1package modes
2
3import (
4 "context"
5 "fmt"
6 "os"
7 "path/filepath"
8 "strings"
9 "sync"
10 "time"
11
12 "github.com/patriceckhart/zot/internal/agent/extensions"
13 "github.com/patriceckhart/zot/internal/agent/modes/telegram"
14 "github.com/patriceckhart/zot/internal/agent/tools"
15 "github.com/patriceckhart/zot/internal/auth"
16 "github.com/patriceckhart/zot/internal/core"
17 "github.com/patriceckhart/zot/internal/extproto"
18 "github.com/patriceckhart/zot/internal/provider"
19 "github.com/patriceckhart/zot/internal/skills"
20 "github.com/patriceckhart/zot/internal/tui"
21)
22
23// InteractiveConfig configures the interactive loop.
24type InteractiveConfig struct {
25 Terminal tui.Terminal
26 Theme tui.Theme
27 Model string
28 Provider string
29 AuthMethod string // "apikey" | "oauth" — used to tag cost as (sub) in status bar
30 BaseURL string
31 Reasoning string
32 SystemPrompt string
33 Tools core.Registry
34 MaxSteps int
35 CWD string
36
37 // Agent is optional. If nil, zot opens without credentials; the
38 // user must /login before they can prompt.
39 Agent *core.Agent
40
41 InitialInput string
42
43 // Auth is required. When the user runs /login, Interactive talks to
44 // AuthManager to open a browser and wait for the callback.
45 AuthManager *auth.Manager
46 // BuildAgent is called after a successful login to (re)construct the
47 // agent with the fresh credential. It returns the new agent and
48 // the concrete provider/model in use.
49 BuildAgent func() (*core.Agent, string, string, error)
50
51 // BuildAgentFor rebuilds the agent with an explicit provider/model
52 // override (used by the /model picker when switching providers).
53 // If providerOverride is empty, the current provider is kept.
54 BuildAgentFor func(providerOverride, modelOverride string) (*core.Agent, string, string, error)
55
56 // LoggedInProviders returns the list of provider names that
57 // currently have credentials. Used by /model to filter the
58 // picker to only show reachable models.
59 LoggedInProviders func() []string
60
61 // ZotHome is the root directory for sessions/, used by /sessions
62 // and the update-check cache.
63 ZotHome string
64
65 // Version is the binary's current version (from main.version).
66 // Used only for display; the update check itself is done outside
67 // this package to avoid an import cycle.
68 Version string
69
70 // UpdateInfoChan is an optional channel that delivers the result
71 // of the github-release update check. Interactive reads at most
72 // one value, drops it if the check reported nothing, and otherwise
73 // surfaces a yellow "update available" banner at the top of the
74 // chat. Nil channel = no banner, no startup cost.
75 UpdateInfoChan <-chan UpdateInfo
76
77 // Sandbox is the shared sandbox pointer. Toggled by /jail and /unjail.
78 Sandbox *tools.Sandbox
79
80 // LoadSession swaps the current session for the one at path. The
81 // callback returns the new agent message slice so the TUI can invalidate.
82 LoadSession func(path string) error
83
84 // CurrentSessionPath returns the path of the live session file
85 // on disk (the one every AppendMessage writes to). Used by
86 // /session export so the exporter ships the exact bytes on
87 // disk. Returns an empty string when --no-session is set or
88 // no session is open.
89 CurrentSessionPath func() string
90
91 // FlushSession writes any in-memory agent messages to the
92 // session file that haven't been persisted yet. Called by
93 // /session export right before reading the file so the
94 // exported bytes reflect the full current conversation, not
95 // just the rows the agent happened to write synchronously.
96 // The default WriteNewTranscript-at-exit strategy means most
97 // of a running session lives only in memory until the tui
98 // closes; without a flush hook, /session export writes a
99 // file that only has the meta row.
100 FlushSession func()
101
102 // PersistModel is called whenever the user switches model or provider.
103 // It should update config.json and (if there's an active session)
104 // write a new meta row so resume picks up the same model.
105 PersistModel func(providerName, model string)
106
107 OnAssistant func(m provider.Message)
108 OnToolResult func(id string, r core.ToolResult)
109
110 // Extensions, if non-nil, lets users invoke extension-registered
111 // slash commands. Commands declared by extensions are looked up
112 // AFTER the built-in catalog so a built-in name always wins.
113 Extensions *extensions.Manager
114
115 // SkillSnapshot, if non-nil, returns the current list of
116 // discovered SKILL.md files. Re-invoked each time /skills opens
117 // so the picker reflects edits made during the session.
118 SkillSnapshot func() []*skills.Skill
119
120 // ChangelogChan, if non-nil, delivers release-notes for the
121 // current binary version once at startup. Interactive opens a
122 // dismissible overlay when the channel produces a non-empty
123 // body. Receiver fires at most once.
124 ChangelogChan <-chan ChangelogPayload
125
126 // OnChangelogDismiss, if non-nil, is called once the user
127 // closes the changelog overlay. The cli wires this to a
128 // MarkChangelogShown call so the same version doesn't show
129 // again on the next launch.
130 OnChangelogDismiss func()
131
132 // NoYolo is true when --no-yolo was passed. Interactive opens
133 // a confirmation dialog before every tool call and blocks the
134 // tool until the user picks yes / always-this-tool /
135 // always-all / no. When false (default), tools run freely.
136 NoYolo bool
137
138 // ConfirmGate is the session-scoped gate wrapping this
139 // interactive's Confirmer. When non-nil, /yolo can call
140 // AllowAll() on it to disable confirmation for the rest of the
141 // session. When nil (yolo mode), /yolo reports that there's
142 // nothing to disable.
143 ConfirmGate *core.ConfirmGate
144}
145
146// ChangelogPayload mirrors agent.ChangelogInfo without the import
147// cycle. The cli builds one from the http response, the tui opens
148// the overlay when one arrives.
149type ChangelogPayload struct {
150 Version string
151 Body string
152 URL string
153}
154
155// Interactive is the TUI chat loop.
156type Interactive struct {
157 cfg InteractiveConfig
158 view *tui.View
159 ed *tui.Editor
160 rend *tui.Renderer
161
162 mu sync.Mutex
163 agent *core.Agent
164 streaming strings.Builder // what's currently painted on screen
165 streamOn bool
166
167 // streamPending is the runes buffered after each EvTextDelta that
168 // haven't yet been promoted into `streaming` for rendering. It
169 // exists because some provider paths (notably Anthropic via the
170 // oauth/subscription channel) coalesce the model's output into a
171 // few fat chunks instead of drip-streaming. Painting those fat
172 // chunks verbatim looks like the summary "just appears". The
173 // paintPace goroutine drains a handful of runes per tick from
174 // this buffer into `streaming`, giving every path the same
175 // typewriter feel regardless of upstream chunk size.
176 streamPending []rune
177 // streamFlushPending is set when EvAssistantMessage fires while
178 // streamPending still has unrendered runes. The ticker flushes
179 // them, then closes out the stream (clearing flags, resetting
180 // buffers) so the final paint matches the on-disk message.
181 streamFlushPending bool
182 toolCalls map[string]*tui.ToolCallView
183 toolOrder []string
184 statusErr string
185 statusOK string
186 helpBlock []string // rendered above the chat when /help was typed
187 cumUsage provider.Usage
188 lastCtxInput int // input_tokens of the most recent turn — approximates current context size
189 busy bool
190 dirty chan struct{}
191 cancelTurn context.CancelFunc
192 scrollOffset int // rows from the bottom; 0 = pinned to latest
193 prevScrollOffset int // last value redraw snapped against; tracks intent
194
195 // prevChatLen and prevChatCols track the chat buffer's size at the
196 // last redraw so that when content grows below the user's viewport
197 // while they're scrolled up reading history, we can bump
198 // scrollOffset by exactly the growth and keep the visible content
199 // pinned. Without this, every streamed line shifts the visible
200 // window down through the buffer (because scrollOffset is measured
201 // from the bottom) and the user's reading position drifts upward
202 // and off the top.
203 prevChatLen int
204 prevChatCols int
205
206 // Messages typed while a turn is in flight. Each is delivered as
207 // its own follow-up turn once the current one finishes. Rendered
208 // above the status bar as "sliding in: ..." chips.
209 queued []string
210
211 // runCtx is the top-level context passed to Run(). Follow-up turns
212 // drained from `queued` are started against this context so they
213 // survive past the ctx of the key event that enqueued them.
214 runCtx context.Context
215
216 // autoCompacting is true while a model-triggered compaction is in
217 // flight. Surfaced in the status bar so the user can tell a
218 // condense pass from a regular assistant turn.
219 autoCompacting bool
220
221 // updateInfo is the result of the async update check. Zero value
222 // while the check hasn't completed or nothing is available.
223 updateInfo UpdateInfo
224
225 dialog *loginDialog
226 modelDialog *modelDialog
227 sessionDialog *sessionDialog
228 jumpDialog *jumpDialog
229 btwDialog *btwDialog
230 skillsDialog *skillsDialog
231 changelogDialog *changelogDialog
232 confirmDialog *confirmDialog
233 logoutDialog *logoutDialog
234 telegramDialog *telegramDialog
235 telegramBridge *telegram.Bridge
236 sessionOpsDialog *sessionOpsDialog
237 sessionTreeDialog *sessionTreeDialog
238 extPanel *extPanelDialog
239
240 // pendingFork is true when the user ran /session fork: the next
241 // jump-picker selection should branch off that message instead
242 // of scrolling. Flag resets after the action fires or the dialog
243 // is dismissed, so repeated /jump calls don't turn into forks.
244 pendingFork bool
245 suggest *slashSuggester
246 fileSuggest *fileSuggester
247 spin *spinner
248
249 // parkedTurn is the 1-based turn number the viewport is currently
250 // scrolled to by /jump. 0 = not parked, showing the tail as usual.
251 // Rendered as a muted footer at the bottom of the chat so users
252 // don't forget they're looking at history.
253 parkedTurn int
254 parkedTotal int
255
256 // lastCtrlC is when the user last pressed ctrl+c. The first press
257 // clears the editor / cancels a turn / shows a hint; a second press
258 // within ctrlCExitWindow exits. Mirrors the python-repl convention.
259 lastCtrlC time.Time
260
261 // welcomeStart is when the interactive run began. The welcome
262 // banner shows the binary version for welcomeVersionDuration
263 // after this point and reverts to plain text after.
264 welcomeStart time.Time
265
266 // extNotes are one-shot styled lines pushed by extensions via
267 // Notify / Display. They live above the editor (just below the
268 // transcript) until cleared by /clear or another reset.
269 extNotes []string
270}
271
272// welcomeVersionDuration is how long the welcome banner shows the
273// version suffix before reverting to the plain headline. 1.5s is
274// enough to read at a glance and keeps the splash short.
275const welcomeVersionDuration = 1500 * time.Millisecond
276
277// NewInteractive constructs an Interactive from cfg.
278func NewInteractive(cfg InteractiveConfig) *Interactive {
279 i := &Interactive{
280 cfg: cfg,
281 view: &tui.View{
282 Theme: cfg.Theme,
283 ImageProto: tui.DetectImageProtocol(),
284 },
285 // Prompt is the standard half-block accent bar used by chat
286 // speaker labels too, so the input gutter matches the rest
287 // of the UI.
288 ed: tui.NewEditor(cfg.Theme.AccentBar(cfg.Theme.Accent)),
289 rend: tui.NewRenderer(cfg.Terminal),
290 toolCalls: map[string]*tui.ToolCallView{},
291 dirty: make(chan struct{}, 8),
292 dialog: newLoginDialog(),
293 modelDialog: newModelDialog(),
294 sessionDialog: newSessionDialog(),
295 jumpDialog: newJumpDialog(),
296 btwDialog: newBtwDialog(),
297 skillsDialog: newSkillsDialog(),
298 changelogDialog: newChangelogDialog(),
299 confirmDialog: newConfirmDialog(),
300 logoutDialog: newLogoutDialog(),
301 telegramDialog: newTelegramDialog(),
302 sessionOpsDialog: newSessionOpsDialog(),
303 sessionTreeDialog: newSessionTreeDialog(),
304 extPanel: newExtPanelDialog(),
305 suggest: newSlashSuggester(),
306 fileSuggest: newFileSuggester(),
307 spin: newSpinner(),
308 }
309 if cfg.Agent != nil {
310 i.agent = cfg.Agent
311 i.view.Messages = cfg.Agent.Messages()
312 i.cumUsage = cfg.Agent.Cost()
313 }
314 return i
315}
316
317// Run blocks until the user quits.
318func (i *Interactive) Run(ctx context.Context) error {
319 i.runCtx = ctx
320 term := i.cfg.Terminal
321 restore, err := term.EnterRaw()
322 if err != nil {
323 return err
324 }
325 defer restore()
326 defer func() {
327 if i.telegramBridge != nil {
328 i.telegramBridge.Stop()
329 }
330 }()
331
332 _, _ = term.Write([]byte(tui.SeqBracketedPasteOn))
333 _, _ = term.Write([]byte(tui.SeqAltScreenOn))
334 defer term.Write([]byte(tui.SeqAltScreenOff + tui.SeqBracketedPasteOff + tui.SeqShowCursor))
335
336 // Streaming pacer: drains buffered text deltas at a steady rate
337 // so typewriter feel is identical across providers regardless of
338 // upstream chunk size. Starts here so it lives for the whole
339 // session and exits with ctx.
340 go i.runStreamPacer(ctx)
341
342 cols, rows := term.Size()
343 i.rend.Resize(cols, rows)
344 term.OnResize(func() {
345 c, r := term.Size()
346 i.rend.Resize(c, r)
347 // Force an immediate redraw on resize. The throttled invalidate
348 // path is fine for animation, but a window resize is a discrete
349 // user action where any visible delay (or stale frame) reads as
350 // brokenness. redraw() is mutex-safe; the worst that happens is
351 // a duplicate paint if the throttler is mid-flight, which is
352 // invisible.
353 i.redraw()
354 })
355
356 if i.cfg.InitialInput != "" {
357 i.ed.SetValue(i.cfg.InitialInput)
358 }
359
360 // Stamp the welcome time and schedule a one-shot redraw at the
361 // expiry so the version suffix disappears on its own even if the
362 // user hasn't typed anything yet.
363 i.welcomeStart = time.Now()
364 time.AfterFunc(welcomeVersionDuration, i.invalidate)
365
366 // If the agent was constructed with a pre-loaded transcript
367 // (--continue, --resume, --session) park the viewport on the
368 // most recent turn so the user lands looking at where the
369 // previous session left off rather than at the bottom of an
370 // already-rendered final reply.
371 if i.agent != nil {
372 if msgs := i.agent.Messages(); len(msgs) > 0 {
373 i.scrollToLastTurn(msgs)
374 }
375 }
376
377 // No credential at startup? Auto-open the login dialog, and mark
378 // the status line. The user can Esc out of the dialog if they
379 // want to dismiss it (e.g. to check /help or /exit first).
380 if i.agent == nil {
381 i.statusErr = "not logged in. pick a login method below or press esc to dismiss."
382 i.dialog.Open(i.cfg.ZotHome)
383 }
384
385 // Input goroutine.
386 keys := make(chan tui.Key, 8)
387 go func() {
388 reader := tui.NewReaderWithPeek(term.ReadByte, term.PeekByteTimeout)
389 for {
390 k, err := reader.Read()
391 if err != nil {
392 return
393 }
394 keys <- k
395 }
396 }()
397
398 // Subscribe to auth events.
399 var authEvents <-chan auth.Event
400 if i.cfg.AuthManager != nil {
401 authEvents = i.cfg.AuthManager.Events()
402 }
403
404 // Animation ticker: drives spinner and dialog-related redraws when
405 // nothing else changed. 120ms is slow enough that highlighting a huge
406 // transcript doesn't spin the cpu.
407 tick := time.NewTicker(120 * time.Millisecond)
408 defer tick.Stop()
409
410 // Redraw throttle: coalesce bursts of invalidate() calls so we paint
411 // at most once every redrawMinInterval. Huge tool-result dumps can
412 // fire hundreds of invalidations while the user is typing; without
413 // this, the input goroutine never gets CPU and keystrokes lag.
414 const redrawMinInterval = 16 * time.Millisecond
415 var lastRedraw time.Time
416 var pendingRedraw bool
417 var pendingTimer *time.Timer
418
419 drainPending := func() {
420 if pendingTimer != nil {
421 pendingTimer.Stop()
422 pendingTimer = nil
423 }
424 if pendingRedraw {
425 pendingRedraw = false
426 lastRedraw = time.Now()
427 i.redraw()
428 }
429 }
430
431 requestRedraw := func() {
432 since := time.Since(lastRedraw)
433 if since >= redrawMinInterval {
434 // Redrawing right now subsumes any pending redraw, so clear
435 // the throttle state. Without this, a pending flag stays
436 // stuck at true and subsequent invalidate() calls within
437 // redrawMinInterval get dropped — which is exactly how the
438 // final "turn finished" frame went missing until the user
439 // nudged the ui by typing or scrolling.
440 if pendingTimer != nil {
441 pendingTimer.Stop()
442 }
443 pendingRedraw = false
444 lastRedraw = time.Now()
445 i.redraw()
446 return
447 }
448 if pendingRedraw {
449 return // already scheduled
450 }
451 pendingRedraw = true
452 wait := redrawMinInterval - since
453 if pendingTimer == nil {
454 pendingTimer = time.AfterFunc(wait, func() {
455 // Poke the dirty channel so the main loop wakes and
456 // drains the pending redraw on its own goroutine. We
457 // can't call drainPending here directly — it touches
458 // closure state shared with the main loop.
