554 lines
14 KiB
Go
554 lines
14 KiB
Go
package internal
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import (
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"bufio"
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"bytes"
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"context"
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"encoding/json"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"sort"
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"strings"
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"time"
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"charm.land/bubbletea/v2"
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)
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// Session 单个会话的元数据
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type Session struct {
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ID string // UUID (文件名)
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CustomTitle string // customTitle 字段
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Cwd string // 实际工作目录
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StartTime time.Time // 首条 timestamp
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EndTime time.Time // 末条 timestamp
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MsgCount int // user + assistant 消息数
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FirstMsg string // 首条用户消息 (截断)
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AwaySummary string // away_summary 系统摘要
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AISummary string // AI 生成的摘要 (缓存)
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Completed []string // AI 提取的已完成项
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Pending []string // AI 提取的待办项
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FilePath string // JSONL 文件完整路径
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}
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// ProjectDir 按目录分组的会话集合
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type ProjectDir struct {
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Dir string // 完整路径
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DirShort string // 显示名 (路径最后一段)
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Sessions []*Session // 按时间倒序
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}
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// DisplayTitle 返回会话显示标题
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func (s *Session) DisplayTitle() string {
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return cleanText(s.displayTitleRaw())
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}
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func (s *Session) displayTitleRaw() string {
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if s.AISummary != "" {
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return s.AISummary
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}
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if s.FirstMsg != "" {
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return s.FirstMsg
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}
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if s.CustomTitle != "" {
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return s.CustomTitle
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}
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return s.ID[:8]
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}
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// DisplaySummary 返回会话摘要
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func (s *Session) DisplaySummary() string {
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return cleanText(s.displaySummaryRaw())
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}
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func (s *Session) displaySummaryRaw() string {
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if s.AwaySummary != "" {
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return s.AwaySummary
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}
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return s.FirstMsg
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}
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// cleanText 清理显示文本：多空格保留一个，换行转空格
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func cleanText(s string) string {
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s = strings.ReplaceAll(s, "\r\n", " ")
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s = strings.ReplaceAll(s, "\n", " ")
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s = strings.ReplaceAll(s, "\t", " ")
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for strings.Contains(s, " ") {
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s = strings.ReplaceAll(s, " ", " ")
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}
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return strings.TrimSpace(s)
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}
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// HistoryState HISTORY Tab 视图状态
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type HistoryState struct {
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Projects []*ProjectDir
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DirCursor int // 左栏光标
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SessCursor int // 中栏光标
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FocusPanel int // 0=左栏 1=中栏
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Loaded bool
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Scanning bool
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}
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// IsHistoryTab 判断当前是否在 HISTORY Tab
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func (m *Model) IsHistoryTab() bool {
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return m.activeGroup == len(Groups)
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}
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// --- 扫描 ---
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type ScanCompleteMsg struct {
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Projects []*ProjectDir
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UpdatedIDs map[string]bool // modTime 变化的会话，需要重新生成摘要
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}
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func ScanSessionsCmd() tea.Cmd {
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return func() tea.Msg {
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projects, updated := scanAllProjects()
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return ScanCompleteMsg{Projects: projects, UpdatedIDs: updated}
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}
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}
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func scanAllProjects() ([]*ProjectDir, map[string]bool) {
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home, err := os.UserHomeDir()
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if err != nil {
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return nil, nil
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}
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projectsDir := filepath.Join(home, ".claude", "projects")
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entries, err := os.ReadDir(projectsDir)
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if err != nil {
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return nil, nil
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}
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cache := loadCache(home)
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dirMap := make(map[string]*ProjectDir)
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updatedIDs := make(map[string]bool)
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for _, entry := range entries {
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if !entry.IsDir() {
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continue
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}
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projectPath := filepath.Join(projectsDir, entry.Name())
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files, err := os.ReadDir(projectPath)
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if err != nil {
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continue
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}
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for _, f := range files {
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if f.IsDir() || !strings.HasSuffix(f.Name(), ".jsonl") {
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continue
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}
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sessionID := strings.TrimSuffix(f.Name(), ".jsonl")
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filePath := filepath.Join(projectPath, f.Name())
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info, err := f.Info()
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if err != nil {
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continue
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}
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if cached, ok := cache[sessionID]; ok && cached.ModTime.Equal(info.ModTime()) {
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addSessionToDir(dirMap, cached.ToSession(sessionID))
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continue
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}
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session := scanSessionFile(filePath, sessionID)
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if session == nil || session.Cwd == "" {
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continue
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}
