self.wiki_vault_path)
 
         # 注册工具
         self.tools = {
@@ -151,10 +151,13 @@ class MCPServer:
                 result = await self.tools[name](**arguments)
                 return [TextContent(type="text", text=json.dumps(result, ensure_ascii=False, indent=2))]
             except Exception as e:
-                logger.error(f"Error calling tool {name}: {e}")
+                # 记录完整堆栈用于调试
+                logger.exception(f"Error calling tool {name} with arguments {arguments}")
+                # 返回用户友好的错误消息
                 return [TextContent(type="text", text=json.dumps({
                     "success": False,
-                    "error": str(e)
+                    "error": str(e),
+                    "tool": name
                 }, ensure_ascii=False))]
 
     async def run(self) -> None: