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 // inputHistoryIndex is -1 when not browsing history. When the
257 // editor is empty, Left/Right can walk previous user prompts for
258 // quick manual testing without stealing normal cursor movement in
259 // non-empty input.
260 inputHistoryIndex int
261
262 // lastCtrlC is when the user last pressed ctrl+c. The first press
263 // clears the editor / cancels a turn / shows a hint; a second press
264 // within ctrlCExitWindow exits. Mirrors the python-repl convention.
265 lastCtrlC time.Time
266
267 // welcomeStart is when the interactive run began. The welcome
268 // banner shows the binary version for welcomeVersionDuration
269 // after this point and reverts to plain text after.
270 welcomeStart time.Time
271
272 // extNotes are one-shot styled lines pushed by extensions via
273 // Notify / Display. They live above the editor (just below the
274 // transcript) until cleared by /clear or another reset.
275 extNotes []string
276}
277
278// welcomeVersionDuration is how long the welcome banner shows the
279// version suffix before reverting to the plain headline. 1.5s is
280// enough to read at a glance and keeps the splash short.
281const welcomeVersionDuration = 1500 * time.Millisecond
282
283// NewInteractive constructs an Interactive from cfg.
284func NewInteractive(cfg InteractiveConfig) *Interactive {
285 i := &Interactive{
286 cfg: cfg,
287 view: &tui.View{
288 Theme: cfg.Theme,
289 ImageProto: tui.DetectImageProtocol(),
290 },
291 // Prompt is the standard half-block accent bar used by chat
292 // speaker labels too, so the input gutter matches the rest
293 // of the UI.
294 ed: tui.NewEditor(cfg.Theme.AccentBar(cfg.Theme.Accent)),
295 rend: tui.NewRenderer(cfg.Terminal),
296 toolCalls: map[string]*tui.ToolCallView{},
297 dirty: make(chan struct{}, 8),
298 dialog: newLoginDialog(),
299 modelDialog: newModelDialog(),
300 sessionDialog: newSessionDialog(),
301 jumpDialog: newJumpDialog(),
302 btwDialog: newBtwDialog(),
303 skillsDialog: newSkillsDialog(),
304 changelogDialog: newChangelogDialog(),
305 confirmDialog: newConfirmDialog(),
306 logoutDialog: newLogoutDialog(),
307 telegramDialog: newTelegramDialog(),
308 sessionOpsDialog: newSessionOpsDialog(),
309 sessionTreeDialog: newSessionTreeDialog(),
310 extPanel: newExtPanelDialog(),
311 suggest: newSlashSuggester(),
312 fileSuggest: newFileSuggester(),
313 spin: newSpinner(),
314 inputHistoryIndex: -1,
315 }
316 if cfg.Agent != nil {
317 i.agent = cfg.Agent
318 i.view.Messages = cfg.Agent.Messages()
319 i.cumUsage = cfg.Agent.Cost()
320 }
321 return i
322}
323
324// Run blocks until the user quits.
325func (i *Interactive) Run(ctx context.Context) error {
326 i.runCtx = ctx
327 term := i.cfg.Terminal
328 restore, err := term.EnterRaw()
329 if err != nil {
330 return err
331 }
332 defer restore()
333 defer func() {
334 if i.telegramBridge != nil {
335 i.telegramBridge.Stop()
336 }
337 }()
338
339 _, _ = term.Write([]byte(tui.SeqBracketedPasteOn))
340 _, _ = term.Write([]byte(tui.SeqAltScreenOn))
341 defer term.Write([]byte(tui.SeqAltScreenOff + tui.SeqBracketedPasteOff + tui.SeqShowCursor))
342
343 // Streaming pacer: drains buffered text deltas at a steady rate
344 // so typewriter feel is identical across providers regardless of
345 // upstream chunk size. Starts here so it lives for the whole
346 // session and exits with ctx.
347 go i.runStreamPacer(ctx)
348
349 cols, rows := term.Size()
350 i.rend.Resize(cols, rows)
351 term.OnResize(func() {
352 c, r := term.Size()
353 i.rend.Resize(c, r)
354 // Force an immediate redraw on resize. The throttled invalidate
355 // path is fine for animation, but a window resize is a discrete
356 // user action where any visible delay (or stale frame) reads as
357 // brokenness. redraw() is mutex-safe; the worst that happens is
358 // a duplicate paint if the throttler is mid-flight, which is
359 // invisible.
360 i.redraw()
361 })
362
363 if i.cfg.InitialInput != "" {
364 i.ed.SetValue(i.cfg.InitialInput)
365 }
366
367 // Stamp the welcome time and schedule a one-shot redraw at the
368 // expiry so the version suffix disappears on its own even if the
369 // user hasn't typed anything yet.
370 i.welcomeStart = time.Now()
371 time.AfterFunc(welcomeVersionDuration, i.invalidate)
372
373 // If the agent was constructed with a pre-loaded transcript
374 // (--continue, --resume, --session) park the viewport on the
375 // most recent turn so the user lands looking at where the
376 // previous session left off rather than at the bottom of an
377 // already-rendered final reply.
378 if i.agent != nil {
379 if msgs := i.agent.Messages(); len(msgs) > 0 {
380 i.scrollToLastTurn(msgs)
381 }
382 }
383
384 // No credential at startup? Auto-open the login dialog, and mark
385 // the status line. The user can Esc out of the dialog if they
386 // want to dismiss it (e.g. to check /help or /exit first).
387 if i.agent == nil {
388 i.statusErr = "not logged in. pick a login method below or press esc to dismiss."
389 i.dialog.Open(i.cfg.ZotHome)
390 }
391
392 // Input goroutine. Buffered generously so a drag-drop that the
393 // terminal delivers as a burst of single-character key events
394 // (no bracketed paste) can be drained in one main-loop pass
395 // instead of triggering a redraw per character.
396 keys := make(chan tui.Key, 256)
397 go func() {
398 reader := tui.NewReaderWithPeek(term.ReadByte, term.PeekByteTimeout)
399 for {
400 k, err := reader.Read()
401 if err != nil {
402 return
403 }
404 keys <- k
405 }
406 }()
407
408 // Subscribe to auth events.
409 var authEvents <-chan auth.Event
410 if i.cfg.AuthManager != nil {
411 authEvents = i.cfg.AuthManager.Events()
412 }
413
414 // Animation ticker: drives spinner and dialog-related redraws when
415 // nothing else changed. 120ms is slow enough that highlighting a huge
416 // transcript doesn't spin the cpu.
417 tick := time.NewTicker(120 * time.Millisecond)
418 defer tick.Stop()
419
420 // Redraw throttle: coalesce bursts of invalidate() calls so we paint
421 // at most once every redrawMinInterval. Huge tool-result dumps can
422 // fire hundreds of invalidations while the user is typing; without
423 // this, the input goroutine never gets CPU and keystrokes lag.
424 const redrawMinInterval = 16 * time.Millisecond
425 var lastRedraw time.Time
426 var pendingRedraw bool
427 var pendingTimer *time.Timer
428
429 drainPending := func() {
430 if pendingTimer != nil {
431 pendingTimer.Stop()
432 pendingTimer = nil
433 }
434 if pendingRedraw {
435 pendingRedraw = false
436 lastRedraw = time.Now()
437 i.redraw()
438 }
439 }
440
441 requestRedraw := func() {
442 since := time.Since(lastRedraw)
443 if since >= redrawMinInterval {
444 // Redrawing right now subsumes any pending redraw, so clear
445 // the throttle state. Without this, a pending flag stays
446 // stuck at true and subsequent invalidate() calls within
447 // redrawMinInterval get dropped — which is exactly how the
448 // final "turn finished" frame went missing until the user
449 // nudged the ui by typing or scrolling.
450 if pendingTimer != nil {
451 pendingTimer.Stop()
452 }
453 pendingRedraw = false
454 lastRedraw = time.Now()
455 i.redraw()
456 return
457 }
458 if pendingRedraw {
459 return // already scheduled
460 }
461 pendingRedraw = true
462 wait := redrawMinInterval - since
463 if pendingTimer == nil {
464 pendingTimer = time.AfterFunc(wait, func() {
465 // Poke the dirty channel so the main loop wakes and
466 // drains the pending redraw on its own goroutine. We
467 // can't call drainPending here directly — it touches
468 // closure state shared with the main loop.
469 i.invalidate()
470 })
471 } else {
472 pendingTimer.Reset(wait)
473 }
474 }
475
476 i.invalidate()
477
478 updates := i.cfg.UpdateInfoChan // nil-safe; nil channel blocks forever in select
479 changelog := i.cfg.ChangelogChan // single-shot, see case below
480
481 for {
482 select {
483 case <-ctx.Done():
484 return ctx.Err()
485 case k := <-keys:
486 if done := i.handleKey(ctx, k); done {
487 return nil
488 }
489 // Drain any keystrokes that arrived during this iteration.
490 // VS Code (and other terminals that don't bracket drops as
491 // paste) deliver a path one rune at a time — without this
492 // loop the editor would render between every rune and a
493 // long path on a heavy transcript would visibly type in.
494 drain:
495 for {
496 select {
497 case k2 := <-keys:
498 if done := i.handleKey(ctx, k2); done {
499 return nil
500 }
501 default:
502 break drain
503 }
504 }
505 i.invalidate()
506 case ev := <-authEvents:
507 i.handleAuthEvent(ev)
508 i.invalidate()
509 case info, ok := <-updates:
510 if ok && info.Available {
511 i.mu.Lock()
512 i.updateInfo = info
513 i.mu.Unlock()
514 i.invalidate()
515 }
516 updates = nil // single-shot; subsequent iterations skip this case
517 case cl, ok := <-changelog:
518 if ok && cl.Body != "" {
519 i.changelogDialog.Open(cl.Version, cl.URL, cl.Body)
520 i.invalidate()
521 }
522 changelog = nil // single-shot
523 case <-i.dirty:
524 requestRedraw()
525 case <-tick.C:
526 // Always drain a pending redraw on the tick. This is the
527 // safety net that catches the case where the dirty channel
528 // was saturated when the final "turn finished" invalidate
529 // fired, or where the throttle scheduled a deferred redraw
530 // and the AfterFunc-driven invalidate got dropped on a
531 // full channel.
532 drainPending()
533 // Only force a periodic redraw when something is actually
534 // animating (the main spinner during a busy turn, or the
535 // btw side-chat spinner while it's awaiting a response).
536 // Static pickers (model, session, jump, etc.) don't need
537 // the tick and firing it cancels the terminal's cursor
538 // blink inside dialogs that host their own editor (btw),
539 // because each frame re-emits hide-cursor + show-cursor.
540 if i.busy || i.btwDialog.Loading() {
541 requestRedraw()
542 }
543 }
544 }
545}
546
547func (i *Interactive) invalidate() {
548 select {
549 case i.dirty <- struct{}{}:
550 default:
551 }
552}
553
554// lastCols returns the current terminal width in columns.
555func (i *Interactive) lastCols() int {
556 cols, _ := i.cfg.Terminal.Size()
557 return cols
558}
559
560// chatPage returns the number of chat rows currently visible, used
561// as the page size for PageUp/PageDown.
562func (i *Interactive) chatPage() int {
563 _, rows := i.cfg.Terminal.Size()
564 p := rows - 6 // rough reservation for status + editor + a dialog line
565 if p < 4 {
566 p = 4
567 }
568 return p
569}
570
571// scrollBy adjusts the scroll offset. Positive = up (into history).
572// Clearing the parked-turn label when we're back at the bottom means
573// the "viewing turn N" footer goes away automatically as soon as you
574// scroll back to the live tail.
575func (i *Interactive) scrollBy(delta int) {
576 i.mu.Lock()
577 i.scrollOffset += delta
578 if i.scrollOffset < 0 {
579 i.scrollOffset = 0
580 }
581 if i.scrollOffset == 0 {
582 i.parkedTurn = 0
583 i.parkedTotal = 0
584 }
585 if i.rend != nil {
586 // VS Code's terminal is especially prone to leaving stray
587 // wrapped-character fragments behind during scroll-driven
588 // viewport changes. Force a full repaint on scroll, but
589 // avoid a whole-screen clear because that visibly flickers.
590 i.rend.Invalidate()
591 }
592 i.mu.Unlock()
593 i.invalidate()
594}
595
596// scrollToBottom pins the view to the latest content.
597func (i *Interactive) scrollToBottom() {
598 i.mu.Lock()
599 i.scrollOffset = 0
600 i.parkedTurn = 0
601 i.parkedTotal = 0
602 if i.rend != nil {
603 i.rend.Invalidate()
604 }
605 i.mu.Unlock()
606 i.invalidate()
607}
608
609func (i *Interactive) redraw() {
610 i.mu.Lock()
611 defer i.mu.Unlock()
612
613 cols, _ := i.cfg.Terminal.Size()
614 if i.agent != nil {
615 i.view.Messages = filterHiddenTranscriptMessages(i.agent.Messages())
616 } else {
617 i.view.Messages = nil
618 }
619 // Pacer flush: while the streaming pacer is still draining the
620 // buffer (i.e. EvAssistantMessage already fired but more runes
621 // are queued), the final assistant message is already in
622 // i.agent.Messages() in full. Painting it in the transcript
623 // AND the streaming block at the same time shows the user the
624 // complete text immediately — which defeats the whole pacer.
625 // Hide the last message until the pacer catches up; once the
626 // flush-pending latch clears, the message is revealed (the
627 // streaming block disappears the same frame because streamOn
628 // flips off, so the transition is seamless).
629 if i.streamFlushPending && len(i.view.Messages) > 0 {
630 i.view.Messages = i.view.Messages[:len(i.view.Messages)-1]
631 }
632 i.view.Streaming = i.streaming.String()
633 i.view.StreamingActive = i.streamOn
634 // Guard against the narrow race where EvAssistantMessage has
635 // just promoted a streaming reply into the transcript but a
636 // render tick hasn't flipped streamOn off yet. Without the
637 // guard, the same text would appear twice (once as the
638 // in-flight streaming block, once as the last transcript
639 // message). We detect the duplicate strictly: the last
640 // assistant message's visible text must equal the streaming
641 // buffer. Just matching on role is too broad — it also hides
642 // the next round's typewriter streaming after a tool turn,
643 // because the last transcript message is always assistant
644 // (the tool-use block) until the follow-up summary lands.
645 if i.streamOn && i.streaming.Len() > 0 {
646 if n := len(i.view.Messages); n > 0 && i.view.Messages[n-1].Role == provider.RoleAssistant {
647 if assistantText(i.view.Messages[n-1]) == i.streaming.String() {
648 i.view.StreamingActive = false
649 }
650 }
651 }
652 // Live tool-call view: only shown while a turn is in flight. Once
653 // the agent is idle, every tool call has already been folded into
654 // the transcript (as assistant.ToolCallBlock + a tool-role message),
655 // so showing v.ToolCalls a second time would duplicate them below
656 // the final assistant text — which looks like the summary came
657 // "before" the tools.
658 i.view.ToolCalls = i.view.ToolCalls[:0]
659 if i.busy {
660 for _, id := range i.toolOrder {
661 if tc, ok := i.toolCalls[id]; ok {
662 i.view.ToolCalls = append(i.view.ToolCalls, *tc)
663 }
664 }
665 }
666 i.view.Err = i.statusErr
667
668 chat := i.view.Build(cols)
669
670 // Welcome banner: shown at the top of the chat area when there is
671 // no transcript yet. Disappears after the first message is sent.
672 // The version suffix is shown for welcomeVersionDuration after
673 // startup, then drops off automatically.
674 if len(i.view.Messages) == 0 && !i.streamOn && len(i.toolOrder) == 0 {
675 showVer := !i.welcomeStart.IsZero() && time.Since(i.welcomeStart) < welcomeVersionDuration
676 chat = append(welcomeBanner(i.cfg.Theme, i.cfg.Version, showVer), chat...)
677 }
678
679 // Update-available banner: prepended above everything else so it's
680 // the first thing the user sees when opening a new zot session.
681 // Once rendered, it stays until the user updates to a newer
682 // version — we don't persist a "dismissed" flag because this is
683 // cheap and re-showing it is how most users remember to update.
684 if i.updateInfo.Available {
685 banner := renderUpdateBanner(i.cfg.Theme, i.updateInfo, cols)
686 chat = append(banner, chat...)
687 }
688
689 // /help block: appended to the transcript so it appears at the
690 // bottom of the chat area (right above the status bar / editor).
691 // Prepending it would push long conversations off the top of the
692 // viewport, which users would miss entirely.
693 if len(i.helpBlock) > 0 {
694 chat = append(chat, i.helpBlock...)
695 }
696
697 if i.statusOK != "" {
698 // Hard-truncate the OK line to the visible width so a long
699 // session path ("resumed session: /Users/.../sessions/...")
700 // doesn't overflow past the right edge and look broken on a
701 // narrow terminal.
702 line := "✓ " + i.statusOK
703 if cols > 4 && len(line) > cols {
704 line = line[:cols-1] + "…"
705 }
706 chat = append(chat, i.cfg.Theme.FG256(i.cfg.Theme.Tool, line), "")
707 }
708
709 // Extension notes (notify / display) live just under the
710 // transcript, above the dialog/editor band. Cleared by /clear.
711 if len(i.extNotes) > 0 {
712 chat = append(chat, i.extNotes...)
713 chat = append(chat, "")
714 }
715
716 // Strip trailing blank rows so the chat content sits flush
717 // against the new "blank above status bar" row added by the
718 // bottom-region assembly. Build() ends every message with a
719 // blank separator; without this trim, the final message in
720 // the transcript would have its own trailing blank plus the
721 // status block's leading blank, doubling the gap.
722 for len(chat) > 0 && strings.TrimSpace(chat[len(chat)-1]) == "" {
723 chat = chat[:len(chat)-1]
724 }
725
726 // Dialogs (login or model picker) render between chat and the editor.
727 var dialog []string
728 switch {
729 case i.dialog.Active():
730 dialog = i.dialog.Render(i.cfg.Theme, cols)
731 case i.modelDialog.Active():
732 dialog = i.modelDialog.Render(i.cfg.Theme, cols)
733 case i.sessionDialog.Active():
734 // Reserve rows for the editor (~3), status line (1-2),
735 // dialog chrome (header + hint + rule + indicators, ~5),
736 // and leave the remainder for session rows. Minimum of 3
737 // rows so even a very small terminal shows something.
738 _, rows := i.cfg.Terminal.Size()
739 avail := rows - 12
740 if avail < 3 {
741 avail = 3
742 }
743 i.sessionDialog.MaxRows = avail
744 dialog = i.sessionDialog.Render(i.cfg.Theme, cols)
745 case i.jumpDialog.Active():
746 dialog = i.jumpDialog.Render(i.cfg.Theme, cols)
747 case i.btwDialog.Active():
748 dialog = i.btwDialog.Render(i.cfg.Theme, cols)
749 case i.skillsDialog.Active():
750 dialog = i.skillsDialog.Render(i.cfg.Theme, cols)
751 case i.changelogDialog.Active():
752 dialog = i.changelogDialog.Render(i.cfg.Theme, cols)
753 case i.confirmDialog.Active():
754 dialog = i.confirmDialog.Render(i.cfg.Theme, cols)
755 case i.logoutDialog.Active():
756 dialog = i.logoutDialog.Render(i.cfg.Theme, cols)
757 case i.telegramDialog.Active():
758 dialog = i.telegramDialog.Render(i.cfg.Theme, cols)
759 case i.sessionOpsDialog.Active():
760 dialog = i.sessionOpsDialog.Render(i.cfg.Theme, cols)
761 case i.sessionTreeDialog.Active():
762 dialog = i.sessionTreeDialog.Render(i.cfg.Theme, cols)
763 case i.extPanel.Active():
764 dialog = i.extPanel.Render(i.cfg.Theme, cols)
765 }
766
767 // Slash-command autocomplete: popup above the status line, only
768 // when the editor starts with "/" and no dialog is already open.
769 // Feed extension-registered commands into the suggester first so
770 // they show up in tab-complete + the popup alongside the built-ins.
771 if i.cfg.Extensions != nil {
772 catalog := i.cfg.Extensions.Commands()
773 extra := make([]slashCommand, 0, len(catalog))
774 for _, c := range catalog {
775 // The popup renders extension commands under a dedicated
776 // "── extensions ───" divider, so the description doesn't
777 // need to repeat the source. If the description is empty,
778 // fall back to the extension name so the row isn't blank.
779 desc := c.Description
780 if strings.TrimSpace(desc) == "" {
781 desc = "(" + c.Extension + ")"
782 }
783 extra = append(extra, slashCommand{
784 Name: "/" + c.Name,
785 Desc: desc,
786 })
787 }
788 i.suggest.SetExtra(extra)
789 }
790 var suggest []string
791 currentInput := i.ed.Value()
792 // Slash popup renders even while the agent is busy so the user
793 // can queue a destructive command (/clear, /compact, /logout,
794 // /model) or a read-only one (/help, /jump, /sessions, etc.)
795 // without waiting for the current turn to finish. The dispatcher
796 // in runSlash already handles the busy case per-command: safe
797 // ones run immediately, destructive ones cancel the turn first.
798 i.fileSuggest.SetCWD(i.cfg.CWD)
799 if len(dialog) == 0 && i.suggest.Active(currentInput) {
800 suggest = i.suggest.Render(currentInput, i.cfg.Theme, cols)
801 } else if len(dialog) == 0 && i.fileSuggest.Active(currentInput) {
802 suggest = i.fileSuggest.Render(currentInput, i.cfg.Theme, cols)
803 }
804 if len(suggest) > 0 {
805 // One blank row above the popup so it doesn't sit flush
806 // against the chat / welcome content above.
807 suggest = append([]string{""}, suggest...)
808 }
809
810 // Busy prefix shown at the far left of the status bar. The
811 // spinner glyph and its funny-line message share the `zot`
812 // label colour (Theme.Assistant) so the whole "who's working"
813 // band reads at a glance. Elapsed time stays muted because it
814 // drifts every second and shouldn't grab focus.
815 var busyPrefix string
816 if i.busy {
817 busyPrefix = fmt.Sprintf("%s %s %s %s",
818 i.cfg.Theme.FG256(i.cfg.Theme.Assistant, i.spin.Frame()),
819 i.cfg.Theme.FG256(i.cfg.Theme.Assistant, i.spin.Message()),
820 i.cfg.Theme.FG256(i.cfg.Theme.Muted, "-"),
821 i.cfg.Theme.FG256(i.cfg.Theme.Muted, i.spin.Elapsed().String()),
822 )
823 }
824
825 ctxMax := 0
826 if m, err := provider.FindModel(i.cfg.Provider, i.cfg.Model); err == nil {
827 ctxMax = m.ContextWindow
828 }
829 statusLines := tui.StatusBar(tui.StatusBarParams{
830 Theme: i.cfg.Theme,
831 Provider: i.cfg.Provider,
832 Model: i.cfg.Model,
833 Busy: i.busy,
834 BusyPrefix: busyPrefix,
835 CWD: i.cfg.CWD,
836 Locked: i.cfg.Sandbox.Locked(),
837 Usage: i.cumUsage,
838 Subscription: i.cfg.AuthMethod == "oauth",
839 ContextUsed: i.lastCtxInput,
840 ContextMax: ctxMax,
841 AutoCompacting: i.autoCompacting,
842 Telegram: i.telegramBridge != nil && i.telegramBridge.Active(),
843 Cols: cols,
844 })
845 edLines, curR, curC := i.ed.Render(cols)
846
847 // "Sliding in" chips for messages the user typed while a turn is
848 // in flight. Shown directly above the status bar so they're close
849 // to the editor but don't push the chat around.
