| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "fmt" |
| 6 | "log/slog" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | |
| 10 | "reasonix/desktop/internal/workspacestate" |
| 11 | "reasonix/internal/agent" |
| 12 | "reasonix/internal/session" |
| 13 | ) |
| 14 | |
| 15 | // sessionDisplayTitle is the one name projection every local surface uses for |
| 16 | // a canonical session, so the sidebar row and the topicbar cannot disagree. |
| 17 | // The session log owns the name once any rename has committed, including an |
| 18 | // explicitly cleared one; before that, a presentation title migrated from a |
| 19 | // legacy topic still counts; an untitled session shows its first user turn. |
| 20 | // The creation default is never a real name and only closes the chain. |
| 21 | func sessionDisplayTitle(info session.SessionInfo, presentation workspacestate.Presentation) (string, string) { |
| 22 | if title := strings.TrimSpace(info.Title); title != "" { |
| 23 | return title, topicTitleSourceManual |
| 24 | } |
| 25 | if info.TitleSequence == 0 { |
| 26 | if title := strings.TrimSpace(presentation.Title); title != "" && !isDefaultTopicTitle(title) { |
| 27 | return title, topicTitleSourceManual |
| 28 | } |
| 29 | } |
| 30 | if preview := strings.TrimSpace(info.Preview); preview != "" { |
| 31 | return preview, topicTitleSourceAuto |
| 32 | } |
| 33 | return defaultTopicTitle, topicTitleSourceAuto |
| 34 | } |
| 35 | |
| 36 | // canonicalTabTitle resolves the projected name for ref. Callers run it before |
| 37 | // taking App.mu: the catalog read may touch the filesystem. |
| 38 | func (a *App) canonicalTabTitle(ctx context.Context, state workspacestate.State, ref session.SessionRef) (string, string) { |
| 39 | return a.canonicalTabTitleWithPresentation(ctx, state.Presentation[ref.SessionID], ref) |
| 40 | } |
| 41 | |
| 42 | func (a *App) canonicalTabTitleWithPresentation(ctx context.Context, presentation workspacestate.Presentation, ref session.SessionRef) (string, string) { |
| 43 | info, err := a.desktopSessionService("").Query().Stat(ctx, ref) |
| 44 | if err != nil { |
| 45 | info = session.SessionInfo{} |
| 46 | } |
| 47 | return sessionDisplayTitle(info, presentation) |
| 48 | } |
| 49 | |
| 50 | // publishCanonicalSessionTitle is the single exit of every canonical rename. |
| 51 | // It mirrors the committed log title into each local reader that still |
| 52 | // caches a name: the presentation row (cold binds, trash rows, fork labels), |
| 53 | // the open tabs, the prompt-history cache, and the project tree. |
| 54 | func (a *App) publishCanonicalSessionTitle(ref session.SessionRef, title string) { |
| 55 | title = strings.TrimSpace(title) |
| 56 | ctx := a.bootContext() |
| 57 | if err := a.workspaceRegistry().UpdatePresentation(ctx, []string{ref.SessionID}, &title, nil); err != nil { |
| 58 | slog.Warn("desktop: session title presentation write-through failed", "session", ref.SessionID, "err", err) |
| 59 | } |
| 60 | display, source := title, topicTitleSourceManual |
| 61 | if display == "" { |
| 62 | // A cleared name falls back through the shared chain instead of |
| 63 | // leaving the tab blank while the sidebar shows the preview. |
| 64 | state, err := a.workspaceRegistry().Load(ctx) |
| 65 | if err != nil { |
| 66 | state = workspacestate.State{} |
| 67 | } |
| 68 | display, source = a.canonicalTabTitle(ctx, state, ref) |
| 69 | } |
| 70 | a.updateCanonicalSessionTitle(ref, display, source) |
| 71 | a.invalidatePromptHistoryCache() |
| 72 | a.emitProjectTreeChanged() |
| 73 | } |
| 74 | |
| 75 | // projectLegacySessionTitleToTabs mirrors a legacy session's branch-meta |
| 76 | // custom title into the open tabs bound to that file. The topic title remains |
| 77 | // the fallback when the custom title is cleared. |
| 78 | func (a *App) projectLegacySessionTitleToTabs(sessionPath string) { |
| 79 | meta, ok, err := agent.LoadBranchMeta(sessionPath) |
| 80 | if err != nil || !ok { |
| 81 | return |
| 82 | } |
| 83 | title := strings.TrimSpace(meta.CustomTitle) |
| 84 | a.mu.Lock() |
| 85 | defer a.mu.Unlock() |
| 86 | changed := false |
| 87 | for _, tab := range a.runtimeTabsLocked() { |
| 88 | if tab == nil || tab.SessionID != "" || !sessionRuntimeKeysOverlap(tab, sessionPath) { |
| 89 | continue |
| 90 | } |
| 91 | next, source := title, topicTitleSourceManual |
| 92 | if next == "" { |
| 93 | next = topicTitleForTab(tab.Scope, tab.WorkspaceRoot, tab.TopicID) |
| 94 | source = loadTopicTitleSource(topicTitleRoot(tab.Scope, tab.WorkspaceRoot), tab.TopicID) |
| 95 | } |
| 96 | if tab.TopicTitle == next && tab.topicTitleSource == source { |
| 97 | continue |
| 98 | } |
| 99 | tab.TopicTitle, tab.topicTitleSource = next, source |
| 100 | changed = true |
| 101 | } |
| 102 | if changed { |
| 103 | a.saveTabsLocked() |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | // syncSessionTitleFromBranchMeta projects the current canonical custom title |
| 108 | // while holding the legacy map lock, so a delayed callback observes a newer |
| 109 | // rename instead of publishing the stale title value it originally received. |
| 110 | func syncSessionTitleFromBranchMeta(dir, sessionPath string) error { |
| 111 | sessionPath, _, err := validateSessionPath(dir, sessionPath) |
| 112 | if err != nil { |
| 113 | return err |
| 114 | } |
| 115 | key := filepath.Base(sessionPath) |
| 116 | var loadErr error |
| 117 | err = updateSessionTitles(dir, func(m map[string]string) bool { |
| 118 | meta, ok, err := agent.LoadBranchMeta(sessionPath) |
| 119 | if err != nil { |
| 120 | loadErr = err |
| 121 | return false |
| 122 | } |
| 123 | title := "" |
| 124 | if ok { |
| 125 | title = strings.TrimSpace(meta.CustomTitle) |
| 126 | } |
| 127 | if title == "" { |
| 128 | if _, exists := m[key]; !exists { |
| 129 | return false |
| 130 | } |
| 131 | delete(m, key) |
| 132 | return true |
| 133 | } |
| 134 | if m[key] == title { |
| 135 | return false |
| 136 | } |
| 137 | m[key] = title |
| 138 | return true |
| 139 | }) |
| 140 | if err != nil { |
| 141 | return err |
| 142 | } |
| 143 | if loadErr != nil { |
| 144 | return fmt.Errorf("load canonical session title: %w", loadErr) |
| 145 | } |
| 146 | return nil |
| 147 | } |
| 148 |