459 i.invalidate()
460 })
461 } else {
462 pendingTimer.Reset(wait)
463 }
464 }
465
466 i.invalidate()
467
468 updates := i.cfg.UpdateInfoChan // nil-safe; nil channel blocks forever in select
469 changelog := i.cfg.ChangelogChan // single-shot, see case below
470
471 for {
472 select {
473 case <-ctx.Done():
474 return ctx.Err()
475 case k := <-keys:
476 if done := i.handleKey(ctx, k); done {
477 return nil
478 }
479 i.invalidate()
480 case ev := <-authEvents:
481 i.handleAuthEvent(ev)
482 i.invalidate()
483 case info, ok := <-updates:
484 if ok && info.Available {
485 i.mu.Lock()
486 i.updateInfo = info
487 i.mu.Unlock()
488 i.invalidate()
489 }
490 updates = nil // single-shot; subsequent iterations skip this case
491 case cl, ok := <-changelog:
492 if ok && cl.Body != "" {
493 i.changelogDialog.Open(cl.Version, cl.URL, cl.Body)
494 i.invalidate()
495 }
496 changelog = nil // single-shot
497 case <-i.dirty:
498 requestRedraw()
499 case <-tick.C:
500 // Always drain a pending redraw on the tick. This is the
501 // safety net that catches the case where the dirty channel
502 // was saturated when the final "turn finished" invalidate
503 // fired, or where the throttle scheduled a deferred redraw
504 // and the AfterFunc-driven invalidate got dropped on a
505 // full channel.
506 drainPending()
507 // Only force a periodic redraw when something is actually
508 // animating (the main spinner during a busy turn, or the
509 // btw side-chat spinner while it's awaiting a response).
510 // Static pickers (model, session, jump, etc.) don't need
511 // the tick and firing it cancels the terminal's cursor
512 // blink inside dialogs that host their own editor (btw),
513 // because each frame re-emits hide-cursor + show-cursor.
514 if i.busy || i.btwDialog.Loading() {
515 requestRedraw()
516 }
517 }
518 }
519}
520
521func (i *Interactive) invalidate() {
522 select {
523 case i.dirty <- struct{}{}:
524 default:
525 }
526}
527
528// lastCols returns the current terminal width in columns.
529func (i *Interactive) lastCols() int {
530 cols, _ := i.cfg.Terminal.Size()
531 return cols
532}
533
534// chatPage returns the number of chat rows currently visible, used
535// as the page size for PageUp/PageDown.
536func (i *Interactive) chatPage() int {
537 _, rows := i.cfg.Terminal.Size()
538 p := rows - 6 // rough reservation for status + editor + a dialog line
539 if p < 4 {
540 p = 4
541 }
542 return p
543}
544
545// scrollBy adjusts the scroll offset. Positive = up (into history).
546// Clearing the parked-turn label when we're back at the bottom means
547// the "viewing turn N" footer goes away automatically as soon as you
548// scroll back to the live tail.
549func (i *Interactive) scrollBy(delta int) {
550 i.mu.Lock()
551 i.scrollOffset += delta
552 if i.scrollOffset < 0 {
553 i.scrollOffset = 0
554 }
555 if i.scrollOffset == 0 {
556 i.parkedTurn = 0
557 i.parkedTotal = 0
558 }
559 if i.rend != nil {
560 // VS Code's terminal is especially prone to leaving stray
561 // wrapped-character fragments behind during scroll-driven
562 // viewport changes. Force a full repaint on scroll, but
563 // avoid a whole-screen clear because that visibly flickers.
564 i.rend.Invalidate()
565 }
566 i.mu.Unlock()
567 i.invalidate()
568}
569
570// scrollToBottom pins the view to the latest content.
571func (i *Interactive) scrollToBottom() {
572 i.mu.Lock()
573 i.scrollOffset = 0
574 i.parkedTurn = 0
575 i.parkedTotal = 0
576 if i.rend != nil {
577 i.rend.Invalidate()
578 }
579 i.mu.Unlock()
580 i.invalidate()
581}
582
583func (i *Interactive) redraw() {
584 i.mu.Lock()
585 defer i.mu.Unlock()
586
587 cols, _ := i.cfg.Terminal.Size()
588 if i.agent != nil {
589 i.view.Messages = filterHiddenTranscriptMessages(i.agent.Messages())
590 } else {
591 i.view.Messages = nil
592 }
593 // Pacer flush: while the streaming pacer is still draining the
594 // buffer (i.e. EvAssistantMessage already fired but more runes
595 // are queued), the final assistant message is already in
596 // i.agent.Messages() in full. Painting it in the transcript
597 // AND the streaming block at the same time shows the user the
598 // complete text immediately — which defeats the whole pacer.
599 // Hide the last message until the pacer catches up; once the
600 // flush-pending latch clears, the message is revealed (the
601 // streaming block disappears the same frame because streamOn
602 // flips off, so the transition is seamless).
603 if i.streamFlushPending && len(i.view.Messages) > 0 {
604 i.view.Messages = i.view.Messages[:len(i.view.Messages)-1]
605 }
606 i.view.Streaming = i.streaming.String()
607 i.view.StreamingActive = i.streamOn
608 // Guard against the narrow race where EvAssistantMessage has
609 // just promoted a streaming reply into the transcript but a
610 // render tick hasn't flipped streamOn off yet. Without the
611 // guard, the same text would appear twice (once as the
612 // in-flight streaming block, once as the last transcript
613 // message). We detect the duplicate strictly: the last
614 // assistant message's visible text must equal the streaming
615 // buffer. Just matching on role is too broad — it also hides
616 // the next round's typewriter streaming after a tool turn,
617 // because the last transcript message is always assistant
618 // (the tool-use block) until the follow-up summary lands.
619 if i.streamOn && i.streaming.Len() > 0 {
620 if n := len(i.view.Messages); n > 0 && i.view.Messages[n-1].Role == provider.RoleAssistant {
621 if assistantText(i.view.Messages[n-1]) == i.streaming.String() {
622 i.view.StreamingActive = false
623 }
624 }
625 }
626 // Live tool-call view: only shown while a turn is in flight. Once
627 // the agent is idle, every tool call has already been folded into
628 // the transcript (as assistant.ToolCallBlock + a tool-role message),
629 // so showing v.ToolCalls a second time would duplicate them below
630 // the final assistant text — which looks like the summary came
631 // "before" the tools.
632 i.view.ToolCalls = i.view.ToolCalls[:0]
633 if i.busy {
634 for _, id := range i.toolOrder {
635 if tc, ok := i.toolCalls[id]; ok {
636 i.view.ToolCalls = append(i.view.ToolCalls, *tc)
637 }
638 }
639 }
640 i.view.Err = i.statusErr
641
642 chat := i.view.Build(cols)
643
644 // Welcome banner: shown at the top of the chat area when there is
645 // no transcript yet. Disappears after the first message is sent.
646 // The version suffix is shown for welcomeVersionDuration after
647 // startup, then drops off automatically.
648 if len(i.view.Messages) == 0 && !i.streamOn && len(i.toolOrder) == 0 {
649 showVer := !i.welcomeStart.IsZero() && time.Since(i.welcomeStart) < welcomeVersionDuration
650 chat = append(welcomeBanner(i.cfg.Theme, i.cfg.Version, showVer), chat...)
651 }
652
653 // Update-available banner: prepended above everything else so it's
654 // the first thing the user sees when opening a new zot session.
655 // Once rendered, it stays until the user updates to a newer
656 // version — we don't persist a "dismissed" flag because this is
657 // cheap and re-showing it is how most users remember to update.
658 if i.updateInfo.Available {
659 banner := renderUpdateBanner(i.cfg.Theme, i.updateInfo, cols)
660 chat = append(banner, chat...)
661 }
662
663 // /help block: appended to the transcript so it appears at the
664 // bottom of the chat area (right above the status bar / editor).
665 // Prepending it would push long conversations off the top of the
666 // viewport, which users would miss entirely.
667 if len(i.helpBlock) > 0 {
668 chat = append(chat, i.helpBlock...)
669 }
670
671 if i.statusOK != "" {
672 // Hard-truncate the OK line to the visible width so a long
673 // session path ("resumed session: /Users/.../sessions/...")
674 // doesn't overflow past the right edge and look broken on a
675 // narrow terminal.
676 line := "✓ " + i.statusOK
677 if cols > 4 && len(line) > cols {
678 line = line[:cols-1] + "…"
679 }
680 chat = append(chat, i.cfg.Theme.FG256(i.cfg.Theme.Tool, line), "")
681 }
682
683 // Extension notes (notify / display) live just under the
684 // transcript, above the dialog/editor band. Cleared by /clear.
685 if len(i.extNotes) > 0 {
686 chat = append(chat, i.extNotes...)
687 chat = append(chat, "")
688 }
689
690 // Dialogs (login or model picker) render between chat and the editor.
691 var dialog []string
692 switch {
693 case i.dialog.Active():
694 dialog = i.dialog.Render(i.cfg.Theme, cols)
695 case i.modelDialog.Active():
696 dialog = i.modelDialog.Render(i.cfg.Theme, cols)
697 case i.sessionDialog.Active():
698 // Reserve rows for the editor (~3), status line (1-2),
699 // dialog chrome (header + hint + rule + indicators, ~5),
700 // and leave the remainder for session rows. Minimum of 3
701 // rows so even a very small terminal shows something.
702 _, rows := i.cfg.Terminal.Size()
703 avail := rows - 12
704 if avail < 3 {
705 avail = 3
706 }
707 i.sessionDialog.MaxRows = avail
708 dialog = i.sessionDialog.Render(i.cfg.Theme, cols)
709 case i.jumpDialog.Active():
710 dialog = i.jumpDialog.Render(i.cfg.Theme, cols)
711 case i.btwDialog.Active():
712 dialog = i.btwDialog.Render(i.cfg.Theme, cols)
713 case i.skillsDialog.Active():
714 dialog = i.skillsDialog.Render(i.cfg.Theme, cols)
715 case i.changelogDialog.Active():
716 dialog = i.changelogDialog.Render(i.cfg.Theme, cols)
717 case i.confirmDialog.Active():
718 dialog = i.confirmDialog.Render(i.cfg.Theme, cols)
719 case i.logoutDialog.Active():
720 dialog = i.logoutDialog.Render(i.cfg.Theme, cols)
721 case i.telegramDialog.Active():
722 dialog = i.telegramDialog.Render(i.cfg.Theme, cols)
723 case i.sessionOpsDialog.Active():
724 dialog = i.sessionOpsDialog.Render(i.cfg.Theme, cols)
725 case i.sessionTreeDialog.Active():
726 dialog = i.sessionTreeDialog.Render(i.cfg.Theme, cols)
727 case i.extPanel.Active():
728 dialog = i.extPanel.Render(i.cfg.Theme, cols)
729 }
730
731 // Slash-command autocomplete: popup above the status line, only
732 // when the editor starts with "/" and no dialog is already open.
733 // Feed extension-registered commands into the suggester first so
734 // they show up in tab-complete + the popup alongside the built-ins.
735 if i.cfg.Extensions != nil {
736 catalog := i.cfg.Extensions.Commands()
737 extra := make([]slashCommand, 0, len(catalog))
738 for _, c := range catalog {
739 // The popup renders extension commands under a dedicated
740 // "── extensions ───" divider, so the description doesn't
741 // need to repeat the source. If the description is empty,
742 // fall back to the extension name so the row isn't blank.
743 desc := c.Description
744 if strings.TrimSpace(desc) == "" {
745 desc = "(" + c.Extension + ")"
746 }
747 extra = append(extra, slashCommand{
748 Name: "/" + c.Name,
749 Desc: desc,
750 })
751 }
752 i.suggest.SetExtra(extra)
753 }
754 var suggest []string
755 currentInput := i.ed.Value()
756 // Slash popup renders even while the agent is busy so the user
757 // can queue a destructive command (/clear, /compact, /logout,
758 // /model) or a read-only one (/help, /jump, /sessions, etc.)
759 // without waiting for the current turn to finish. The dispatcher
760 // in runSlash already handles the busy case per-command: safe
761 // ones run immediately, destructive ones cancel the turn first.
762 i.fileSuggest.SetCWD(i.cfg.CWD)
763 if len(dialog) == 0 && i.suggest.Active(currentInput) {
764 suggest = i.suggest.Render(currentInput, i.cfg.Theme, cols)
765 } else if len(dialog) == 0 && i.fileSuggest.Active(currentInput) {
766 suggest = i.fileSuggest.Render(currentInput, i.cfg.Theme, cols)
767 }
768
769 // Busy prefix shown at the far left of the status bar. The
770 // spinner glyph and its funny-line message share the `zot`
771 // label colour (Theme.Assistant) so the whole "who's working"
772 // band reads at a glance. Elapsed time stays muted because it
773 // drifts every second and shouldn't grab focus.
774 var busyPrefix string
775 if i.busy {
776 busyPrefix = fmt.Sprintf("%s %s %s %s",
777 i.cfg.Theme.FG256(i.cfg.Theme.Assistant, i.spin.Frame()),
778 i.cfg.Theme.FG256(i.cfg.Theme.Assistant, i.spin.Message()),
779 i.cfg.Theme.FG256(i.cfg.Theme.Muted, "-"),
780 i.cfg.Theme.FG256(i.cfg.Theme.Muted, i.spin.Elapsed().String()),
781 )
782 }
783
784 ctxMax := 0
785 if m, err := provider.FindModel(i.cfg.Provider, i.cfg.Model); err == nil {
786 ctxMax = m.ContextWindow
787 }
788 statusLines := tui.StatusBar(tui.StatusBarParams{
789 Theme: i.cfg.Theme,
790 Provider: i.cfg.Provider,
791 Model: i.cfg.Model,
792 Busy: i.busy,
793 BusyPrefix: busyPrefix,
794 CWD: i.cfg.CWD,
795 Locked: i.cfg.Sandbox.Locked(),
796 Usage: i.cumUsage,
797 Subscription: i.cfg.AuthMethod == "oauth",
798 ContextUsed: i.lastCtxInput,
799 ContextMax: ctxMax,
800 AutoCompacting: i.autoCompacting,
801 Telegram: i.telegramBridge != nil && i.telegramBridge.Active(),
802 Cols: cols,
803 })
804 edLines, curR, curC := i.ed.Render(cols)
805
806 // "Sliding in" chips for messages the user typed while a turn is
807 // in flight. Shown directly above the status bar so they're close
808 // to the editor but don't push the chat around.
809 var queue []string
810 if len(i.queued) > 0 {
811 for _, q := range i.queued {
812 label := i.cfg.Theme.FG256(i.cfg.Theme.Accent, " sliding in: ")
813 text := truncateLine(q, cols-17)
814 queue = append(queue, label+i.cfg.Theme.FG256(i.cfg.Theme.Muted, text))
815 }
816 queue = append(queue, "")
817 }
818
819 // Bottom-sticky sections (always visible, never scroll). One
820 // blank row above statusLines so the spinner / model / cwd
821 // block doesn't sit flush against the chat content above it,
822 // one blank between status bar and editor for input breathing
823 // room, and one trailing blank at the very bottom so the
824 // editor isn't flush against the terminal edge.
825 bottom := make([]string, 0, len(dialog)+len(suggest)+len(queue)+len(edLines)+4)
826 bottom = append(bottom, dialog...)
827 bottom = append(bottom, suggest...)
828 bottom = append(bottom, queue...)
829 bottom = append(bottom, "")
830 bottom = append(bottom, statusLines...)
831 bottom = append(bottom, "")
832 bottom = append(bottom, edLines...)
833 bottom = append(bottom, "")
834
835 _, rows := i.cfg.Terminal.Size()
836 chatRows := rows - len(bottom)
837 if chatRows < 1 {
838 chatRows = 1
839 }
840
841 // Auto-follow guard: when the user has scrolled up (scrollOffset
842 // > 0) and the agent appends new content below the viewport while
843 // they're reading, compensate so the visible content stays
844 // anchored. scrollOffset is measured from the bottom of `chat`,
845 // so without compensation a growing buffer pushes the window
846 // downward through the content and the lines the user was
847 // reading scroll off the top.
848 //
849 // Skip compensation when the terminal width changed (a resize
850 // reflows the whole buffer and the line-count delta no longer
851 // corresponds to appended content) and when scrollOffset is 0
852 // (the user is following the tail and wants new content to push
853 // the view down as usual).
854 if i.scrollOffset > 0 && i.prevChatCols == cols && i.prevChatLen > 0 {
855 if delta := len(chat) - i.prevChatLen; delta != 0 {
856 i.scrollOffset += delta
857 if i.scrollOffset < 0 {
858 i.scrollOffset = 0
859 }
860 }
861 }
862 i.prevChatLen = len(chat)
863 i.prevChatCols = cols
864
865 // Apply scroll offset to the chat slice.
866 maxOffset := len(chat) - chatRows
867 if maxOffset < 0 {
868 maxOffset = 0
869 }
870 if i.scrollOffset > maxOffset {
871 i.scrollOffset = maxOffset
872 }
873 if i.scrollOffset < 0 {
874 i.scrollOffset = 0
875 }
876
877 var visibleChat []string
878 if len(chat) <= chatRows {
879 visibleChat = chat
880 } else {
881 end := len(chat) - i.scrollOffset
882 rawStart := end - chatRows
883 if rawStart < 0 {
884 rawStart = 0
885 }
886 start := snapViewportStartToImageBlock(chat, rawStart)
887 // If the snap pulled start upward (an image-block was atomic) while
888 // the user is scrolling downward, the viewport would sit on the same
889 // image until the user mashes down past every reserved row. Bump
890 // scrollOffset past the image so one keypress always clears it.