850 var queue []string
851 if len(i.queued) > 0 {
852 queue = append(queue, "")
853 for _, q := range i.queued {
854 label := i.cfg.Theme.FG256(i.cfg.Theme.Accent, " sliding in: ")
855 text := truncateLine(q, cols-17)
856 queue = append(queue, label+i.cfg.Theme.FG256(i.cfg.Theme.Muted, text))
857 }
858 }
859
860 // Bottom-sticky sections (always visible, never scroll). Each
861 // non-empty subsection (dialog, suggest popup, sliding-in queue)
862 // is preceded by one blank row so it has air above the chat
863 // content. The status block and editor get their own dedicated
864 // blanks so spacing stays consistent whether or not a dialog or
865 // popup is showing.
866 bottom := make([]string, 0, len(dialog)+len(suggest)+len(queue)+len(edLines)+8)
867 if len(dialog) > 0 {
868 bottom = append(bottom, "")
869 }
870 bottom = append(bottom, dialog...)
871 bottom = append(bottom, suggest...)
872 bottom = append(bottom, queue...)
873 bottom = append(bottom, "")
874 bottom = append(bottom, statusLines...)
875 bottom = append(bottom, "")
876 bottom = append(bottom, edLines...)
877 bottom = append(bottom, "")
878
879 _, rows := i.cfg.Terminal.Size()
880 chatRows := rows - len(bottom)
881 if chatRows < 1 {
882 chatRows = 1
883 }
884
885 // Auto-follow guard: when the user has scrolled up (scrollOffset
886 // > 0) and the agent appends new content below the viewport while
887 // they're reading, compensate so the visible content stays
888 // anchored. scrollOffset is measured from the bottom of `chat`,
889 // so without compensation a growing buffer pushes the window
890 // downward through the content and the lines the user was
891 // reading scroll off the top.
892 //
893 // Skip compensation when the terminal width changed (a resize
894 // reflows the whole buffer and the line-count delta no longer
895 // corresponds to appended content) and when scrollOffset is 0
896 // (the user is following the tail and wants new content to push
897 // the view down as usual).
898 if i.scrollOffset > 0 && i.prevChatCols == cols && i.prevChatLen > 0 {
899 if delta := len(chat) - i.prevChatLen; delta != 0 {
900 i.scrollOffset += delta
901 if i.scrollOffset < 0 {
902 i.scrollOffset = 0
903 }
904 }
905 }
906 i.prevChatLen = len(chat)
907 i.prevChatCols = cols
908
909 // Apply scroll offset to the chat slice.
910 maxOffset := len(chat) - chatRows
911 if maxOffset < 0 {
912 maxOffset = 0
913 }
914 if i.scrollOffset > maxOffset {
915 i.scrollOffset = maxOffset
916 }
917 if i.scrollOffset < 0 {
918 i.scrollOffset = 0
919 }
920
921 var visibleChat []string
922 if len(chat) <= chatRows {
923 visibleChat = chat
924 } else {
925 end := len(chat) - i.scrollOffset
926 rawStart := end - chatRows
927 if rawStart < 0 {
928 rawStart = 0
929 }
930 start := snapViewportStartToImageBlock(chat, rawStart)
931 // If the snap pulled start upward (an image-block was atomic) while
932 // the user is scrolling downward, the viewport would sit on the same
933 // image until the user mashes down past every reserved row. Bump
934 // scrollOffset past the image so one keypress always clears it.
935 if start < rawStart && i.scrollOffset < i.prevScrollOffset {
936 jump := rawStart - start
937 i.scrollOffset -= jump
938 if i.scrollOffset < 0 {
939 i.scrollOffset = 0
940 }
941 end = len(chat) - i.scrollOffset
942 rawStart = end - chatRows
943 if rawStart < 0 {
944 rawStart = 0
945 }
946 start = snapViewportStartToImageBlock(chat, rawStart)
947 }
948 end = start + chatRows
949 if end > len(chat) {
950 end = len(chat)
951 start = end - chatRows
952 if start < 0 {
953 start = 0
954 }
955 }
956 visibleChat = chat[start:end]
957 }
958 i.prevScrollOffset = i.scrollOffset
959 visibleChat = clipBottomClippedImages(visibleChat)
960
961 // A tiny "scrolled up" indicator in the top-right of the chat pane
962 // so you know you're not at the bottom. When the viewport was
963 // parked by /jump we include the turn number so the user remembers
964 // they're reading history rather than the live conversation.
965 if i.scrollOffset > 0 && len(visibleChat) > 0 {
966 var text string
967 if i.parkedTurn > 0 && i.parkedTotal > 0 {
968 text = fmt.Sprintf(" ↑ viewing turn %d of %d - %d lines more below (pgdn / end)",
969 i.parkedTurn, i.parkedTotal, i.scrollOffset)
970 } else {
971 text = fmt.Sprintf(" ↑ %d lines more below (end to jump)", i.scrollOffset)
972 }
973 note := i.cfg.Theme.FG256(i.cfg.Theme.Muted, text)
974 visibleChat = append([]string{note}, visibleChat...)
975 if len(visibleChat) > chatRows {
976 visibleChat = visibleChat[:chatRows]
977 }
978 }
979
980 frame := make([]string, 0, len(visibleChat)+len(bottom))
981 frame = append(frame, visibleChat...)
982 frame = append(frame, bottom...)
983
984 // Default: the real terminal cursor sits on the main editor's
985 // input position. When an overlay dialog has its own input
986 // field (today just /btw), route the cursor there instead so
987 // the blinking cursor shows where the user is actually typing.
988 // Dialogs without a cursor (model picker, /help, /login, etc.)
989 // return -1 and the main editor keeps the cursor.
990 // dialogLead is 1 when the bottom region prepends a blank above
991 // the dialog block (whenever a dialog is showing) so popup-side
992 // cursor positions still land in the right cell.
993 dialogLead := 0
994 if len(dialog) > 0 {
995 dialogLead = 1
996 }
997 // +2 accounts for the blank row above statusLines (so the
998 // status block has air above it) and the blank row between
999 // statusLines and edLines (input breathing room). Without
1000 // these the rendered cursor would land on a blank instead of
1001 // inside the editor row.
1002 cursorRow := len(visibleChat) + dialogLead + len(dialog) + len(suggest) + len(queue) + 1 + len(statusLines) + 1 + curR
1003 cursorCol := curC
1004 if i.btwDialog.Active() {
1005 if r, c := i.btwDialog.CursorPos(cols); r >= 0 {
1006 cursorRow = len(visibleChat) + dialogLead + r
1007 cursorCol = c
1008 }
1009 }
1010 if i.dialog.Active() {
1011 if r, c := i.dialog.CursorPos(cols); r >= 0 {
1012 cursorRow = len(visibleChat) + dialogLead + r
1013 cursorCol = c
1014 }
1015 }
1016 if i.sessionDialog.Active() {
1017 if r, c := i.sessionDialog.CursorPos(); r >= 0 {
1018 cursorRow = len(visibleChat) + dialogLead + r
1019 cursorCol = c
1020 }
1021 }
1022 if i.extPanel.Active() {
1023 cursorRow = -1
1024 cursorCol = 0
1025 }
1026 i.rend.Draw(frame, cursorRow, cursorCol)
1027}
1028
1029func hasImageEscape(line string) bool {
1030 return strings.Contains(line, "\x1b]1337;File=") || strings.Contains(line, "\x1b_G")
1031}
1032
1033// snapViewportStartToImageBlock treats inline images as atomic blocks for
1034// scrolling. Terminal image protocols draw from a single escape row into a
1035// separate graphics layer; the following blank rows are only zot's reserved
1036// footprint. If the viewport starts on one of those blank rows, there is no
1037// correct partial-image state to render. Snap back to the escape row instead
1038// so the image is either shown from its beginning or skipped entirely.
1039func snapViewportStartToImageBlock(chat []string, start int) int {
1040 if start <= 0 || start >= len(chat) {
1041 return start
1042 }
1043 if hasImageEscape(chat[start]) || !isBoxBlankLine(chat[start]) {
1044 return start
1045 }
1046 for k := start - 1; k >= 0; k-- {
1047 line := chat[k]
1048 if hasImageEscape(line) {
1049 return k
1050 }
1051 if !isBoxBlankLine(line) {
1052 break
1053 }
1054 }
1055 return start
1056}
1057
1058const hiddenOpenAIImageMirrorPrefix = "Tool output included the following image content:"
1059
1060func filterHiddenTranscriptMessages(msgs []provider.Message) []provider.Message {
1061 if len(msgs) == 0 {
1062 return nil
1063 }
1064 out := make([]provider.Message, 0, len(msgs))
1065 for _, m := range msgs {
1066 if isHiddenTranscriptMessage(m) {
1067 continue
1068 }
1069 out = append(out, m)
1070 }
1071 return out
1072}
1073
1074func isHiddenTranscriptMessage(m provider.Message) bool {
1075 if m.Role != provider.RoleUser || len(m.Content) == 0 {
1076 return false
1077 }
1078 tb, ok := m.Content[0].(provider.TextBlock)
1079 if !ok {
1080 return false
1081 }
1082 return strings.TrimSpace(tb.Text) == hiddenOpenAIImageMirrorPrefix
1083}
1084
1085func clipBottomClippedImages(lines []string) []string {
1086 if len(lines) == 0 {
1087 return lines
1088 }
1089 out := append([]string(nil), lines...)
1090 for i, line := range out {
1091 if !hasImageEscape(line) {
1092 continue
1093 }
1094 // Image blocks render as: image escape, zero or more blank
1095 // reservation rows, then the muted "image - ..." info line,
1096 // then one trailing blank. If the info line isn't visible in
1097 // the current chat slice, the image would paint down into the
1098 // fixed status bar area. Suppress that image for this frame.
1099 //
1100 // When the image lives inside a tool box, the reservation rows
1101 // are wrapped in vertical box edges ("│ … │"); those rows
1102 // look non-blank under a naive whitespace check but are still
1103 // reservation rows for this scan, so treat them as blank.
1104 foundInfo := false
1105 for j := i + 1; j < len(out); j++ {
1106 if strings.Contains(out[j], "image - ") {
1107 foundInfo = true
1108 break
1109 }
1110 if !isBoxBlankLine(out[j]) {
1111 break
1112 }
1113 }
1114 if !foundInfo {
1115 out[i] = ""
1116 }
1117 }
1118 return out
1119}
1120
1121// isBoxBlankLine reports whether line is visually empty after
1122// stripping ANSI escape sequences, surrounding whitespace, and the
1123// vertical box edges drawn by the tool-box renderer. Used by
1124// clipBottomClippedImages so an image's reservation rows still count
1125// as blank when those rows are wrapped in "│ … │" inside a tool box.
1126func isBoxBlankLine(line string) bool {
1127 stripped := stripANSIBytes(line)
1128 stripped = strings.TrimSpace(stripped)
1129 stripped = strings.Trim(stripped, "│")
1130 stripped = strings.TrimSpace(stripped)
1131 return stripped == ""
1132}
1133
1134// stripANSIBytes removes ANSI CSI escape sequences (ESC '[' … final
1135// byte) from s without pulling in the regexp package. Mirrors the
1136// internal helper in package tui; the duplicated copy avoids exporting
1137// it just for one caller.
