支持工具链

2026-06-10 12:07:07 +08:00
parent 1e793ce814
commit fe2477dd97
9 changed files with 1632 additions and 545 deletions
@@ -0,0 +1,520 @@
+package search
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"time"
+
+	"gopkg.in/yaml.v3"
+)
+
+const (
+	defaultActivationPrompt = `判断用户问题是否需要联网搜索。
+仅当问题涉及实时信息、新闻、价格、当前版本、近期事件、政策、网页资料核验，或用户明确要求“查一下/搜索/联网/最新”时调用 search。
+普通知识、闲聊、代码推理、已有上下文可回答的问题不要调用。`
+	defaultBaseURL = "https://api.duckduckgo.com/"
+	defaultTimeout = 10
+	defaultCount   = 5
+)
+
+type Config struct {
+	Enabled          bool           `yaml:"enabled" json:"enabled"`
+	ActivationPrompt string         `yaml:"activation_prompt" json:"activation_prompt"`
+	Profiles         ProfileConfigs `yaml:"profiles" json:"profiles"`
+}
+
+type ProfileConfig struct {
+	Name     string `yaml:"name" json:"name"`
+	Active   bool   `yaml:"active,omitempty" json:"active"`
+	Enabled  bool   `yaml:"enabled" json:"enabled"`
+	Provider string `yaml:"provider" json:"provider"`
+	APIKey   string `yaml:"api_key" json:"-"`
+	BaseURL  string `yaml:"base_url" json:"base_url"`
+	Count    int    `yaml:"count" json:"count"`
+	Timeout  int    `yaml:"timeout" json:"timeout"`
+}
+
+type ProfileConfigs []ProfileConfig
+
+func (configs *ProfileConfigs) UnmarshalYAML(value *yaml.Node) error {
+	switch value.Kind {
+	case yaml.SequenceNode:
+		var items []ProfileConfig
+		if err := value.Decode(&items); err != nil {
+			return err
+		}
+		*configs = items
+	case yaml.MappingNode:
+		var item ProfileConfig
+		if err := value.Decode(&item); err != nil {
+			return err
+		}
+		*configs = []ProfileConfig{item}
+	case yaml.ScalarNode:
+		if value.Tag == "!!null" {
+			*configs = nil
+			return nil
+		}
+		return fmt.Errorf("search 配置格式无效")
+	default:
+		return fmt.Errorf("search 配置格式无效")
+	}
+	return nil
+}
+
+type State struct {
+	mu         sync.RWMutex
+	cfg        *Config
+	profiles   map[string]ProfileConfig
+	order      []string
+	activeName string
+}
+
+type Result struct {
+	Title       string `json:"title"`
+	URL         string `json:"url"`
+	Description string `json:"description"`
+}
+
+type ListResponse struct {
+	Active   string          `json:"active"`
+	Profiles []ProfileConfig `json:"profiles"`
+}
+
+type braveSearchResponse struct {
+	Web struct {
+		Results []Result `json:"results"`
+	} `json:"web"`
+}
+
+type duckDuckGoResponse struct {
+	Abstract       string `json:"Abstract"`
+	AbstractSource string `json:"AbstractSource"`
+	AbstractURL    string `json:"AbstractURL"`
+	Heading        string `json:"Heading"`
+	RelatedTopics  []struct {
+		Text     string `json:"Text"`
+		FirstURL string `json:"FirstURL"`
+		Topics   []struct {
+			Text     string `json:"Text"`
+			FirstURL string `json:"FirstURL"`
+		} `json:"Topics"`
+	} `json:"RelatedTopics"`
+	Infobox struct {
+		Content []struct {
+			Label string `json:"label"`
+			Value string `json:"value"`
+		} `json:"content"`
+	} `json:"Infobox"`
+}
+
+func LoadConfig(path string, legacyProfiles ...[]ProfileConfig) (*Config, error) {
+	if _, err := os.Stat(path); err != nil {
+		if !os.IsNotExist(err) {
+			return nil, fmt.Errorf("检查联网搜索配置失败: %w", err)
+		}
+		cfg := defaultConfig()
+		if len(legacyProfiles) > 0 && len(legacyProfiles[0]) > 0 {
+			cfg.Profiles = legacyProfiles[0]
+		}
+		if err := normalizeConfig(&cfg); err != nil {
+			return nil, err
+		}
+		if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
+			return nil, fmt.Errorf("创建联网搜索配置目录失败: %w", err)
+		}
+		data, err := yaml.Marshal(&cfg)
+		if err != nil {
+			return nil, fmt.Errorf("生成联网搜索配置失败: %w", err)
+		}
+		if err := os.WriteFile(path, data, 0644); err != nil {
+			return nil, fmt.Errorf("写入联网搜索配置失败: %w", err)
+		}
+	}
+
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("读取联网搜索配置失败: %w", err)
+	}
+	var cfg Config
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, fmt.Errorf("解析联网搜索配置失败: %w", err)
+	}
+	if err := normalizeConfig(&cfg); err != nil {
+		return nil, err
+	}
+	applyEnv(&cfg)
+	return &cfg, nil
+}
+
+func NewState(cfg *Config) (*State, error) {
+	state := &State{cfg: cfg, profiles: map[string]ProfileConfig{}}
+	if cfg == nil || !cfg.Enabled {
+		return state, nil
+	}
+	for _, config := range cfg.Profiles {
+		if strings.TrimSpace(config.Name) == "" {
+			return nil, errors.New("search.profiles.name 不能为空")
+		}
+		if strings.TrimSpace(config.Provider) == "" {
+			return nil, fmt.Errorf("search.%s.provider 未配置", config.Name)
+		}
+		if strings.TrimSpace(config.BaseURL) == "" {
+			return nil, fmt.Errorf("search.%s.base_url 未配置", config.Name)
+		}
+		if config.Timeout <= 0 {
+			return nil, fmt.Errorf("search.%s.timeout 必须大于 0", config.Name)
+		}
+		if _, ok := state.profiles[config.Name]; ok {
+			return nil, fmt.Errorf("search 配置名称重复: %s", config.Name)
+		}