891 if start < rawStart && i.scrollOffset < i.prevScrollOffset {
892 jump := rawStart - start
893 i.scrollOffset -= jump
894 if i.scrollOffset < 0 {
895 i.scrollOffset = 0
896 }
897 end = len(chat) - i.scrollOffset
898 rawStart = end - chatRows
899 if rawStart < 0 {
900 rawStart = 0
901 }
902 start = snapViewportStartToImageBlock(chat, rawStart)
903 }
904 end = start + chatRows
905 if end > len(chat) {
906 end = len(chat)
907 start = end - chatRows
908 if start < 0 {
909 start = 0
910 }
911 }
912 visibleChat = chat[start:end]
913 }
914 i.prevScrollOffset = i.scrollOffset
915 visibleChat = clipBottomClippedImages(visibleChat)
916
917 // A tiny "scrolled up" indicator in the top-right of the chat pane
918 // so you know you're not at the bottom. When the viewport was
919 // parked by /jump we include the turn number so the user remembers
920 // they're reading history rather than the live conversation.
921 if i.scrollOffset > 0 && len(visibleChat) > 0 {
922 var text string
923 if i.parkedTurn > 0 && i.parkedTotal > 0 {
924 text = fmt.Sprintf(" ↑ viewing turn %d of %d - %d lines more below (pgdn / end)",
925 i.parkedTurn, i.parkedTotal, i.scrollOffset)
926 } else {
927 text = fmt.Sprintf(" ↑ %d lines more below (end to jump)", i.scrollOffset)
928 }
929 note := i.cfg.Theme.FG256(i.cfg.Theme.Muted, text)
930 visibleChat = append([]string{note}, visibleChat...)
931 if len(visibleChat) > chatRows {
932 visibleChat = visibleChat[:chatRows]
933 }
934 }
935
936 frame := make([]string, 0, len(visibleChat)+len(bottom))
937 frame = append(frame, visibleChat...)
938 frame = append(frame, bottom...)
939
940 // Default: the real terminal cursor sits on the main editor's
941 // input position. When an overlay dialog has its own input
942 // field (today just /btw), route the cursor there instead so
943 // the blinking cursor shows where the user is actually typing.
944 // Dialogs without a cursor (model picker, /help, /login, etc.)
945 // return -1 and the main editor keeps the cursor.
946 // +2 accounts for the blank row above statusLines (so the
947 // status block has air above it) and the blank row between
948 // statusLines and edLines (input breathing room). Without
949 // these the rendered cursor would land on a blank instead of
950 // inside the editor row.
951 cursorRow := len(visibleChat) + len(dialog) + len(suggest) + len(queue) + 1 + len(statusLines) + 1 + curR
952 cursorCol := curC
953 if i.btwDialog.Active() {
954 if r, c := i.btwDialog.CursorPos(cols); r >= 0 {
955 cursorRow = len(visibleChat) + r
956 cursorCol = c
957 }
958 }
959 if i.dialog.Active() {
960 if r, c := i.dialog.CursorPos(cols); r >= 0 {
961 cursorRow = len(visibleChat) + r
962 cursorCol = c
963 }
964 }
965 if i.sessionDialog.Active() {
966 if r, c := i.sessionDialog.CursorPos(); r >= 0 {
967 cursorRow = len(visibleChat) + r
968 cursorCol = c
969 }
970 }
971 if i.extPanel.Active() {
972 cursorRow = -1
973 cursorCol = 0
974 }
975 i.rend.Draw(frame, cursorRow, cursorCol)
976}
977
978func hasImageEscape(line string) bool {
979 return strings.Contains(line, "\x1b]1337;File=") || strings.Contains(line, "\x1b_G")
980}
981
982// snapViewportStartToImageBlock treats inline images as atomic blocks for
983// scrolling. Terminal image protocols draw from a single escape row into a
984// separate graphics layer; the following blank rows are only zot's reserved
985// footprint. If the viewport starts on one of those blank rows, there is no
986// correct partial-image state to render. Snap back to the escape row instead
987// so the image is either shown from its beginning or skipped entirely.
988func snapViewportStartToImageBlock(chat []string, start int) int {
989 if start <= 0 || start >= len(chat) {
990 return start
991 }
992 if hasImageEscape(chat[start]) || !isBoxBlankLine(chat[start]) {
993 return start
994 }
995 for k := start - 1; k >= 0; k-- {
996 line := chat[k]
997 if hasImageEscape(line) {
998 return k
999 }
1000 if !isBoxBlankLine(line) {
1001 break
1002 }
1003 }
1004 return start
1005}
1006
1007const hiddenOpenAIImageMirrorPrefix = "Tool output included the following image content:"
1008
1009func filterHiddenTranscriptMessages(msgs []provider.Message) []provider.Message {
1010 if len(msgs) == 0 {
1011 return nil
1012 }
1013 out := make([]provider.Message, 0, len(msgs))
1014 for _, m := range msgs {
1015 if isHiddenTranscriptMessage(m) {
1016 continue
1017 }
1018 out = append(out, m)
1019 }
1020 return out
1021}
1022
1023func isHiddenTranscriptMessage(m provider.Message) bool {
1024 if m.Role != provider.RoleUser || len(m.Content) == 0 {
1025 return false
1026 }
1027 tb, ok := m.Content[0].(provider.TextBlock)
1028 if !ok {
1029 return false
1030 }
1031 return strings.TrimSpace(tb.Text) == hiddenOpenAIImageMirrorPrefix
1032}
1033
1034func clipBottomClippedImages(lines []string) []string {
1035 if len(lines) == 0 {
1036 return lines
1037 }
1038 out := append([]string(nil), lines...)
1039 for i, line := range out {
1040 if !hasImageEscape(line) {
1041 continue
1042 }
1043 // Image blocks render as: image escape, zero or more blank
1044 // reservation rows, then the muted "image - ..." info line,
1045 // then one trailing blank. If the info line isn't visible in
1046 // the current chat slice, the image would paint down into the
1047 // fixed status bar area. Suppress that image for this frame.
1048 //
1049 // When the image lives inside a tool box, the reservation rows
1050 // are wrapped in vertical box edges ("│ … │"); those rows
1051 // look non-blank under a naive whitespace check but are still
1052 // reservation rows for this scan, so treat them as blank.
1053 foundInfo := false
1054 for j := i + 1; j < len(out); j++ {
1055 if strings.Contains(out[j], "image - ") {
1056 foundInfo = true
1057 break
1058 }
1059 if !isBoxBlankLine(out[j]) {
1060 break
1061 }
1062 }
1063 if !foundInfo {
1064 out[i] = ""
1065 }
1066 }
1067 return out
1068}
1069
1070// isBoxBlankLine reports whether line is visually empty after
1071// stripping ANSI escape sequences, surrounding whitespace, and the
1072// vertical box edges drawn by the tool-box renderer. Used by
1073// clipBottomClippedImages so an image's reservation rows still count
1074// as blank when those rows are wrapped in "│ … │" inside a tool box.
1075func isBoxBlankLine(line string) bool {
1076 stripped := stripANSIBytes(line)
1077 stripped = strings.TrimSpace(stripped)
1078 stripped = strings.Trim(stripped, "│")
1079 stripped = strings.TrimSpace(stripped)
1080 return stripped == ""
1081}
1082
1083// stripANSIBytes removes ANSI CSI escape sequences (ESC '[' … final
1084// byte) from s without pulling in the regexp package. Mirrors the
1085// internal helper in package tui; the duplicated copy avoids exporting
1086// it just for one caller.
1087func stripANSIBytes(s string) string {
1088 if !strings.Contains(s, "\x1b") {
1089 return s
1090 }
1091 var b strings.Builder
1092 b.Grow(len(s))
1093 i := 0
1094 for i < len(s) {
1095 if s[i] == 0x1b && i+1 < len(s) && s[i+1] == '[' {
1096 end := i + 2
1097 for end < len(s) {
1098 c := s[end]
1099 end++
1100 if c >= 0x40 && c <= 0x7e {
1101 break
1102 }
1103 }
1104 i = end
1105 continue
1106 }
1107 b.WriteByte(s[i])
1108 i++
1109 }
1110 return b.String()
1111}
1112
1113// truncateLine shortens s so it fits within n display cells, with an
1114// ellipsis if trimmed. Used by the "sliding in" chips so a pasted
1115// novel doesn't blow past the status line.
1116func panelKeyName(k tui.Key) string {
1117 switch k.Kind {
1118 case tui.KeyUp:
1119 return "up"
1120 case tui.KeyDown:
1121 return "down"
1122 case tui.KeyLeft:
1123 return "left"
1124 case tui.KeyRight:
1125 return "right"
1126 case tui.KeyEnter:
1127 return "enter"
1128 case tui.KeyEsc:
1129 return "esc"
1130 case tui.KeyTab:
1131 return "tab"
1132 case tui.KeyBackspace:
1133 return "backspace"
1134 case tui.KeyDelete:
1135 return "delete"
1136 case tui.KeyHome:
1137 return "home"
1138 case tui.KeyEnd:
1139 return "end"
1140 case tui.KeyPageUp:
1141 return "pageup"
1142 case tui.KeyPageDown:
1143 return "pagedown"
1144 case tui.KeyRune:
1145 return "rune"
1146 default:
1147 return "unknown"
1148 }
1149}
1150
1151func panelKeyText(k tui.Key) string {
1152 if k.Kind == tui.KeyRune {
1153 return string(k.Rune)
1154 }
1155 return ""
1156}
1157
1158func truncateLine(s string, n int) string {
1159 if n <= 0 {
1160 return ""
1161 }
1162 // Collapse newlines — chips are single line.
1163 s = strings.ReplaceAll(s, "\n", " ↩ ")
1164 runes := []rune(s)
1165 if len(runes) <= n {
1166 return s
1167 }
1168 if n <= 1 {
1169 return "…"
1170 }
1171 return string(runes[:n-1]) + "…"
1172}
1173
1174// ctrlCExitWindow is how long after a ctrl+c press a *second* press
1175// will exit instead of just clearing input. Long enough to be
1176// deliberate (rules out accidental key chord), short enough that the
1177// hint stays meaningful.
1178const ctrlCExitWindow = 2 * time.Second
1179
1180// armCtrlCExit records the timestamp of the current ctrl+c so the next
1181// one within ctrlCExitWindow exits.
1182func (i *Interactive) armCtrlCExit() {
1183 i.mu.Lock()
1184 i.lastCtrlC = time.Now()
1185 i.mu.Unlock()
1186}
1187
1188// ctrlCExitArmed reports whether a previous ctrl+c was recent enough
1189// that another press should now exit.
1190func (i *Interactive) ctrlCExitArmed() bool {
1191 i.mu.Lock()
1192 t := i.lastCtrlC
1193 i.mu.Unlock()
1194 return !t.IsZero() && time.Since(t) <= ctrlCExitWindow
1195}
1196
1197func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
1198 // Any key that isn't ctrl+c invalidates an armed ctrl+c-exit, so
1199 // pressing ctrl+c then typing then ctrl+c much later doesn't quit
1200 // unexpectedly. The hint message also goes stale; clear it.
1201 if k.Kind != tui.KeyCtrlC {
1202 i.mu.Lock()
1203 if !i.lastCtrlC.IsZero() {
1204 i.lastCtrlC = time.Time{}
1205 if strings.HasPrefix(i.statusOK, "input cleared") || strings.HasPrefix(i.statusOK, "press ctrl+c") {
1206 i.statusOK = ""
1207 }
1208 }
1209 i.mu.Unlock()
1210 }
1211
1212 // Dialogs consume keys while open (except ctrl+c, which always closes them).
1213
1214 // Confirm dialog has highest priority: the agent goroutine is
1215 // blocked waiting for an answer, so we must not let keys leak
1216 // anywhere else while it's up.
1217 if i.confirmDialog.Active() {
1218 i.confirmDialog.HandleKey(k)
1219 i.invalidate()
1220 return false
1221 }
1222 if i.dialog.Active() {
1223 if k.Kind == tui.KeyCtrlC {
1224 i.dialog.Close()
1225 if i.cfg.AuthManager != nil {
1226 i.cfg.AuthManager.CancelOAuth()
1227 }
1228 return false
1229 }
1230 act := i.dialog.HandleKey(k)
1231 if act.StartAPIKey {
1232 i.startAPIKeyFlow(act.Provider)
1233 }
1234 if act.StartOAuth {
1235 i.startOAuthFlow(act.Provider)
1236 }
1237 if act.StartManual {
1238 i.startManualOAuthFlow(act.Provider)
1239 }
1240 if act.SubmitCode != "" {
1241 i.submitManualOAuthCode(act.SubmitCode)
1242 }
1243 return false
1244 }
1245 if i.modelDialog.Active() {
1246 if k.Kind == tui.KeyCtrlC {
1247 i.modelDialog.Close()
1248 return false
1249 }
1250 act := i.modelDialog.HandleKey(k)
1251 if act.Select {
1252 i.applyModelSelection(act.Provider, act.Model)
1253 }
1254 return false
1255 }
1256 if i.sessionDialog.Active() {
1257 if k.Kind == tui.KeyCtrlC {
1258 i.sessionDialog.Close()
1259 return false
1260 }
1261 act := i.sessionDialog.HandleKey(k)
1262 if act.Select {
1263 i.applySessionSelection(act.Path)
1264 }
1265 return false
1266 }
1267 if i.logoutDialog.Active() {
1268 if k.Kind == tui.KeyCtrlC {
1269 i.logoutDialog.Close()
1270 i.invalidate()
1271 return false
1272 }
1273 act := i.logoutDialog.HandleKey(k)
1274 if act.Select {
1275 i.doLogout(act.Target)
1276 }
1277 i.invalidate()
1278 return false
1279 }
1280 if i.telegramDialog.Active() {
1281 if k.Kind == tui.KeyCtrlC {
1282 i.telegramDialog.Close()
1283 i.invalidate()
1284 return false
1285 }
1286 act := i.telegramDialog.HandleKey(k)
1287 if act.Select {
1288 i.doTelegram(act.Action)
1289 }
1290 i.invalidate()
1291 return false
1292 }
1293 if i.sessionOpsDialog.Active() {
1294 if k.Kind == tui.KeyCtrlC {
1295 i.sessionOpsDialog.Close()
1296 i.invalidate()
1297 return false
1298 }
1299 act := i.sessionOpsDialog.HandleKey(k)
1300 if act.Select {
1301 i.doSessionOp(act.Action, "")
1302 }
1303 i.invalidate()
1304 return false
1305 }
1306 if i.sessionTreeDialog.Active() {
1307 if k.Kind == tui.KeyCtrlC {
1308 i.sessionTreeDialog.Close()
1309 i.invalidate()
1310 return false
1311 }
1312 act := i.sessionTreeDialog.HandleKey(k)
1313 if act.Select {
1314 i.applySessionTreeSelection(act.Path)
1315 }
1316 i.invalidate()
1317 return false
1318 }
1319 if i.extPanel.Active() {
1320 if k.Kind == tui.KeyCtrlC || k.Kind == tui.KeyEsc {
1321 if i.cfg.Extensions != nil {
1322 _ = i.cfg.Extensions.SendPanelClose(i.extPanel.ext, i.extPanel.id)
1323 }
1324 i.extPanel.Close()
1325 i.invalidate()
1326 return false
1327 }
1328 if i.cfg.Extensions != nil {
1329 _ = i.cfg.Extensions.SendPanelKey(i.extPanel.ext, i.extPanel.id, panelKeyName(k), panelKeyText(k))
1330 }
1331 return false
1332 }
1333 if i.jumpDialog.Active() {
1334 if k.Kind == tui.KeyCtrlC {
1335 i.jumpDialog.Close()
1336 i.pendingFork = false
1337 return false
1338 }
1339 act := i.jumpDialog.HandleKey(k)
1340 if act.Select {
1341 if i.pendingFork {
1342 i.applyForkSelection(act.MessageIdx)
1343 } else {
1344 i.applyJumpSelection(act.MessageIdx, act.TurnNo)
1345 }
1346 }
1347 // If the user dismissed the dialog without selecting, also
1348 // clear the pending-fork flag so a later plain /jump isn't
1349 // hijacked.
1350 if act.Close {
1351 i.pendingFork = false
1352 }
1353 return false
1354 }
1355 if i.btwDialog.Active() {
1356 if k.Kind == tui.KeyCtrlC {
1357 i.btwDialog.Close()
1358 i.invalidate()
1359 return false
1360 }
1361 i.btwDialog.HandleKey(k, i.invalidate)
1362 return false
1363 }
1364 if i.skillsDialog.Active() {
1365 if k.Kind == tui.KeyCtrlC {
1366 i.skillsDialog.Close()
1367 i.invalidate()
1368 return false
1369 }
1370 i.skillsDialog.HandleKey(k)
1371 i.invalidate()
1372 return false
1373 }
1374 if i.changelogDialog.Active() {
1375 if closed := i.changelogDialog.HandleKey(k); closed {
1376 // User dismissed; let the parent persist the
1377 // LastChangelogShown marker via the close callback.
1378 if i.cfg.OnChangelogDismiss != nil {
1379 i.cfg.OnChangelogDismiss()
1380 }
1381 }
1382 i.invalidate()
1383 return false
1384 }
1385
1386 // Global keys.
