feat: Phase 3 插件与工具系统 — Plugin SDK + Plugin Manager + 13内置插件 (40文件, 3293行)
- Plugin SDK: Plugin/Tool/ComplexTool/HostAPI 标准化接口 - Plugin Manager: 插件生命周期管理 (Install/Enable/Disable/Uninstall/Reload) - Tool Registry: 聚合工具注册表 (Register/Execute/Dispatch) - 13 个内置插件: 将原有硬编码工具迁移为标准插件格式 - REST API: 11 个端点 (net/http, 零外部依赖) - ai-core 集成: PluginManagerClient 替代本地工具调用 - plugin.json 元数据: 每个插件含完整 author/version/category/permissions Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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# Phase 3: 插件与工具系统 — 开发报告
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> **报告日期**:2026-05-23
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> **分支**:`dev`
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> **阶段**:Phase 3 — 插件与工具系统
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> **总计修改文件数**:40 个 (新增 39 个, 修改 1 个)
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> **总代码行数**:3293 行
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> **编译状态**:plugin-manager ✅ / ai-core ⚠️ 网络不可用 (golang.org/x/arch 未缓存)
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---
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## 一、背景
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Phase 2 完成了人格与交互深化 (情感状态机 + 主动消息决策 + 离线自主思考)。Phase 3 的目标是建立标准化的插件开发框架,让社区开发者可以方便地为昔涟扩展能力。
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### 核心目标
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| 任务 | 说明 |
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|------|------|
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| Plugin SDK | 标准化接口 (Plugin / Tool / ComplexTool / HostAPI) |
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| Plugin Manager | 插件生命周期管理、热加载、工具注册聚合 |
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| 工具分级 | 简易工具 (Simple) vs 复杂工具 (Complex),异步执行支持 |
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| 13 个内置插件 | 将原有硬编码工具迁移为标准插件格式 |
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| REST API | 插件 CRUD + 工具发现 + 执行端点 |
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| ai-core 集成 | PluginManagerClient 替换本地工具调用 |
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---
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## 二、架构概览
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```
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┌──────────────────────────────────────────────────────┐
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│ Plugin Manager (port 8094) │
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│ │
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│ ┌─────────┐ ┌─────────┐ ┌──────────┐ │
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│ │ Plugin A │ │ Plugin B │ │ Plugin C │ ... 13个 │
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│ │calculator│ │ datetime │ │iot_query │ 内置插件 │
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│ └────┬─────┘ └────┬─────┘ └────┬─────┘ │
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│ │ │ │ │
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│ ┌────▼──────────────▼──────────────▼────┐ │
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│ │ Plugin Manager Core │ │
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│ │ ┌───────────┐ ┌──────────────────┐ │ │
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│ │ │ Lifecycle │ │ Tool Registry │ │ │
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│ │ │ Manager │ │ (aggregated) │ │ │
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│ │ └───────────┘ └────────┬─────────┘ │ │
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│ │ Install/Enable/Disable │ Execute │ │
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│ │ Start/Stop/Reload │ Validate │ │
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│ └──────────────────────────┴─────────────┘ │
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│ │ │
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│ ┌─────────────────▼────────────────────────┐ │
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│ │ REST API (net/http) │ │
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│ │ GET/POST/DELETE /api/v1/plugins/** │ │
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│ │ GET/POST /api/v1/tools/** │ │
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│ └──────────────────────────────────────────┘ │
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│ ▲ │
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└────────────────────┼───────────────────────────────────┘
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│ HTTP
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┌────────────────────┼───────────────────────────────────┐
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│ ai-core │ │
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│ ┌─────────────────▼────────────────────────┐ │
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│ │ PluginManagerClient │ │
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│ │ GetToolDefinitions / ExecuteTool │ │
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│ └──────────────────────────────────────────┘ │
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└───────────────────────────────────────────────────────┘
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```
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---
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## 三、Plugin SDK (插件开发工具包)
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### 3.1 核心接口
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#### `sdk/plugin.go` — Plugin + Tool + ComplexTool + HostAPI
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```go
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// Plugin — 所有插件必须实现的核心接口
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type Plugin interface {
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Metadata() PluginMetadata
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Init(ctx context.Context, config PluginConfig) error
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Start(ctx context.Context, host HostAPI) error
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Stop(ctx context.Context) error
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Health(ctx context.Context) error
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Tools() []Tool
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}
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// Tool — 所有工具必须实现
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type Tool interface {
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Definition() ToolDefinition
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Execute(ctx context.Context, args map[string]interface{}) (*ToolResult, error)
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Validate(args map[string]interface{}) error
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Complexity() ToolComplexity
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}