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// 清除旧摘要，标记需要重新生成
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session.AISummary = ""
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session.Completed = nil
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session.Pending = nil
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updatedIDs[sessionID] = true
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addSessionToDir(dirMap, session)
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cache[sessionID] = cacheEntryFrom(session, info.ModTime())
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}
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}
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saveCache(home, cache)
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result := make([]*ProjectDir, 0, len(dirMap))
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for _, pd := range dirMap {
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sort.Slice(pd.Sessions, func(i, j int) bool {
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return pd.Sessions[i].StartTime.After(pd.Sessions[j].StartTime)
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})
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result = append(result, pd)
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}
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sort.Slice(result, func(i, j int) bool {
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return result[i].Dir < result[j].Dir
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})
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return result, updatedIDs
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}
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func addSessionToDir(dirMap map[string]*ProjectDir, s *Session) {
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cwd := strings.ReplaceAll(s.Cwd, "\\", "/")
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pd, ok := dirMap[cwd]
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if !ok {
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pd = &ProjectDir{Dir: cwd, DirShort: filepath.Base(cwd)}
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dirMap[cwd] = pd
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}
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pd.Sessions = append(pd.Sessions, s)
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}
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// --- JSONL 扫描 ---
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const scanLineLimit = 500
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func scanSessionFile(path string, sessionID string) *Session {
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f, err := os.Open(path)
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if err != nil {
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return nil
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}
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defer f.Close()
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s := &Session{ID: sessionID, FilePath: path}
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scanner := bufio.NewScanner(f)
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scanner.Buffer(make([]byte, 0, 64*1024), 1024*1024)
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lineCount := 0
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firstMsgFound := false
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for scanner.Scan() {
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lineCount++
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line := scanner.Bytes()
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// 前 20 行内出现 queue-operation → claude -p 会话，跳过
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if lineCount <= 20 && matchType(line, "queue-operation") {
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return nil
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}
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if !hasType(line) {
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continue
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}
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// cwd — 统一为正斜杠
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if s.Cwd == "" {
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extractField(line, `"cwd":"`, &s.Cwd)
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s.Cwd = strings.ReplaceAll(s.Cwd, "\\", "/")
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}
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// timestamp
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var ts string
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if extractField(line, `"timestamp":"`, &ts) {
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if t, err := time.Parse(time.RFC3339Nano, ts); err == nil {
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if s.StartTime.IsZero() || t.Before(s.StartTime) {
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s.StartTime = t
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}
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if t.After(s.EndTime) {
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s.EndTime = t
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}
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}
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}
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switch {
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case matchType(line, "custom-title"):
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extractField(line, `"customTitle":"`, &s.CustomTitle)
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case matchSubtype(line, "away_summary"):
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extractField(line, `"content":"`, &s.AwaySummary)
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case matchType(line, "user"):
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if bytes.Contains(line, []byte(`"tool_use_id"`)) || bytes.Contains(line, []byte(`"isMeta":true`)) {
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continue
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}
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s.MsgCount++
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if !firstMsgFound {
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if msg := extractUserMsg(line); msg != "" {
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s.FirstMsg = truncStr(msg, 80)
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firstMsgFound = true
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}
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}
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case matchType(line, "assistant"):
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s.MsgCount++
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}
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if lineCount > scanLineLimit {
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break
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}
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}
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return s
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}
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// matchType 检查 JSON 行是否包含指定 type 值
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func matchType(line []byte, typeName string) bool {
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compact := `"type":"` + typeName + `"`
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spaced := `"type": "` + typeName + `"`
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return bytes.Contains(line, []byte(compact)) || bytes.Contains(line, []byte(spaced))
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}
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// matchSubtype 检查 JSON 行是否包含指定 subtype 值
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func matchSubtype(line []byte, subName string) bool {
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compact := `"subtype":"` + subName + `"`
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spaced := `"subtype": "` + subName + `"`
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return bytes.Contains(line, []byte(compact)) || bytes.Contains(line, []byte(spaced))
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}
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// hasType 快速过滤：行是否包含 type 字段
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func hasType(line []byte) bool {
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return bytes.Contains(line, []byte(`"type":"`)) || bytes.Contains(line, []byte(`"type": "`))
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}
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// extractField 从 JSON 行中提取 "key":"value" 的值
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func extractField(line []byte, prefix string, out *string) bool {
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idx := bytes.Index(line, []byte(prefix))
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if idx < 0 {
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return false
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}
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// prefix 长度 = len("key\":")，data 从引号开始
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return extractJSONString(line[idx+len(prefix)-1:], out)
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}
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func extractUserMsg(line []byte) string {
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// string 格式: "content":"xxx"
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if idx := bytes.Index(line, []byte(`"content":"`)); idx >= 0 {
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var content string
