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

src/stores/agent-store.ts

@@ -125,7 +125,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
   streamingContent: '',
   provider: '',
   model: '',
-  contextWindow: 1_000_000,
+  contextWindow: 0,
 
   // ===== Actions =====
 
@@ -138,7 +138,9 @@ export const useAgentStore = create<AgentState>((set, get) => ({
         const messages = (msgs as Array<{
           id: string; role: string; content: string;
           reasoningContent?: string; toolCalls?: unknown[];
+          toolResult?: unknown;
           attachments?: Array<{ id: string; name: string; type: string; size: number; preview?: string; textContent?: string }>;
+          iteration?: number;
           timestamp: number;
         }>).map((m) => ({
           id: m.id,
@@ -147,10 +149,11 @@ export const useAgentStore = create<AgentState>((set, get) => ({
           reasoningContent: m.reasoningContent,
           toolCalls: m.toolCalls as ToolCallInfo[] | undefined,
           attachments: m.attachments as AttachmentInfo[] | undefined,
+          iteration: m.iteration,
           timestamp: m.timestamp,
         }));
         set({ messages });
-      }).catch(() => {});
+      }).catch((err) => { console.error('[AgentStore]', err); });
     }
 
     // 从数据库加载该会话的 trace 步骤和 token 用量
@@ -160,7 +163,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
           if (data.traceSteps) set({ traceSteps: data.traceSteps as TraceStep[] });
           if (data.tokenUsage) set({ tokenUsage: data.tokenUsage as TokenUsage });
         }
-      }).catch(() => {});
+      }).catch((err) => { console.error('[AgentStore]', err); });
     }
   },
 
@@ -190,8 +193,16 @@ export const useAgentStore = create<AgentState>((set, get) => ({
         });
         sessionId = session.id;
         set({ currentSessionId: sessionId });
-      } catch {
-        // 创建失败时静默
+      } catch (err) {
+        console.error('[AgentStore]', 'Failed to create session:', err);
+        set({ agentStatus: 'error', isStreaming: false });
+        get().addMessage({
+          id: `msg_${Date.now()}_error`,
+          role: 'system',
+          content: `错误: 无法创建会话 — ${(err as Error).message}`,
+          timestamp: Date.now(),
+        });
+        return;
       }
     }
 
@@ -220,7 +231,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
           window.metona?.sessions?.rename(sessionId, title);
           useSessionStore.getState().updateSession(sessionId, { title });
         }
-      }).catch(() => {});
+      }).catch((err) => { console.error('[AgentStore]', err); });
     }
 
     if (sessionId && window.metona?.agent?.sendMessage) {
@@ -257,22 +268,34 @@ export const useAgentStore = create<AgentState>((set, get) => ({
         content: llmContent,
         images: llmImages.length > 0 ? llmImages : undefined,
       };
-      window.metona.agent.sendMessage(messageWithImages, sessionId).catch(() => {});
+      window.metona.agent.sendMessage(messageWithImages, sessionId).catch((err) => {
+        console.error('[AgentStore]', 'IPC sendMessage failed:', err);
+        set({ agentStatus: 'error', isStreaming: false });
+        get().addMessage({
+          id: `msg_${Date.now()}_error`,
+          role: 'system',
+          content: `错误: 消息发送失败 — ${(err as Error).message}`,
+          timestamp: Date.now(),
+        });
+      });
     }
   },
 
   updateLastAssistantMessage: (delta: string) => {
     set((s) => {
       const messages = [...s.messages];
-      const lastMsg = messages[messages.length - 1];
+      const lastIdx = messages.length - 1;
+      const lastMsg = messages[lastIdx];
       if (lastMsg?.role === 'assistant') {
-        lastMsg.content += delta;
+        // 不可变更新：创建新对象而非直接突变
+        messages[lastIdx] = { ...lastMsg, content: lastMsg.content + delta };
       } else {
         messages.push({
           id: `msg_${Date.now()}_assistant`,
           role: 'assistant',
           content: delta,
           timestamp: Date.now(),
+          iteration: s.currentIteration || undefined,
         });
       }
       return { messages };
@@ -303,7 +326,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
 
   setProvider: (provider, model) => {
     // DeepSeek/Agnes 固定 1M，Ollama 从配置读取
-    const ollamaCtx = provider === 'ollama' ? 128_000 : 1_000_000;
+    const ollamaCtx = provider === 'ollama' ? 4096 : 1_000_000;
     set({ provider, model, contextWindow: ollamaCtx });
     // 异步读取 Ollama 实际配置
     if (provider === 'ollama' && window.metona?.config?.get) {
@@ -311,7 +334,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
         if (v != null && typeof v === 'number' && v > 0) {
           set({ contextWindow: v });
         }
-      }).catch(() => {});
+      }).catch((err) => { console.error('[AgentStore]', err); });
     }
   },
 
@@ -322,7 +345,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
   saveTraceData: () => {
     const { currentSessionId, traceSteps, tokenUsage } = get();
     if (currentSessionId && window.metona?.sessions?.saveTrace) {
-      window.metona.sessions.saveTrace(currentSessionId, { traceSteps, tokenUsage }).catch(() => {});
+      window.metona.sessions.saveTrace(currentSessionId, { traceSteps, tokenUsage }).catch((err) => { console.error('[AgentStore]', err); });
     }
   },
 
@@ -341,7 +364,7 @@ export const useAgentStore = create<AgentState>((set, get) => ({
     const sessionId = get().currentSessionId;
     set({ agentStatus: 'idle', isStreaming: false });
     if (sessionId && window.metona?.agent?.abortSession) {
-      window.metona.agent.abortSession(sessionId).catch(() => {});
+      window.metona.agent.abortSession(sessionId).catch((err) => { console.error('[AgentStore]', err); });
     }
   },
 }));