1138func stripANSIBytes(s string) string {
1139 if !strings.Contains(s, "\x1b") {
1140 return s
1141 }
1142 var b strings.Builder
1143 b.Grow(len(s))
1144 i := 0
1145 for i < len(s) {
1146 if s[i] == 0x1b && i+1 < len(s) && s[i+1] == '[' {
1147 end := i + 2
1148 for end < len(s) {
1149 c := s[end]
1150 end++
1151 if c >= 0x40 && c <= 0x7e {
1152 break
1153 }
1154 }
1155 i = end
1156 continue
1157 }
1158 b.WriteByte(s[i])
1159 i++
1160 }
1161 return b.String()
1162}
1163
1164// truncateLine shortens s so it fits within n display cells, with an
1165// ellipsis if trimmed. Used by the "sliding in" chips so a pasted
1166// novel doesn't blow past the status line.
1167func panelKeyName(k tui.Key) string {
1168 switch k.Kind {
1169 case tui.KeyUp:
1170 return "up"
1171 case tui.KeyDown:
1172 return "down"
1173 case tui.KeyLeft:
1174 return "left"
1175 case tui.KeyRight:
1176 return "right"
1177 case tui.KeyEnter:
1178 return "enter"
1179 case tui.KeyEsc:
1180 return "esc"
1181 case tui.KeyTab:
1182 return "tab"
1183 case tui.KeyBackspace:
1184 return "backspace"
1185 case tui.KeyDelete:
1186 return "delete"
1187 case tui.KeyHome:
1188 return "home"
1189 case tui.KeyEnd:
1190 return "end"
1191 case tui.KeyPageUp:
1192 return "pageup"
1193 case tui.KeyPageDown:
1194 return "pagedown"
1195 case tui.KeyRune:
1196 return "rune"
1197 default:
1198 return "unknown"
1199 }
1200}
1201
1202func panelKeyText(k tui.Key) string {
1203 if k.Kind == tui.KeyRune {
1204 return string(k.Rune)
1205 }
1206 return ""
1207}
1208
1209func truncateLine(s string, n int) string {
1210 if n <= 0 {
1211 return ""
1212 }
1213 // Collapse newlines — chips are single line.
1214 s = strings.ReplaceAll(s, "\n", " ↩ ")
1215 runes := []rune(s)
1216 if len(runes) <= n {
1217 return s
1218 }
1219 if n <= 1 {
1220 return "…"
1221 }
1222 return string(runes[:n-1]) + "…"
1223}
1224
1225// ctrlCExitWindow is how long after a ctrl+c press a *second* press
1226// will exit instead of just clearing input. Long enough to be
1227// deliberate (rules out accidental key chord), short enough that the
1228// hint stays meaningful.
1229const ctrlCExitWindow = 2 * time.Second
1230
1231// armCtrlCExit records the timestamp of the current ctrl+c so the next
1232// one within ctrlCExitWindow exits.
1233func (i *Interactive) armCtrlCExit() {
1234 i.mu.Lock()
1235 i.lastCtrlC = time.Now()
1236 i.mu.Unlock()
1237}
1238
1239// ctrlCExitArmed reports whether a previous ctrl+c was recent enough
1240// that another press should now exit.
1241func (i *Interactive) ctrlCExitArmed() bool {
1242 i.mu.Lock()
1243 t := i.lastCtrlC
1244 i.mu.Unlock()
1245 return !t.IsZero() && time.Since(t) <= ctrlCExitWindow
1246}
1247
1248func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
1249 // Any key that isn't ctrl+c invalidates an armed ctrl+c-exit, so
1250 // pressing ctrl+c then typing then ctrl+c much later doesn't quit
1251 // unexpectedly. The hint message also goes stale; clear it.
1252 if k.Kind != tui.KeyCtrlC {
1253 i.mu.Lock()
1254 if !i.lastCtrlC.IsZero() {
1255 i.lastCtrlC = time.Time{}
1256 if strings.HasPrefix(i.statusOK, "input cleared") || strings.HasPrefix(i.statusOK, "press ctrl+c") {
1257 i.statusOK = ""
1258 }
1259 }
1260 i.mu.Unlock()
1261 }
1262
1263 // Dialogs consume keys while open (except ctrl+c, which always closes them).
1264
1265 // Confirm dialog has highest priority: the agent goroutine is
1266 // blocked waiting for an answer, so we must not let keys leak
1267 // anywhere else while it's up.
1268 if i.confirmDialog.Active() {
1269 i.confirmDialog.HandleKey(k)
1270 i.invalidate()
1271 return false
1272 }
1273 if i.dialog.Active() {
1274 if k.Kind == tui.KeyCtrlC {
1275 i.dialog.Close()
1276 if i.cfg.AuthManager != nil {
1277 i.cfg.AuthManager.CancelOAuth()
1278 }
1279 return false
1280 }
1281 act := i.dialog.HandleKey(k)
1282 if act.StartAPIKey {
1283 i.startAPIKeyFlow(act.Provider)
1284 }
1285 if act.StartOAuth {
1286 i.startOAuthFlow(act.Provider)
1287 }
1288 if act.StartManual {
1289 i.startManualOAuthFlow(act.Provider)
1290 }
1291 if act.SubmitCode != "" {
1292 i.submitManualOAuthCode(act.SubmitCode)
1293 }
1294 return false
1295 }
1296 if i.modelDialog.Active() {
1297 if k.Kind == tui.KeyCtrlC {
1298 i.modelDialog.Close()
1299 return false
1300 }
1301 act := i.modelDialog.HandleKey(k)
1302 if act.Select {
1303 i.applyModelSelection(act.Provider, act.Model)
1304 }
1305 return false
1306 }
1307 if i.sessionDialog.Active() {
1308 if k.Kind == tui.KeyCtrlC {
1309 i.sessionDialog.Close()
1310 return false
1311 }
1312 act := i.sessionDialog.HandleKey(k)
1313 if act.Select {
1314 i.applySessionSelection(act.Path)
1315 }
1316 return false
1317 }
1318 if i.logoutDialog.Active() {
1319 if k.Kind == tui.KeyCtrlC {
1320 i.logoutDialog.Close()
1321 i.invalidate()
1322 return false
1323 }
1324 act := i.logoutDialog.HandleKey(k)
1325 if act.Select {
1326 i.doLogout(act.Target)
1327 }
1328 i.invalidate()
1329 return false
1330 }
1331 if i.telegramDialog.Active() {
1332 if k.Kind == tui.KeyCtrlC {
1333 i.telegramDialog.Close()
1334 i.invalidate()
1335 return false
1336 }
1337 act := i.telegramDialog.HandleKey(k)
1338 if act.Select {
1339 i.doTelegram(act.Action)
1340 }
1341 i.invalidate()
1342 return false
1343 }
1344 if i.sessionOpsDialog.Active() {
1345 if k.Kind == tui.KeyCtrlC {
1346 i.sessionOpsDialog.Close()
1347 i.invalidate()
1348 return false
1349 }
1350 act := i.sessionOpsDialog.HandleKey(k)
1351 if act.Select {
1352 i.doSessionOp(act.Action, "")
1353 }
1354 i.invalidate()
1355 return false
1356 }
1357 if i.sessionTreeDialog.Active() {
1358 if k.Kind == tui.KeyCtrlC {
1359 i.sessionTreeDialog.Close()
1360 i.invalidate()
1361 return false
1362 }
1363 act := i.sessionTreeDialog.HandleKey(k)
1364 if act.Select {
1365 i.applySessionTreeSelection(act.Path)
1366 }
1367 i.invalidate()
1368 return false
1369 }
1370 if i.extPanel.Active() {
1371 if k.Kind == tui.KeyCtrlC || k.Kind == tui.KeyEsc {
1372 if i.cfg.Extensions != nil {
1373 _ = i.cfg.Extensions.SendPanelClose(i.extPanel.ext, i.extPanel.id)
1374 }
1375 i.extPanel.Close()
1376 i.invalidate()
1377 return false
1378 }
1379 if i.cfg.Extensions != nil {
1380 _ = i.cfg.Extensions.SendPanelKey(i.extPanel.ext, i.extPanel.id, panelKeyName(k), panelKeyText(k))
1381 }
1382 return false
1383 }
1384 if i.jumpDialog.Active() {
1385 if k.Kind == tui.KeyCtrlC {
1386 i.jumpDialog.Close()
1387 i.pendingFork = false
1388 return false
1389 }
1390 act := i.jumpDialog.HandleKey(k)
1391 if act.Select {
1392 if i.pendingFork {
1393 i.applyForkSelection(act.MessageIdx)
1394 } else {
1395 i.applyJumpSelection(act.MessageIdx, act.TurnNo)
1396 }
1397 }
1398 // If the user dismissed the dialog without selecting, also
1399 // clear the pending-fork flag so a later plain /jump isn't
1400 // hijacked.
1401 if act.Close {
1402 i.pendingFork = false
1403 }
1404 return false
1405 }
1406 if i.btwDialog.Active() {
1407 if k.Kind == tui.KeyCtrlC {
1408 i.btwDialog.Close()
1409 i.invalidate()
1410 return false
1411 }
1412 i.btwDialog.HandleKey(k, i.invalidate)
1413 return false
1414 }
1415 if i.skillsDialog.Active() {
1416 if k.Kind == tui.KeyCtrlC {
1417 i.skillsDialog.Close()
1418 i.invalidate()
1419 return false
1420 }
1421 i.skillsDialog.HandleKey(k)
1422 i.invalidate()
1423 return false
1424 }
1425 if i.changelogDialog.Active() {
1426 if closed := i.changelogDialog.HandleKey(k); closed {
1427 // User dismissed; let the parent persist the
1428 // LastChangelogShown marker via the close callback.
1429 if i.cfg.OnChangelogDismiss != nil {
1430 i.cfg.OnChangelogDismiss()
1431 }
1432 }
1433 i.invalidate()
1434 return false
1435 }
1436
1437 // Global keys.
1438 switch k.Kind {
1439 case tui.KeyCtrlC:
1440 // While busy: do NOT cancel the turn. ctrl+c during a
1441 // running turn is almost always reflex muscle memory
1442 // ("be quiet" in a shell) rather than a deliberate
1443 // decision to kill a multi-minute model call that's
1444 // already cost tokens. Use esc to interrupt a turn; use
1445 // a deliberate double-ctrl+c to exit zot entirely. First
1446 // press arms the exit hint, second press within
1447 // ctrlCExitWindow quits.
1448 if i.busy {
1449 if i.ctrlCExitArmed() {
1450 return true
1451 }
1452 i.mu.Lock()
1453 i.statusOK = "press ctrl+c again to exit, esc to cancel the turn"
1454 i.statusErr = ""
1455 i.mu.Unlock()
1456 i.armCtrlCExit()
1457 return false
1458 }
1459 // Idle: first press clears the editor (and any queued
1460 // follow-up messages); a second press within ctrlCExitWindow
1461 // exits. With both an empty editor and no queue the first
1462 // press still just arms — require a deliberate double-tap.