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extractJSONString(line[idx+10:], &content)
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if content != "" && !strings.HasPrefix(content, "<command") &&
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!strings.HasPrefix(content, "<system-reminder") &&
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!strings.HasPrefix(content, "[Request interrupted") {
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return content
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}
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}
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// array 格式: [{"type":"text","text":"xxx"}]
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if idx := bytes.Index(line, []byte(`"type":"text"`)); idx >= 0 {
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searchStart := max(0, idx-200)
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region := line[searchStart:]
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if tidx := bytes.Index(region, []byte(`"text":"`)); tidx >= 0 {
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var text string
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if extractJSONString(region[tidx+7:], &text) && text != "" &&
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!strings.HasPrefix(text, "Base directory") {
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return text
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}
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}
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}
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return ""
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}
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// extractJSONString 从 " 开头的 JSON 数据中提取字符串值
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func extractJSONString(data []byte, out *string) bool {
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if len(data) == 0 || data[0] != '"' {
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return false
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}
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// 找结束引号（处理转义）
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var s string
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if json.Unmarshal(data[:findStringEnd(data)], &s) == nil {
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*out = s
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return true
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}
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return false
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}
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// findStringEnd 从 " 开始找到结束引号的位置（含）
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func findStringEnd(data []byte) int {
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escaped := false
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for i := 1; i < len(data); i++ {
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if escaped {
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escaped = false
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continue
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}
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if data[i] == '\\' {
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escaped = true
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continue
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}
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if data[i] == '"' {
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return i + 1
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}
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}
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return len(data)
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}
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// --- 缓存 ---
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const cacheVersion = 2
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type cacheFile struct {
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Version int `json:"version"`
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Sessions map[string]*cacheEntry `json:"sessions"`
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}
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type cacheEntry struct {
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ModTime time.Time `json:"modTime"`
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CustomTitle string `json:"customTitle"`
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Cwd string `json:"cwd"`
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StartTime time.Time `json:"startTime"`
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EndTime time.Time `json:"endTime"`
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MsgCount int `json:"msgCount"`
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FirstMsg string `json:"firstMsg"`
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AwaySummary string `json:"awaySummary"`
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AISummary string `json:"aiSummary"`
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Completed []string `json:"completed"`
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Pending []string `json:"pending"`
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FilePath string `json:"filePath"`
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}
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func (e *cacheEntry) ToSession(id string) *Session {
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return &Session{
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ID: id, CustomTitle: e.CustomTitle, Cwd: e.Cwd,
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StartTime: e.StartTime, EndTime: e.EndTime,
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MsgCount: e.MsgCount, FirstMsg: e.FirstMsg,
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AwaySummary: e.AwaySummary, AISummary: e.AISummary,
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Completed: e.Completed, Pending: e.Pending,
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FilePath: e.FilePath,
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}
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}
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func cacheEntryFrom(s *Session, modTime time.Time) *cacheEntry {
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return &cacheEntry{
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ModTime: modTime, CustomTitle: s.CustomTitle, Cwd: s.Cwd,
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StartTime: s.StartTime, EndTime: s.EndTime,
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MsgCount: s.MsgCount, FirstMsg: s.FirstMsg,
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AwaySummary: s.AwaySummary, AISummary: s.AISummary,
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Completed: s.Completed, Pending: s.Pending,
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FilePath: s.FilePath,
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}
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}
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func cachePath(home string) string {
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return filepath.Join(home, ".u-tabs", "session-cache.json")
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}
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func loadCache(home string) map[string]*cacheEntry {
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data, err := os.ReadFile(cachePath(home))
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if err != nil {
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return make(map[string]*cacheEntry)
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}
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var cf cacheFile
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if json.Unmarshal(data, &cf) != nil || cf.Version != cacheVersion {
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return make(map[string]*cacheEntry)
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}
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return cf.Sessions
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}
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func saveCache(home string, m map[string]*cacheEntry) {
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cf := cacheFile{Version: cacheVersion, Sessions: m}
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data, err := json.Marshal(cf)
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if err != nil {
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return
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}
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dir := filepath.Join(home, ".u-tabs")
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if err := os.MkdirAll(dir, 0o755); err != nil {
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log.Printf("[u-tabs] cache mkdir fail: %v", err)
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return
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}
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if err := os.WriteFile(cachePath(home), data, 0o644); err != nil {
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log.Printf("[u-tabs] cache write fail: %v", err)
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}
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}
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func truncStr(s string, maxRunes int) string {
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runes := []rune(s)
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if len(runes) <= maxRunes {
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return s
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}
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return string(runes[:maxRunes]) + "..."