1387 switch k.Kind {
1388 case tui.KeyCtrlC:
1389 // While busy: do NOT cancel the turn. ctrl+c during a
1390 // running turn is almost always reflex muscle memory
1391 // ("be quiet" in a shell) rather than a deliberate
1392 // decision to kill a multi-minute model call that's
1393 // already cost tokens. Use esc to interrupt a turn; use
1394 // a deliberate double-ctrl+c to exit zot entirely. First
1395 // press arms the exit hint, second press within
1396 // ctrlCExitWindow quits.
1397 if i.busy {
1398 if i.ctrlCExitArmed() {
1399 return true
1400 }
1401 i.mu.Lock()
1402 i.statusOK = "press ctrl+c again to exit, esc to cancel the turn"
1403 i.statusErr = ""
1404 i.mu.Unlock()
1405 i.armCtrlCExit()
1406 return false
1407 }
1408 // Idle: first press clears the editor (and any queued
1409 // follow-up messages); a second press within ctrlCExitWindow
1410 // exits. With both an empty editor and no queue the first
1411 // press still just arms — require a deliberate double-tap.
1412 hadInput := !i.ed.IsEmpty() || len(i.queued) > 0
1413 if hadInput {
1414 i.ed.Clear()
1415 i.suggest.Reset()
1416 i.mu.Lock()
1417 i.queued = nil
1418 i.statusOK = "input cleared"
1419 i.statusErr = ""
1420 i.mu.Unlock()
1421 i.armCtrlCExit()
1422 return false
1423 }
1424 if i.ctrlCExitArmed() {
1425 return true
1426 }
1427 i.mu.Lock()
1428 i.statusOK = "press ctrl+c again to exit"
1429 i.statusErr = ""
1430 i.mu.Unlock()
1431 i.armCtrlCExit()
1432 return false
1433 case tui.KeyEsc:
1434 // Esc interrupts a running turn — but only when nothing
1435 // else on screen wants to consume the key first. The slash
1436 // popup has its own Esc behaviour (close + clear editor),
1437 // and transient overlays like the /help block and extension
1438 // notes should dismiss on Esc before we even consider the
1439 // turn. Without these guards, a casual Esc press after
1440 // running /help on a busy turn rips the turn away.
1441 if i.suggest.Active(i.ed.Value()) || i.fileSuggest.Active(i.ed.Value()) {
1442 break
1443 }
1444 i.mu.Lock()
1445 hadHelp := len(i.helpBlock) > 0
1446 hadNotes := len(i.extNotes) > 0
1447 if hadHelp {
1448 i.helpBlock = nil
1449 }
1450 if hadNotes {
1451 i.extNotes = nil
1452 }
1453 i.mu.Unlock()
1454 if hadHelp || hadNotes {
1455 i.invalidate()
1456 return false
1457 }
1458 if i.busy && i.cancelTurn != nil {
1459 i.cancelTurn()
1460 // If a confirm dialog is pending, refuse it so the agent
1461 // goroutine unblocks and the context cancellation can
1462 // actually take effect.
1463 i.confirmDialog.CancelAll("turn cancelled")
1464 return false
1465 }
1466 case tui.KeyCtrlD:
1467 if i.ed.IsEmpty() && !i.busy {
1468 return true
1469 }
1470 case tui.KeyCtrlL:
1471 i.rend.Clear()
1472 i.invalidate()
1473 return false
1474 case tui.KeyCtrlO:
1475 // Toggle expansion of collapsed tool results. Affects every tool
1476 // call in the transcript — press again to re-collapse.
1477 i.mu.Lock()
1478 i.view.ExpandAll = !i.view.ExpandAll
1479 i.mu.Unlock()
1480 i.invalidate()
1481 return false
1482 case tui.KeyPageUp:
1483 i.scrollBy(+i.chatPage())
1484 return false
1485 case tui.KeyPageDown:
1486 i.scrollBy(-i.chatPage())
1487 return false
1488 case tui.KeyUp:
1489 // Always use up/down for chat scrolling, even when the editor
1490 // contains text. This makes keyboard scrolling consistent with
1491 // a draft present at the cost of disabling vertical cursor
1492 // motion inside the multi-line editor. Keep slash-popup
1493 // navigation working by letting it intercept later when active.
1494 if !i.suggest.Active(i.ed.Value()) && !i.fileSuggest.Active(i.ed.Value()) {
1495 i.scrollBy(+3)
1496 return false
1497 }
1498 case tui.KeyDown:
1499 if !i.suggest.Active(i.ed.Value()) && !i.fileSuggest.Active(i.ed.Value()) {
1500 if i.scrollOffset > 0 {
1501 i.scrollBy(-3)
1502 }
1503 return false
1504 }
1505 }
1506
1507 // Note: we intentionally do NOT gate the editor on i.busy here.
1508 // Typing while the agent is working is supported — submitted
1509 // messages are queued and delivered as follow-up turns when the
1510 // current turn ends. See the submit handler below.
1511
1512 if k.Kind == tui.KeyEnter && k.Alt {
1513 i.ed.HandleKey(tui.Key{Kind: tui.KeyRune, Rune: '\n', Alt: true})
1514 return false
1515 }
1516
1517 // Slash suggestions: intercept up/down/tab/enter when the popup is visible.
1518 if i.suggest.Active(i.ed.Value()) {
1519 switch k.Kind {
1520 case tui.KeyUp:
1521 i.suggest.Up()
1522 return false
1523 case tui.KeyDown:
1524 i.suggest.Down()
1525 return false
1526 case tui.KeyTab:
1527 if name := i.suggest.Selection(i.ed.Value()); name != "" {
1528 i.ed.SetValue(name)
1529 i.suggest.Reset()
1530 }
1531 return false
1532 case tui.KeyEnter:
1533 // Enter on an ambiguous or partial slash prefix: complete to the
1534 // currently highlighted command and run it. That way typing
1535 // "/lo" + enter picks whichever of /login or /logout is selected
1536 // in the popup instead of submitting "/lo" as unknown. Also
1537 // clear the editor so the command doesn't linger after the
1538 // dialog opens/closes.
1539 if name := i.suggest.Selection(i.ed.Value()); name != "" {
1540 i.ed.Clear()
1541 i.suggest.Reset()
1542 return i.runSlash(ctx, name)
1543 }
1544 case tui.KeyEsc:
1545 i.ed.Clear()
1546 i.suggest.Reset()
1547 return false
1548 }
1549 }
1550
1551 // File suggestions: intercept up/down/tab/enter when the @-popup is visible.
1552 if i.fileSuggest.Active(i.ed.Value()) {
1553 switch k.Kind {
1554 case tui.KeyUp:
1555 i.fileSuggest.Up()
1556 return false
1557 case tui.KeyDown:
1558 i.fileSuggest.Down()
1559 return false
1560 case tui.KeyRight:
1561 // Open selected directory.
1562 i.fileSuggest.Right()
1563 return false
1564 case tui.KeyLeft:
1565 // Go back to parent directory.
1566 i.fileSuggest.Left()
1567 return false
1568 case tui.KeyEnter:
1569 if entry, ok := i.fileSuggest.SelectedEntry(i.ed.Value()); ok {
1570 var chip string
1571 if entry.isDir {
1572 chip = "[dir:" + entry.rel + "/]"
1573 } else {
1574 chip = "[file:" + entry.rel + "]"
1575 }
1576 val := i.ed.Value()
1577 if idx := strings.LastIndex(val, "@"); idx >= 0 {
1578 val = val[:idx]
1579 }
1580 i.ed.SetValue(val + chip + " ")
1581 i.fileSuggest.Reset()
1582 }
1583 return false
1584 case tui.KeyEsc:
1585 val := i.ed.Value()
1586 if idx := strings.LastIndex(val, "@"); idx >= 0 {
1587 i.ed.SetValue(val[:idx])
1588 }
1589 i.fileSuggest.Reset()
1590 return false
1591 }
1592 }
1593
1594 if submit := i.ed.HandleKey(k); submit {
1595 // SubmitValue() expands any [pasted text #N +L lines]
1596 // placeholders back into their bodies; the raw Value()
1597 // is only what the user sees on screen.
1598 text := strings.TrimRight(i.ed.SubmitValue(), "\n")
1599 // Expand [file:name] and [dir:name/] chips to full paths.
1600 text = expandFileChips(text, i.cfg.CWD)
1601 if text == "" {
1602 return false
1603 }
1604 i.ed.Clear()
1605 i.suggest.Reset()
1606 i.fileSuggest.Reset()
1607
1608 if looksLikeSlashCommand(text) {
1609 head := text
1610 rest := ""
1611 if idx := strings.IndexAny(text, " \t"); idx >= 0 {
1612 head = text[:idx]
1613 rest = strings.TrimSpace(text[idx:])
1614 }
1615 if !isKnownSlashCommand(text) {
1616 // Try extensions before giving up. Extensions register
1617 // commands by bare name (no leading slash); strip it here.
1618 extName := strings.TrimPrefix(head, "/")
1619 if i.cfg.Extensions != nil && i.cfg.Extensions.HasCommand(extName) {
1620 go i.invokeExtensionCommand(ctx, extName, rest)
1621 return false
1622 }
1623 i.mu.Lock()
1624 i.statusErr = "unknown command " + head + " — type /help to see the list"
1625 i.statusOK = ""
1626 i.mu.Unlock()
1627 return false
1628 }
1629 // Slash commands run regardless of busy state. Commands that
1630 // would mutate the transcript or replace the agent (/clear,
1631 // /compact, /logout, /login, /model) cancel the active turn
1632 // first and wait for the goroutine to wind down so they don't
1633 // race with a streaming response. Safe commands (/help,
1634 // /jump, /sessions, /jail, /unjail, /exit) run immediately
1635 // without disturbing the active turn.
1636 if slashCancelsTurn(head) {
1637 i.cancelAndWaitForIdle()
1638 }
1639 return i.runSlash(ctx, text)
1640 }
1641
1642 if i.agent == nil {
1643 i.mu.Lock()
1644 i.statusErr = "not logged in. type /login first."
1645 i.mu.Unlock()
1646 return false
1647 }
1648 // Mirror the user's typed prompt into the paired Telegram
1649 // chat (when the bridge is active) so the Telegram thread
1650 // stays a complete record of the session, not just the half
1651 // that originated on the phone. On a goroutine so the
1652 // network write doesn't delay the local turn.
1653 if i.telegramBridge != nil && i.telegramBridge.Active() {
1654 go i.telegramBridge.OnUserTyped(text)
1655 }
1656 // If a turn is already in flight, queue this prompt instead of
1657 // starting a second one. The drain loop at the end of startTurn
1658 // will pick it up when the current turn finishes.
1659 i.mu.Lock()
1660 if i.busy {
1661 i.queued = append(i.queued, text)
1662 i.mu.Unlock()
1663 i.invalidate()
1664 return false
1665 }
1666 i.mu.Unlock()
1667 i.startTurn(ctx, text)
1668 }
1669 return false
1670}
1671
1672// invokeExtensionCommand fires an extension-registered slash command
1673// in a background goroutine, awaits the response, and applies the
1674// requested action (prompt / insert / display / noop). Errors and
1675// timeouts surface as a status_err line.
1676func (i *Interactive) invokeExtensionCommand(ctx context.Context, name, args string) {
1677 resp, err := i.cfg.Extensions.Invoke(ctx, name, args, 30*time.Second)
1678 if err != nil {
1679 i.mu.Lock()
1680 i.statusErr = "extension /" + name + ": " + err.Error()
1681 i.statusOK = ""
1682 i.mu.Unlock()
1683 i.invalidate()
1684 return
1685 }
1686 if resp.Error != "" {
1687 i.mu.Lock()
1688 i.statusErr = "extension /" + name + ": " + resp.Error
1689 i.statusOK = ""
1690 i.mu.Unlock()
1691 i.invalidate()
1692 return
1693 }
1694 switch resp.Action {
1695 case "open_panel":
1696 if resp.OpenPanel != nil {
1697 extName := name
1698 if i.cfg.Extensions != nil {
1699 if owner := i.cfg.Extensions.CommandOwner(name); owner != "" {
1700 extName = owner
1701 }
1702 }
1703 i.OpenPanel(extName, *resp.OpenPanel)
1704 }
1705 case "prompt":
1706 if strings.TrimSpace(resp.Prompt) == "" {
1707 return
1708 }
1709 i.startTurn(i.runCtx, resp.Prompt)
1710 case "insert":
1711 i.ed.Insert(resp.Insert)
1712 i.invalidate()
1713 case "display":
1714 i.appendExtensionNote(name, resp.Display, "info")
1715 case "noop", "":
1716 // nothing
1717 default:
1718 i.mu.Lock()
1719 i.statusErr = "extension /" + name + ": unknown action " + resp.Action
1720 i.mu.Unlock()
1721 i.invalidate()
1722 }
1723}
1724
1725// appendExtensionNote renders an extension-originated note in the
1726// chat. Levels: "info" (muted), "warn" (warning), "error" (error),
1727// "success" (tool/ok green).
1728func (i *Interactive) appendExtensionNote(extName, msg, level string) {
1729 if msg == "" {
1730 return
1731 }
1732 i.mu.Lock()
1733 defer i.mu.Unlock()
1734 color := i.cfg.Theme.Muted
1735 switch level {
1736 case "warn":
1737 color = i.cfg.Theme.Warning
1738 case "error":
1739 color = i.cfg.Theme.Error
1740 case "success":
1741 color = i.cfg.Theme.Tool
1742 }
1743 prefix := i.cfg.Theme.FG256(i.cfg.Theme.Accent, "["+extName+"] ")
1744 for _, line := range strings.Split(msg, "\n") {
1745 i.statusOK = "" // clear any stale ok
1746 i.statusErr = ""
1747 i.extNotes = append(i.extNotes, prefix+i.cfg.Theme.FG256(color, line))
1748 }
1749}
1750
1751// HostHooks implementation for the extension manager. The manager
1752// holds an interface, not a concrete *Interactive, so these methods
1753// are the only thing the manager sees.
1754
1755// Notify is the manager's NotifyFromExt entry point.
1756func (i *Interactive) Notify(extName, level, message string) {
1757 i.appendExtensionNote(extName, message, level)
1758 i.invalidate()
1759}
1760
1761// Submit feeds text through the agent loop as if the user had typed it.
1762func (i *Interactive) Submit(text string) {
1763 i.startTurn(i.runCtx, text)
1764}
1765
1766// SubmitOrQueue runs text immediately if the agent is idle, or
1767// appends it to the pending queue if a turn is already in flight.
1768// Used by the telegram bridge (and by the editor submit path) so
1769// both input sources share the same "queue behind an active turn"
1770// semantics. Images are ignored for now — only the text prompt is
1771// forwarded — because the queued-prompt path is text-only; a
1772// follow-up can expand the queue entry to carry images.
1773func (i *Interactive) SubmitOrQueue(text string, images []provider.ImageBlock) {
1774 i.mu.Lock()
1775 if i.agent == nil {
1776 i.statusErr = "not logged in. type /login first."
1777 i.mu.Unlock()
1778 i.invalidate()
1779 return
1780 }
1781 if i.busy {
1782 // Queue text only; images are dropped for queued prompts.
1783 i.queued = append(i.queued, text)
1784 i.mu.Unlock()
1785 i.invalidate()
1786 return
1787 }
1788 i.mu.Unlock()
1789 i.startTurnWithImages(i.runCtx, text, images)
1790}
1791
1792// CancelTurn aborts the active turn if one is running. Used by the
1793// telegram bridge when the paired user sends /stop.
1794// ChangelogVersion returns the version string of the changelog
1795// currently shown (or last shown). Used by the dismiss callback
1796// to store the correct version for dev builds.
1797func (i *Interactive) ChangelogVersion() string {
1798 if i.changelogDialog != nil {
1799 return i.changelogDialog.version
1800 }
1801 return ""
1802}
1803
1804func (i *Interactive) CancelTurn() {
1805 i.mu.Lock()
1806 cancel := i.cancelTurn
1807 i.mu.Unlock()
1808 if cancel != nil {
1809 cancel()
1810 }
1811}
1812
1813// Insert places text at the cursor in the editor.
1814func (i *Interactive) Insert(text string) {
1815 i.ed.Insert(text)
1816 i.invalidate()
1817}
1818
1819// Display appends a styled note from extName to the chat without a
1820// model call.