+		state.profiles[config.Name] = config
+		state.order = append(state.order, config.Name)
+		if config.Active && state.activeName == "" {
+			state.activeName = config.Name
+		}
+	}
+	if len(state.order) == 0 {
+		return state, nil
+	}
+	if state.activeName == "" {
+		state.activeName = state.order[0]
+	}
+	return state, nil
+}
+
+func (s *State) Enabled() bool {
+	if s == nil || s.cfg == nil || !s.cfg.Enabled || s.activeName == "" {
+		return false
+	}
+	profile := s.ActiveProfile()
+	return profile.Enabled
+}
+
+func (s *State) ActivationPrompt() string {
+	if s == nil || s.cfg == nil || strings.TrimSpace(s.cfg.ActivationPrompt) == "" {
+		return defaultActivationPrompt
+	}
+	return strings.TrimSpace(s.cfg.ActivationPrompt)
+}
+
+func (s *State) ActiveProfile() ProfileConfig {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	return s.profiles[s.activeName]
+}
+
+func (s *State) SwitchActive(name string) (ProfileConfig, error) {
+	name = strings.TrimSpace(name)
+	if name == "" {
+		return ProfileConfig{}, errors.New("搜索配置名称不能为空")
+	}
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	profile, ok := s.profiles[name]
+	if !ok {
+		return ProfileConfig{}, fmt.Errorf("搜索配置不存在: %s", name)
+	}
+	s.activeName = name
+	return profile, nil
+}
+
+func (s *State) ListProfiles() ListResponse {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	profiles := make([]ProfileConfig, 0, len(s.order))
+	for _, name := range s.order {
+		profile := s.profiles[name]
+		profile.APIKey = ""
+		profile.Active = name == s.activeName
+		profiles = append(profiles, profile)
+	}
+	return ListResponse{Active: s.activeName, Profiles: profiles}
+}
+
+func (s *State) Search(ctx context.Context, query string) ([]Result, ProfileConfig, error) {
+	if !s.Enabled() {
+		return nil, ProfileConfig{}, errors.New("联网搜索未启用，请先在 agents/search/config.yaml 中启用 search")
+	}
+	profile := s.ActiveProfile()
+	switch strings.ToLower(profile.Provider) {
+	case "duckduckgo", "ddg":
+		results, err := duckDuckGoSearch(ctx, profile, query)
+		return results, profile, err
+	case "brave":
+		results, err := braveWebSearch(ctx, profile, query)
+		return results, profile, err
+	default:
+		return nil, profile, fmt.Errorf("暂不支持搜索服务: %s", profile.Provider)
+	}
+}
+
+func BuildResultContext(config ProfileConfig, query string, results []Result, routeReason string) string {
+	var b strings.Builder
+	fmt.Fprintf(&b, "工具路由调用了联网搜索。当前搜索源: %s（%s）。请优先根据以下搜索结果回答，并在合适位置标注来源链接。\n", config.Name, config.Provider)
+	if strings.ToLower(config.Provider) == "duckduckgo" || strings.ToLower(config.Provider) == "ddg" {
+		fmt.Fprintln(&b, "注意：DuckDuckGo 即时答案不是全量网页搜索，结果可能较少。")
+	}
+	fmt.Fprintf(&b, "搜索时间: %s\n", time.Now().Format("2006-01-02 15:04:05"))
+	fmt.Fprintf(&b, "搜索词: %s\n", query)
+	if strings.TrimSpace(routeReason) != "" {
+		fmt.Fprintf(&b, "调用原因: %s\n", strings.TrimSpace(routeReason))
+	}
+	fmt.Fprintln(&b, "\n搜索结果:")
+	for i, r := range results {
+		fmt.Fprintf(&b, "%d. 标题: %s\n", i+1, strings.TrimSpace(r.Title))
+		if strings.TrimSpace(r.URL) != "" {
+			fmt.Fprintf(&b, "   链接: %s\n", strings.TrimSpace(r.URL))
+		}
+		if strings.TrimSpace(r.Description) != "" {
+			fmt.Fprintf(&b, "   摘要: %s\n", strings.TrimSpace(r.Description))
+		}
+	}
+	fmt.Fprintln(&b, "\n如果搜索结果不足以回答，请明确说明不确定，不要编造。")
+	return b.String()
+}
+
+func BuildErrorContext(query string, err error) string {
+	return fmt.Sprintf("工具路由尝试联网搜索但失败。用户问题：%s\n错误：%v\n请向用户说明联网搜索失败，不要编造搜索结果。", query, err)
+}
+
+func defaultConfig() Config {
+	return Config{
+		Enabled:          true,
+		ActivationPrompt: defaultActivationPrompt,
+		Profiles:         ProfileConfigs{defaultProfileConfig()},
+	}
+}
+
+func defaultProfileConfig() ProfileConfig {
+	return ProfileConfig{
+		Name:     "duckduckgo",
+		Active:   true,
+		Enabled:  true,
+		Provider: "duckduckgo",
+		BaseURL:  defaultBaseURL,
+		Count:    defaultCount,
+		Timeout:  defaultTimeout,
+	}
+}
+
+func normalizeConfig(cfg *Config) error {
+	if strings.TrimSpace(cfg.ActivationPrompt) == "" {
+		cfg.ActivationPrompt = defaultActivationPrompt
+	} else {
+		cfg.ActivationPrompt = strings.TrimSpace(cfg.ActivationPrompt)
+	}
+	if len(cfg.Profiles) == 0 {
+		cfg.Profiles = ProfileConfigs{defaultProfileConfig()}
+	}
+	activeIndex := -1
+	seen := map[string]bool{}
+	for i := range cfg.Profiles {
+		profile := &cfg.Profiles[i]
+		profile.Provider = strings.ToLower(strings.TrimSpace(profile.Provider))
+		if profile.Provider == "" {
+			profile.Provider = "duckduckgo"
+		}
+		name := strings.TrimSpace(profile.Name)
+		if name == "" {
+			name = profile.Provider
+			if seen[name] {
+				name = fmt.Sprintf("%s-%d", profile.Provider, i+1)
+			}
+		}
+		profile.Name = name
+		if seen[name] {
+			return fmt.Errorf("search 配置名称重复: %s", name)
+		}
