init
This commit is contained in:
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package main
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import (
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"context"
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"log"
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"os"
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"go-tiny-claw/internal/engine"
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"go-tiny-claw/internal/schema"
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)
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// ==========================================
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// 1. 伪造的大模型 Provider
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// ==========================================
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type mockProvider struct {
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turn int
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}
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// 模拟大模型的响应:第一轮请求执行 bash,第二轮输出最终结果
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func (m *mockProvider) Generate(ctx context.Context, msgs []schema.Message, _ []schema.ToolDefinition) (*schema.Message, error) {
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m.turn++
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if m.turn == 1 {
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return &schema.Message{
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Role: schema.RoleAssistant,
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Content: "让我来看看当前目录下有什么文件。",
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ToolCalls: []schema.ToolCall{
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{ID: "call_123", Name: "bash", Arguments: []byte(`{"command": "ls -la"}`)},
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},
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}, nil
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}
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return &schema.Message{
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Role: schema.RoleAssistant,
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Content: "我看到了文件列表,里面包含 main.go,任务完成!",
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}, nil
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}
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// ==========================================
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// 2. 伪造的 Tool Registry
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// ==========================================
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type mockRegistry struct{}
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func (m *mockRegistry) GetAvailableTools() []schema.ToolDefinition { return nil }
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func (m *mockRegistry) Execute(ctx context.Context, call schema.ToolCall) schema.ToolResult {
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// 直接返回一段伪造的终端输出
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return schema.ToolResult{
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ToolCallID: call.ID,
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Output: "-rw-r--r-- 1 user group 234 Oct 24 10:00 main.go\n",
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IsError: false,
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}
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}
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// ==========================================
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// 3. 组装运行
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// ==========================================
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func main() {
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// 获取当前执行目录作为 WorkDir 物理边界
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workDir, _ := os.Getwd()
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p := &mockProvider{}
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r := &mockRegistry{}
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// 实例化核心引擎
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eng := engine.NewAgentEngine(p, r, workDir)
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// 发起任务指令
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err := eng.Run(context.Background(), "帮我检查当前目录的文件")
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if err != nil {
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log.Fatalf("引擎崩溃: %v", err)
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}
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}
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@@ -0,0 +1,108 @@
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package engine
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import (
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"context"
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"fmt"
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"log"
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"go-tiny-claw/internal/provider"
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"go-tiny-claw/internal/schema"
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"go-tiny-claw/internal/tools"
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)
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// AgentEngine 是微型 OS 的核心驱动
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type AgentEngine struct {
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provider provider.LLMProvider
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registry tools.Registry
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// WorkDir (工作区): 借鉴 OpenClaw 的理念,Agent 必须有一个明确的物理边界
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WorkDir string
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}
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func NewAgentEngine(p provider.LLMProvider, r tools.Registry, workDir string) *AgentEngine {
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return &AgentEngine{
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provider: p,
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registry: r,
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WorkDir: workDir,
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}
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}
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// Run 启动 Agent 的生命周期
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func (e *AgentEngine) Run(ctx context.Context, userPrompt string) error {
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log.Printf("[Engine] 引擎启动,锁定工作区: %s\n", e.WorkDir)
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// 1. 初始化会话的 Context (上下文内存)
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// 在真实的场景中,这里会由动态 Prompt 组装器加载 AGENTS.md。目前我们先硬编码。
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contextHistory := []schema.Message{
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{
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Role: schema.RoleSystem,
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Content: "You are go-tiny-claw, an expert coding assistant. You have full access to tools in the workspace.",
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},
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{
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Role: schema.RoleUser,
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Content: userPrompt,
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},
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}
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turnCount := 0
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// 2. The Main Loop: 心跳开始 (标准的 ReAct 循环)
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for {
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turnCount++
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log.Printf("========== [Turn %d] 开始 ==========\n", turnCount)
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// 获取当前挂载的所有工具定义
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availableTools := e.registry.GetAvailableTools()
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// 向大模型发起推理请求 (包含 Reasoning)
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log.Println("[Engine] 正在思考 (Reasoning)...")