1821func (i *Interactive) Display(extName, text string) {
1822 i.appendExtensionNote(extName, text, "info")
1823 i.invalidate()
1824}
1825
1826func (i *Interactive) OpenPanel(extName string, spec extproto.PanelSpec) {
1827 i.mu.Lock()
1828 defer i.mu.Unlock()
1829 i.extPanel.Open(extName, spec.ID, spec.Title, spec.Lines, spec.Footer)
1830 if i.cfg.Extensions != nil {
1831 cols, rows := i.cfg.Terminal.Size()
1832 _ = cols
1833 _ = rows
1834 }
1835 i.invalidate()
1836}
1837
1838func (i *Interactive) UpdatePanel(extName, panelID, title string, lines []string, footer string) {
1839 i.mu.Lock()
1840 defer i.mu.Unlock()
1841 if i.extPanel.Active() && i.extPanel.ext == extName && i.extPanel.id == panelID {
1842 i.extPanel.Update(title, lines, footer)
1843 i.invalidate()
1844 }
1845}
1846
1847func (i *Interactive) ClosePanel(extName, panelID string) {
1848 i.mu.Lock()
1849 defer i.mu.Unlock()
1850 if i.extPanel.Active() && i.extPanel.ext == extName && i.extPanel.id == panelID {
1851 i.extPanel.Close()
1852 i.invalidate()
1853 }
1854}
1855
1856func (i *Interactive) runSlash(ctx context.Context, cmd string) (done bool) {
1857 parts := strings.Fields(cmd)
1858 switch parts[0] {
1859 case "/exit":
1860 return true
1861 case "/clear":
1862 if i.agent != nil {
1863 i.agent.SetMessages(nil)
1864 }
1865 i.mu.Lock()
1866 i.toolCalls = map[string]*tui.ToolCallView{}
1867 i.toolOrder = nil
1868 i.statusErr = ""
1869 i.statusOK = ""
1870 i.helpBlock = nil
1871 i.parkedTurn = 0
1872 i.parkedTotal = 0
1873 i.scrollOffset = 0
1874 i.extNotes = nil
1875 i.view.InvalidateRenderCache()
1876 i.mu.Unlock()
1877 case "/help":
1878 i.mu.Lock()
1879 i.helpBlock = renderHelpBlock(i.cfg.Theme, i.lastCols())
1880 i.statusErr = ""
1881 i.statusOK = ""
1882 // Pin the viewport to the newest content so the help block,
1883 // which we just appended to the end of the transcript, is
1884 // what the user actually sees.
1885 i.scrollOffset = 0
1886 i.mu.Unlock()
1887 case "/login":
1888 i.dialog.Open(i.cfg.ZotHome)
1889 case "/logout":
1890 if len(parts) >= 2 {
1891 // Explicit target: /logout anthropic | openai | all
1892 i.doLogout(parts[1])
1893 break
1894 }
1895 // No arg: open the picker over whichever providers are
1896 // currently logged in. If nothing's logged in, bail with a
1897 // status line.
1898 i.openLogoutDialog()
1899 case "/model":
1900 if len(parts) >= 2 {
1901 i.applyModelSelection("", parts[1])
1902 } else {
1903 var loggedIn []string
1904 if i.cfg.LoggedInProviders != nil {
1905 loggedIn = i.cfg.LoggedInProviders()
1906 }
1907 i.modelDialog.Open(i.cfg.Model, loggedIn)
1908 }
1909 case "/sessions":
1910 i.sessionDialog.Open(i.cfg.ZotHome, i.cfg.CWD)
1911 case "/jump":
1912 i.openJumpDialog(parts[1:])
1913 case "/btw":
1914 i.openBtwDialog(parts[1:])
1915 case "/skills":
1916 i.openSkillsDialog()
1917 case "/compact":
1918 i.runCompact(ctx, false)
1919 case "/study":
1920 // Canned prompt that tells the agent to read every file
1921 // in the current directory so its later turns have the
1922 // whole project in context. Dispatched through the normal
1923 // queue-or-start path so it behaves identically to
1924 // typing the prompt by hand.
1925 const studyPrompt = "Read and understand everything in the current directory."
1926 i.mu.Lock()
1927 if i.busy {
1928 i.queued = append(i.queued, studyPrompt)
1929 i.mu.Unlock()
1930 i.invalidate()
1931 break
1932 }
1933 i.mu.Unlock()
1934 i.startTurn(ctx, studyPrompt)
1935 case "/jail":
1936 if i.cfg.Sandbox == nil {
1937 i.mu.Lock()
1938 i.statusErr = "sandbox not available in this build"
1939 i.mu.Unlock()
1940 break
1941 }
1942 i.cfg.Sandbox.Lock()
1943 i.mu.Lock()
1944 i.statusOK = "jailed to " + i.cfg.CWD + " (tools cannot touch paths outside this directory)"
1945 i.statusErr = ""
1946 i.mu.Unlock()
1947 case "/unjail":
1948 if i.cfg.Sandbox == nil {
1949 i.mu.Lock()
1950 i.statusErr = "sandbox not available in this build"
1951 i.mu.Unlock()
1952 break
1953 }
1954 i.cfg.Sandbox.Unlock()
1955 i.mu.Lock()
1956 i.statusOK = "unjailed"
1957 i.statusErr = ""
1958 i.mu.Unlock()
1959 case "/reload-ext":
1960 i.runReloadExt(ctx)
1961 case "/yolo":
1962 i.runYoloOn()
1963 case "/telegram", "/tg":
1964 if len(parts) >= 2 {
1965 i.doTelegram(parts[1])
1966 break
1967 }
1968 i.openTelegramDialog()
1969 case "/session":
1970 if len(parts) >= 2 {
1971 action := parts[1]
1972 arg := ""
1973 if len(parts) >= 3 {
1974 arg = strings.Join(parts[2:], " ")
1975 }
1976 i.doSessionOp(action, arg)
1977 break
1978 }
1979 i.openSessionOpsDialog()
1980 default:
1981 // Last-resort fallback: try the extension manager. Built-in
1982 // cases above always win; this branch only fires for slash
1983 // commands the extension manager registered. Same routing as
1984 // the editor's submit-handler dispatch path so the autocomplete
1985 // "enter on highlighted suggestion" flow also works.
1986 extName := strings.TrimPrefix(parts[0], "/")
1987 if i.cfg.Extensions != nil && i.cfg.Extensions.HasCommand(extName) {
1988 rest := ""
1989 if len(parts) > 1 {
1990 rest = strings.Join(parts[1:], " ")
1991 }
1992 go i.invokeExtensionCommand(ctx, extName, rest)
1993 return false
1994 }
1995 i.mu.Lock()
1996 i.statusErr = "unknown command: " + parts[0]
1997 i.mu.Unlock()
1998 }
1999 return false
2000}
2001
2002// openLogoutDialog shows the provider picker for `/logout` with no
2003// argument. Only providers the user is currently logged into are
2004// listed, plus an "all" entry when more than one is present. If
2005// nothing's logged in, writes a status line instead of opening an
2006// empty dialog.
2007func (i *Interactive) openLogoutDialog() {
2008 if i.cfg.AuthManager == nil {
2009 i.mu.Lock()
2010 i.statusErr = "no auth manager configured"
2011 i.mu.Unlock()
2012 i.invalidate()
2013 return
2014 }
2015 store := i.cfg.AuthManager.Store()
2016 if store == nil {
2017 i.mu.Lock()
2018 i.statusErr = "auth store is not available"
2019 i.mu.Unlock()
2020 i.invalidate()
2021 return
2022 }
2023 creds, err := store.Load()
2024 if err != nil {
2025 i.mu.Lock()
2026 i.statusErr = "read auth store: " + err.Error()
2027 i.mu.Unlock()
2028 i.invalidate()
2029 return
2030 }
2031
2032 var items []logoutItem
2033 for _, p := range []string{"anthropic", "openai"} {
2034 if creds.Has(p) {
2035 method := creds.Method(p)
2036 if method == "oauth" {
2037 method = "subscription"
2038 }
2039 items = append(items, logoutItem{
2040 label: providerLabel(p),
2041 target: p,
2042 method: method,
2043 })
2044 }
2045 }
2046 if len(items) == 0 {
2047 i.mu.Lock()
2048 i.statusOK = "no credentials stored; already logged out"
2049 i.statusErr = ""
2050 i.mu.Unlock()
2051 i.invalidate()
2052 return
2053 }
2054 if len(items) > 1 {
2055 items = append(items, logoutItem{label: "all", target: "all"})
2056 }
2057
2058 i.logoutDialog.Open(items)
2059 i.invalidate()
2060}
2061
2062// doLogout clears credentials for the given provider (or all providers)
2063// from auth.json. If the active agent was using those credentials, it
2064// is torn down so the user is forced through /login before their next
2065// prompt.
2066//
2067// target: "anthropic" | "openai" | "all"
2068func (i *Interactive) doLogout(target string) {
2069 if i.cfg.AuthManager == nil {
2070 i.mu.Lock()
2071 i.statusErr = "no auth manager configured"
2072 i.mu.Unlock()
2073 return
2074 }
2075 store := i.cfg.AuthManager.Store()
2076 if store == nil {
2077 i.mu.Lock()
2078 i.statusErr = "auth store is not available"
2079 i.mu.Unlock()
2080 return
2081 }
2082
2083 var providers []string
2084 switch target {
2085 case "", "all":
2086 providers = []string{"anthropic", "openai"}
2087 case "anthropic", "openai":
2088 providers = []string{target}
2089 default:
2090 i.mu.Lock()
2091 i.statusErr = "unknown provider: " + target + " (use anthropic, openai, or all)"
2092 i.mu.Unlock()
2093 return
2094 }
2095
2096 var errs []string
2097 clearedCurrent := false
2098 for _, p := range providers {
2099 if err := store.Clear(p); err != nil {
2100 errs = append(errs, p+": "+err.Error())
2101 continue
2102 }
2103 if p == i.cfg.Provider {
2104 clearedCurrent = true
2105 }
2106 }
2107
2108 i.mu.Lock()
2109 defer i.mu.Unlock()
2110 if len(errs) > 0 {
2111 i.statusErr = "logout errors: " + strings.Join(errs, "; ")
2112 return
2113 }
2114 i.statusErr = ""
2115 if clearedCurrent {
2116 // The running agent was using a credential we just wiped. Drop
2117 // it so prompts can't go out with the stale client, and hint at
2118 // /login.
2119 i.agent = nil
2120 i.statusOK = "logged out of " + strings.Join(providers, ", ") + ". type /login to sign back in."
2121 } else {
2122 i.statusOK = "logged out of " + strings.Join(providers, ", ")
2123 }
2124}
2125
2126func (i *Interactive) startAPIKeyFlow(provider string) {
2127 url, err := i.cfg.AuthManager.StartAPIKey(provider)
2128 if err != nil {
2129 i.dialog.ShowResult(false, err.Error())
2130 return
2131 }
2132 i.dialog.ShowWaiting(url)
2133}
2134
2135func (i *Interactive) startOAuthFlow(provider string) {
2136 // Always run the manual/copy-code flow in parallel with the local
2137 // callback server so headless environments (docker, SSH) can paste
2138 // the authorization code directly without first pressing 'p'.
2139 _, err := i.cfg.AuthManager.StartOAuth(provider)
2140 if err != nil {
2141 i.dialog.ShowResult(false, err.Error())
2142 return
2143 }
2144 manualURL, mErr := i.cfg.AuthManager.StartManualOAuth(provider)
2145 if mErr == nil {
2146 i.dialog.ShowWaiting(manualURL)
2147 } else {
2148 i.dialog.ShowResult(false, mErr.Error())
2149 }
2150}
2151
2152func (i *Interactive) startManualOAuthFlow(provider string) {
2153 if i.cfg.AuthManager == nil {
2154 return
2155 }
2156 i.cfg.AuthManager.CancelOAuth()
2157 url, err := i.cfg.AuthManager.StartManualOAuth(provider)
2158 if err != nil {
2159 i.dialog.ShowResult(false, err.Error())
2160 return
2161 }
2162 i.dialog.url = url
2163 i.invalidate()
2164}
2165
2166func (i *Interactive) submitManualOAuthCode(code string) {
2167 if i.cfg.AuthManager == nil {
2168 return
2169 }
2170 go func() {
2171 if err := i.cfg.AuthManager.CompleteManualOAuth(i.runCtx, code); err != nil {
2172 i.dialog.ShowResult(false, err.Error())
2173 i.invalidate()
2174 }
2175 }()
2176}
2177
2178// applyModelSelection switches the active model (and provider, if the
2179// new model belongs to a different one). It rebuilds the underlying
2180// client when needed so the provider wire-protocol matches.
2181// cancelAndWaitForIdle cancels the active turn (if any) and blocks
2182// briefly until the turn goroutine has updated i.busy = false. Used
2183// before destructive slash commands so transcript-mutating work
2184// (/clear, /compact, /logout, /login completion, cross-provider
2185// /model swap) doesn't race with the still-running stream.
2186//
2187// The wait is bounded; if the turn doesn't release within the timeout
2188// we proceed anyway. Worst case is a brief overlap that the agent's
2189// own mutex protects against.
2190func (i *Interactive) cancelAndWaitForIdle() {
2191 i.mu.Lock()
2192 busy := i.busy
2193 cancel := i.cancelTurn
2194 i.mu.Unlock()
2195 if !busy {
2196 return
2197 }
2198 if cancel != nil {
2199 cancel()
2200 }
2201 deadline := time.Now().Add(2 * time.Second)
2202 for time.Now().Before(deadline) {
2203 i.mu.Lock()
2204 done := !i.busy
2205 i.mu.Unlock()
2206 if done {
2207 return
2208 }
2209 time.Sleep(10 * time.Millisecond)
2210 }
2211}
2212
2213// openBtwDialog opens the side-chat overlay with a frozen snapshot
2214// of the current main session. The optional argument is auto-
2215// submitted as the first question, so '/btw does X work?' fires the
2216// model call immediately instead of just opening an empty dialog.
2217func (i *Interactive) openBtwDialog(args []string) {
2218 if i.agent == nil {
2219 i.mu.Lock()
2220 i.statusErr = "not logged in. type /login first."
2221 i.mu.Unlock()
2222 return
2223 }
2224 seed := strings.TrimSpace(strings.Join(args, " "))
2225 i.btwDialog.Open(i.cfg.Theme, i.agent, i.agent.System, i.cfg.Model, seed, i.invalidate)
2226 i.invalidate()
2227}
2228
2229// openSkillsDialog opens the skill inspector. The picker reflects
2230// whatever SkillSnapshot returns at call time, so edits to a
2231// SKILL.md made during a session show up on the next /skills.
2232func (i *Interactive) openSkillsDialog() {
2233 var list []*skills.Skill
2234 if i.cfg.SkillSnapshot != nil {
2235 list = i.cfg.SkillSnapshot()
2236 }
2237 i.skillsDialog.Open(list)
2238 i.invalidate()
2239}
2240
2241// openJumpDialog builds a /jump picker from the current transcript.
2242// If the user typed "/jump foo" with a filter and it matches exactly
2243// one turn, jump there directly without showing the dialog.
2244func (i *Interactive) openJumpDialog(args []string) {
2245 if i.view == nil || len(i.view.Messages) == 0 {
2246 i.mu.Lock()
2247 i.statusErr = "nothing to jump to \u2014 the session is empty"
2248 i.mu.Unlock()
2249 return
2250 }
2251 filter := strings.TrimSpace(strings.Join(args, " "))
2252 i.jumpDialog.Open(i.view.Messages, filter)
2253 // Shortcut: with a filter argument that matches exactly one turn,
2254 // jump immediately and skip the picker.
2255 if filter != "" {
2256 if tgts := i.jumpDialog.Targets(); len(tgts) == 1 {
2257 t := tgts[0]
2258 i.jumpDialog.Close()
2259 i.applyJumpSelection(t.MessageIdx, t.TurnNo)
2260 }
2261 }
2262}
2263
2264// applyJumpSelection scrolls the chat viewport so the user message at
2265// msgIdx is visible at (or near) the top of the chat area. Uses the
2266// anchor slice returned by view.BuildWithAnchors so the mapping from
2267// message index to row is exact, regardless of variable-height tool
2268// blocks above the target.
2269func (i *Interactive) applyJumpSelection(msgIdx, turnNo int) {
2270 cols := i.lastCols()
2271 chat, anchors := i.view.BuildWithAnchors(cols)
2272 var row int
2273 found := false
2274 for _, a := range anchors {
2275 if a.MessageIdx == msgIdx {
2276 row = a.Row
2277 found = true
2278 break
2279 }
2280 }
2281 if !found {
2282 i.mu.Lock()
2283 i.statusErr = "could not resolve jump target"
2284 i.mu.Unlock()
2285 return
2286 }
2287
2288 chatLen := len(chat)
2289 page := i.chatPage()
2290 if page < 1 {
2291 page = 1
2292 }
2293 // scrollOffset is measured from the bottom of the chat slice, so
2294 // to place `row` at the top of the viewport we want:
2295 // chatLen - scrollOffset - page == row
2296 // Solve for scrollOffset and clamp to [0, chatLen-page].
2297 offset := chatLen - (row + page)
2298 if offset < 0 {
2299 offset = 0
2300 }
2301 maxOffset := chatLen - page
2302 if maxOffset < 0 {
2303 maxOffset = 0
2304 }
2305 if offset > maxOffset {
2306 offset = maxOffset
2307 }
2308
2309 i.mu.Lock()
2310 i.scrollOffset = offset
2311 i.parkedTurn = turnNo
2312 i.parkedTotal = totalTurnsLocked(i.view.Messages)
2313 i.statusOK = fmt.Sprintf("jumped to turn %d", turnNo)
2314 i.statusErr = ""
2315 i.mu.Unlock()
2316}
2317
2318// totalTurnsLocked counts user messages in the transcript. Caller is
2319// assumed to hold i.mu (the name is a mild reminder; this function
2320// itself doesn't touch shared state beyond the slice it's handed).
2321func totalTurnsLocked(msgs []provider.Message) int {
2322 n := 0
2323 for _, m := range msgs {
2324 if m.Role == provider.RoleUser {
2325 n++
2326 }
2327 }
2328 return n
2329}
2330
2331// applySessionSelection loads the given session via the cli-provided
2332// callback and snaps the viewport to the bottom (the latest message)
2333// so the user lands at the live tail of the resumed conversation.