+		seen[name] = true
+		if strings.TrimSpace(profile.BaseURL) == "" {
+			switch profile.Provider {
+			case "duckduckgo", "ddg":
+				profile.BaseURL = defaultBaseURL
+			case "brave":
+				profile.BaseURL = "https://api.search.brave.com/res/v1/web/search"
+			default:
+				return fmt.Errorf("暂不支持搜索服务: %s", profile.Provider)
+			}
+		}
+		if profile.Count <= 0 {
+			profile.Count = defaultCount
+		}
+		if profile.Timeout <= 0 {
+			profile.Timeout = defaultTimeout
+		}
+		if profile.Active {
+			if activeIndex == -1 {
+				activeIndex = i
+			} else {
+				profile.Active = false
+			}
+		}
+	}
+	if activeIndex == -1 {
+		cfg.Profiles[0].Active = true
+	}
+	return nil
+}
+
+func applyEnv(cfg *Config) {
+	if key := os.Getenv("BRAVE_SEARCH_API_KEY"); key != "" {
+		for i := range cfg.Profiles {
+			if strings.ToLower(cfg.Profiles[i].Provider) == "brave" {
+				cfg.Profiles[i].APIKey = key
+			}
+		}
+	}
+}
+
+func duckDuckGoSearch(ctx context.Context, config ProfileConfig, query string) ([]Result, error) {
+	searchCtx, cancel := context.WithTimeout(ctx, time.Duration(config.Timeout)*time.Second)
+	defer cancel()
+
+	u, err := url.Parse(config.BaseURL)
+	if err != nil {
+		return nil, fmt.Errorf("搜索服务地址无效: %w", err)
+	}
+	q := u.Query()
+	q.Set("q", query)
+	q.Set("format", "json")
+	q.Set("no_html", "1")
+	q.Set("skip_disambig", "1")
+	u.RawQuery = q.Encode()
+
+	req, err := http.NewRequestWithContext(searchCtx, http.MethodGet, u.String(), nil)
+	if err != nil {
+		return nil, fmt.Errorf("创建搜索请求失败: %w", err)
+	}
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("User-Agent", "aichat/1.0")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("联网搜索失败: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(io.LimitReader(resp.Body, 2*1024*1024))
+	if err != nil {
+		return nil, fmt.Errorf("读取搜索响应失败: %w", err)
+	}
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return nil, fmt.Errorf("搜索服务返回错误 %d: %s", resp.StatusCode, strings.TrimSpace(string(body)))
+	}
+
+	var parsed duckDuckGoResponse
+	if err := json.Unmarshal(body, &parsed); err != nil {
+		return nil, fmt.Errorf("解析搜索响应失败: %w", err)
+	}
+
+	limit := config.Count
+	if limit <= 0 {
+		limit = defaultCount
+	}
+	results := make([]Result, 0, limit)
+	if strings.TrimSpace(parsed.Abstract) != "" {
+		title := strings.TrimSpace(parsed.Heading)
+		if title == "" {
+			title = strings.TrimSpace(parsed.AbstractSource)
+		}
+		if title == "" {
+			title = "DuckDuckGo 摘要"
+		}
+		results = append(results, Result{Title: title, URL: strings.TrimSpace(parsed.AbstractURL), Description: strings.TrimSpace(parsed.Abstract)})
+	}
+	for _, item := range parsed.Infobox.Content {
+		if len(results) >= limit {
+			break
+		}
+		if strings.TrimSpace(item.Label) == "" || strings.TrimSpace(item.Value) == "" {
+			continue
+		}
+		results = append(results, Result{Title: item.Label, Description: item.Value})
+	}
+	appendRelated := func(text, firstURL string) {
+		if len(results) >= limit || strings.TrimSpace(text) == "" {
+			return
+		}
+		title, desc := splitDuckDuckGoText(text)
+		results = append(results, Result{Title: title, URL: strings.TrimSpace(firstURL), Description: desc})
+	}
+	for _, topic := range parsed.RelatedTopics {
+		appendRelated(topic.Text, topic.FirstURL)
+		for _, nested := range topic.Topics {
+			appendRelated(nested.Text, nested.FirstURL)
+		}
+		if len(results) >= limit {
+			break
+		}
+	}
+	return results, nil
+}
+
+func splitDuckDuckGoText(text string) (string, string) {
+	text = strings.TrimSpace(text)
+	parts := strings.SplitN(text, " - ", 2)
+	if len(parts) == 2 {
+		return strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1])
+	}
+	runes := []rune(text)
+	if len(runes) > 42 {
+		return string(runes[:42]) + "...", text
+	}
+	return text, text
+}
+
+func braveWebSearch(ctx context.Context, config ProfileConfig, query string) ([]Result, error) {
+	if config.APIKey == "" {
+		return nil, errors.New("Brave 搜索未配置 API Key，请设置 agents/search/config.yaml 中的 api_key 或环境变量 BRAVE_SEARCH_API_KEY")
+	}
+	searchCtx, cancel := context.WithTimeout(ctx, time.Duration(config.Timeout)*time.Second)
+	defer cancel()
+
+	u, err := url.Parse(config.BaseURL)
+	if err != nil {
+		return nil, fmt.Errorf("搜索服务地址无效: %w", err)
+	}
+	q := u.Query()
+	q.Set("q", query)
+	q.Set("count", fmt.Sprintf("%d", config.Count))
+	q.Set("search_lang", "zh-hans")
+	q.Set("country", "CN")
+	u.RawQuery = q.Encode()
+
+	req, err := http.NewRequestWithContext(searchCtx, http.MethodGet, u.String(), nil)
+	if err != nil {
+		return nil, fmt.Errorf("创建搜索请求失败: %w", err)
+	}
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("X-Subscription-Token", config.APIKey)
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("联网搜索失败: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(io.LimitReader(resp.Body, 2*1024*1024))