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}
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// --- AI 摘要生成 ---
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type SummaryResultMsg struct {
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SessionID string
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Summary string
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Completed []string
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Pending []string
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}
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func generateSummaryCmd(filePath, sessionID string) tea.Cmd {
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return func() tea.Msg {
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sum, done, todo := generateAISummary(filePath)
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return SummaryResultMsg{SessionID: sessionID, Summary: sum, Completed: done, Pending: todo}
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}
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}
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type aiSummaryResult struct {
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Summary string `json:"summary"`
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Completed []string `json:"completed"`
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Pending []string `json:"pending"`
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}
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func generateAISummary(filePath string) (string, []string, []string) {
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messages := extractMessagesForSummary(filePath)
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if messages == "" {
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return "", nil, nil
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}
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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prompt := `分析以下Claude Code对话，用JSON输出：
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{"summary":"20字内中文概括","completed":["已完成项1","已完成项2"],"pending":["待办项1"]}
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要求：summary 20字内概括；completed 已完成工作（每项≤30字）；pending 未完成/待办（每项≤30字）。只输出JSON。` + "\n\n" + messages
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cmd := exec.CommandContext(ctx, "claude", "-p", prompt)
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output, err := cmd.Output()
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if err != nil {
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return "", nil, nil
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}
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raw := strings.TrimSpace(string(output))
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raw = strings.Trim(raw, "`")
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raw = strings.TrimPrefix(raw, "json")
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raw = strings.TrimSpace(raw)
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var result aiSummaryResult
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if json.Unmarshal([]byte(raw), &result) != nil {
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// Fallback: treat whole output as summary
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s := strings.Trim(raw, "\"'`*")
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s = strings.TrimPrefix(s, "概括：")
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s = strings.TrimPrefix(s, "主题：")
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if len(s) > 60 {
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s = truncStr(s, 60)
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}
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return s, nil, nil
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}
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if len(result.Summary) > 60 {
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result.Summary = truncStr(result.Summary, 60)
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}
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return result.Summary, result.Completed, result.Pending
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}
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func extractMessagesForSummary(path string) string {
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f, err := os.Open(path)
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if err != nil {
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return ""
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}
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defer f.Close()
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var msgs []string
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scanner := bufio.NewScanner(f)
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scanner.Buffer(make([]byte, 0, 64*1024), 1024*1024)
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userCount := 0
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for scanner.Scan() {
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if userCount >= 5 {
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break
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}
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line := scanner.Bytes()
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if !hasType(line) {
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continue
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}
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if matchType(line, "user") {
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if msg := extractUserMsg(line); msg != "" {
|
||
msgs = append(msgs, "用户: "+msg)
|
||
userCount++
|
||
}
|
||
}
|
||
}
|
||
|
||
return strings.Join(msgs, "\n")
|
||
}
|
||
|
||
func saveSummaryToCache(sessionID, summary string, completed, pending []string) {
|
||
home, err := os.UserHomeDir()
|
||
if err != nil {
|
||
return
|
||
}
|
||
cache := loadCache(home)
|
||
entry, ok := cache[sessionID]
|
||
if !ok {
|
||
return
|
||
}
|
||
entry.AISummary = summary
|
||
entry.Completed = completed
|
||
entry.Pending = pending
|
||
saveCache(home, cache)
|
||
}
|