2334func (i *Interactive) applySessionSelection(path string) {
2335 if i.cfg.LoadSession == nil {
2336 i.mu.Lock()
2337 i.statusErr = "session loading is not wired in this build"
2338 i.mu.Unlock()
2339 return
2340 }
2341 if err := i.cfg.LoadSession(path); err != nil {
2342 i.mu.Lock()
2343 i.statusErr = err.Error()
2344 i.mu.Unlock()
2345 return
2346 }
2347
2348 i.mu.Lock()
2349 i.statusOK = "resumed session: " + path
2350 i.statusErr = ""
2351 i.parkedTurn = 0
2352 i.parkedTotal = 0
2353 i.view.InvalidateRenderCache()
2354 if i.agent != nil {
2355 i.view.Messages = i.agent.Messages()
2356 i.cumUsage = i.agent.Cost()
2357 }
2358 i.mu.Unlock()
2359
2360 i.scrollToBottom()
2361}
2362
2363// scrollToLastTurn parks the viewport at the most recent user turn,
2364// or at the top if the transcript has no user messages. Used after
2365// resume so the user lands looking at where they left off.
2366func (i *Interactive) scrollToLastTurn(msgs []provider.Message) {
2367 if len(msgs) == 0 {
2368 i.mu.Lock()
2369 i.scrollOffset = 0
2370 i.mu.Unlock()
2371 return
2372 }
2373 // Find the last user message index.
2374 lastUser := -1
2375 turnNo, totalTurns := 0, 0
2376 for idx, m := range msgs {
2377 if m.Role == provider.RoleUser {
2378 totalTurns++
2379 lastUser = idx
2380 }
2381 }
2382 if lastUser < 0 {
2383 i.mu.Lock()
2384 i.scrollOffset = 0
2385 i.mu.Unlock()
2386 return
2387 }
2388 turnNo = totalTurns
2389
2390 cols := i.lastCols()
2391 chat, anchors := i.view.BuildWithAnchors(cols)
2392 var row int
2393 found := false
2394 for _, a := range anchors {
2395 if a.MessageIdx == lastUser {
2396 row = a.Row
2397 found = true
2398 break
2399 }
2400 }
2401 if !found {
2402 i.mu.Lock()
2403 i.scrollOffset = 0
2404 i.mu.Unlock()
2405 return
2406 }
2407
2408 chatLen := len(chat)
2409 page := i.chatPage()
2410 if page < 1 {
2411 page = 1
2412 }
2413 offset := chatLen - (row + page)
2414 if offset < 0 {
2415 offset = 0
2416 }
2417 maxOffset := chatLen - page
2418 if maxOffset < 0 {
2419 maxOffset = 0
2420 }
2421 if offset > maxOffset {
2422 offset = maxOffset
2423 }
2424
2425 i.mu.Lock()
2426 i.scrollOffset = offset
2427 // Mark the parked-turn footer so the user sees "viewing turn N of
2428 // M - pgdn to catch up" — same affordance as /jump. Tells them at
2429 // a glance that they're looking at history, not the live tail.
2430 if offset > 0 {
2431 i.parkedTurn = turnNo
2432 i.parkedTotal = totalTurns
2433 }
2434 i.mu.Unlock()
2435 i.invalidate()
2436}
2437
2438func (i *Interactive) applyModelSelection(prov, model string) {
2439 if model == "" {
2440 return
2441 }
2442 m, err := provider.FindModel(prov, model)
2443 if err != nil {
2444 i.mu.Lock()
2445 i.statusErr = err.Error()
2446 i.mu.Unlock()
2447 return
2448 }
2449 // Same provider? Just swap the model on the existing agent.
2450 if i.agent != nil && m.Provider == i.cfg.Provider {
2451 i.mu.Lock()
2452 i.cfg.Model = m.ID
2453 i.agent.Model = m.ID
2454 i.statusOK = "model: " + m.ID
2455 i.statusErr = ""
2456 i.mu.Unlock()
2457 if i.cfg.PersistModel != nil {
2458 i.cfg.PersistModel(i.cfg.Provider, m.ID)
2459 }
2460 return
2461 }
2462 // Different provider: rebuild agent (needs credentials for target provider).
2463 if i.cfg.BuildAgentFor == nil {
2464 i.mu.Lock()
2465 i.statusErr = "cannot switch provider: no builder configured"
2466 i.mu.Unlock()
2467 return
2468 }
2469 // Snapshot the current transcript and cumulative usage BEFORE we
2470 // build the replacement agent so we can hand them off. Without
2471 // this the user perceives the entire session as wiped on a
2472 // cross-provider /model swap.
2473 var carryMsgs []provider.Message
2474 var carryCost provider.Usage
2475 if i.agent != nil {
2476 carryMsgs = i.agent.Messages()
2477 carryCost = i.agent.Cost()
2478 }
2479
2480 ag, p, md, err := i.cfg.BuildAgentFor(m.Provider, m.ID)
2481 if err != nil {
2482 i.mu.Lock()
2483 i.statusErr = err.Error()
2484 i.mu.Unlock()
2485 return
2486 }
2487
2488 // Replay the transcript and seed the cost on the freshly-built
2489 // agent. Messages travel cleanly between providers because they
2490 // use the same provider.Message shape; tool-call ids are local
2491 // to a turn so cross-provider continuation never confuses the
2492 // new model (it just sees the assistant's reply, no orphan
2493 // tool_use blocks because /model swaps are gated to idle state).
2494 if len(carryMsgs) > 0 {
2495 ag.SetMessages(carryMsgs)
2496 }
2497 ag.SeedCost(carryCost)
2498
2499 i.mu.Lock()
2500 i.agent = ag
2501 i.cfg.Provider = p
2502 i.cfg.Model = md
2503 i.statusOK = "switched to " + p + " / " + md
2504 i.statusErr = ""
2505 // Render cache keys are width+content based, so the new agent's
2506 // identical messages will reuse the existing entries. Nothing
2507 // to invalidate.
2508 i.mu.Unlock()
2509 // The new agent was built off the base tool registry, so any
2510 // dynamically-registered tools (telegram_send_*) need to be
2511 // reattached. applyTelegramTools is a no-op when the bridge is
2512 // idle so the cross-provider path still works on a vanilla setup.
2513 i.applyTelegramTools(i.telegramBridge != nil && i.telegramBridge.Active())
2514 if i.cfg.PersistModel != nil {
2515 i.cfg.PersistModel(p, md)
2516 }
2517}
2518
2519func (i *Interactive) handleAuthEvent(ev auth.Event) {
2520 switch ev.Kind {
2521 case "started":
2522 i.dialog.ShowWaiting(ev.URL)
2523 case "browser_open":
2524 // no-op
2525 case "error":
2526 i.dialog.ShowResult(false, ev.Message)
2527 case "success":
2528 // Rebuild the agent with the fresh credential.
2529 ag, prov, model, err := i.cfg.BuildAgent()
2530 if err != nil {
2531 i.dialog.ShowResult(false, err.Error())
2532 return
2533 }
2534 i.mu.Lock()
2535 i.agent = ag
2536 i.cfg.Provider = prov
2537 i.cfg.Model = model
2538 i.statusErr = ""
2539 i.statusOK = "logged in to " + ev.Provider + " via " + ev.Method
2540 i.mu.Unlock()
2541 i.applyTelegramTools(i.telegramBridge != nil && i.telegramBridge.Active())
2542 i.dialog.ShowResult(true, "")
2543 }
2544}
2545
2546// runCompact invokes core.Agent.Compact and reflects the progress in
2547// the tui. It runs in a goroutine so the ui stays responsive; esc/ctrl+c
2548// cancel via the same cancelTurn channel used for normal turns.
2549//
2550// When auto is true the spinner message is pinned to "condensing
2551// history" and the status bar surfaces "(auto)" next to the context
2552// percentage so it's obvious the system triggered this, not the user.
2553func (i *Interactive) runCompact(parent context.Context, auto bool) {
2554 if i.agent == nil {
2555 i.mu.Lock()
2556 i.statusErr = "not logged in. type /login first."
2557 i.mu.Unlock()
2558 return
2559 }
2560 ctx, cancel := context.WithCancel(parent)
2561 i.mu.Lock()
2562 i.busy = true
2563 if auto {
2564 i.spin.StartFixed("condensing history")
2565 i.autoCompacting = true
2566 } else {
2567 i.spin.StartFixed("compacting")
2568 }
2569 i.cancelTurn = cancel
2570 i.statusErr = ""
2571 i.statusOK = ""
2572 // Do NOT set streamOn: the summary text should not be visible
2573 // in the chat while compacting. The user just sees the spinner
2574 // and can keep typing / queue prompts.
2575 i.scrollOffset = 0
2576 i.helpBlock = nil
2577 i.mu.Unlock()
2578 i.invalidate()
2579
2580 go func() {
2581 // Sink discards deltas — we don't stream the summary to the UI.
2582 sink := func(delta string) {}
2583 summary, err := i.agent.Compact(ctx, 4, sink)
2584 _ = summary
2585 i.mu.Lock()
2586 i.busy = false
2587 i.resetStreamingStateLocked()
2588 i.cancelTurn = nil
2589 i.autoCompacting = false
2590
2591 // Drain the queue: if the user typed a prompt while compacting,
2592 // fire it now that the transcript is clean.
2593 var next string
2594 var hasNext bool
2595
2596 switch {
2597 case err != nil && ctx.Err() != nil:
2598 i.statusErr = ""
2599 if auto {
2600 i.statusOK = "auto-condense cancelled"
2601 } else {
2602 i.statusOK = "compaction cancelled"
2603 }
2604 i.queued = nil // drop queue on cancel
2605 case err != nil:
2606 i.statusErr = "compaction failed: " + err.Error()
2607 i.statusOK = ""
2608 i.queued = nil // drop queue on error
2609 default:
2610 i.statusErr = ""
2611 // Read token count from the compaction message meta.
2612 tokens := ""
2613 msgs := i.agent.Messages()
2614 if len(msgs) > 0 && msgs[0].Meta["compaction"] == "true" {
2615 tokens = msgs[0].Meta["tokens_before"]
2616 }
2617 if tokens != "" {
2618 i.statusOK = fmt.Sprintf("compacted from ~%s tokens (ctrl+o to expand)", tokens)
2619 } else {
2620 i.statusOK = "compacted (ctrl+o to expand)"
2621 }
2622 i.lastCtxInput = 0
2623 i.toolCalls = map[string]*tui.ToolCallView{}
2624 i.toolOrder = nil
2625 i.view.InvalidateRenderCache()
2626 // Pop queued prompt if any.
2627 if len(i.queued) > 0 {
2628 next, i.queued = i.queued[0], i.queued[1:]
2629 hasNext = true
2630 }
2631 }
2632 i.mu.Unlock()
2633 i.invalidate()
2634
2635 if hasNext {
2636 p := i.runCtx
2637 if p == nil {
2638 p = context.Background()
2639 }
2640 i.startTurn(p, next)
2641 }
2642 }()
2643}
2644
2645func (i *Interactive) startTurn(parent context.Context, prompt string) {
2646 i.startTurnWithImages(parent, prompt, nil)
2647}
2648
2649func (i *Interactive) startTurnWithImages(parent context.Context, prompt string, images []provider.ImageBlock) {
2650 if i.agent == nil {
2651 return
2652 }
2653 ctx, cancel := context.WithCancel(parent)
2654 i.mu.Lock()
2655 i.busy = true
2656 i.spin.Start()
2657 i.cancelTurn = cancel
2658 i.statusErr = ""
2659 i.statusOK = ""
2660 i.streaming.Reset()
2661 i.streamOn = true
2662 i.toolCalls = map[string]*tui.ToolCallView{}
2663 i.toolOrder = nil
2664 i.scrollOffset = 0 // jump back to the bottom on new turn
2665 i.parkedTurn = 0 // starting a turn clears the /jump parked state
2666 i.parkedTotal = 0
2667 i.helpBlock = nil // hide the help block once the user asks something
2668 i.mu.Unlock()
2669 i.invalidate()
2670
2671 sink := func(ev core.AgentEvent) {
2672 i.handleEvent(ev)
2673 i.invalidate()
2674 }
2675
2676 go func() {
2677 err := i.agent.Prompt(ctx, prompt, images, sink)
2678 i.mu.Lock()
2679 i.busy = false
2680 // Don't touch streamPending / streamFlushPending here — the
2681 // pacer may still be draining the final deltas and needs to
2682 // paint them even though Prompt has returned. It will reset
2683 // streamOn on its own once the buffer empties.
2684 if len(i.streamPending) == 0 {
2685 i.streamOn = false
2686 }
2687 i.cancelTurn = nil
2688 if err != nil && ctx.Err() == nil {
2689 i.statusErr = err.Error()
2690 }
2691 // Persist the assistant's reply (and every tool row before
2692 // it) to the session file while the turn memory is hot.
2693 // Without this, WriteNewTranscript only fires at zot exit,
2694 // meaning a crash or ungraceful kill drops the whole
2695 // conversation. FlushSession is idempotent (it advances the
2696 // baseline so subsequent flushes only write new rows).
2697 flush := i.cfg.FlushSession
2698 i.mu.Unlock()
2699 if flush != nil {
2700 flush()
2701 }
2702 i.mu.Lock()
2703 // Pop the next queued message, if any, and relaunch.
2704 var next string
2705 var hasNext bool
2706 if len(i.queued) > 0 && ctx.Err() == nil && err == nil {
2707 next, i.queued = i.queued[0], i.queued[1:]
2708 hasNext = true
2709 }
2710 // If the turn was cancelled or errored, drop the queue so the
2711 // user isn't bombarded with stale messages after an interrupt.
2712 if ctx.Err() != nil || err != nil {
2713 i.queued = nil
2714 }
2715 // Decide whether the next thing to do is an auto-compaction.
2716 // Only fires when the turn completed cleanly AND the queue is
2717 // empty (otherwise a queued message would race the condense).
2718 shouldAutoCompact := !hasNext && err == nil && ctx.Err() == nil && i.shouldAutoCompactLocked()
2719 i.mu.Unlock()
2720 i.invalidate()
2721 parent := i.runCtx
2722 if parent == nil {
2723 parent = context.Background()
2724 }
2725 switch {
2726 case hasNext:
2727 i.startTurn(parent, next)
2728 case shouldAutoCompact:
2729 i.runCompact(parent, true)
2730 }
2731 }()
2732}
2733
2734// autoCompactThreshold is the context-window fraction at which the
2735// agent will auto-compact after a turn ends. 0.85 leaves enough
2736// headroom for one more user prompt + response before we bump the
2737// hard limit.
2738const autoCompactThreshold = 0.85
2739
2740// shouldAutoCompactLocked reports whether the last turn pushed context
2741// usage past the auto-compact threshold. Must be called with i.mu
2742// held; it reads lastCtxInput and the current model's context window.
2743func (i *Interactive) shouldAutoCompactLocked() bool {
2744 if i.agent == nil {
2745 return false
2746 }
2747 if i.autoCompacting {
2748 return false
2749 }
2750 m, err := provider.FindModel(i.cfg.Provider, i.cfg.Model)
2751 if err != nil || m.ContextWindow <= 0 {
2752 return false
2753 }
2754 if i.lastCtxInput <= 0 {
2755 return false
2756 }
2757 return float64(i.lastCtxInput)/float64(m.ContextWindow) >= autoCompactThreshold
2758}
2759
2760func (i *Interactive) handleEvent(ev core.AgentEvent) {
2761 i.mu.Lock()
2762 defer i.mu.Unlock()
2763 switch e := ev.(type) {
2764 case core.EvAssistantStart:
2765 // Fires at the top of every oneTurn, including follow-up
2766 // turns after tool use. Without this, the streaming buffer
2767 // is still marked off from the previous assistant message
2768 // and the final summary text pops in all at once instead
2769 // of typewriter-streaming delta by delta.
2770 i.streaming.Reset()
2771 i.streamPending = i.streamPending[:0]
2772 i.streamFlushPending = false
2773 i.streamOn = true
2774 // Clear the live tool-call overlay. Any tools from the
2775 // previous round are now fully folded into the transcript
2776 // (assistant tool_use block + tool role message with the
2777 // result), so keeping them in the overlay would duplicate
2778 // them in the view — once inside the finalised transcript
2779 // and once below the streaming block, with the streaming
2780 // summary sandwiched in between. The next EvToolUseStart
2781 // will populate fresh entries for this turn's tools.
2782 i.toolCalls = map[string]*tui.ToolCallView{}
2783 i.toolOrder = nil
2784 case core.EvTextDelta:
2785 // Buffer into streamPending; the paintPace ticker drains
2786 // it into i.streaming a few runes at a time for a smooth
2787 // typewriter effect independent of upstream chunk size.
2788 i.streamPending = append(i.streamPending, []rune(e.Delta)...)
2789 i.streamOn = true
2790 case core.EvAssistantMessage:
2791 // OnAssistant + telegram mirroring always fire on message
2792 // arrival — they read the FINAL message content, which is
2793 // complete regardless of what's still in the pacer.
2794 i.assistantMessageSideEffects(e.Message)
2795 // If the pacer still has characters to drain, keep streamOn
2796 // true and mark flush pending; the paintPace ticker will
2797 // drain the remainder and reset streaming state when done.
2798 // Otherwise (rare: full-replay sessions, abort paths) clear
2799 // synchronously so a later render doesn't show stale text.
2800 if len(i.streamPending) > 0 {
2801 i.streamFlushPending = true
2802 return
2803 }
2804 i.resetStreamingStateLocked()
2805 // Force full repaint: assistant text committed, layout shifts.
2806 if i.rend != nil {
2807 i.rend.Invalidate()
2808 }
2809 case core.EvToolUseStart:
2810 // Live streaming: pre-create the view so the user sees the
2811 // tool call being composed in real time. Any subsequent
2812 // EvToolCall for the same ID updates the same struct (the
2813 // final parsed args + name are already known here).