1463 hadInput := !i.ed.IsEmpty() || len(i.queued) > 0
1464 if hadInput {
1465 i.ed.Clear()
1466 i.suggest.Reset()
1467 i.mu.Lock()
1468 i.queued = nil
1469 i.statusOK = "input cleared"
1470 i.statusErr = ""
1471 i.mu.Unlock()
1472 i.armCtrlCExit()
1473 return false
1474 }
1475 if i.ctrlCExitArmed() {
1476 return true
1477 }
1478 i.mu.Lock()
1479 i.statusOK = "press ctrl+c again to exit"
1480 i.statusErr = ""
1481 i.mu.Unlock()
1482 i.armCtrlCExit()
1483 return false
1484 case tui.KeyEsc:
1485 // Esc interrupts a running turn — but only when nothing
1486 // else on screen wants to consume the key first. The slash
1487 // popup has its own Esc behaviour (close + clear editor),
1488 // and transient overlays like the /help block and extension
1489 // notes should dismiss on Esc before we even consider the
1490 // turn. Without these guards, a casual Esc press after
1491 // running /help on a busy turn rips the turn away.
1492 if i.suggest.Active(i.ed.Value()) || i.fileSuggest.Active(i.ed.Value()) {
1493 break
1494 }
1495 i.mu.Lock()
1496 hadHelp := len(i.helpBlock) > 0
1497 hadNotes := len(i.extNotes) > 0
1498 if hadHelp {
1499 i.helpBlock = nil
1500 }
1501 if hadNotes {
1502 i.extNotes = nil
1503 }
1504 i.mu.Unlock()
1505 if hadHelp || hadNotes {
1506 i.invalidate()
1507 return false
1508 }
1509 if i.busy && i.cancelTurn != nil {
1510 i.cancelTurn()
1511 // If a confirm dialog is pending, refuse it so the agent
1512 // goroutine unblocks and the context cancellation can
1513 // actually take effect.
1514 i.confirmDialog.CancelAll("turn cancelled")
1515 return false
1516 }
1517 case tui.KeyCtrlD:
1518 if i.ed.IsEmpty() && !i.busy {
1519 return true
1520 }
1521 case tui.KeyCtrlL:
1522 i.rend.Clear()
1523 i.invalidate()
1524 return false
1525 case tui.KeyCtrlO:
1526 // Toggle expansion of collapsed tool results. Affects every tool
1527 // call in the transcript — press again to re-collapse.
1528 i.mu.Lock()
1529 i.view.ExpandAll = !i.view.ExpandAll
1530 i.mu.Unlock()
1531 i.invalidate()
1532 return false
1533 case tui.KeyPageUp:
1534 i.scrollBy(+i.chatPage())
1535 return false
1536 case tui.KeyPageDown:
1537 i.scrollBy(-i.chatPage())
1538 return false
1539 case tui.KeyUp:
1540 // Always use up/down for chat scrolling, even when the editor
1541 // contains text. This makes keyboard scrolling consistent with
1542 // a draft present at the cost of disabling vertical cursor
1543 // motion inside the multi-line editor. Keep slash-popup
1544 // navigation working by letting it intercept later when active.
1545 if !i.suggest.Active(i.ed.Value()) && !i.fileSuggest.Active(i.ed.Value()) {
1546 i.scrollBy(+3)
1547 return false
1548 }
1549 case tui.KeyDown:
1550 if !i.suggest.Active(i.ed.Value()) && !i.fileSuggest.Active(i.ed.Value()) {
1551 if i.scrollOffset > 0 {
1552 i.scrollBy(-3)
1553 }
1554 return false
1555 }
1556 }
1557
1558 // Note: we intentionally do NOT gate the editor on i.busy here.
1559 // Typing while the agent is working is supported — submitted
1560 // messages are queued and delivered as follow-up turns when the
1561 // current turn ends. See the submit handler below.
1562
1563 if k.Kind == tui.KeyEnter && k.Alt {
1564 i.ed.HandleKey(tui.Key{Kind: tui.KeyRune, Rune: '\n', Alt: true})
1565 return false
1566 }
1567
1568 // Slash suggestions: intercept up/down/tab/enter when the popup is visible.
1569 if i.suggest.Active(i.ed.Value()) {
1570 switch k.Kind {
1571 case tui.KeyUp:
1572 i.suggest.Up()
1573 return false
1574 case tui.KeyDown:
1575 i.suggest.Down()
1576 return false
1577 case tui.KeyTab:
1578 if name := i.suggest.Selection(i.ed.Value()); name != "" {
1579 i.ed.SetValue(name)
1580 i.suggest.Reset()
1581 }
1582 return false
1583 case tui.KeyEnter:
1584 // Enter on an ambiguous or partial slash prefix: complete to the
1585 // currently highlighted command and run it. That way typing
1586 // "/lo" + enter picks whichever of /login or /logout is selected
1587 // in the popup instead of submitting "/lo" as unknown. Also
1588 // clear the editor so the command doesn't linger after the
1589 // dialog opens/closes.
1590 if name := i.suggest.Selection(i.ed.Value()); name != "" {
1591 i.ed.Clear()
1592 i.suggest.Reset()
1593 return i.runSlash(ctx, name)
1594 }
1595 case tui.KeyEsc:
1596 i.ed.Clear()
1597 i.suggest.Reset()
1598 return false
1599 }
1600 }
1601
1602 // File suggestions: intercept up/down/tab/enter when the @-popup is visible.
1603 if i.fileSuggest.Active(i.ed.Value()) {
1604 switch k.Kind {
1605 case tui.KeyUp:
1606 i.fileSuggest.Up()
1607 return false
1608 case tui.KeyDown:
1609 i.fileSuggest.Down()
1610 return false
1611 case tui.KeyRight:
1612 // Open selected directory.
1613 i.fileSuggest.Right()
1614 return false
1615 case tui.KeyLeft:
1616 // Go back to parent directory.
1617 i.fileSuggest.Left()
1618 return false
1619 case tui.KeyEnter:
1620 if entry, ok := i.fileSuggest.SelectedEntry(i.ed.Value()); ok {
1621 var chip string
1622 if entry.isDir {
1623 chip = "[dir:" + entry.rel + "/]"
1624 } else {
1625 chip = "[file:" + entry.rel + "]"
1626 }
1627 val := i.ed.Value()
1628 if idx := strings.LastIndex(val, "@"); idx >= 0 {
1629 val = val[:idx]
1630 }
1631 i.ed.SetValue(val + chip + " ")
1632 i.fileSuggest.Reset()
1633 }
1634 return false
1635 case tui.KeyEsc:
1636 val := i.ed.Value()
1637 if idx := strings.LastIndex(val, "@"); idx >= 0 {
1638 i.ed.SetValue(val[:idx])
1639 }
1640 i.fileSuggest.Reset()
1641 return false
1642 }
1643 }
1644
1645 if i.handleInputHistoryKey(k) {
1646 return false
1647 }
1648 if i.inputHistoryIndex >= 0 && k.Kind != tui.KeyLeft && k.Kind != tui.KeyRight {
1649 i.inputHistoryIndex = -1
1650 }
1651
1652 if submit := i.ed.HandleKey(k); submit {
1653 // SubmitValue() expands any [pasted text #N +L lines]
1654 // placeholders back into their bodies; the raw Value()
1655 // is only what the user sees on screen.
1656 text := strings.TrimRight(i.ed.SubmitValue(), "\n")
1657 // Expand [file:name] and [dir:name/] chips to full paths.
1658 text = expandFileChips(text, i.cfg.CWD)
1659 if text == "" {
1660 return false
1661 }
1662 i.ed.Clear()
1663 i.inputHistoryIndex = -1
1664 i.suggest.Reset()
1665 i.fileSuggest.Reset()
1666
1667 if looksLikeSlashCommand(text) {
1668 head := text
1669 rest := ""
1670 if idx := strings.IndexAny(text, " \t"); idx >= 0 {
1671 head = text[:idx]
1672 rest = strings.TrimSpace(text[idx:])
1673 }
1674 if !isKnownSlashCommand(text) {
1675 // Try extensions before giving up. Extensions register
1676 // commands by bare name (no leading slash); strip it here.
1677 extName := strings.TrimPrefix(head, "/")
1678 if i.cfg.Extensions != nil && i.cfg.Extensions.HasCommand(extName) {
1679 go i.invokeExtensionCommand(ctx, extName, rest)
1680 return false
1681 }
1682 i.mu.Lock()
1683 i.statusErr = "unknown command " + head + " — type /help to see the list"
1684 i.statusOK = ""
1685 i.mu.Unlock()
1686 return false
1687 }
1688 // Slash commands run regardless of busy state. Commands that
1689 // would mutate the transcript or replace the agent (/clear,
1690 // /compact, /logout, /login, /model) cancel the active turn
1691 // first and wait for the goroutine to wind down so they don't
1692 // race with a streaming response. Safe commands (/help,
1693 // /jump, /sessions, /jail, /unjail, /exit) run immediately
1694 // without disturbing the active turn.
1695 if slashCancelsTurn(head) {
1696 i.cancelAndWaitForIdle()
1697 }
1698 return i.runSlash(ctx, text)
1699 }
1700
1701 if i.agent == nil {
1702 i.mu.Lock()
1703 i.statusErr = "not logged in. type /login first."
1704 i.mu.Unlock()
1705 return false
1706 }
1707 // Mirror the user's typed prompt into the paired Telegram
1708 // chat (when the bridge is active) so the Telegram thread
1709 // stays a complete record of the session, not just the half
1710 // that originated on the phone. On a goroutine so the
1711 // network write doesn't delay the local turn.
1712 if i.telegramBridge != nil && i.telegramBridge.Active() {
1713 go i.telegramBridge.OnUserTyped(text)
1714 }
1715 // If a turn is already in flight, queue this prompt instead of
1716 // starting a second one. The drain loop at the end of startTurn
1717 // will pick it up when the current turn finishes.
1718 i.mu.Lock()
1719 if i.busy {
1720 i.queued = append(i.queued, text)
1721 i.mu.Unlock()
1722 i.invalidate()
1723 return false
1724 }
1725 i.mu.Unlock()
1726 i.startTurn(ctx, text)
1727 }
1728 return false
1729}
1730
1731func (i *Interactive) handleInputHistoryKey(k tui.Key) bool {
1732 if k.Kind != tui.KeyLeft && k.Kind != tui.KeyRight {
1733 return false
1734 }
1735 // Do not steal normal cursor movement. History browsing can only
1736 // start from an empty editor; once active, Left/Right keep walking
1737 // the ring so repeated presses work even though the editor now
1738 // contains the selected historical prompt.
1739 if i.inputHistoryIndex < 0 && !i.ed.IsEmpty() {
1740 return false
1741 }
1742 hist := i.inputHistory()
1743 if len(hist) == 0 {
1744 return false
1745 }
1746
1747 if i.inputHistoryIndex < 0 {
1748 // Start just after the newest item so Left lands on the most
1749 // recent user prompt and Right keeps the editor empty.
1750 i.inputHistoryIndex = len(hist)
1751 }
1752
1753 switch k.Kind {
1754 case tui.KeyLeft:
1755 if i.inputHistoryIndex > 0 {
1756 i.inputHistoryIndex--
1757 }
1758 case tui.KeyRight:
1759 if i.inputHistoryIndex < len(hist) {
1760 i.inputHistoryIndex++
1761 }
1762 }
1763
1764 if i.inputHistoryIndex >= len(hist) {
1765 i.ed.Clear()
1766 } else {
1767 i.ed.SetValue(hist[i.inputHistoryIndex])
1768 }
1769 return true
1770}
1771
1772func (i *Interactive) inputHistory() []string {
1773 if i.agent == nil {
1774 return nil
1775 }
1776 msgs := i.agent.Messages()
1777 hist := make([]string, 0, len(msgs))
1778 for _, m := range msgs {
1779 if m.Role != provider.RoleUser || isHiddenTranscriptMessage(m) {
1780 continue
1781 }
1782 text := userMessageText(m)
1783 if strings.TrimSpace(text) == "" {
1784 continue
1785 }
1786 hist = append(hist, text)
1787 }
1788 return hist
1789}
1790
1791func userMessageText(m provider.Message) string {
1792 var sb strings.Builder
1793 for _, c := range m.Content {
1794 if tb, ok := c.(provider.TextBlock); ok {
1795 if sb.Len() > 0 {
1796 sb.WriteByte('\n')
1797 }
1798 sb.WriteString(tb.Text)
1799 }
1800 }
1801 return sb.String()
1802}
1803
1804// invokeExtensionCommand fires an extension-registered slash command
1805// in a background goroutine, awaits the response, and applies the
1806// requested action (prompt / insert / display / noop). Errors and
1807// timeouts surface as a status_err line.