+	if err != nil {
+		return nil, fmt.Errorf("读取搜索响应失败: %w", err)
+	}
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return nil, fmt.Errorf("搜索服务返回错误 %d: %s", resp.StatusCode, strings.TrimSpace(string(body)))
+	}
+
+	var parsed braveSearchResponse
+	if err := json.Unmarshal(body, &parsed); err != nil {
+		return nil, fmt.Errorf("解析搜索响应失败: %w", err)
+	}
+	return parsed.Web.Results, nil
+}
@@ -0,0 +1,113 @@
+package search
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestNormalizeConfigDefaults(t *testing.T) {
+	cfg := &Config{Enabled: true, Profiles: ProfileConfigs{{Provider: "duckduckgo"}}}
+	if err := normalizeConfig(cfg); err != nil {
+		t.Fatal(err)
+	}
+	if strings.TrimSpace(cfg.ActivationPrompt) == "" {
+		t.Fatal("activation prompt should be defaulted")
+	}
+	profile := cfg.Profiles[0]
+	if profile.Name != "duckduckgo" || !profile.Active || profile.BaseURL != defaultBaseURL || profile.Count != defaultCount || profile.Timeout != defaultTimeout {
+		t.Fatalf("unexpected profile: %#v", profile)
+	}
+}
+
+func TestNormalizeConfigDuplicateProfile(t *testing.T) {
+	cfg := &Config{Enabled: true, Profiles: ProfileConfigs{{Name: "duck", Provider: "duckduckgo"}, {Name: " duck ", Provider: "duckduckgo"}}}
+	if err := normalizeConfig(cfg); err == nil {
+		t.Fatal("expected duplicate profile error")
+	}
+}
+
+func TestNormalizeConfigUnsupportedProvider(t *testing.T) {
+	cfg := &Config{Enabled: true, Profiles: ProfileConfigs{{Provider: "unknown"}}}
+	if err := normalizeConfig(cfg); err == nil {
+		t.Fatal("expected unsupported provider error")
+	}
+}
+
+func TestApplyEnvBraveAPIKey(t *testing.T) {
+	t.Setenv("BRAVE_SEARCH_API_KEY", "from-env")
+	cfg := &Config{Profiles: ProfileConfigs{{Name: "brave", Provider: "brave", APIKey: "from-config"}}}
+	applyEnv(cfg)
+	if cfg.Profiles[0].APIKey != "from-env" {
+		t.Fatalf("api key = %q", cfg.Profiles[0].APIKey)
+	}
+}
+
+func TestListProfilesRedactsAPIKey(t *testing.T) {
+	state, err := NewState(&Config{Enabled: true, Profiles: ProfileConfigs{{Name: "brave", Active: true, Enabled: true, Provider: "brave", APIKey: "secret", BaseURL: "https://example.com", Count: 1, Timeout: 1}}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	list := state.ListProfiles()
+	if len(list.Profiles) != 1 || list.Profiles[0].APIKey != "" || !list.Profiles[0].Active {
+		t.Fatalf("unexpected list: %#v", list)
+	}
+}
+
+func TestBuildResultContext(t *testing.T) {
+	text := BuildResultContext(ProfileConfig{Name: "duckduckgo", Provider: "duckduckgo"}, "最新消息", []Result{{Title: "标题", URL: "https://example.com", Description: "摘要"}}, "需要最新信息")
+	for _, want := range []string{"联网搜索", "最新消息", "标题", "https://example.com", "需要最新信息", "不要编造"} {
+		if !strings.Contains(text, want) {
+			t.Fatalf("context missing %q:\n%s", want, text)
+		}
+	}
+}
+
+func TestDuckDuckGoSearchParsesResults(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Query().Get("q") != "golang" {
+			t.Fatalf("query = %s", r.URL.RawQuery)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{
+			"Heading":"Go",
+			"Abstract":"Go is a language",
+			"AbstractURL":"https://go.dev",
+			"RelatedTopics":[{"Text":"Gopher - mascot","FirstURL":"https://go.dev/blog/gopher"}]
+		}`))
+	}))
+	defer server.Close()
+
+	results, err := duckDuckGoSearch(context.Background(), ProfileConfig{Provider: "duckduckgo", BaseURL: server.URL, Count: 2, Timeout: 1}, "golang")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(results) != 2 || results[0].Title != "Go" || results[1].Title != "Gopher" {
+		t.Fatalf("unexpected results: %#v", results)
+	}
+}
+
+func TestBraveMissingAPIKey(t *testing.T) {
+	_, err := braveWebSearch(context.Background(), ProfileConfig{Provider: "brave", BaseURL: "https://example.com", Timeout: 1, Count: 1}, "query")
+	if err == nil || !strings.Contains(err.Error(), "API Key") {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}
+
+func TestLoadConfigWritesLegacyProfiles(t *testing.T) {
+	dir := t.TempDir()
+	path := dir + string(os.PathSeparator) + "config.yaml"
+	cfg, err := LoadConfig(path, []ProfileConfig{{Name: "legacy", Active: true, Enabled: true, Provider: "duckduckgo", Count: 3, Timeout: 2}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(cfg.Profiles) != 1 || cfg.Profiles[0].Name != "legacy" {
+		t.Fatalf("unexpected cfg: %#v", cfg)
+	}
+	if _, err := os.Stat(path); err != nil {
+		t.Fatal(err)
+	}
+}
@@ -22,6 +22,7 @@ import (
 const (
 	defaultActivationPrompt = `判断用户问题是否需要查询业务数据库。
 仅当用户询问数据库表、记录、字段、时间、状态、内容、统计、最近/最早/某时间范围内的数据时返回 activate=true。
+当用户询问日程、日程安排、行程、会议、待办、今天/明天/本周有什么安排时，必须返回 activate=true，并说明应查询 tab_calendar_events 表。
 普通知识问答、代码问题、闲聊、联网搜索问题返回 activate=false。
 只返回 JSON: {"activate": true/false, "reason": "..."}`