2814 if _, exists := i.toolCalls[e.ID]; !exists {
2815 i.toolCalls[e.ID] = &tui.ToolCallView{
2816 ID: e.ID,
2817 Name: e.Name,
2818 Streaming: true,
2819 }
2820 i.toolOrder = append(i.toolOrder, e.ID)
2821 }
2822 case core.EvToolUseArgs:
2823 if tc, ok := i.toolCalls[e.ID]; ok {
2824 tc.RawJSONBuf += e.Delta
2825 // Refresh the live path as soon as it parses; used in
2826 // the header (write /Users/pat/Desktop/demo.ts)
2827 // while the content is still streaming.
2828 if p, pok, _ := tui.ExtractPartialStringField(tc.RawJSONBuf, "path"); pok {
2829 tc.LivePath = p
2830 } else if p, pok, _ := tui.ExtractPartialStringField(tc.RawJSONBuf, "file_path"); pok {
2831 tc.LivePath = p
2832 }
2833 }
2834 case core.EvToolUseEnd:
2835 if tc, ok := i.toolCalls[e.ID]; ok {
2836 tc.Streaming = false
2837 }
2838 case core.EvToolCall:
2839 // If we already pre-created the view during streaming, just
2840 // refresh the final Args summary. Otherwise create a new one
2841 // (non-streaming providers or legacy paths).
2842 if tc, ok := i.toolCalls[e.ID]; ok {
2843 tc.Args = tui.ShortArgs(e.Name, e.Args)
2844 tc.Streaming = false
2845 } else {
2846 i.toolCalls[e.ID] = &tui.ToolCallView{
2847 ID: e.ID,
2848 Name: e.Name,
2849 Args: tui.ShortArgs(e.Name, e.Args),
2850 }
2851 i.toolOrder = append(i.toolOrder, e.ID)
2852 }
2853 case core.EvToolResult:
2854 if tc, ok := i.toolCalls[e.ID]; ok {
2855 tc.Done = true
2856 tc.Error = e.Result.IsError
2857 var text strings.Builder
2858 for _, c := range e.Result.Content {
2859 if tb, ok := c.(provider.TextBlock); ok {
2860 if text.Len() > 0 {
2861 text.WriteString("\n")
2862 }
2863 text.WriteString(tb.Text)
2864 }
2865 }
2866 tc.Result = text.String()
2867 }
2868 // Force full repaint: tool completion shifts the layout
2869 // (collapsed body replaces streaming) and the diff renderer
2870 // may leave stale code fragments on status bar rows.
2871 if i.rend != nil {
2872 i.rend.Invalidate()
2873 }
2874 if i.cfg.OnToolResult != nil {
2875 i.cfg.OnToolResult(e.ID, e.Result)
2876 }
2877 case core.EvUsage:
2878 i.cumUsage = e.Cumulative
2879 if e.Usage.InputTokens > 0 {
2880 i.lastCtxInput = e.Usage.InputTokens + e.Usage.CacheReadTokens + e.Usage.CacheWriteTokens
2881 }
2882 case core.EvTurnEnd:
2883 // Force full repaint: the turn ending shifts layout (streaming
2884 // buffer flushed, status bar updates) and the diff renderer
2885 // may leave stale content on reused rows.
2886 if i.rend != nil {
2887 i.rend.Invalidate()
2888 }
2889 if e.Stop == provider.StopAborted {
2890 i.resetStreamingStateLocked()
2891 i.statusErr = ""
2892 i.statusOK = "cancelled"
2893 return
2894 }
2895 if e.Err != nil && !strings.Contains(e.Err.Error(), "context canceled") {
2896 i.statusErr = e.Err.Error()
2897 }
2898 }
2899}
2900
2901// Agent returns the current agent, if any. Used by cli.go to flush the
2902// final transcript to the session file.
2903func (i *Interactive) Agent() *core.Agent {
2904 i.mu.Lock()
2905 defer i.mu.Unlock()
2906 return i.agent
2907}
2908
2909// silence unused import in some build configs
2910var _ = fmt.Sprintf
2911
2912// runReloadExt triggers a live reload of every extension (discovered
2913// + explicit). Runs on a goroutine so the TUI stays responsive; the
2914// Manager.Reload takes a couple of hundred ms to shut down subprocs
2915// and respawn them. Shows a status line throughout.
2916func (i *Interactive) runReloadExt(ctx context.Context) {
2917 if i.cfg.Extensions == nil {
2918 i.mu.Lock()
2919 i.statusErr = "no extension manager in this build"
2920 i.mu.Unlock()
2921 i.invalidate()
2922 return
2923 }
2924 i.mu.Lock()
2925 i.statusOK = "reloading extensions…"
2926 i.statusErr = ""
2927 i.mu.Unlock()
2928 i.invalidate()
2929
2930 go func() {
2931 stats := i.cfg.Extensions.Reload(ctx, 2*time.Second)
2932 msg := fmt.Sprintf("reloaded: %d stopped, %d loaded (%d ready)", stats.Stopped, stats.Loaded, stats.Ready)
2933 if len(stats.Errors) > 0 {
2934 msg += fmt.Sprintf(", %d error(s)", len(stats.Errors))
2935 }
2936 i.mu.Lock()
2937 i.statusOK = msg
2938 i.statusErr = ""
2939 i.mu.Unlock()
2940 i.invalidate()
2941 }()
2942}
2943
2944// Confirm implements core.Confirmer. The agent goroutine calls
2945// this synchronously before every tool invocation when --no-yolo is
2946// active. We push the request onto the confirmDialog queue, trigger
2947// a redraw, and block the caller until the user answers.
2948//
2949// If the session is cancelled or the TUI exits mid-prompt, any
2950// pending request is refused via CancelAll so the agent doesn't
2951// deadlock.
2952func (i *Interactive) Confirm(toolName string, preview string) core.ConfirmDecision {
2953 resp := make(chan core.ConfirmDecision, 1)
2954 i.confirmDialog.Enqueue(&confirmRequest{
2955 toolName: toolName,
2956 preview: preview,
2957 resp: resp,
2958 })
2959 i.invalidate()
2960 return <-resp
2961}
2962
2963// runYoloOn disables --no-yolo for the rest of the session. Tool
2964// calls run without prompting after this; there's intentionally no
2965// way to re-enable gating mid-session, if the user wants that back
2966// they can exit and restart with --no-yolo.
2967func (i *Interactive) runYoloOn() {
2968 if i.cfg.ConfirmGate == nil {
2969 i.mu.Lock()
2970 i.statusOK = "yolo mode is already on (no --no-yolo in this session)"
2971 i.statusErr = ""
2972 i.mu.Unlock()
2973 i.invalidate()
2974 return
2975 }
2976 i.cfg.ConfirmGate.AllowAll()
2977 // Also auto-allow any currently pending confirmation so the
2978 // agent doesn't deadlock if /yolo is typed while a prompt is
2979 // open.
2980 i.confirmDialog.AllowAllPending()
2981 i.mu.Lock()
2982 i.statusOK = "yolo engaged: no more tool-call confirmations this session"
2983 i.statusErr = ""
2984 i.mu.Unlock()
2985 i.invalidate()
2986}
2987
2988// openTelegramDialog shows the picker for `/telegram` with no arg.
2989// Items depend on current state: disconnect + status when running,
2990// connect + status when stopped.
2991func (i *Interactive) openTelegramDialog() {
2992 items := i.telegramMenuItems()
2993 if len(items) == 0 {
2994 i.mu.Lock()
2995 i.statusErr = "telegram not configured. run `zot telegram-bot setup` first."
2996 i.mu.Unlock()
2997 i.invalidate()
2998 return
2999 }
3000 i.telegramDialog.Open(items)
3001 i.invalidate()
3002}
3003
3004// telegramMenuItems builds the dialog entries for the current
3005// bridge state. Returns empty when no bot.json exists so the
3006// caller can show a helpful status line instead of an empty menu.
3007func (i *Interactive) telegramMenuItems() []telegramItem {
3008 cfg, err := telegram.LoadConfig(i.cfg.ZotHome)
3009 if err != nil || cfg.BotToken == "" {
3010 return nil
3011 }
3012 var items []telegramItem
3013 if i.telegramBridge != nil && i.telegramBridge.Active() {
3014 items = append(items, telegramItem{label: "disconnect", action: "disconnect", hint: "stop mirroring"})
3015 st := i.telegramBridge.State()
3016 hint := "active"
3017 if st.Username != "" {
3018 hint += " as @" + st.Username
3019 }
3020 items = append(items, telegramItem{label: "status", action: "status", hint: hint})
3021 } else {
3022 label := "connect"
3023 hint := "start mirroring dms into this session"
3024 if cfg.AllowedUserID == 0 {
3025 hint = "awaiting pairing (send /start to the bot once connected)"
3026 }
3027 items = append(items, telegramItem{label: label, action: "connect", hint: hint})
3028 items = append(items, telegramItem{label: "status", action: "status", hint: "disconnected"})
3029 }
3030 return items
3031}
3032
3033// doTelegram dispatches one of the three explicit actions. Called
3034// from /telegram <action> or after the picker selects a row.
3035func (i *Interactive) doTelegram(action string) {
3036 switch action {
3037 case "connect":
3038 i.telegramConnect()
3039 case "disconnect":
3040 i.telegramDisconnect()
3041 case "status":
3042 i.telegramStatus()
3043 default:
3044 i.mu.Lock()
3045 i.statusErr = "unknown telegram action: " + action + " (use connect, disconnect, or status)"
3046 i.mu.Unlock()
3047 i.invalidate()
3048 }
3049}
3050
3051// telegramConnect starts the bridge. Refuses if it's already
3052// running or if the on-disk bot.json is missing a token.
3053func (i *Interactive) telegramConnect() {
3054 if i.telegramBridge != nil && i.telegramBridge.Active() {
3055 i.mu.Lock()
3056 i.statusOK = "telegram already connected"
3057 i.statusErr = ""
3058 i.mu.Unlock()
3059 i.invalidate()
3060 return
3061 }
3062 cfg, err := telegram.LoadConfig(i.cfg.ZotHome)
3063 if err != nil {
3064 i.mu.Lock()
3065 i.statusErr = "telegram: " + err.Error()
3066 i.mu.Unlock()
3067 i.invalidate()
3068 return
3069 }
3070 if cfg.BotToken == "" {
3071 i.mu.Lock()
3072 i.statusErr = "telegram: no bot token configured. run `zot telegram-bot setup` first."
3073 i.mu.Unlock()
3074 i.invalidate()
3075 return
3076 }
3077 // Refuse to start when a background daemon is already polling
3078 // the same bot. Two concurrent long-poll consumers race each
3079 // update and one always loses, so DMs get half-delivered. The
3080 // user can `zot telegram-bot stop` first, then /telegram connect.
3081 if pid, alive, _ := telegram.IsRunning(i.cfg.ZotHome); alive && pid > 0 {
3082 i.mu.Lock()
3083 i.statusErr = fmt.Sprintf("telegram: bot daemon already running (pid %d). stop it with `zot telegram-bot stop` first.", pid)
3084 i.mu.Unlock()
3085 i.invalidate()
3086 return
3087 }
3088 i.telegramBridge = &telegram.Bridge{
3089 Client: telegram.NewClient(cfg.BotToken),
3090 Config: cfg,
3091 Save: func(next telegram.Config) error {
3092 return telegram.SaveConfig(i.cfg.ZotHome, next)
3093 },
3094 Host: &telegramHost{iv: i},
3095 }
3096 if err := i.telegramBridge.Start(i.runCtx); err != nil {
3097 i.telegramBridge = nil
3098 i.mu.Lock()
3099 i.statusErr = "telegram connect failed: " + err.Error()
3100 i.mu.Unlock()
3101 i.invalidate()
3102 return
3103 }
3104 i.applyTelegramTools(true)
3105 state := i.telegramBridge.State()
3106 label := "telegram connected"
3107 if state.Username != "" {
3108 label += " as @" + state.Username
3109 }
3110 if state.PairedID == 0 {
3111 label += " — send /start to the bot from your phone to claim it"
3112 }
3113 i.mu.Lock()
3114 i.statusOK = label
3115 i.statusErr = ""
3116 i.mu.Unlock()
3117 i.invalidate()
3118}
3119
3120// telegramDisconnect stops the bridge. No-op when already stopped.
3121func (i *Interactive) telegramDisconnect() {
3122 if i.telegramBridge == nil || !i.telegramBridge.Active() {
3123 i.mu.Lock()
3124 i.statusOK = "telegram already disconnected"
3125 i.statusErr = ""
3126 i.mu.Unlock()
3127 i.invalidate()
3128 return
3129 }
3130 i.telegramBridge.Stop()
3131 i.applyTelegramTools(false)
3132 i.mu.Lock()
3133 i.statusOK = "telegram disconnected"
3134 i.statusErr = ""
3135 i.mu.Unlock()
3136 i.invalidate()
3137}
3138
3139// telegramSenderAdapter wraps the bridge so the tools package can
3140// drive it without importing telegram directly. The Active() check
3141// is forwarded to the bridge so the tool can fail clearly with a
3142// model-readable error when the user disconnected mid-turn.
3143type telegramSenderAdapter struct {
3144 bridge *telegram.Bridge
3145}
3146
3147func (a telegramSenderAdapter) SendImage(ctx context.Context, path, caption string) error {
3148 if a.bridge == nil {
3149 return fmt.Errorf("telegram bridge is not connected")
3150 }
3151 return a.bridge.SendImage(ctx, path, caption)
3152}
3153
3154func (a telegramSenderAdapter) SendDocument(ctx context.Context, path, caption string) error {
3155 if a.bridge == nil {
3156 return fmt.Errorf("telegram bridge is not connected")
3157 }
3158 return a.bridge.SendDocument(ctx, path, caption)
3159}
3160
3161func (a telegramSenderAdapter) Active() bool {
3162 return a.bridge != nil && a.bridge.Active()
3163}
3164
3165// applyTelegramTools registers (active=true) or removes (active=false)
3166// the telegram_send_image and telegram_send_file tools on the running
3167// agent so the model only sees them while the bridge is connected.
3168// Snapshots and mutates the live tool registry so any extension or
3169// /reload-ext additions made while Telegram is connected survive a
3170// later /telegram disconnect (we only add or strip the two telegram
3171// entries, never the rest).
3172func (i *Interactive) applyTelegramTools(active bool) {
3173 if i.agent == nil {
3174 return
3175 }
3176 current := i.agent.Tools
3177 next := core.Registry{}
3178 for name, t := range current {
3179 if name == "telegram_send_image" || name == "telegram_send_file" {
3180 continue
3181 }
3182 next[name] = t
3183 }
3184 if active {
3185 sender := telegramSenderAdapter{bridge: i.telegramBridge}
3186 next["telegram_send_image"] = &tools.TelegramSendImageTool{
3187 CWD: i.cfg.CWD, Sandbox: i.cfg.Sandbox, Sender: sender,
3188 }
3189 next["telegram_send_file"] = &tools.TelegramSendFileTool{
3190 CWD: i.cfg.CWD, Sandbox: i.cfg.Sandbox, Sender: sender,
3191 }
3192 }
3193 i.agent.SetTools(next)
3194}
3195
3196// telegramStatus writes a one-liner describing the bridge state.
3197// Reports on both the in-tui bridge and the background daemon so
3198// the user isn't confused when the daemon owns the poll loop.
3199func (i *Interactive) telegramStatus() {
3200 var msg string
3201 if i.telegramBridge != nil && i.telegramBridge.Active() {
3202 s := i.telegramBridge.State()
3203 msg = "telegram: connected (tui bridge)"
3204 if s.Username != "" {
3205 msg += " as @" + s.Username
3206 }
3207 if s.PairedID != 0 {
3208 msg += fmt.Sprintf(" - paired with user %d", s.PairedID)
3209 } else {
3210 msg += " - awaiting pairing"
3211 }
3212 } else if pid, alive, _ := telegram.IsRunning(i.cfg.ZotHome); alive && pid > 0 {
3213 msg = fmt.Sprintf("telegram: background daemon running (pid %d) - /telegram connect won't work until you stop it", pid)
3214 } else {
3215 cfg, _ := telegram.LoadConfig(i.cfg.ZotHome)
3216 if cfg.BotToken == "" {
3217 msg = "telegram: not configured. run `zot telegram-bot setup` first."
3218 } else {
3219 msg = "telegram: disconnected"
3220 if cfg.BotUsername != "" {
3221 msg += " (@" + cfg.BotUsername + " ready to connect)"
3222 }
3223 }
3224 }
3225 i.mu.Lock()
3226 i.statusOK = msg
3227 i.statusErr = ""
3228 i.mu.Unlock()
3229 i.invalidate()
3230}
3231
3232// telegramHost adapts *Interactive to telegram.Host so the bridge
3233// can call back into the TUI without importing modes directly.
3234type telegramHost struct{ iv *Interactive }
3235
3236func (h *telegramHost) SubmitOrQueue(prompt string, images []provider.ImageBlock) {
3237 h.iv.SubmitOrQueue(prompt, images)
3238}
3239
3240func (h *telegramHost) CancelTurn() { h.iv.CancelTurn() }
3241
3242func (h *telegramHost) Notify(level, message string) {
3243 h.iv.mu.Lock()
3244 switch level {
3245 case "error", "warn":
3246 h.iv.statusErr = message
3247 h.iv.statusOK = ""
3248 default:
3249 h.iv.statusOK = message
3250 h.iv.statusErr = ""
3251 }
3252 h.iv.mu.Unlock()
3253 h.iv.invalidate()
3254}
3255
3256// openSessionOpsDialog shows the picker for `/session` with no arg.
