2026-06-09 23:15:17 +08:00
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tags: [KAIROS, 常驻助手, bridge, proactive, dream, feature-flag]
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create time: 2026-06-09 22:30
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---
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2026-06-08 23:08:57 +08:00
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# KAIROS — 常驻助手模式
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2026-06-09 23:15:17 +08:00
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## 概述
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KAIROS 将 Claude Code CLI 从"问答工具"转变为"常驻助手"。开启后 CLI 持续运行在后台,支持持久化 bridge 会话、后台执行任务、推送通知、每日记忆日志和外部频道消息接入。
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> [!info]
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2026-06-08 23:08:57 +08:00
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> Feature Flag: `FEATURE_KAIROS=1`(及子 Feature)
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> 实现状态:核心框架完整,部分子模块为 stub;proactive/sleep 节奏控制已可用
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> 引用数:154(全库最大)
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2026-06-09 23:15:17 +08:00
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## 正文
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2026-06-08 23:08:57 +08:00
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### 子 Feature 依赖关系
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2026-06-09 23:15:17 +08:00
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```mermaid
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flowchart TD
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A["KAIROS 主开关"] --> B["KAIROS_BRIEF BriefTool 结构化输出"]
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A --> C["KAIROS_CHANNELS 外部频道消息"]
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A --> D["KAIROS_PUSH_NOTIFICATION 移动端推送"]
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A --> E["KAIROS_GITHUB_WEBHOOKS GitHub PR webhook"]
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A --> F["KAIROS_DREAM 记忆蒸馏"]
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```
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2026-06-09 23:15:17 +08:00
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> [!warning]
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> PROACTIVE 与 KAIROS 强绑定。所有代码检查都是 `feature('PROACTIVE') || feature('KAIROS')`,即 KAIROS 开启时自动获得 proactive 能力。
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### 系统提示
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KAIROS 在系统提示中注入两大段落:
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2026-06-09 23:15:17 +08:00
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#### Brief 段落 (`getBriefSection`)
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文件:`src/constants/prompts.ts:847-858`
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当 `feature('KAIROS') || feature('KAIROS_BRIEF')` 时注入。Brief 工具(`SendUserMessage`)的结构化消息输出指令。`/brief` toggle 和 `--brief` flag 只控制显示过滤,不影响模型行为。
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#### Proactive/Autonomous Work 段落 (`getProactiveSection`)
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文件:`src/constants/prompts.ts:864-918`
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当 `feature('PROACTIVE') || feature('KAIROS')` 且 `isProactiveActive()` 时注入。核心行为指令:
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- **Tick 驱动**:通过 `<tick_tag>` prompt 保持存活,每个 tick 包含用户当前本地时间
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- **节奏控制**:使用 `SleepTool` 控制等待间隔(prompt cache 5 分钟过期)
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- **空操作时必须 Sleep**:禁止输出 "still waiting" 类文本(浪费 turn 和 token)
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- **偏向行动**:读文件、搜索代码、修改文件、commit — 都不需询问
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- **终端焦点感知**:`terminalFocus` 字段指示用户是否在看终端
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- Unfocused -> 高度自主行动
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- Focused -> 更协作,展示选择
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### 实现架构
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#### 核心模块
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| 模块 | 文件 | 状态 | 职责 |
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|------|------|------|------|
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| Assistant 入口 | `src/assistant/index.ts` | Stub | `isAssistantMode()`、`initializeAssistantTeam()` |
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| Session 发现 | `src/assistant/sessionDiscovery.ts` | Stub | 发现可用 bridge session |
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| Session 历史 | `src/assistant/sessionHistory.ts` | Stub | 持久化 session 历史 |
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| Gate 控制 | `src/assistant/gate.ts` | Stub | GrowthBook 门控检查 |
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| Session 选择器 | `src/assistant/AssistantSessionChooser.ts` | Stub | UI 选择 session |
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| BriefTool | `src/tools/BriefTool/` | Stub | 结构化消息输出工具 |
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| Channel Notification | `src/services/mcp/channelNotification.ts` | Stub | 外部频道消息接入 |
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| Dream Task | `src/components/tasks/src/tasks/DreamTask/` | Stub | 记忆蒸馏任务 |
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| Memory Directory | `src/memdir/memdir.ts` | Stub | 记忆目录管理 |
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#### SleepTool(与 Proactive 共享)
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文件:`src/tools/SleepTool/prompt.ts`
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SleepTool 是 KAIROS/Proactive 的节奏控制核心。工具描述让模型理解"休眠"概念:
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- 工具名:`Sleep`
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- 功能:等待指定时间后响应 tick prompt;若队列出现新工作或 proactive 被关闭,会提前唤醒
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- 与 `<tick_tag>` 配合实现心跳式自主工作
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- 远程控制 surfaces 可通过 `automation_state` 看到 `standby` / `sleeping` 两种状态
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#### Bridge 集成