 	defaultDatabaseName      = "default"
@@ -1,6 +1,15 @@
 package sqlquery

-import "testing"
+import (
+	"strings"
+	"testing"
+)
+
+func TestDefaultActivationPromptMentionsCalendarEvents(t *testing.T) {
+	if !strings.Contains(defaultActivationPrompt, "tab_calendar_events") {
+		t.Fatal("default activation prompt should mention tab_calendar_events for calendar queries")
+	}
+}

 func TestValidateReadOnlySQLAllowsSelectAndWith(t *testing.T) {
 	queries := []string{
@@ -0,0 +1,76 @@
+package timeagent
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+const ActivationPrompt = "提供当前日期、时间和常用时间范围。当用户问题包含今天、明天、昨天、本周、本月、本年、最近、日程安排等相对时间表达时，应先调用此工具；如果后续还需要查数据库，可继续调用 sql。"
+
+type Range struct {
+	Start time.Time
+	End   time.Time
+}
+
+type Context struct {
+	Now       time.Time
+	Today     Range
+	Tomorrow  Range
+	Yesterday Range
+	ThisWeek  Range
+	ThisMonth Range
+	ThisYear  Range
+}
+
+func Resolve(now time.Time) Context {
+	loc := now.Location()
+	today := Range{Start: startOfDay(now), End: startOfDay(now).AddDate(0, 0, 1)}
+	tomorrowStart := today.End
+	tomorrow := Range{Start: tomorrowStart, End: tomorrowStart.AddDate(0, 0, 1)}
+	yesterdayEnd := today.Start
+	yesterday := Range{Start: yesterdayEnd.AddDate(0, 0, -1), End: yesterdayEnd}
+	weekdayOffset := (int(now.Weekday()) + 6) % 7
+	weekStart := today.Start.AddDate(0, 0, -weekdayOffset)
+	monthStart := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, loc)
+	yearStart := time.Date(now.Year(), 1, 1, 0, 0, 0, 0, loc)
+	return Context{
+		Now:       now,
+		Today:     today,
+		Tomorrow:  tomorrow,
+		Yesterday: yesterday,
+		ThisWeek:  Range{Start: weekStart, End: weekStart.AddDate(0, 0, 7)},
+		ThisMonth: Range{Start: monthStart, End: monthStart.AddDate(0, 1, 0)},
+		ThisYear:  Range{Start: yearStart, End: yearStart.AddDate(1, 0, 0)},
+	}
+}
+
+func BuildContext(ctx Context, routeReason string) string {
+	var b strings.Builder
+	b.WriteString("时间工具结果。后续工具必须优先使用这里的绝对日期解释用户问题中的相对时间，不要自行猜测当前日期。\n")
+	fmt.Fprintf(&b, "当前本地日期时间：%s\n", ctx.Now.Format("2006-01-02 15:04:05 MST"))
+	fmt.Fprintf(&b, "今天：%s\n", FormatSQLRange(ctx.Today))
+	fmt.Fprintf(&b, "明天：%s\n", FormatSQLRange(ctx.Tomorrow))
+	fmt.Fprintf(&b, "昨天：%s\n", FormatSQLRange(ctx.Yesterday))
+	fmt.Fprintf(&b, "本周：%s\n", FormatSQLRange(ctx.ThisWeek))
+	fmt.Fprintf(&b, "本月：%s\n", FormatSQLRange(ctx.ThisMonth))
+	fmt.Fprintf(&b, "本年：%s\n", FormatSQLRange(ctx.ThisYear))
+	b.WriteString("SQL 日期过滤建议：对日程/事件类表使用半开区间，例如 event_time >= start AND event_time < end；如果实际字段名不同，必须使用 schema 中存在的时间字段。\n")
+	if strings.TrimSpace(routeReason) != "" {
+		b.WriteString("激活原因：" + strings.TrimSpace(routeReason) + "\n")
+	}
+	return b.String()
+}
+
+func FormatDate(t time.Time) string {
+	return t.Format("2006-01-02")
+}
+
+func FormatSQLRange(r Range) string {
+	return fmt.Sprintf("start=%s, end_exclusive=%s", r.Start.Format("2006-01-02 15:04:05"), r.End.Format("2006-01-02 15:04:05"))
+}
+
+func startOfDay(t time.Time) time.Time {
+	y, m, d := t.Date()
+	return time.Date(y, m, d, 0, 0, 0, 0, t.Location())
+}
@@ -0,0 +1,31 @@
+package timeagent
+
+import (
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestResolveBuildsCalendarRanges(t *testing.T) {
+	loc := time.FixedZone("CST", 8*60*60)
+	ctx := Resolve(time.Date(2026, 6, 10, 13, 14, 15, 0, loc))
+	if got := FormatSQLRange(ctx.Today); got != "start=2026-06-10 00:00:00, end_exclusive=2026-06-11 00:00:00" {
+		t.Fatalf("today = %s", got)
+	}
+	if got := FormatSQLRange(ctx.ThisMonth); got != "start=2026-06-01 00:00:00, end_exclusive=2026-07-01 00:00:00" {
+		t.Fatalf("this month = %s", got)
+	}
+	if got := FormatSQLRange(ctx.ThisWeek); got != "start=2026-06-08 00:00:00, end_exclusive=2026-06-15 00:00:00" {
+		t.Fatalf("this week = %s", got)
+	}
+}
+
+func TestBuildContextIncludesSQLHints(t *testing.T) {
+	ctx := Resolve(time.Date(2026, 6, 10, 13, 14, 15, 0, time.UTC))
+	text := BuildContext(ctx, "需要日期范围")
+	for _, want := range []string{"时间工具结果", "本月", "start=", "end_exclusive=", "半开区间", "需要日期范围"} {
+		if !strings.Contains(text, want) {
+			t.Fatalf("context missing %q:\n%s", want, text)
+		}
+	}
+}
@@ -0,0 +1,217 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"testing"
+	"time"
+)
+
+type fakeChatTool struct {
+	name        string
+	description string
+	enabled     bool
+}
+
+func (t fakeChatTool) Name() string        { return t.name }
+func (t fakeChatTool) Description() string { return t.description }
+func (t fakeChatTool) Enabled() bool       { return t.enabled }
+func (t fakeChatTool) Enrich(context.Context, *OpenAIProfile, []ChatMessage, string, func(chatSSEFrame)) ([]ChatMessage, error) {
+	return nil, nil
+}
+
+func TestNormalizeToolRouterConfigDefaults(t *testing.T) {
+	cfg := &Config{ToolRouter: ToolRouterConfig{Enabled: true}}
