增加/tools命令列出可用工具

internal/bot/bot.go

@@ -118,6 +118,10 @@ func (b *Bot) CurrentRoles() (tool, vision string) {
 		b.visionProvider.Name + "/" + b.visionModel
 }
 
+func (b *Bot) Tools() []string {
+	return toolRegistry.List()
+}
+
 func (b *Bot) ContextDump() string {
 	var sb strings.Builder
 	sb.WriteString("[系统] " + b.systemPrompt + "\n")

internal/cli/cli.go

@@ -29,6 +29,7 @@ func (h *Handler) Handle(input string) bool {
 		fmt.Println("  /think <on|off>    开启或关闭当前供应商的思考模式")
 		fmt.Println("  /effort <low|high|max>  设置思考强度")
 		fmt.Println("  /context           打印当前聊天上下文")
+		fmt.Println("  /tools             列出可用工具")
 		fmt.Println("  /info              显示当前供应商、模型和思考配置")
 		fmt.Println("  /exit              退出")
 	case "/models":
@@ -69,6 +70,10 @@ func (h *Handler) Handle(input string) bool {
 		fmt.Printf("思考强度已设置为 %s\n", args[0])
 	case "/context":
 		fmt.Print(h.bot.ContextDump())
+	case "/tools":
+		for _, t := range h.bot.Tools() {
+			fmt.Println("  " + t)
+		}
 	case "/info":
 		provider, model := h.bot.Current()
 		thinking, effort := h.bot.ThinkingConfig()

internal/cli/complete.go

@@ -2,7 +2,7 @@ package cli
 
 import "strings"
 
-var commands = []string{"/exit", "/quit", "/help", "/models", "/use", "/think", "/effort", "/context", "/info"}
+var commands = []string{"/exit", "/quit", "/help", "/models", "/use", "/think", "/effort", "/context", "/tools", "/info"}
 
 func Complete(line string, models []string) []string {
 	fields := strings.Fields(line)

internal/tools/tools.go

@@ -3,6 +3,7 @@ package tools
 import (
 	"encoding/json"
 	"fmt"
+	"sort"
 
 	"github.com/openai/openai-go"
 	"github.com/openai/openai-go/packages/param"
@@ -33,6 +34,19 @@ func (r *Registry) Get(name string) (Tool, bool) {
 	return t, ok
 }
 
+func (r *Registry) List() []string {
+	names := make([]string, 0, len(r.tools))
+	for name := range r.tools {
+		names = append(names, name)
+	}
+	sort.Strings(names)
+	out := make([]string, 0, len(names))
+	for _, name := range names {
+		out = append(out, fmt.Sprintf("%s - %s", name, r.tools[name].Description()))
+	}
+	return out
+}
+
 func (r *Registry) ParamList() []openai.ChatCompletionToolParam {
 	out := make([]openai.ChatCompletionToolParam, 0, len(r.tools))
 	for _, t := range r.tools {

internal/tools/tools_test.go

@@ -84,4 +84,14 @@ func TestRegistry(t *testing.T) {
 	if _, err := r.Execute("nonexistent", nil); err == nil {
 		t.Error("执行未知工具应返回错误")
 	}
+	list := r.List()
+	if len(list) != 3 {
+		t.Fatalf("List 数量 = %d, want 3", len(list))
+	}
+	wantOrder := []string{"calculate", "get_current_time", "random_number"}
+	for i, want := range wantOrder {
+		if !strings.HasPrefix(list[i], want+" - ") {
+			t.Errorf("List[%d] = %q, want 前缀 %q", i, list[i], want+" - ")
+		}
+	}
 }