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KAIROS 通过 Bridge Mode(`src/bridge/`)连接到 claude.ai 服务器:
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```mermaid
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flowchart TD
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A["claude.ai web/app"] -->|"HTTPS long-poll"| B["Bridge API Client"]
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B -->|"src/bridge/bridgeApi.ts"| C["Session Runner"]
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C -->|"src/bridge/sessionRunner.ts"| D["REPL + Proactive Tick Loop"]
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```
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#### 数据流
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```mermaid
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flowchart TD
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A["用户从 claude.ai 发送消息"] --> B["Bridge pollForWork() 收到 WorkResponse"]
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B --> C["acknowledgeWork() 确认接收"]
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C --> D["sessionRunner 创建/恢复 REPL session"]
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D --> E["用户消息注入到 REPL 对话"]
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E --> F["模型处理 -> 工具调用 -> BriefTool 结构化输出"]
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F --> G["结果通过 Bridge API 回传到 claude.ai"]
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```
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2026-06-09 23:15:17 +08:00
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### 关键设计决策
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1. **Tick 驱动而非事件驱动**:模型通过 SleepTool 自行控制唤醒频率,而非外部事件推送。简化架构但增加 API 调用开销
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2. **KAIROS 包含 PROACTIVE**:所有 proactive 检查都包含 KAIROS,无需同时开启两个 flag
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3. **Brief 显示/行为分离**:`/brief` toggle 只控制 UI 过滤,模型始终可以使用 BriefTool
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4. **Terminal Focus 感知**:模型根据用户是否在看终端自动调节自主程度
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5. **GrowthBook 门控**:部分功能(如推送通知)即使 feature flag 开启还需要服务端 GrowthBook 开关
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2026-06-09 23:15:17 +08:00
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### 使用方式
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```bash
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# 最小启用(常驻助手 + Brief)
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FEATURE_KAIROS=1 FEATURE_KAIROS_BRIEF=1 bun run dev
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# 全功能启用
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FEATURE_KAIROS=1 \
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FEATURE_KAIROS_BRIEF=1 \
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FEATURE_KAIROS_CHANNELS=1 \
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FEATURE_KAIROS_PUSH_NOTIFICATION=1 \
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FEATURE_KAIROS_GITHUB_WEBHOOKS=1 \
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FEATURE_PROACTIVE=1 \
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bun run dev
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# 配合 Token Budget 使用
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FEATURE_KAIROS=1 FEATURE_TOKEN_BUDGET=1 bun run dev
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```
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2026-06-09 23:15:17 +08:00
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### 外部依赖
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- **Anthropic OAuth**:必须使用 claude.ai 订阅登录(非 API key)
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- **GrowthBook**:服务端特性门控(`tengu_ccr_bridge` 等)
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- **Bridge API**:`/v1/environments/bridge` 系列端点
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2026-06-09 23:15:17 +08:00
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### 文件索引
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| 文件 | 行数 | 职责 |
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|------|------|------|
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| `src/assistant/index.ts` | 9 | Assistant 模块入口(stub) |
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| `src/assistant/gate.ts` | — | GrowthBook 门控(stub) |
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| `src/assistant/sessionDiscovery.ts` | — | Session 发现(stub) |
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| `src/assistant/sessionHistory.ts` | — | Session 历史(stub) |
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| `src/assistant/AssistantSessionChooser.ts` | — | Session 选择 UI(stub) |
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| `src/tools/BriefTool/` | — | BriefTool 实现(stub) |
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| `src/tools/SleepTool/prompt.ts` | ~30 | SleepTool 工具提示 |
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| `src/tools/SleepTool/SleepTool.ts` | ~200 | 休眠/唤醒与 automation metadata |
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| `src/services/mcp/channelNotification.ts` | 5 | 频道消息接入(stub) |
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| `src/memdir/memdir.ts` | — | 记忆目录管理(stub) |
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| `src/constants/prompts.ts:557,847-918` | 72 | 系统提示注入 |
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| `src/components/tasks/src/tasks/DreamTask/` | 3 | Dream 任务(stub) |
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| `src/proactive/index.ts` | — | Proactive 核心(KAIROS 共享) |
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| `src/utils/sessionState.ts` | — | 向 bridge/CCR 暴露 automation 状态 |
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2026-06-09 23:15:17 +08:00
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## 关联笔记
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- [[claude-code-best/docs/features/proactive]]
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- [[claude-code-best/docs/features/auto-dream]]
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- [[claude-code-best/docs/features/token-budget]]
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