3257// Always offers export, import, fork, tree; the handlers bail with
3258// a clear status message when the precondition isn't met (empty
3259// transcript on fork; no parent/siblings on tree).
3260func (i *Interactive) openSessionOpsDialog() {
3261 items := []sessionOpsItem{
3262 {label: "export", action: "export", hint: "write the current session to a .zotsession file"},
3263 {label: "import", action: "import", hint: "load a .zotsession file into this directory"},
3264 {label: "fork", action: "fork", hint: "branch from a past user message into a new session"},
3265 {label: "tree", action: "tree", hint: "switch between branches in this directory"},
3266 }
3267 i.sessionOpsDialog.Open(items)
3268 i.invalidate()
3269}
3270
3271// doSessionOp dispatches export, import, fork, or tree. arg is the
3272// optional positional argument from e.g. /session export <path>
3273// or /session import <path>; fork and tree ignore it.
3274func (i *Interactive) doSessionOp(action, arg string) {
3275 switch action {
3276 case "export":
3277 i.doSessionExport(arg)
3278 case "import":
3279 i.doSessionImport(arg)
3280 case "fork":
3281 i.doSessionFork()
3282 case "tree":
3283 i.doSessionTree()
3284 default:
3285 i.mu.Lock()
3286 i.statusErr = "unknown /session action: " + action + " (use export, import, fork, or tree)"
3287 i.mu.Unlock()
3288 i.invalidate()
3289 }
3290}
3291
3292// doSessionExport writes the live session file to destination path
3293// dst. When dst is empty we default to ~/Downloads (falling back to
3294// the user's home directory if it doesn't exist). The helper
3295// expands a leading `~` and creates any missing parent directories.
3296func (i *Interactive) doSessionExport(dst string) {
3297 if i.cfg.CurrentSessionPath == nil {
3298 i.mu.Lock()
3299 i.statusErr = "export: no session is active (running with --no-session?)"
3300 i.mu.Unlock()
3301 i.invalidate()
3302 return
3303 }
3304 src := i.cfg.CurrentSessionPath()
3305 if src == "" {
3306 i.mu.Lock()
3307 i.statusErr = "export: no session is active (running with --no-session?)"
3308 i.mu.Unlock()
3309 i.invalidate()
3310 return
3311 }
3312 // Persist any in-memory agent messages to the session file so
3313 // the export carries the full conversation. Without this, the
3314 // default lazy-flush-at-exit strategy leaves most of a running
3315 // session unwritten and the export ends up with only the meta.
3316 if i.cfg.FlushSession != nil {
3317 i.cfg.FlushSession()
3318 }
3319 dst = unquotePath(dst)
3320 if dst == "" {
3321 dst = defaultExportDir()
3322 } else {
3323 dst = expandTilde(dst)
3324 }
3325 out, err := core.ExportSession(src, dst)
3326 if err != nil {
3327 i.mu.Lock()
3328 i.statusErr = "export: " + err.Error()
3329 i.mu.Unlock()
3330 i.invalidate()
3331 return
3332 }
3333 i.mu.Lock()
3334 i.statusOK = "exported session to " + friendlyPath(out)
3335 i.statusErr = ""
3336 i.mu.Unlock()
3337 i.invalidate()
3338}
3339
3340// doSessionImport copies the .zotsession file at src into the
3341// running cwd's sessions directory and loads it as the active
3342// session, same as `/sessions` -> pick. When src is empty we ask
3343// the user to pass a path (no usable default here).
3344func (i *Interactive) doSessionImport(src string) {
3345 src = unquotePath(src)
3346 if src == "" {
3347 i.mu.Lock()
3348 i.statusErr = "import: pass a path — e.g. /session import ~/Downloads/work.zotsession"
3349 i.mu.Unlock()
3350 i.invalidate()
3351 return
3352 }
3353 src = expandTilde(src)
3354 if _, err := os.Stat(src); err != nil {
3355 i.mu.Lock()
3356 i.statusErr = "import: " + err.Error()
3357 i.mu.Unlock()
3358 i.invalidate()
3359 return
3360 }
3361 newPath, err := core.ImportSession(src, i.cfg.ZotHome, i.cfg.CWD, i.cfg.Version)
3362 if err != nil {
3363 i.mu.Lock()
3364 i.statusErr = "import: " + err.Error()
3365 i.mu.Unlock()
3366 i.invalidate()
3367 return
3368 }
3369 if i.cfg.LoadSession == nil {
3370 i.mu.Lock()
3371 i.statusOK = "imported session at " + friendlyPath(newPath) + " (run /sessions to resume it)"
3372 i.statusErr = ""
3373 i.mu.Unlock()
3374 i.invalidate()
3375 return
3376 }
3377 if err := i.cfg.LoadSession(newPath); err != nil {
3378 i.mu.Lock()
3379 i.statusErr = "import: load failed: " + err.Error()
3380 i.mu.Unlock()
3381 i.invalidate()
3382 return
3383 }
3384 i.mu.Lock()
3385 i.statusOK = "imported and switched to session " + friendlyPath(newPath)
3386 i.statusErr = ""
3387 i.mu.Unlock()
3388 i.invalidate()
3389}
3390
3391// defaultExportDir returns ~/Downloads when it exists, or ~ as a
3392// fallback, or /tmp on exotic machines with no home dir.
3393func defaultExportDir() string {
3394 home, err := os.UserHomeDir()
3395 if err != nil || home == "" {
3396 return os.TempDir()
3397 }
3398 downloads := filepath.Join(home, "Downloads")
3399 if fi, err := os.Stat(downloads); err == nil && fi.IsDir() {
3400 return downloads
3401 }
3402 return home
3403}
3404
3405// expandTilde turns a leading ~ into the user's home directory.
3406// Returns the input unchanged when there's no tilde or no home.
3407func expandTilde(p string) string {
3408 if p == "" || p[0] != '~' {
3409 return p
3410 }
3411 home, err := os.UserHomeDir()
3412 if err != nil || home == "" {
3413 return p
3414 }
3415 if len(p) == 1 {
3416 return home
3417 }
3418 if p[1] == '/' || p[1] == filepath.Separator {
3419 return filepath.Join(home, p[2:])
3420 }
3421 return p
3422}
3423
3424// unquotePath strips a matching pair of surrounding single or
3425// double quotes. Drag-drop paste in the tui auto-quotes dropped
3426// file paths so the shell-like `/session import 'foo bar.zs'`
3427// stays well-formed; when the TUI's own slash handler consumes
3428// the arg, we want the raw path back.
3429func unquotePath(p string) string {
3430 p = strings.TrimSpace(p)
3431 if len(p) >= 2 {
3432 first := p[0]
3433 last := p[len(p)-1]
3434 if (first == '\'' && last == '\'') || (first == '"' && last == '"') {
3435 p = p[1 : len(p)-1]
3436 }
3437 }
3438 return p
3439}
3440
3441// friendlyPath collapses the user's home directory to a leading ~
3442// so status messages read cleanly. Falls back to the raw path when
3443// the home dir is unknown.
3444func friendlyPath(p string) string {
3445 home, err := os.UserHomeDir()
3446 if err != nil || home == "" {
3447 return p
3448 }
3449 if strings.HasPrefix(p, home+string(filepath.Separator)) {
3450 return "~" + p[len(home):]
3451 }
3452 return p
3453}
3454
3455// doSessionFork opens the /jump turn picker in "fork mode". The
3456// next selection branches the current session at that user turn
3457// instead of scrolling the viewport to it.
3458func (i *Interactive) doSessionFork() {
3459 if i.cfg.CurrentSessionPath == nil || i.cfg.CurrentSessionPath() == "" {
3460 i.mu.Lock()
3461 i.statusErr = "fork: no session is active (running with --no-session?)"
3462 i.mu.Unlock()
3463 i.invalidate()
3464 return
3465 }
3466 msgs := []provider.Message{}
3467 if i.agent != nil {
3468 msgs = i.agent.Messages()
3469 }
3470 if len(msgs) == 0 {
3471 i.mu.Lock()
3472 i.statusErr = "fork: transcript is empty; nothing to fork from"
3473 i.mu.Unlock()
3474 i.invalidate()
3475 return
3476 }
3477 i.pendingFork = true
3478 i.jumpDialog.Open(msgs, "")
3479 i.invalidate()
3480}
3481
3482// doSessionTree shows the branch topology picker for this cwd.
3483// Pick an entry to switch into it (same semantics as /sessions
3484// picking a past session, but with the parent/child indentation).
3485func (i *Interactive) doSessionTree() {
3486 if i.cfg.ZotHome == "" || i.cfg.CWD == "" {
3487 i.mu.Lock()
3488 i.statusErr = "tree: session storage not configured"
3489 i.mu.Unlock()
3490 i.invalidate()
3491 return
3492 }
3493 // Flush the running agent's transcript first so its message
3494 // count + latest preview are accurate in the tree.
3495 if i.cfg.FlushSession != nil {
3496 i.cfg.FlushSession()
3497 }
3498 roots := core.BuildSessionTree(i.cfg.ZotHome, i.cfg.CWD)
3499 if len(roots) == 0 {
3500 i.mu.Lock()
3501 i.statusErr = "tree: no sessions in this directory yet"
3502 i.mu.Unlock()
3503 i.invalidate()
3504 return
3505 }
3506 current := ""
3507 if i.cfg.CurrentSessionPath != nil {
3508 current = i.cfg.CurrentSessionPath()
3509 }
3510 if !i.sessionTreeDialog.Open(roots, current) {
3511 i.mu.Lock()
3512 i.statusErr = "tree: no branches to show"
3513 i.mu.Unlock()
3514 }
3515 i.invalidate()
3516}
3517
3518// applySessionTreeSelection switches the running agent to the
3519// session file at path. Thin wrapper around LoadSession that also
3520// writes a status line.
3521func (i *Interactive) applySessionTreeSelection(path string) {
3522 if i.cfg.LoadSession == nil {
3523 i.mu.Lock()
3524 i.statusErr = "tree: session swap not available in this build"
3525 i.mu.Unlock()
3526 i.invalidate()
3527 return
3528 }
3529 if err := i.cfg.LoadSession(path); err != nil {
3530 i.mu.Lock()
3531 i.statusErr = "tree: load failed: " + err.Error()
3532 i.mu.Unlock()
3533 i.invalidate()
3534 return
3535 }
3536 i.mu.Lock()
3537 i.statusOK = "switched to branch " + friendlyPath(path)
3538 i.statusErr = ""
3539 i.mu.Unlock()
3540 i.invalidate()
3541}
3542
3543// applyForkSelection branches the current session at msgIdx+1 (so
3544// the selected user message and everything before it is included
3545// in the new branch), then switches the running agent to the new
3546// file. Called from the jump-dialog handler when pendingFork=true.
3547func (i *Interactive) applyForkSelection(msgIdx int) {
3548 i.pendingFork = false
3549 if i.cfg.CurrentSessionPath == nil {
3550 i.mu.Lock()
3551 i.statusErr = "fork: no session is active"
3552 i.mu.Unlock()
3553 i.invalidate()
3554 return
3555 }
3556 src := i.cfg.CurrentSessionPath()
3557 if src == "" {
3558 i.mu.Lock()
3559 i.statusErr = "fork: no session is active"
3560 i.mu.Unlock()
3561 i.invalidate()
3562 return
3563 }
3564 if i.cfg.FlushSession != nil {
3565 i.cfg.FlushSession()
3566 }
3567 // msgIdx is 0-indexed message position; copy msgIdx+1 rows so
3568 // the selected user message is included.
3569 upTo := msgIdx + 1
3570 newPath, err := core.BranchSession(src, i.cfg.ZotHome, i.cfg.CWD, i.cfg.Version, upTo)
3571 if err != nil {
3572 i.mu.Lock()
3573 i.statusErr = "fork: " + err.Error()
3574 i.mu.Unlock()
3575 i.invalidate()
3576 return
3577 }
3578 if i.cfg.LoadSession == nil {
3579 i.mu.Lock()
3580 i.statusOK = "forked at message " + formatInt(upTo) + " (run /sessions to resume)"
3581 i.statusErr = ""
3582 i.mu.Unlock()
3583 i.invalidate()
3584 return
3585 }
3586 if err := i.cfg.LoadSession(newPath); err != nil {
3587 i.mu.Lock()
3588 i.statusErr = "fork: switch failed: " + err.Error()
3589 i.mu.Unlock()
3590 i.invalidate()
3591 return
3592 }
3593 i.mu.Lock()
3594 i.statusOK = "forked and switched to new branch at " + friendlyPath(newPath)
3595 i.statusErr = ""
3596 i.mu.Unlock()
3597 i.invalidate()
3598}
3599
3600// formatInt is a tiny strconv.Itoa shim; keeps the handler above
3601// from needing a strconv import just for one call.
3602func formatInt(n int) string {
3603 return fmt.Sprintf("%d", n)
3604}
3605
3606// assistantText returns the concatenated text of every TextBlock in
3607// m. Used by the streaming-view dedupe guard to tell when a live
3608// streamed reply has already been promoted into the transcript.
3609func assistantText(m provider.Message) string {
3610 var sb strings.Builder
3611 for _, c := range m.Content {
3612 if tb, ok := c.(provider.TextBlock); ok {
3613 if sb.Len() > 0 {
3614 sb.WriteByte('\n')
3615 }
3616 sb.WriteString(tb.Text)
3617 }
3618 }
3619 return sb.String()
3620}
3621
3622// resetStreamingStateLocked clears every piece of streaming state
3623// in one shot. Used by abort paths (turn cancel, compact finish,
3624// queue drain) so the pacer doesn't keep draining stale runes from
3625// a prior turn. Must be called with i.mu held.
3626func (i *Interactive) resetStreamingStateLocked() {
3627 i.streaming.Reset()
3628 i.streamPending = i.streamPending[:0]
3629 i.streamFlushPending = false
3630 i.streamOn = false
3631}
3632
3633// assistantMessageSideEffects runs the non-visual hooks attached to
3634// EvAssistantMessage: the host-provided OnAssistant callback and the
3635// telegram-bridge mirror. Called with i.mu held.
3636//
3637// Factored out of handleEvent because the streaming pacer may defer
3638// visual reset until after the last buffered rune has painted, but
3639// the callbacks themselves must fire on message arrival so
3640// downstream observers (session persistence, telegram, cost panels)
3641// don't wait on a UI animation to catch up.
3642func (i *Interactive) assistantMessageSideEffects(m provider.Message) {
3643 if i.cfg.OnAssistant != nil {
3644 i.cfg.OnAssistant(m)
3645 }
3646 if i.telegramBridge != nil && i.telegramBridge.Active() {
3647 var sb strings.Builder
3648 for _, c := range m.Content {
3649 if tb, ok := c.(provider.TextBlock); ok {
3650 if sb.Len() > 0 {
3651 sb.WriteString("\n")
3652 }
3653 sb.WriteString(tb.Text)
3654 }
3655 }
3656 if text := sb.String(); strings.TrimSpace(text) != "" {
3657 go i.telegramBridge.OnAssistantText(text)
3658 }
3659 }
3660}
3661
3662// paintPaceRate is how many runes the streaming pacer releases per
3663// tick. With a 16ms tick, 6 runes/tick is ~375 runes/s — fast enough
3664// that a 500-rune summary finishes in ~1.3s, slow enough to look
3665// like a human typing. Empirically matches the feel of provider
3666// paths that already drip-stream natively.
3667const paintPaceRate = 6
3668
3669// paintPaceInterval is the tick interval for the streaming pacer.
3670// 16ms lines up with the redraw throttle so we never paint faster
3671// than the terminal can keep up.
3672const paintPaceInterval = 16 * time.Millisecond
3673
3674// runStreamPacer drains buffered deltas from streamPending into
3675// streaming a small batch per tick, invalidating after each move.
3676// It stops when the context cancels (tui shutdown).
3677//
3678// Why a pacer: providers differ wildly in how they chunk their
3679// text_delta events. The API-key path on Anthropic emits ~30 drips
3680// for a 400-token summary; the OAuth path can coalesce the same
3681// summary into 3 fat chunks, visually indistinguishable from "the
3682// whole reply just appeared". The pacer normalizes that so every
3683// path looks the same on screen.
3684func (i *Interactive) runStreamPacer(ctx context.Context) {
3685 t := time.NewTicker(paintPaceInterval)
3686 defer t.Stop()
3687 for {
3688 select {
3689 case <-ctx.Done():
3690 return
3691 case <-t.C:
3692 i.mu.Lock()
3693 if len(i.streamPending) == 0 {
3694 // EvAssistantMessage already fired but the pacer
3695 // was still draining a tick ago. Everything is now
3696 // painted; clear the streaming flags so the next
3697 // redraw shows the finalised transcript message
3698 // and hides the streaming overlay.
3699 if i.streamFlushPending {
3700 i.streamFlushPending = false
3701 i.streaming.Reset()
3702 i.streamOn = false
3703 i.mu.Unlock()
3704 i.invalidate()
3705 continue
3706 }
3707 i.mu.Unlock()
3708 continue
3709 }
3710 n := paintPaceRate
3711 if n > len(i.streamPending) {
3712 n = len(i.streamPending)
3713 }
3714 i.streaming.WriteString(string(i.streamPending[:n]))
3715 i.streamPending = i.streamPending[n:]
3716 i.mu.Unlock()
3717 i.invalidate()
3718 }
3719 }
3720}