1808
1809func (i *Interactive) invokeExtensionCommand(ctx context.Context, name, args string) {
1810 resp, err := i.cfg.Extensions.Invoke(ctx, name, args, 30*time.Second)
1811 if err != nil {
1812 i.mu.Lock()
1813 i.statusErr = "extension /" + name + ": " + err.Error()
1814 i.statusOK = ""
1815 i.mu.Unlock()
1816 i.invalidate()
1817 return
1818 }
1819 if resp.Error != "" {
1820 i.mu.Lock()
1821 i.statusErr = "extension /" + name + ": " + resp.Error
1822 i.statusOK = ""
1823 i.mu.Unlock()
1824 i.invalidate()
1825 return
1826 }
1827 switch resp.Action {
1828 case "open_panel":
1829 if resp.OpenPanel != nil {
1830 extName := name
1831 if i.cfg.Extensions != nil {
1832 if owner := i.cfg.Extensions.CommandOwner(name); owner != "" {
1833 extName = owner
1834 }
1835 }
1836 i.OpenPanel(extName, *resp.OpenPanel)
1837 }
1838 case "prompt":
1839 if strings.TrimSpace(resp.Prompt) == "" {
1840 return
1841 }
1842 i.startTurn(i.runCtx, resp.Prompt)
1843 case "insert":
1844 i.ed.Insert(resp.Insert)
1845 i.invalidate()
1846 case "display":
1847 i.appendExtensionNote(name, resp.Display, "info")
1848 case "noop", "":
1849 // nothing
1850 default:
1851 i.mu.Lock()
1852 i.statusErr = "extension /" + name + ": unknown action " + resp.Action
1853 i.mu.Unlock()
1854 i.invalidate()
1855 }
1856}
1857
1858// appendExtensionNote renders an extension-originated note in the
1859// chat. Levels: "info" (muted), "warn" (warning), "error" (error),
1860// "success" (tool/ok green).
1861func (i *Interactive) appendExtensionNote(extName, msg, level string) {
1862 if msg == "" {
1863 return
1864 }
1865 i.mu.Lock()
1866 defer i.mu.Unlock()
1867 color := i.cfg.Theme.Muted
1868 switch level {
1869 case "warn":
1870 color = i.cfg.Theme.Warning
1871 case "error":
1872 color = i.cfg.Theme.Error
1873 case "success":
1874 color = i.cfg.Theme.Tool
1875 }
1876 prefix := i.cfg.Theme.FG256(i.cfg.Theme.Accent, "["+extName+"] ")
1877 for _, line := range strings.Split(msg, "\n") {
1878 i.statusOK = "" // clear any stale ok
1879 i.statusErr = ""
1880 i.extNotes = append(i.extNotes, prefix+i.cfg.Theme.FG256(color, line))
1881 }
1882}
1883
1884// HostHooks implementation for the extension manager. The manager
1885// holds an interface, not a concrete *Interactive, so these methods
1886// are the only thing the manager sees.
1887
1888// Notify is the manager's NotifyFromExt entry point.
1889func (i *Interactive) Notify(extName, level, message string) {
1890 i.appendExtensionNote(extName, message, level)
1891 i.invalidate()
1892}
1893
1894// Submit feeds text through the agent loop as if the user had typed it.
1895func (i *Interactive) Submit(text string) {
1896 i.startTurn(i.runCtx, text)
1897}
1898
1899// SubmitOrQueue runs text immediately if the agent is idle, or
1900// appends it to the pending queue if a turn is already in flight.
1901// Used by the telegram bridge (and by the editor submit path) so
1902// both input sources share the same "queue behind an active turn"
1903// semantics. Images are ignored for now — only the text prompt is
1904// forwarded — because the queued-prompt path is text-only; a
1905// follow-up can expand the queue entry to carry images.
1906func (i *Interactive) SubmitOrQueue(text string, images []provider.ImageBlock) {
1907 i.mu.Lock()
1908 if i.agent == nil {
1909 i.statusErr = "not logged in. type /login first."
1910 i.mu.Unlock()
1911 i.invalidate()
1912 return
1913 }
1914 if i.busy {
1915 // Queue text only; images are dropped for queued prompts.
1916 i.queued = append(i.queued, text)
1917 i.mu.Unlock()
1918 i.invalidate()
1919 return
1920 }
1921 i.mu.Unlock()
1922 i.startTurnWithImages(i.runCtx, text, images)
1923}
1924
1925// CancelTurn aborts the active turn if one is running. Used by the
1926// telegram bridge when the paired user sends /stop.
1927// ChangelogVersion returns the version string of the changelog
1928// currently shown (or last shown). Used by the dismiss callback
1929// to store the correct version for dev builds.
1930func (i *Interactive) ChangelogVersion() string {
1931 if i.changelogDialog != nil {
1932 return i.changelogDialog.version
1933 }
1934 return ""
1935}
1936
1937func (i *Interactive) CancelTurn() {
1938 i.mu.Lock()
1939 cancel := i.cancelTurn
1940 i.mu.Unlock()
1941 if cancel != nil {
1942 cancel()
1943 }
1944}
1945
1946// Insert places text at the cursor in the editor.
1947func (i *Interactive) Insert(text string) {
1948 i.ed.Insert(text)
1949 i.invalidate()
1950}
1951
1952// Display appends a styled note from extName to the chat without a
1953// model call.
1954func (i *Interactive) Display(extName, text string) {
1955 i.appendExtensionNote(extName, text, "info")
1956 i.invalidate()
1957}
1958
1959func (i *Interactive) OpenPanel(extName string, spec extproto.PanelSpec) {
1960 i.mu.Lock()
1961 defer i.mu.Unlock()
1962 i.extPanel.Open(extName, spec.ID, spec.Title, spec.Lines, spec.Footer)
1963 if i.cfg.Extensions != nil {
1964 cols, rows := i.cfg.Terminal.Size()
1965 _ = cols
1966 _ = rows
1967 }
1968 i.invalidate()
1969}
1970
1971func (i *Interactive) UpdatePanel(extName, panelID, title string, lines []string, footer string) {
1972 i.mu.Lock()
1973 defer i.mu.Unlock()
1974 if i.extPanel.Active() && i.extPanel.ext == extName && i.extPanel.id == panelID {
1975 i.extPanel.Update(title, lines, footer)
1976 i.invalidate()
1977 }
1978}
1979
1980func (i *Interactive) ClosePanel(extName, panelID string) {
1981 i.mu.Lock()
1982 defer i.mu.Unlock()
1983 if i.extPanel.Active() && i.extPanel.ext == extName && i.extPanel.id == panelID {
1984 i.extPanel.Close()
1985 i.invalidate()
1986 }
1987}
1988
1989func (i *Interactive) runSlash(ctx context.Context, cmd string) (done bool) {
1990 parts := strings.Fields(cmd)
1991 switch parts[0] {
1992 case "/exit":
1993 return true
1994 case "/clear":
1995 if i.agent != nil {
1996 i.agent.SetMessages(nil)
1997 }
1998 i.mu.Lock()
1999 i.toolCalls = map[string]*tui.ToolCallView{}
2000 i.toolOrder = nil
2001 i.statusErr = ""
2002 i.statusOK = ""
2003 i.helpBlock = nil
2004 i.parkedTurn = 0
2005 i.parkedTotal = 0
2006 i.scrollOffset = 0
2007 i.extNotes = nil
2008 i.view.InvalidateRenderCache()
2009 i.mu.Unlock()
2010 case "/help":
2011 i.mu.Lock()
2012 i.helpBlock = renderHelpBlock(i.cfg.Theme, i.lastCols())
2013 i.statusErr = ""
2014 i.statusOK = ""
2015 // Pin the viewport to the newest content so the help block,
2016 // which we just appended to the end of the transcript, is
2017 // what the user actually sees.
2018 i.scrollOffset = 0
2019 i.mu.Unlock()
2020 case "/login":
2021 i.dialog.Open(i.cfg.ZotHome)
2022 case "/logout":
2023 if len(parts) >= 2 {
2024 // Explicit target: /logout anthropic | openai | all
2025 i.doLogout(parts[1])
2026 break
2027 }
2028 // No arg: open the picker over whichever providers are
2029 // currently logged in. If nothing's logged in, bail with a
2030 // status line.
2031 i.openLogoutDialog()
2032 case "/model":
2033 if len(parts) >= 2 {
2034 i.applyModelSelection("", parts[1])
2035 } else {
2036 var loggedIn []string
2037 if i.cfg.LoggedInProviders != nil {
2038 loggedIn = i.cfg.LoggedInProviders()
2039 }
2040 i.modelDialog.Open(i.cfg.Model, loggedIn)
2041 }
2042 case "/sessions":
2043 i.sessionDialog.Open(i.cfg.ZotHome, i.cfg.CWD)
2044 case "/jump":
2045 i.openJumpDialog(parts[1:])
2046 case "/btw":
2047 i.openBtwDialog(parts[1:])
2048 case "/skills":
2049 i.openSkillsDialog()
2050 case "/compact":
2051 i.runCompact(ctx, false)
2052 case "/study":
2053 // Canned prompt that tells the agent to read every file
2054 // in the current directory so its later turns have the
2055 // whole project in context. Dispatched through the normal
2056 // queue-or-start path so it behaves identically to
2057 // typing the prompt by hand.
2058 const studyPrompt = "Read and understand everything in the current directory."
2059 i.mu.Lock()
2060 if i.busy {
2061 i.queued = append(i.queued, studyPrompt)
2062 i.mu.Unlock()
2063 i.invalidate()
2064 break
2065 }
2066 i.mu.Unlock()
2067 i.startTurn(ctx, studyPrompt)
2068 case "/jail":
2069 if i.cfg.Sandbox == nil {
2070 i.mu.Lock()
2071 i.statusErr = "sandbox not available in this build"
2072 i.mu.Unlock()
2073 break
2074 }
2075 i.cfg.Sandbox.Lock()
2076 i.mu.Lock()
2077 i.statusOK = "jailed to " + i.cfg.CWD + " (tools cannot touch paths outside this directory)"
2078 i.statusErr = ""
2079 i.mu.Unlock()
2080 case "/unjail":
2081 if i.cfg.Sandbox == nil {
2082 i.mu.Lock()
2083 i.statusErr = "sandbox not available in this build"
2084 i.mu.Unlock()
2085 break
2086 }
2087 i.cfg.Sandbox.Unlock()
2088 i.mu.Lock()
2089 i.statusOK = "unjailed"
2090 i.statusErr = ""
2091 i.mu.Unlock()
2092 case "/reload-ext":
2093 i.runReloadExt(ctx)
2094 case "/yolo":
2095 i.runYoloOn()
2096 case "/telegram", "/tg":
2097 if len(parts) >= 2 {
2098 i.doTelegram(parts[1])
2099 break
2100 }
2101 i.openTelegramDialog()
2102 case "/session":
2103 if len(parts) >= 2 {
2104 action := parts[1]
2105 arg := ""
2106 if len(parts) >= 3 {
2107 arg = strings.Join(parts[2:], " ")
2108 }
2109 i.doSessionOp(action, arg)
2110 break
2111 }
2112 i.openSessionOpsDialog()
2113 default:
2114 // Last-resort fallback: try the extension manager. Built-in
2115 // cases above always win; this branch only fires for slash
2116 // commands the extension manager registered. Same routing as
2117 // the editor's submit-handler dispatch path so the autocomplete
2118 // "enter on highlighted suggestion" flow also works.
