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Author SHA1 Message Date
hailin 94652857cd feat: 生产级 API 错误处理 — 重试拦截器、友好错误提示、网络监测、WebSocket 退避 
## 问题
用户看到原始 DioException 堆栈（如 "DioException [unknown]: null Error:
HttpException: Connection reset by peer"），且无重试机制，网络抖动即报错。

## 变更

### 1. RetryInterceptor（指数退避自动重试）
- 新增 `core/network/retry_interceptor.dart`
- 自动重试：连接超时、发送超时、Connection reset、502/503/504/429
- 指数退避（800ms → 1.6s → 3.2s）+ 随机抖动防雪崩
- 最多 3 次重试，非瞬态错误（401/403/404）不重试
- 集成到 dio_client，优化超时：connect 8s、send 15s、receive 20s

### 2. ErrorHandler 全面升级（友好中文错误提示）
- 重写 `core/errors/error_handler.dart`，新增 `friendlyMessage()` 静态方法
- 所有 DioExceptionType 映射为具体中文：
  - Connection reset → "连接被服务器重置，请稍后重试"
  - Connection refused → "服务器拒绝连接，请确认服务是否启动"
  - Timeout → "连接超时，服务器无响应"
  - 401 → "登录已过期，请重新登录"
  - 403/404/429/500/502/503 各有独立提示
- 新增 TimeoutFailure 类型
- 所有 Failure.message 默认中文

### 3. 网络连接监测 + 离线 Banner
- 新增 `core/network/connectivity_provider.dart` — 每30秒探测服务器可达性
- 新增 `core/widgets/offline_banner.dart` — 黄色警告横幅 "网络连接不可用"
- 集成到 ScaffoldWithNav，所有页面顶部自动显示离线状态

### 4. 统一错误展示（杜绝 e.toString()）
- 新增 `core/widgets/error_view.dart` — 统一错误 UI（图标 + 友好文案 + 重试按钮）
- 替换 6 个页面的内联错误 Column 为 ErrorView:
  tasks_page / servers_page / alerts_page / approvals_page / standing_orders_page
- 替换 dashboard 的 3 处 _SummaryCardError(message: e.toString())
- 替换 4 个 provider 的 e.toString(): chat / auth / settings / approvals
- 全项目零 e.toString() 残留（仅剩 time.minute.toString() 时间格式化）

### 5. WebSocket 重连增强
- 指数退避（1s → 2s → 4s → ... → 60s 上限）+ 随机抖动
- 最多 10 次自动重连，超限后停止
- disconnect() 阻止自动重连
- 新增 reconnect() 手动重连方法

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-23 04:01:04 -08:00
hailin 1075a6b265 refactor: 重构 chat_page 对接完整架构，集成全部 stream event widget 
## 问题
chat_page.dart 包含内联的简化版 ChatMessage/ChatState/ChatNotifier（约180行），
绕过了已实现的完整 Clean Architecture 层：
- domain/entities/chat_message.dart（含 ToolExecution、ApprovalRequest）
- domain/entities/stream_event.dart（9种 sealed class 事件）
- chat_providers.dart（完整 ChatNotifier 支持审批/工具/常驻指令）
- 5 个独立 widget 全部闲置未使用

## 变更
1. 删除内联重复代码（~180行）：ChatRole、ChatContentType、内联 ChatMessage、
   内联 ChatState、内联 ChatNotifier、chatMessagesProvider
2. 切换到正式 chatProvider（chat_providers.dart），支持全部 9 种 StreamEvent
3. 集成 5 个已有 widget：
   - MessageBubble — 用户/AI 消息气泡（带时间戳）
   - StreamTextWidget — AI 流式回复动画光标
   - ToolExecutionCard — 工具执行详情（名称/输入/输出/状态/风险等级）
   - ApprovalActionCard — 审批卡片（倒计时/通过/拒绝/过期处理）
   - AgentThinkingIndicator — 思考动画指示器
4. 新增 _AgentStatusBar — 实时状态条（思考中/执行中/等待审批）
5. 新增 _StandingOrderDraftCard — 常驻指令草案渲染
6. AppBar + 输入区添加停止按钮，审批等待时显示提示
7. 消息渲染按 MessageType 分发：text/thinking/toolUse/toolResult/approval/standingOrderDraft

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-23 03:21:44 -08:00
hailin 15e6fca6c0 fix: translate all remaining English UI strings to Chinese and remove dead code 
- Translate approval_action_card (Approve/Reject/Cancel/Expired)
- Translate tool_execution_card status labels (Executing/Completed/Error)
- Translate chat_providers error messages and stream content
- Translate message_bubble "Thinking..." indicator
- Translate terminal page tooltips (Reconnect/Disconnect)
- Translate fallback values (Untitled/Unknown/No message) across all pages
- Translate auth error "Login failed" and stream error messages
- Remove dead voice_providers.dart (used speech_to_text which is not installed)
- Remove dead voice_input_button.dart (not referenced anywhere)
- Fix widget_test.dart (was referencing non-existent MyApp class)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-23 02:07:57 -08:00
hailin 9f44878fea fix: unify all pages to Chinese + fix bottom nav selected state 
1. 所有页面英文文本统一替换为中文（仪表盘、对话、任务、告警、
   服务器、常驻指令、审批、终端、设置）
2. 底部导航栏添加 selectedIndex 追踪当前路由，点击后正确高亮
3. 导航图标添加 outlined/filled 选中态区分
4. 设置页重构为大厂风格（圆角图标分组 + 主题底部弹窗选择）

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-23 01:59:09 -08:00
hailin a568558585 feat: replace speech_to_text with GTCRN ML noise reduction + backend STT 
Replace traditional on-device speech_to_text with a modern pipeline:
- Record audio via `record` package with hardware noise suppression
- Apply GTCRN neural denoising (sherpa-onnx, ICASSP 2024, 48K params)
- Trim silence, POST to backend /voice/transcribe (faster-whisper)

Changes:
- Add /transcribe endpoint to voice-service for audio file upload
- Add SpeechEnhancer wrapper for sherpa-onnx GTCRN model (523KB)
- Rewrite chat_page.dart voice input: record → denoise → transcribe
- Keep NoiseReducer.trimSilence for silence removal only
- Upgrade record to v6.2.0, add sherpa_onnx, path_provider

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-22 07:59:15 -08:00
hailin 39c0d83424 feat: rename app from IT0 to iAgent (我智能体) 
Web Admin:
- Update browser title to "iAgent Admin Console"
- Translation: en appTitle "iAgent", zh appTitle "我智能体"
- Sidebar: en "iAgent Admin", zh "我智能体"
- Settings placeholder: "iAgent Platform" / "我智能体平台"
- Update alt tags on logo images

Flutter:
- MaterialApp title: "iAgent"
- Chat: "Ask iAgent..." / "Start a conversation with iAgent"
- Terminal: "iAgent Remote Terminal"
- Agent call: "iAgent Calling" / "iAgent"

Logo SVG: text changed from "AI AGENT" to "iAgent"

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-22 06:39:40 -08:00
hailin 00f8801d51 Initial commit: IT0 AI-powered server cluster operations platform 
Full-stack monorepo with DDD + Clean Architecture:
- Backend: 7 NestJS microservices + 5 shared libraries (TypeScript)
- Mobile: Flutter app with Riverpod (Dart)
- Web Admin: Next.js dashboard with Zustand + React Query
- Voice: Python voice service (STT/TTS/VAD)
- Infra: Docker Compose, K8s manifests, Turborepo build

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-08 22:54:37 -08:00