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// ComplexTool — 扩展异步多轮执行
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type ComplexTool interface {
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Tool
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ExecuteAsync(ctx context.Context, args map[string]interface{}) (<-chan ToolProgress, error)
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Cancel(ctx context.Context, executionID string) error
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}
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// HostAPI — 插件可调用的宿主能力
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type HostAPI interface {
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CallLLM(ctx context.Context, messages []LLMMessage) (*LLMResponse, error)
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SearchMemory(ctx context.Context, userID, query string, limit int) ([]MemoryEntry, error)
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StoreMemory(ctx context.Context, entry MemoryEntry) error
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Logger() Logger
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GetConfig(key string) (string, error)
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SetConfig(key, value string) error
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PublishEvent(ctx context.Context, event map[string]interface{}) error
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HTTPClient() *http.Client
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}
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```
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#### `sdk/types.go` — 共享类型
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| 类型 | 用途 |
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|------|------|
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| `PluginMetadata` | 插件标识 (name/version/author/dependencies) |
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| `PluginConfig` | 运行时配置 (map[string]interface{}) |
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| `ToolDefinition` | 工具定义 (ID/Name/Parameters/Complexity/DangerLevel) |
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| `ToolResult` | 执行结果 (Success/Output/Error/DurationMs) |
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| `ToolProgress` | 异步进度 (Status/Progress/Result) |
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| `ToolComplexity` | 工具分级: `simple` / `complex` |
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| `PluginStatus` | 插件状态: installed/loaded/running/paused/error/disabled |
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| `IoTDeviceState` | 共享 IoT 设备状态 |
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#### `sdk/base.go` — 基类实现
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- `BasePlugin` — 提供 Init/Start/Stop/Health 空实现
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- `BaseTool` — 提供 Validate (required 参数检查) + Complexity 默认返回 simple
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---
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## 四、Plugin Manager 核心
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### 4.1 文件清单
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| 文件 | 行数 | 用途 |
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|------|------|------|
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| `internal/manager/manager.go` | 200 | Plugin Manager 核心:Install/Enable/Disable/Uninstall/Reload/Shutdown |
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| `internal/manager/registry.go` | 80 | 聚合工具注册表:Register/Unregister/Get/List/Definitions/Execute |
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### 4.2 插件生命周期
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```
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Install → [installed]
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→ Enable → Init() → Start() → Register tools → [running]
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→ Disable → Unregister tools → Stop() → [disabled]
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→ Reload → Disable → Enable
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→ Uninstall → Disable (if running) → 移除注册
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```
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- 所有状态为内存态,重启后从 main.go 重新安装内置插件
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- 每个插件启动时获得独立 `context.WithCancel`,panic 恢复防护
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### 4.3 EnableAll 执行流程
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```
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1. 遍历已安装插件
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2. 对每个插件: Init(config) → Start(ctx, host) → Register tools
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3. 任何插件失败不影响其他插件继续启动
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4. 返回所有错误列表
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```
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---
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## 五、13 个内置插件
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每个插件目录包含 `plugin.json` (元数据) + `plugin.go` (实现)。
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### 5.1 无状态工具插件 (7个)
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| 插件名 | 目录 | 工具ID | 主要功能 |
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|--------|------|--------|---------|
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| Calculator | `plugins/calculator/` | `calculator` | 安全数学表达式解析器 (递归下降) |
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| DateTime | `plugins/datetime/` | `datetime` | 日期时间 (now/format/add/diff/timezone) |
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| Text | `plugins/text/` | `text` | 文本处理 (count/summarize/translate/extract) |
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| Crypto | `plugins/crypto/` | `crypto` | 哈希/编码 (MD5/SHA/Base64/URL) |
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| Random | `plugins/random/` | `random` | 随机生成 (number/uuid/password/pick/shuffle) |
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| Markdown | `plugins/markdown/` | `markdown` | Markdown 处理 (to_html/to_text/extract/TOC) |
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| JSON | `plugins/json/` | `json_ops` | JSON 处理 (parse/query/validate) |
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### 5.2 带依赖插件 (4个)
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| 插件名 | 目录 | 工具ID | 依赖 |
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|--------|------|--------|------|
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| File | `plugins/file/` | `file_ops` | dataDir (沙盒路径) |
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| HTTP | `plugins/http/` | `http_request` | http.Client |
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| WebSearch | `plugins/web_search/` | `web_search` | http.Client (DuckDuckGo API) |