2119 extName := strings.TrimPrefix(parts[0], "/")
2120 if i.cfg.Extensions != nil && i.cfg.Extensions.HasCommand(extName) {
2121 rest := ""
2122 if len(parts) > 1 {
2123 rest = strings.Join(parts[1:], " ")
2124 }
2125 go i.invokeExtensionCommand(ctx, extName, rest)
2126 return false
2127 }
2128 i.mu.Lock()
2129 i.statusErr = "unknown command: " + parts[0]
2130 i.mu.Unlock()
2131 }
2132 return false
2133}
2134
2135// openLogoutDialog shows the provider picker for `/logout` with no
2136// argument. Only providers the user is currently logged into are
2137// listed, plus an "all" entry when more than one is present. If
2138// nothing's logged in, writes a status line instead of opening an
2139// empty dialog.
2140func (i *Interactive) openLogoutDialog() {
2141 if i.cfg.AuthManager == nil {
2142 i.mu.Lock()
2143 i.statusErr = "no auth manager configured"
2144 i.mu.Unlock()
2145 i.invalidate()
2146 return
2147 }
2148 store := i.cfg.AuthManager.Store()
2149 if store == nil {
2150 i.mu.Lock()
2151 i.statusErr = "auth store is not available"
2152 i.mu.Unlock()
2153 i.invalidate()
2154 return
2155 }
2156 creds, err := store.Load()
2157 if err != nil {
2158 i.mu.Lock()
2159 i.statusErr = "read auth store: " + err.Error()
2160 i.mu.Unlock()
2161 i.invalidate()
2162 return
2163 }
2164
2165 var items []logoutItem
2166 for _, p := range []string{"anthropic", "openai"} {
2167 if creds.Has(p) {
2168 method := creds.Method(p)
2169 if method == "oauth" {
2170 method = "subscription"
2171 }
2172 items = append(items, logoutItem{
2173 label: providerLabel(p),
2174 target: p,
2175 method: method,
2176 })
2177 }
2178 }
2179 if len(items) == 0 {
2180 i.mu.Lock()
2181 i.statusOK = "no credentials stored; already logged out"
2182 i.statusErr = ""
2183 i.mu.Unlock()
2184 i.invalidate()
2185 return
2186 }
2187 if len(items) > 1 {
2188 items = append(items, logoutItem{label: "all", target: "all"})
2189 }
2190
2191 i.logoutDialog.Open(items)
2192 i.invalidate()
2193}
2194
2195// doLogout clears credentials for the given provider (or all providers)
2196// from auth.json. If the active agent was using those credentials, it
2197// is torn down so the user is forced through /login before their next
2198// prompt.
2199//
2200// target: "anthropic" | "openai" | "all"
2201func (i *Interactive) doLogout(target string) {
2202 if i.cfg.AuthManager == nil {
2203 i.mu.Lock()
2204 i.statusErr = "no auth manager configured"
2205 i.mu.Unlock()
2206 return
2207 }
2208 store := i.cfg.AuthManager.Store()
2209 if store == nil {
2210 i.mu.Lock()
2211 i.statusErr = "auth store is not available"
2212 i.mu.Unlock()
2213 return
2214 }
2215
2216 var providers []string
2217 switch target {
2218 case "", "all":
2219 providers = []string{"anthropic", "openai"}
2220 case "anthropic", "openai":
2221 providers = []string{target}
2222 default:
2223 i.mu.Lock()
2224 i.statusErr = "unknown provider: " + target + " (use anthropic, openai, or all)"
2225 i.mu.Unlock()
2226 return
2227 }
2228
2229 var errs []string
2230 clearedCurrent := false
2231 for _, p := range providers {
2232 if err := store.Clear(p); err != nil {
2233 errs = append(errs, p+": "+err.Error())
2234 continue
2235 }
2236 if p == i.cfg.Provider {
2237 clearedCurrent = true
2238 }
2239 }
2240
2241 i.mu.Lock()
2242 defer i.mu.Unlock()
2243 if len(errs) > 0 {
2244 i.statusErr = "logout errors: " + strings.Join(errs, "; ")
2245 return
2246 }
2247 i.statusErr = ""
2248 if clearedCurrent {
2249 // The running agent was using a credential we just wiped. Drop
2250 // it so prompts can't go out with the stale client, and hint at
2251 // /login.
2252 i.agent = nil
2253 i.statusOK = "logged out of " + strings.Join(providers, ", ") + ". type /login to sign back in."
2254 } else {
2255 i.statusOK = "logged out of " + strings.Join(providers, ", ")
2256 }
2257}
2258
2259func (i *Interactive) startAPIKeyFlow(provider string) {
2260 url, err := i.cfg.AuthManager.StartAPIKey(provider)
2261 if err != nil {
2262 i.dialog.ShowResult(false, err.Error())
2263 return
2264 }
2265 i.dialog.ShowWaiting(url)
2266}
2267
2268func (i *Interactive) startOAuthFlow(provider string) {
2269 // Always run the manual/copy-code flow in parallel with the local
2270 // callback server so headless environments (docker, SSH) can paste
2271 // the authorization code directly without first pressing 'p'.
2272 _, err := i.cfg.AuthManager.StartOAuth(provider)
2273 if err != nil {
2274 i.dialog.ShowResult(false, err.Error())
2275 return
2276 }
2277 manualURL, mErr := i.cfg.AuthManager.StartManualOAuth(provider)
2278 if mErr == nil {
2279 i.dialog.ShowWaiting(manualURL)
2280 } else {
2281 i.dialog.ShowResult(false, mErr.Error())
2282 }
2283}
2284
2285func (i *Interactive) startManualOAuthFlow(provider string) {
2286 if i.cfg.AuthManager == nil {
2287 return
2288 }
2289 i.cfg.AuthManager.CancelOAuth()
2290 url, err := i.cfg.AuthManager.StartManualOAuth(provider)
2291 if err != nil {
2292 i.dialog.ShowResult(false, err.Error())
2293 return
2294 }
2295 i.dialog.url = url
2296 i.invalidate()
2297}
2298
2299func (i *Interactive) submitManualOAuthCode(code string) {
2300 if i.cfg.AuthManager == nil {
2301 return
2302 }
2303 go func() {
2304 if err := i.cfg.AuthManager.CompleteManualOAuth(i.runCtx, code); err != nil {
2305 i.dialog.ShowResult(false, err.Error())
2306 i.invalidate()
2307 }
2308 }()
2309}
2310
2311// applyModelSelection switches the active model (and provider, if the
2312// new model belongs to a different one). It rebuilds the underlying
2313// client when needed so the provider wire-protocol matches.
2314// cancelAndWaitForIdle cancels the active turn (if any) and blocks
2315// briefly until the turn goroutine has updated i.busy = false. Used
2316// before destructive slash commands so transcript-mutating work
2317// (/clear, /compact, /logout, /login completion, cross-provider
2318// /model swap) doesn't race with the still-running stream.
2319//
2320// The wait is bounded; if the turn doesn't release within the timeout
2321// we proceed anyway. Worst case is a brief overlap that the agent's
2322// own mutex protects against.
2323func (i *Interactive) cancelAndWaitForIdle() {
2324 i.mu.Lock()
2325 busy := i.busy
2326 cancel := i.cancelTurn
2327 i.mu.Unlock()
2328 if !busy {
2329 return
2330 }
2331 if cancel != nil {
2332 cancel()
2333 }
2334 deadline := time.Now().Add(2 * time.Second)
2335 for time.Now().Before(deadline) {
2336 i.mu.Lock()
2337 done := !i.busy
2338 i.mu.Unlock()
2339 if done {
2340 return
2341 }
2342 time.Sleep(10 * time.Millisecond)
2343 }
2344}
2345
2346// openBtwDialog opens the side-chat overlay with a frozen snapshot
2347// of the current main session. The optional argument is auto-
2348// submitted as the first question, so '/btw does X work?' fires the
2349// model call immediately instead of just opening an empty dialog.
2350func (i *Interactive) openBtwDialog(args []string) {
2351 if i.agent == nil {
2352 i.mu.Lock()
2353 i.statusErr = "not logged in. type /login first."
2354 i.mu.Unlock()
2355 return
2356 }
2357 seed := strings.TrimSpace(strings.Join(args, " "))
2358 i.btwDialog.Open(i.cfg.Theme, i.agent, i.agent.System, i.cfg.Model, seed, i.invalidate)
2359 i.invalidate()
2360}
2361
2362// openSkillsDialog opens the skill inspector. The picker reflects
2363// whatever SkillSnapshot returns at call time, so edits to a
2364// SKILL.md made during a session show up on the next /skills.
2365func (i *Interactive) openSkillsDialog() {
2366 var list []*skills.Skill
2367 if i.cfg.SkillSnapshot != nil {
2368 list = i.cfg.SkillSnapshot()
2369 }
2370 i.skillsDialog.Open(list)
2371 i.invalidate()
2372}
2373
2374// openJumpDialog builds a /jump picker from the current transcript.
2375// If the user typed "/jump foo" with a filter and it matches exactly
2376// one turn, jump there directly without showing the dialog.
2377func (i *Interactive) openJumpDialog(args []string) {
2378 if i.view == nil || len(i.view.Messages) == 0 {
2379 i.mu.Lock()
2380 i.statusErr = "nothing to jump to \u2014 the session is empty"
2381 i.mu.Unlock()
2382 return
2383 }
2384 filter := strings.TrimSpace(strings.Join(args, " "))
2385 i.jumpDialog.Open(i.view.Messages, filter)
2386 // Shortcut: with a filter argument that matches exactly one turn,
2387 // jump immediately and skip the picker.
2388 if filter != "" {
2389 if tgts := i.jumpDialog.Targets(); len(tgts) == 1 {
2390 t := tgts[0]
2391 i.jumpDialog.Close()
2392 i.applyJumpSelection(t.MessageIdx, t.TurnNo)
2393 }
2394 }
2395}
2396
2397// applyJumpSelection scrolls the chat viewport so the user message at
2398// msgIdx is visible at (or near) the top of the chat area. Uses the
2399// anchor slice returned by view.BuildWithAnchors so the mapping from
2400// message index to row is exact, regardless of variable-height tool
2401// blocks above the target.
2402func (i *Interactive) applyJumpSelection(msgIdx, turnNo int) {
2403 cols := i.lastCols()
2404 chat, anchors := i.view.BuildWithAnchors(cols)
2405 var row int
2406 found := false
2407 for _, a := range anchors {
2408 if a.MessageIdx == msgIdx {
2409 row = a.Row
2410 found = true
2411 break
2412 }
2413 }
2414 if !found {
2415 i.mu.Lock()
2416 i.statusErr = "could not resolve jump target"
2417 i.mu.Unlock()
2418 return
2419 }
2420
2421 chatLen := len(chat)
2422 page := i.chatPage()
2423 if page < 1 {
2424 page = 1
2425 }
2426 // scrollOffset is measured from the bottom of the chat slice, so
2427 // to place `row` at the top of the viewport we want:
2428 // chatLen - scrollOffset - page == row
2429 // Solve for scrollOffset and clamp to [0, chatLen-page].
