refactor: 移除多余依赖，统一 MUI 为唯一 UI 库

- 移除 radix-ui、clsx、tailwind-merge、class-variance-authority、react-router-dom

- 前后端全面适配 MUI 组件，清理残留 Tailwind 工具类引用

- 优化 Agent Loop 引擎、IPC 处理器、Provider Adapter 等后端模块

- 新增 Agent 网络工具通用设计文档 v2

electron/services/session.service.ts

@@ -86,7 +86,7 @@ export class SessionService {
       ORDER BY pinned DESC, updated_at DESC
     `).all(archived ? 1 : 0) as SessionRow[];
 
-    return rows.map(this.toSessionInfo);
+    return rows.map((row) => this.toSessionInfo(row));
   }
 
   /**
@@ -183,7 +183,7 @@ export class SessionService {
       ORDER BY created_at ASC
     `).all(sessionId) as MessageRow[];
 
-    return rows.map(this.toMessageInfo);
+    return rows.map((row) => this.toMessageInfo(row));
   }
 
   /**
@@ -316,11 +316,22 @@ export class SessionService {
       role: row.role,
       content: row.content,
       reasoningContent: row.reasoning_content ?? undefined,
-      toolCalls: row.tool_calls ? JSON.parse(row.tool_calls) : undefined,
-      toolResult: row.tool_result ? JSON.parse(row.tool_result) : undefined,
-      attachments: row.attachments ? JSON.parse(row.attachments) : undefined,
+      toolCalls: row.tool_calls ? this.safeJsonParse(row.tool_calls) as unknown[] : undefined,
+      toolResult: row.tool_result ? this.safeJsonParse(row.tool_result) : undefined,
+      attachments: row.attachments ? this.safeJsonParse(row.attachments) as unknown[] : undefined,
       iteration: row.iteration ?? undefined,
       timestamp: row.created_at,
     };
   }
+
+  /**
+   * 安全 JSON 解析：解析失败时返回 undefined 而非抛出异常
+   */
+  private safeJsonParse(json: string): unknown {
+    try {
+      return JSON.parse(json);
+    } catch {
+      return undefined;
+    }
+  }
 }