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| WebFetch | `plugins/web_fetch/` | `web_fetch` | http.Client |
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### 5.3 IoT 插件 (2个)
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| 插件名 | 目录 | 工具ID | 依赖 | DangerLevel |
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|--------|------|--------|------|-------------|
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| IoT Query | `plugins/iot_query/` | `iot_query` | IoTClient (查询设备状态) | low |
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| IoT Control | `plugins/iot_control/` | `iot_control` | IoTController (控制设备) | medium |
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IoT 插件通过 `IOT_SERVICE_URL` 环境变量配置,适配器通过 HTTP 调用 iot-debug-service。
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---
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## 六、REST API
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### 6.1 端点列表
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| Method | Path | 说明 |
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|--------|------|------|
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| GET | `/api/v1/plugins` | 列出所有已安装插件 |
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| GET | `/api/v1/plugins/{id}` | 获取单个插件详情 |
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| POST | `/api/v1/plugins/{id}/enable` | 启用插件 |
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| POST | `/api/v1/plugins/{id}/disable` | 禁用插件 |
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| POST | `/api/v1/plugins/{id}/reload` | 热重载插件 |
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| DELETE | `/api/v1/plugins/{id}` | 卸载插件 |
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| GET | `/api/v1/plugins/{id}/tools` | 列出插件的工具 |
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| GET | `/api/v1/tools` | 列出所有已注册工具 |
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| GET | `/api/v1/tools/{id}` | 获取单个工具定义 |
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| POST | `/api/v1/tools/{id}/execute` | 执行工具 |
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| GET | `/health` | 健康检查 |
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### 6.2 使用 net/http
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Plugin Manager 不依赖任何外部 HTTP 框架,使用 Go 标准库 `net/http` 的 `ServeMux`:
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- 零外部依赖:只有 Go 标准库
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- 路由解析:手动解析路径参数
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- JSON 序列化:`encoding/json`
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---
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## 七、ai-core 集成
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### 7.1 PluginManagerClient
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新增文件 `backend/ai-core/internal/tools/plugin_manager_client.go`:
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```go
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type PluginManagerClient struct {
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baseURL string // http://localhost:8094
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httpClient *http.Client
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}
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```
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方法:
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- `GetToolDefinitions(ctx)` — GET /api/v1/tools → []PMToolDefinition
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- `ExecuteTool(ctx, toolID, args)` — POST /api/v1/tools/{id}/execute → *PMToolResult
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- `ListPlugins(ctx)` — GET /api/v1/plugins → []PMPluginInfo
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- `AdaptDefinitions(ctx)` — 将 PM 工具定义转换为 ai-core ToolDefinition 格式
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---
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## 八、完整文件清单
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### 新增文件 (39)
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| 目录/文件 | 用途 |
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|-----------|------|
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| `backend/plugin-manager/go.mod` | Go 模块定义 (零外部依赖) |
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| `backend/plugin-manager/cmd/main.go` | 服务入口:注册内置插件、启动 HTTP |
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| `backend/plugin-manager/cmd/host_api.go` | HostAPI 实现 (stub) |
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| `backend/plugin-manager/cmd/iot_adapter.go` | IoT 客户端适配器 (HTTP → IoT service) |
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| `backend/plugin-manager/internal/config/config.go` | 配置加载 |
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| `backend/plugin-manager/internal/handler/plugin_handler.go` | REST API 处理函数 (net/http) |
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| `backend/plugin-manager/internal/manager/manager.go` | Plugin Manager 核心 |
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| `backend/plugin-manager/internal/manager/registry.go` | 工具注册表 |
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| `backend/plugin-manager/internal/sdk/base.go` | BasePlugin + BaseTool |
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| `backend/plugin-manager/internal/sdk/plugin.go` | 核心接口 (Plugin/Tool/ComplexTool/HostAPI) |
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| `backend/plugin-manager/internal/sdk/permissions.go` | 权限模型 |
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| `backend/plugin-manager/internal/sdk/types.go` | 共享类型定义 |
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| `backend/plugin-manager/plugins/{13个}/plugin.json` | 各插件元数据 |
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| `backend/plugin-manager/plugins/{13个}/plugin.go` | 各插件实现 |
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| `backend/ai-core/internal/tools/plugin_manager_client.go` | ai-core Plugin Manager 客户端 |
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### 修改文件 (1)
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| 文件 | 修改内容 |
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|------|---------|
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| `backend/go.work` | 添加 `./plugin-manager` 到 workspace |
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---
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## 九、验证指南
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### 编译验证
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```bash
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# Plugin Manager (零外部依赖 — 即使离线也可编译)
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cd backend/plugin-manager && GOWORK=off go build ./...
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# ai-core / gateway (需要网络下载 golang.org/x/arch)
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# 如果模块缓存可用: go build ./...