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responseMsg, err := e.provider.Generate(ctx, contextHistory, availableTools)
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if err != nil {
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return fmt.Errorf("模型生成失败: %w", err)
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}
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// 将模型的响应完整追加到上下文历史中
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contextHistory = append(contextHistory, *responseMsg)
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// 如果模型回复了纯文本,打印出来 (这通常是它的思考过程,或是最终结果)
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if responseMsg.Content != "" {
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fmt.Printf("🤖 模型: %s\n", responseMsg.Content)
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}
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// 3. 退出条件判断
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// 如果模型没有请求任何工具调用,说明它认为任务已经完成,跳出循环。
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if len(responseMsg.ToolCalls) == 0 {
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log.Println("[Engine] 任务完成,退出循环。")
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break
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}
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// 4. 执行行动 (Action) 与 获取观察结果 (Observation)
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log.Printf("[Engine] 模型请求调用 %d 个工具...\n", len(responseMsg.ToolCalls))
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for _, toolCall := range responseMsg.ToolCalls {
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log.Printf(" -> 🛠️ 执行工具: %s, 参数: %s\n", toolCall.Name, string(toolCall.Arguments))
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// 通过 Registry 路由并执行底层工具
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result := e.registry.Execute(ctx, toolCall)
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if result.IsError {
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log.Printf(" -> ❌ 工具执行报错: %s\n", result.Output)
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} else {
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log.Printf(" -> ✅ 工具执行成功 (返回 %d 字节)\n", len(result.Output))
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}
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// 将工具执行的观察结果 (Observation) 封装为 User Message 追加到上下文中
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// 注意:ToolCallID 必须携带!这是维系大模型推理链条的关键
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observationMsg := schema.Message{
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Role: schema.RoleUser,
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Content: result.Output,
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ToolCallID: toolCall.ID,
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}
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contextHistory = append(contextHistory, observationMsg)
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}
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// 循环回到开头,模型将带着新加入的 Observation 继续它的下一轮思考...
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}
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return nil
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}
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@@ -0,0 +1,12 @@
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package provider
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import (
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"context"
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"go-tiny-claw/internal/schema"
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)
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// LLMProvider 定义了与大模型通信的统一契约
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type LLMProvider interface {
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// Generate 接收当前的上下文历史、可用工具列表,并发起一次大模型推理
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Generate(ctx context.Context, messages []schema.Message, availableTools []schema.ToolDefinition) (*schema.Message, error)
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}
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@@ -0,0 +1,46 @@
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package schema
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import "encoding/json"
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// Role 定义消息的角色,这是与大模型沟通的基石
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type Role string
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const (
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RoleSystem Role = "system" // 系统提示词:确立 Agent 的性格与红线
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RoleUser Role = "user" // 用户输入 / 工具执行的返回结果 (Observation)
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RoleAssistant Role = "assistant" // 模型的输出:包含推理(Reasoning)或工具调用(ToolCall)
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)
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// Message 代表上下文中传递的单条消息
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type Message struct {
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Role Role `json:"role"`
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Content string `json:"content"` // 存放纯文本内容
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// 如果模型决定调用工具,此字段将被填充 (支持并行调用多个工具)
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ToolCalls []ToolCall `json:"tool_calls,omitempty"`
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// 如果这是对某个工具调用的响应,此字段必须填写,以告知模型上下文的关联性
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ToolCallID string `json:"tool_call_id,omitempty"`
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}
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// ToolCall 代表模型请求调用某个具体的工具
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type ToolCall struct {
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ID string `json:"id"` // 工具调用的唯一 ID
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Name string `json:"name"` // 想要调用的工具名称 (例如 "bash")
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// Arguments 存放 JSON 参数。使用 RawMessage 是为了延迟解析,将解析责任交给具体的工具
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Arguments json.RawMessage `json:"arguments"`
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}
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// ToolResult 代表工具在本地执行完毕后返回的物理结果
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type ToolResult struct {
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ToolCallID string `json:"tool_call_id"`
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Output string `json:"output"` // 工具执行的控制台输出或报错堆栈
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IsError bool `json:"is_error"` // 标记是否失败,供后续的驾驭工程进行错误自愈
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}
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// ToolDefinition 描述了一个大模型可以调用的工具元信息 (供模型理解工具有什么用)
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type ToolDefinition struct {
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Name string `json:"name"`
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Description string `json:"description"`
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InputSchema interface{} `json:"input_schema"` // 对应 JSON Schema
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}
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@@ -0,0 +1,15 @@
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package tools
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import (
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"context"
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"go-tiny-claw/internal/schema"
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)
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// Registry 定义了工具的注册与分发执行接口
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type Registry interface {
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// GetAvailableTools 返回当前系统挂载的所有可用工具的 Schema
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GetAvailableTools() []schema.ToolDefinition
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// Execute 实际执行模型请求的工具,并返回结果
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Execute(ctx context.Context, call schema.ToolCall) schema.ToolResult
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}
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@@ -0,0 +1,21 @@
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package main
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import (
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"fmt"
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)
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//TIP <p>To run your code, right-click the code and select <b>Run</b>.</p> <p>Alternatively, click
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// the <icon src="AllIcons.Actions.Execute"/> icon in the gutter and select the <b>Run</b> menu item from here.</p>
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func main() {
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//TIP <p>Press <shortcut actionId="ShowIntentionActions"/> when your caret is at the underlined text
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// to see how GoLand suggests fixing the warning.</p><p>Alternatively, if available, click the lightbulb to view possible fixes.</p>
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s := "gopher"
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fmt.Printf("Hello and welcome, %s!\n", s)
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for i := 1; i <= 5; i++ {
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//TIP <p>To start your debugging session, right-click your code in the editor and select the Debug option.</p> <p>We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
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// for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.</p>
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fmt.Println("i =", 100/i)
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}
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}
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