+	changed, err := normalizeToolRouterConfig(cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !changed {
+		t.Fatal("expected defaults to change config")
+	}
+	if cfg.ToolRouter.Timeout != defaultToolRouterTimeout {
+		t.Fatalf("timeout = %d", cfg.ToolRouter.Timeout)
+	}
+	if cfg.ToolRouter.MaxTokens != defaultToolRouterMaxTokens {
+		t.Fatalf("max_tokens = %d", cfg.ToolRouter.MaxTokens)
+	}
+	if strings.TrimSpace(cfg.ToolRouter.SystemPrompt) == "" {
+		t.Fatal("system prompt should be defaulted")
+	}
+	if len(cfg.ToolRouter.Tools) != 3 || cfg.ToolRouter.Tools[0].Name != "time" || cfg.ToolRouter.Tools[1].Name != "search" || cfg.ToolRouter.Tools[2].Name != "sql" || !cfg.ToolRouter.Tools[0].Enabled || !cfg.ToolRouter.Tools[1].Enabled || !cfg.ToolRouter.Tools[2].Enabled {
+		t.Fatalf("unexpected tools: %#v", cfg.ToolRouter.Tools)
+	}
+}
+
+func TestNormalizeToolRouterConfigAddsTimeBeforeSQL(t *testing.T) {
+	cfg := &Config{ToolRouter: ToolRouterConfig{
+		Enabled:      true,
+		Timeout:      1,
+		MaxTokens:    1,
+		SystemPrompt: "route",
+		Tools: []ToolRouteConfig{
+			{Name: "search", Enabled: true},
+			{Name: "sql", Enabled: true},
+		},
+	}}
+	changed, err := normalizeToolRouterConfig(cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !changed {
+		t.Fatal("expected time tool to be added")
+	}
+	if len(cfg.ToolRouter.Tools) < 3 || cfg.ToolRouter.Tools[0].Name != "time" || cfg.ToolRouter.Tools[2].Name != "sql" {
+		t.Fatalf("unexpected tool order: %#v", cfg.ToolRouter.Tools)
+	}
+}
+
+func TestNormalizeToolRouterConfigDuplicateTools(t *testing.T) {
+	cfg := &Config{ToolRouter: ToolRouterConfig{
+		Enabled:      true,
+		Timeout:      1,
+		MaxTokens:    1,
+		SystemPrompt: "route",
+		Tools: []ToolRouteConfig{
+			{Name: "sql", Enabled: true},
+			{Name: " SQL ", Enabled: true},
+		},
+	}}
+	_, err := normalizeToolRouterConfig(cfg)
+	if err == nil {
+		t.Fatal("expected duplicate tool error")
+	}
+}
+
+func TestParseToolRoutingDecision(t *testing.T) {
+	decision, err := parseToolRoutingDecision("```json\n{\"tools\":[{\"name\":\" SQL \",\"reason\":\" 需要查库 \"}],\"reason\":\" 总原因 \"}\n```")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(decision.Tools) != 1 || decision.Tools[0].Name != "sql" || decision.Tools[0].Reason != "需要查库" {
+		t.Fatalf("unexpected decision: %#v", decision)
+	}
+	if decision.Reason != "总原因" {
+		t.Fatalf("reason = %q", decision.Reason)
+	}
+
+	if _, err := parseToolRoutingDecision("not json"); err == nil {
+		t.Fatal("expected malformed JSON error")
+	}
+}
+
+func TestFilterToolSelections(t *testing.T) {
+	tools := map[string]ChatTool{
+		"time":   fakeChatTool{name: "time", enabled: true},
+		"sql":    fakeChatTool{name: "sql", enabled: true},
+		"search": fakeChatTool{name: "search", enabled: true},
+	}
+	decision := ToolRoutingDecision{Tools: []ToolSelection{
+		{Name: "unknown", Reason: "ignore"},
+		{Name: "search", Reason: "second in config"},
+		{Name: "sql", Reason: "third in config"},
+		{Name: "time", Reason: "first in config"},
+		{Name: "sql", Reason: "duplicate"},
+	}}
+	selected := filterToolSelections(decision, tools, []ToolRouteConfig{{Name: "time"}, {Name: "search"}, {Name: "sql"}})
+	if len(selected) != 3 {
+		t.Fatalf("selected length = %d", len(selected))
+	}
+	if selected[0].Name != "time" || selected[0].Reason != "first in config" {
+		t.Fatalf("first selection = %#v", selected[0])
+	}
+	if selected[1].Name != "search" {
+		t.Fatalf("second selection = %#v", selected[1])
+	}
+	if selected[2].Name != "sql" || selected[2].Reason != "third in config" {
+		t.Fatalf("third selection = %#v", selected[2])
+	}
+}
+
+func TestRunTimeToolAddsHiddenDateRanges(t *testing.T) {
+	messages := []ChatMessage{{Role: "user", Content: "本月有什么日程安排"}}
+	withTime, err := runTimeTool(context.Background(), messages, "需要日期范围", func(chatSSEFrame) {})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(withTime) != 2 || !withTime[0].Hidden || withTime[0].Role != "system" {
+		t.Fatalf("unexpected messages: %#v", withTime)
+	}
+	for _, want := range []string{"时间工具结果", "本月", "start=", "end_exclusive=", "半开区间"} {
+		if !strings.Contains(withTime[0].Content, want) {
+			t.Fatalf("time context missing %q:\n%s", want, withTime[0].Content)
+		}
+	}
+}
+
+func TestBuildToolRouterPrompt(t *testing.T) {
+	cfg := &ToolRouterConfig{
+		SystemPrompt: "router",
+		Tools: []ToolRouteConfig{
+			{Name: "time", Enabled: true},
+			{Name: "sql", Enabled: true, Description: "configured sql"},
+			{Name: "search", Enabled: true},
+		},
+	}
+	tools := map[string]ChatTool{
+		"time":   fakeChatTool{name: "time", description: "fallback time", enabled: true},
+		"sql":    fakeChatTool{name: "sql", description: "fallback sql", enabled: true},