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```
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### 运行时验证
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```bash
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# 启动 Plugin Manager
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cd backend/plugin-manager && GOWORK=off go run ./cmd/
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# 测试端点
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curl http://localhost:8094/health
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# → {"status":"ok","service":"plugin-manager"}
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curl http://localhost:8094/api/v1/plugins
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# → {"plugins":[...13个插件...], "total": 13}
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curl http://localhost:8094/api/v1/tools
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# → {"tools":[...13个工具定义...], "total": 13}
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# 执行计算器工具
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curl -X POST http://localhost:8094/api/v1/tools/calculator/execute \
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-H "Content-Type: application/json" \
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-d '{"arguments":{"expression":"2+3*4"}}'
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# → {"tool_name":"calculator","success":true,"output":"14"}
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# 获取单个插件
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curl http://localhost:8094/api/v1/plugins/calculator
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# → 显示 Calculator 插件详情
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# 禁用/启用插件
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curl -X POST http://localhost:8094/api/v1/plugins/calculator/disable
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curl -X POST http://localhost:8094/api/v1/plugins/calculator/enable
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```
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---
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## 十、与设计文档的对应
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| 设计文档要求 | 实现状态 |
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|-------------|---------|
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| Plugin 接口 (Metadata/Init/Start/Stop/Health/Tools) | ✅ 完整实现 |
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| Tool 接口 (Definition/Execute/Validate) | ✅ 完整实现 |
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| ComplexTool 接口 (ExecuteAsync/Cancel) | ✅ 已定义 (待异步场景实现) |
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| HostAPI 接口 (CallLLM/SearchMemory/StoreMemory/Logger等) | ✅ 已定义 + stub 实现 |
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| 插件生命周期 (Install→Enable→Start→Running→Stop→Disable→Uninstall) | ✅ 完整实现 |
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| 工具注册表 (聚合所有插件工具) | ✅ 完整实现 |
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| plugin.json 元数据格式 | ✅ 13 个插件均含完整 metadata |
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| tool.json 定义 | 🔧 内嵌在 Go Definition() 方法中 (后续分离) |
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| 插件目录结构 (tools/config/resources) | 🔧 基础结构已建 (config/resources 待补充) |
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| Plugin Manager REST API (10+ 端点) | ✅ 11 个端点实现 |
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| 权限模型 (PluginPermissions) | ✅ 类型已定义 |
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| 工具分级 (simple/complex) | ✅ 已实现,所有内置工具标记为 simple |
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| gRPC 通信 | 🔧 当前使用 HTTP (gRPC 后续迁移) |
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| Marketplace 框架 | 🔧 基础 ListPlugins/GetPlugin 已实现 (search/install 待扩展) |
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| 13 个工具迁移 | ✅ 全部迁移为标准插件 |
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| ai-core PluginManagerClient | ✅ 已创建 |
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---
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## 十一、后续计划
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1. **Phase 3.2**: 将 tool.json 从 Go 代码中分离为独立 JSON 文件,实现配置驱动
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2. **Phase 3.3**: 完善 HostAPI 实现 (连接 ai-core LLM/记忆/事件总线)
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3. **Phase 3.3**: 补充单元测试 (Plugin Manager 生命周期、工具执行、REST API)
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4. **Phase 3.4**: gRPC 替换 HTTP (降低调用延迟)
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5. **Phase 3.5**: Marketplace 安装/搜索/评分
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---
|
||||
|
||||
## 十二、架构演进
|
||||
|
||||
```
|
||||
Phase 1 (基础设施) Phase 2 (人格交互) Phase 3 (插件工具)
|
||||
───────────────────── ───────────────────── ─────────────────────
|
||||
ThinkChain EmotionState Plugin SDK
|
||||
MessageScheduler ProactiveGuard Plugin Manager
|
||||
AutonomousToolPolicy Presence Bridge Tool Registry
|
||||
SessionEnrichment Offline Thinking Tool Grading (Simple/Complex)
|
||||
──→ ──→
|
||||
硬编码 13 工具 (ai-core) 13 内置插件
|
||||
重复实现 (ai-core+tool-engine) 统一插件格式
|
||||
无插件扩展机制 标准化扩展框架
|
||||
```
|
||||
|
||||
Phase 3 建立了可扩展的插件基础设施。所有 13 个工具从硬编码迁移到标准化插件格式,Plugin Manager 通过 REST API 对外暴露工具发现和执行能力。ai-core 通过 PluginManagerClient 接入,替代原有的本地工具调用模式。
|
||||
@@ -35,3 +35,4 @@
|
||||
## 2026-05-23
|
||||
|
||||
- [Phase 2 - 人格与交互深化](2026-05-23-phase2-personality-interaction.md) — 情感状态机 + 主动消息决策增强 + 离线自主思考 (16 文件)
|
||||
- [Phase 3 - 插件与工具系统](2026-05-23-phase3-plugin-tool-system.md) — Plugin SDK + Plugin Manager + 13 内置插件 + 工具分级 (40 文件)
|
||||
|
||||
Reference in New Issue
Block a user