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/harness/adapters/agnes-ai.adapter.ts

@@ -125,7 +125,6 @@ export class AgnesAdapter extends BaseAdapter {
         contentParts.push({ type: 'text', text: origMsg.content });
       }
       for (const img of origMsg.images) {
-        const isDataUrl = img.url.startsWith('data:');
         contentParts.push({
           type: 'image_url',
           image_url: { url: img.url },

electron/harness/adapters/base-adapter.ts

@@ -30,7 +30,7 @@ export abstract class BaseAdapter implements IMetonaProviderAdapter {
 
   async healthCheck(): Promise<boolean> {
     try {
-      await this.listModels?.();
+      await this.listModels();
       return true;
     } catch {
       return false;
@@ -58,6 +58,16 @@ export abstract class BaseAdapter implements IMetonaProviderAdapter {
         };
       }
 
+      if (msg.includes('ECONNREFUSED') || msg.includes('ENOTFOUND') || msg.includes('ECONNRESET')) {
+        return {
+          code: MetonaErrorCode.NETWORK_ERROR,
+          message: error.message,
+          provider: this.provider,
+          retryable: true,
+          retryAfterMs: 3000,
+        };
+      }
+
       if (msg.includes('401') || msg.includes('unauthorized')) {
         return {
           code: MetonaErrorCode.AUTH_INVALID,

electron/harness/adapters/ollama.adapter.ts

@@ -66,6 +66,7 @@ export class OllamaAdapter extends BaseAdapter {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ ...nativeRequest, stream: true }),
+      signal: AbortSignal.timeout(300_000),
     });
 
     if (!response.ok || !response.body) {
@@ -124,6 +125,8 @@ export class OllamaAdapter extends BaseAdapter {
           // 工具调用（Ollama 在最后一个 chunk 中整块返回）
           if (chunk.message?.tool_calls) {
             for (const tc of chunk.message.tool_calls) {
+              const args = tc.function?.arguments;
+              const parsedArgs = typeof args === 'string' ? JSON.parse(args) : (args ?? {});
               yield {
                 type: MetonaStreamEventType.TOOL_CALL_COMPLETE,
                 requestId: request.meta.requestId,
@@ -134,7 +137,7 @@ export class OllamaAdapter extends BaseAdapter {
                 toolCall: {
                   id: `tc_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`,
                   name: tc.function?.name ?? '',
-                  args: tc.function?.arguments ?? {},
+                  args: parsedArgs,
                   iteration: request.meta.iteration,
                   timestamp: Date.now(),
                 },
@@ -441,10 +444,17 @@ export class OllamaAdapter extends BaseAdapter {
       reasoningContent: message?.thinking as string | undefined,
       toolCalls: toolCalls?.map((tc, i) => {
         const fn = tc.function as Record<string, unknown>;
+        const rawArgs = fn?.arguments;
+        let args: Record<string, unknown> = {};
+        try {
+          args = typeof rawArgs === 'string' ? JSON.parse(rawArgs) : (rawArgs as Record<string, unknown>) ?? {};
+        } catch {
+          args = {};
+        }
         return {
           id: `tc_${Date.now()}_${i}`,
           name: (fn?.name as string) ?? '',
-          args: (fn?.arguments as Record<string, unknown>) ?? {},
+          args,
           iteration: 0,
           timestamp: Date.now(),
         };

electron/harness/adapters/shared/sse-stream.ts

@@ -166,7 +166,7 @@ export async function* parseSSEStream(
 
         // 非 [DONE] 但 finish_reason 为 tool_calls 时提前 flush 缓冲区
         const finishReason = chunk.choices?.[0]?.finish_reason as string | undefined;
-        if (finishReason === 'tool_calls' || finishReason === 'stop') {
+        if (finishReason === 'tool_calls') {
           for (const [index, buf] of toolCallsBuffer) {
             try {
               yield {