+		"search": fakeChatTool{name: "search", description: "fallback search", enabled: true},
+	}
+	prompt := buildToolRouterPrompt(cfg, []ChatMessage{{Role: "user", Content: "查一下订单"}}, tools)
+	for _, want := range []string{"router", "name: time", "fallback time", "name: sql", "configured sql", "name: search", "fallback search", "最新用户问题：查一下订单"} {
+		if !strings.Contains(prompt, want) {
+			t.Fatalf("prompt missing %q:\n%s", want, prompt)
+		}
+	}
+}
+
+func TestRouteToolsUsesConfiguredRouterProfileAndTimeout(t *testing.T) {
+	ai := &OpenAIState{
+		profiles: map[string]*OpenAIProfile{
+			"chat":   {Config: OpenAIConfig{Name: "chat"}},
+			"router": {Config: OpenAIConfig{Name: "router"}},
+		},
+		order:      []string{"chat", "router"},
+		activeName: "chat",
+	}
+	state := &ToolRouterState{cfg: &ToolRouterConfig{
+		OpenAIName:   "router",
+		Timeout:      7,
+		MaxTokens:    123,
+		SystemPrompt: "router prompt",
+		Tools:        []ToolRouteConfig{{Name: "sql", Enabled: true}},
+	}, ai: ai}
+	state.complete = func(ctx context.Context, profile *OpenAIProfile, messages []ChatMessage, maxTokens int, timeout time.Duration) (string, error) {
+		if profile.Config.Name != "router" {
+			t.Fatalf("profile = %s", profile.Config.Name)
+		}
+		if maxTokens != 123 {
+			t.Fatalf("maxTokens = %d", maxTokens)
+		}
+		if timeout != 7*time.Second {
+			t.Fatalf("timeout = %s", timeout)
+		}
+		return `{"tools":[],"reason":"无需工具"}`, nil
+	}
+	decision, err := routeTools(context.Background(), state, ai.profiles["chat"], []ChatMessage{{Role: "user", Content: "你好"}}, map[string]ChatTool{"sql": fakeChatTool{name: "sql", enabled: true}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(decision.Tools) != 0 || decision.Reason != "无需工具" {
+		t.Fatalf("unexpected decision: %#v", decision)
+	}
+}
+
+func TestRouteToolsCompleterError(t *testing.T) {
+	ai := &OpenAIState{profiles: map[string]*OpenAIProfile{"chat": {Config: OpenAIConfig{Name: "chat"}}}, activeName: "chat"}
+	state := &ToolRouterState{cfg: &ToolRouterConfig{Timeout: 1, MaxTokens: 1, SystemPrompt: "router", Tools: []ToolRouteConfig{{Name: "sql", Enabled: true}}}, ai: ai}
+	state.complete = func(context.Context, *OpenAIProfile, []ChatMessage, int, time.Duration) (string, error) {
+		return "", errors.New("boom")
+	}
+	_, err := routeTools(context.Background(), state, ai.profiles["chat"], []ChatMessage{{Role: "user", Content: "你好"}}, map[string]ChatTool{"sql": fakeChatTool{name: "sql", enabled: true}})
+	if err == nil {
+		t.Fatal("expected completer error")
+	}
+}
@@ -158,7 +158,7 @@
      align-items: center;
      gap: 8px;
    }
-    #btnClear, #btnPreset, #btnSearch {
+    #btnClear, #btnPreset {
      background: none;
      border: 1px solid var(--border);
      color: var(--text-dim);
@@ -169,13 +169,7 @@
      transition: all .15s;
    }
    #btnClear:hover { border-color: var(--danger); color: var(--danger); }
-    #btnPreset:hover, #btnSearch:hover { border-color: var(--accent); color: var(--accent); }
-    #btnSearch.active {
-      background: var(--accent-soft);
-      border-color: var(--accent);
-      color: var(--accent);
-    }
-
+    #btnPreset:hover { border-color: var(--accent); color: var(--accent); }
    /* ── 消息区 ── */
    #messages {
      flex: 1;
@@ -292,6 +286,13 @@
      overflow-x: auto;
    }
    .answer-text { display: inline; }
+    .token-stats {
+      margin-top: 8px;
+      color: var(--text-dim);
+      font-size: 0.76rem;
+      white-space: normal;
+    }
+    .token-stats:empty { display: none; }

    /* 错误消息 */
    .error-msg {
@@ -513,7 +514,6 @@
      <option value="{{ .OpenAIName }}">{{ .Model }}</option>
    </select>
    <select id="searchSelect" class="model-badge profile-select" title="切换搜索源"></select>
-    <button id="btnSearch" title="开启后，本轮提问会先联网搜索">联网搜索：关</button>
    <button id="btnPreset" title="设置预先提示词">预设</button>
    <button id="btnClear" title="开始新对话">新对话</button>
  </div>
@@ -554,7 +554,7 @@
      </svg>
    </button>
  </div>
-  <p class="hint">Enter 发送 &nbsp;·&nbsp; Shift+Enter 换行 &nbsp;·&nbsp; 支持图片多模态</p>
+  <p class="hint">Enter 发送 &nbsp;·&nbsp; Shift+Enter 换行 &nbsp;·&nbsp; 支持图片多模态 &nbsp;·&nbsp; 工具路由会自动判断是否需要联网搜索</p>
 </footer>
 </div>

@@ -576,7 +576,6 @@
 let history  = [];   // {role, content, image_url?}
 let currentConvId = null;
 let pending  = false;
-let webSearchEnabled = false;
 let openAIProfiles = [];
 let activeOpenAIName = '{{ .OpenAIName }}';
 let searchProfiles = [];
@@ -591,7 +590,6 @@ const inputBox  = document.getElementById('inputBox');
 const btnSend   = document.getElementById('btnSend');
 const btnClear  = document.getElementById('btnClear');
 const btnPreset = document.getElementById('btnPreset');
-const btnSearch = document.getElementById('btnSearch');
 const modelSelect = document.getElementById('modelSelect');
 const searchSelect = document.getElementById('searchSelect');
 const btnNewChat = document.getElementById('btnNewChat');
@@ -666,16 +664,10 @@ function setInputDisabled(disabled) {
  btnSend.disabled = disabled;
  inputBox.disabled = disabled;
  fileInput.disabled = disabled;
-  btnSearch.disabled = disabled;
  modelSelect.disabled = disabled || openAIProfiles.length <= 1;
  searchSelect.disabled = disabled || searchProfiles.length <= 1;
 }

-function updateSearchButton() {
-  btnSearch.classList.toggle('active', webSearchEnabled);
-  btnSearch.textContent = webSearchEnabled ? '联网搜索：开' : '联网搜索：关';
-}
-
 async function loadOpenAIProfiles() {
  const res = await fetch('/api/openai');
  if (!res.ok) {
@@ -869,13 +861,42 @@ function addAIBubble() {

  const txt = document.createElement('span');
  txt.className = 'answer-text';
+  const stats = document.createElement('div');
+  stats.className = 'token-stats';
  bub.appendChild(trace);
  bub.appendChild(txt);
+  bub.appendChild(stats);
  row.appendChild(av);
  row.appendChild(bub);
  msgBox.appendChild(row);
  scrollToBottom();
-  return { bub, txt, trace };
+  return { bub, txt, trace, stats };
+}
+
+function formatTokenStats(stats) {
+  if (!stats) return '';
+  const avgSpeed = typeof stats.completion_tokens_per_sec === 'number'
+    ? stats.completion_tokens_per_sec.toFixed(1)
+    : '0.0';
+  const peakSpeed = typeof stats.peak_completion_tokens_per_sec === 'number'
+    ? stats.peak_completion_tokens_per_sec.toFixed(1)
+    : '0.0';
+  const parts = [
+    `平均 ${avgSpeed} tokens/sec`,
+    `最高 ${peakSpeed} tokens/sec`,
+    `总 token ${stats.total_tokens || 0}`,
+    `输入 ${stats.prompt_tokens || 0}`,
+    `输出 ${stats.completion_tokens || 0}`,
+  ];
+  const toolTokens = (stats.tool_prompt_tokens || 0) + (stats.tool_completion_tokens || 0);
+  if (toolTokens) parts.push(`工具 ${toolTokens}`);
+  if (stats.estimated) parts.push('本地估算');
+  return parts.join(' ｜ ');
+}
+
+function updateTokenStats(aiBubble, stats) {
+  if (!aiBubble.stats) return;
+  aiBubble.stats.textContent = formatTokenStats(stats);
 }

 function appendTrace(aiBubble, frame) {
@@ -893,6 +914,7 @@ function appendTrace(aiBubble, frame) {
  if (typeof data.rows === 'number') stats.push(`行数: ${data.rows}`);
  if (typeof data.columns === 'number') stats.push(`列数: ${data.columns}`);
  if (typeof data.count === 'number') stats.push(`结果数: ${data.count}`);
+  if (Array.isArray(data.tools) && data.tools.length) stats.push(`工具: ${data.tools.join(', ')}`);
  if (data.truncated) stats.push(`已截断，最多 ${data.max_rows || ''} 行`);
  if (data.reason) stats.push(`原因: ${data.reason}`);
  if (data.error) stats.push(`错误: ${data.error}`);
@@ -909,7 +931,7 @@ function appendTrace(aiBubble, frame) {
  scrollToBottom();
 }

-async function streamChat(messages, aiBubble, webSearch = false) {
+async function streamChat(messages, aiBubble) {
  const txtEl = aiBubble.txt;
  let full = '';

@@ -919,8 +941,7 @@ async function streamChat(messages, aiBubble, webSearch = false) {
    body:    JSON.stringify({
      conversation_id: currentConvId,
      messages,
-      web_search: webSearch,
-      openai_name: activeOpenAIName,
+            openai_name: activeOpenAIName,
    }),
  });

@@ -965,8 +986,14 @@ async function streamChat(messages, aiBubble, webSearch = false) {
            if (delta) {
              full += delta;
              txtEl.innerHTML = renderMarkdown(full);
-              scrollToBottom();
            }
+            updateTokenStats(aiBubble, parsed.stats);
+            scrollToBottom();
+            continue;
+          }
+          if (parsed.type === 'stats') {
+            updateTokenStats(aiBubble, parsed.stats);
+            scrollToBottom();
            continue;
          }
          if (parsed.type === 'trace') {
@@ -1070,7 +1097,7 @@ async function sendMessage() {
    clearImage();

    aiBubble = addAIBubble();
-    const full = await streamChat(history, aiBubble, webSearchEnabled);
+    const full = await streamChat(history, aiBubble);
    history.push({ role: 'assistant', content: full });
    scrollToBottom();
    await loadConversationList();
@@ -1145,11 +1172,6 @@ inputBox.addEventListener('keydown', e => {
 });

 btnSend.addEventListener('click', sendMessage);
-btnSearch.addEventListener('click', () => {
-  if (pending) return;
-  webSearchEnabled = !webSearchEnabled;
-  updateSearchButton();
-});
 modelSelect.addEventListener('change', async () => {
  if (pending) {
    modelSelect.value = activeOpenAIName;
@@ -1218,7 +1240,6 @@ presetModal.addEventListener('click', e => {
 });

 // 自动聚焦 & 初始化
-updateSearchButton();
 loadOpenAIProfiles().catch(e => alert(e.message));
 loadSearchProfiles().catch(e => alert(e.message));
 loadConversationList();