2430 offset := chatLen - (row + page)
2431 if offset < 0 {
2432 offset = 0
2433 }
2434 maxOffset := chatLen - page
2435 if maxOffset < 0 {
2436 maxOffset = 0
2437 }
2438 if offset > maxOffset {
2439 offset = maxOffset
2440 }
2441
2442 i.mu.Lock()
2443 i.scrollOffset = offset
2444 i.parkedTurn = turnNo
2445 i.parkedTotal = totalTurnsLocked(i.view.Messages)
2446 i.statusOK = fmt.Sprintf("jumped to turn %d", turnNo)
2447 i.statusErr = ""
2448 i.mu.Unlock()
2449}
2450
2451// totalTurnsLocked counts user messages in the transcript. Caller is
2452// assumed to hold i.mu (the name is a mild reminder; this function
2453// itself doesn't touch shared state beyond the slice it's handed).
2454func totalTurnsLocked(msgs []provider.Message) int {
2455 n := 0
2456 for _, m := range msgs {
2457 if m.Role == provider.RoleUser {
2458 n++
2459 }
2460 }
2461 return n
2462}
2463
2464// applySessionSelection loads the given session via the cli-provided
2465// callback and snaps the viewport to the bottom (the latest message)
2466// so the user lands at the live tail of the resumed conversation.
2467func (i *Interactive) applySessionSelection(path string) {
2468 if i.cfg.LoadSession == nil {
2469 i.mu.Lock()
2470 i.statusErr = "session loading is not wired in this build"
2471 i.mu.Unlock()
2472 return
2473 }
2474 if err := i.cfg.LoadSession(path); err != nil {
2475 i.mu.Lock()
2476 i.statusErr = err.Error()
2477 i.mu.Unlock()
2478 return
2479 }
2480
2481 i.mu.Lock()
2482 i.statusOK = "resumed session: " + path
2483 i.statusErr = ""
2484 i.parkedTurn = 0
2485 i.parkedTotal = 0
2486 i.view.InvalidateRenderCache()
2487 if i.agent != nil {
2488 i.view.Messages = i.agent.Messages()
2489 i.cumUsage = i.agent.Cost()
2490 }
2491 i.mu.Unlock()
2492
2493 i.scrollToBottom()
2494}
2495
2496// scrollToLastTurn parks the viewport at the most recent user turn,
2497// or at the top if the transcript has no user messages. Used after
2498// resume so the user lands looking at where they left off.
2499func (i *Interactive) scrollToLastTurn(msgs []provider.Message) {
2500 if len(msgs) == 0 {
2501 i.mu.Lock()
2502 i.scrollOffset = 0
2503 i.mu.Unlock()
2504 return
2505 }
2506 // Find the last user message index.
2507 lastUser := -1
2508 turnNo, totalTurns := 0, 0
2509 for idx, m := range msgs {
2510 if m.Role == provider.RoleUser {
2511 totalTurns++
2512 lastUser = idx
2513 }
2514 }
2515 if lastUser < 0 {
2516 i.mu.Lock()
2517 i.scrollOffset = 0
2518 i.mu.Unlock()
2519 return
2520 }
2521 turnNo = totalTurns
2522
2523 cols := i.lastCols()
2524 chat, anchors := i.view.BuildWithAnchors(cols)
2525 var row int
2526 found := false
2527 for _, a := range anchors {
2528 if a.MessageIdx == lastUser {
2529 row = a.Row
2530 found = true
2531 break
2532 }
2533 }
2534 if !found {
2535 i.mu.Lock()
2536 i.scrollOffset = 0
2537 i.mu.Unlock()
2538 return
2539 }
2540
2541 chatLen := len(chat)
2542 page := i.chatPage()
2543 if page < 1 {
2544 page = 1
2545 }
2546 offset := chatLen - (row + page)
2547 if offset < 0 {
2548 offset = 0
2549 }
2550 maxOffset := chatLen - page
2551 if maxOffset < 0 {
2552 maxOffset = 0
2553 }
2554 if offset > maxOffset {
2555 offset = maxOffset
2556 }
2557
2558 i.mu.Lock()
2559 i.scrollOffset = offset
2560 // Mark the parked-turn footer so the user sees "viewing turn N of
2561 // M - pgdn to catch up" — same affordance as /jump. Tells them at
2562 // a glance that they're looking at history, not the live tail.
2563 if offset > 0 {
2564 i.parkedTurn = turnNo
2565 i.parkedTotal = totalTurns
2566 }
2567 i.mu.Unlock()
2568 i.invalidate()
2569}
2570
2571func (i *Interactive) applyModelSelection(prov, model string) {
2572 if model == "" {
2573 return
2574 }
2575 m, err := provider.FindModel(prov, model)
2576 if err != nil {
2577 i.mu.Lock()
2578 i.statusErr = err.Error()
2579 i.mu.Unlock()
2580 return
2581 }
2582 // Same provider? Just swap the model on the existing agent.
2583 if i.agent != nil && m.Provider == i.cfg.Provider {
2584 i.mu.Lock()
2585 i.cfg.Model = m.ID
2586 i.agent.Model = m.ID
2587 i.statusOK = "model: " + m.ID
2588 i.statusErr = ""
2589 i.mu.Unlock()
2590 if i.cfg.PersistModel != nil {
2591 i.cfg.PersistModel(i.cfg.Provider, m.ID)
2592 }
2593 return
2594 }
2595 // Different provider: rebuild agent (needs credentials for target provider).
2596 if i.cfg.BuildAgentFor == nil {
2597 i.mu.Lock()
2598 i.statusErr = "cannot switch provider: no builder configured"
2599 i.mu.Unlock()
2600 return
2601 }
2602 // Snapshot the current transcript and cumulative usage BEFORE we
2603 // build the replacement agent so we can hand them off. Without
2604 // this the user perceives the entire session as wiped on a
2605 // cross-provider /model swap.
2606 var carryMsgs []provider.Message
2607 var carryCost provider.Usage
2608 if i.agent != nil {
2609 carryMsgs = i.agent.Messages()
2610 carryCost = i.agent.Cost()
2611 }
2612
2613 ag, p, md, err := i.cfg.BuildAgentFor(m.Provider, m.ID)
2614 if err != nil {
2615 i.mu.Lock()
2616 i.statusErr = err.Error()
2617 i.mu.Unlock()
2618 return
2619 }
2620
2621 // Replay the transcript and seed the cost on the freshly-built
2622 // agent. Messages travel cleanly between providers because they
2623 // use the same provider.Message shape; tool-call ids are local
2624 // to a turn so cross-provider continuation never confuses the
2625 // new model (it just sees the assistant's reply, no orphan
2626 // tool_use blocks because /model swaps are gated to idle state).
2627 if len(carryMsgs) > 0 {
2628 ag.SetMessages(carryMsgs)
2629 }
2630 ag.SeedCost(carryCost)
2631
2632 i.mu.Lock()
2633 i.agent = ag
2634 i.cfg.Provider = p
2635 i.cfg.Model = md
2636 i.statusOK = "switched to " + p + " / " + md
2637 i.statusErr = ""
2638 // Render cache keys are width+content based, so the new agent's
2639 // identical messages will reuse the existing entries. Nothing
2640 // to invalidate.
2641 i.mu.Unlock()
2642 // The new agent was built off the base tool registry, so any
2643 // dynamically-registered tools (telegram_send_*) need to be
2644 // reattached. applyTelegramTools is a no-op when the bridge is
2645 // idle so the cross-provider path still works on a vanilla setup.
2646 i.applyTelegramTools(i.telegramBridge != nil && i.telegramBridge.Active())
2647 if i.cfg.PersistModel != nil {
2648 i.cfg.PersistModel(p, md)
2649 }
2650}
2651
2652func (i *Interactive) handleAuthEvent(ev auth.Event) {
2653 switch ev.Kind {
2654 case "started":
2655 i.dialog.ShowWaiting(ev.URL)
2656 case "browser_open":
2657 // no-op
2658 case "error":
2659 i.dialog.ShowResult(false, ev.Message)
2660 case "success":
2661 // Rebuild the agent with the fresh credential.
2662 ag, prov, model, err := i.cfg.BuildAgent()
2663 if err != nil {
2664 i.dialog.ShowResult(false, err.Error())
2665 return
2666 }
2667 i.mu.Lock()
2668 i.agent = ag
2669 i.cfg.Provider = prov
2670 i.cfg.Model = model
2671 i.statusErr = ""
2672 i.statusOK = "logged in to " + ev.Provider + " via " + ev.Method
2673 i.mu.Unlock()
2674 i.applyTelegramTools(i.telegramBridge != nil && i.telegramBridge.Active())
2675 i.dialog.ShowResult(true, "")
2676 }
2677}
2678
2679// runCompact invokes core.Agent.Compact and reflects the progress in
2680// the tui. It runs in a goroutine so the ui stays responsive; esc/ctrl+c
2681// cancel via the same cancelTurn channel used for normal turns.
2682//
2683// When auto is true the spinner message is pinned to "condensing
2684// history" and the status bar surfaces "(auto)" next to the context
2685// percentage so it's obvious the system triggered this, not the user.
2686func (i *Interactive) runCompact(parent context.Context, auto bool) {
2687 if i.agent == nil {
2688 i.mu.Lock()
2689 i.statusErr = "not logged in. type /login first."
2690 i.mu.Unlock()
2691 return
2692 }
2693 ctx, cancel := context.WithCancel(parent)
2694 i.mu.Lock()
2695 i.busy = true
2696 if auto {
2697 i.spin.StartFixed("condensing history")
2698 i.autoCompacting = true
2699 } else {
2700 i.spin.StartFixed("compacting")
2701 }
2702 i.cancelTurn = cancel
2703 i.statusErr = ""
2704 i.statusOK = ""
2705 // Do NOT set streamOn: the summary text should not be visible
2706 // in the chat while compacting. The user just sees the spinner
2707 // and can keep typing / queue prompts.
2708 i.scrollOffset = 0
2709 i.helpBlock = nil
2710 i.mu.Unlock()
2711 i.invalidate()
2712
2713 go func() {
2714 // Sink discards deltas — we don't stream the summary to the UI.
2715 sink := func(delta string) {}
2716 summary, err := i.agent.Compact(ctx, 4, sink)
2717 _ = summary
2718 i.mu.Lock()
2719 i.busy = false
2720 i.resetStreamingStateLocked()
2721 i.cancelTurn = nil
2722 i.autoCompacting = false
2723
2724 // Drain the queue: if the user typed a prompt while compacting,
2725 // fire it now that the transcript is clean.
2726 var next string
2727 var hasNext bool
2728
2729 switch {
2730 case err != nil && ctx.Err() != nil:
2731 i.statusErr = ""
2732 if auto {
2733 i.statusOK = "auto-condense cancelled"
2734 } else {
2735 i.statusOK = "compaction cancelled"
2736 }
2737 i.queued = nil // drop queue on cancel
2738 case err != nil:
2739 i.statusErr = "compaction failed: " + err.Error()
2740 i.statusOK = ""
2741 i.queued = nil // drop queue on error
2742 default:
2743 i.statusErr = ""
2744 // Read token count from the compaction message meta.
2745 tokens := ""
2746 msgs := i.agent.Messages()
2747 if len(msgs) > 0 && msgs[0].Meta["compaction"] == "true" {
2748 tokens = msgs[0].Meta["tokens_before"]
2749 }
2750 if tokens != "" {
2751 i.statusOK = fmt.Sprintf("compacted from ~%s tokens (ctrl+o to expand)", tokens)
2752 } else {
2753 i.statusOK = "compacted (ctrl+o to expand)"
2754 }
2755 i.lastCtxInput = 0
2756 i.toolCalls = map[string]*tui.ToolCallView{}
2757 i.toolOrder = nil
2758 i.view.InvalidateRenderCache()
2759 // Pop queued prompt if any.
2760 if len(i.queued) > 0 {
2761 next, i.queued = i.queued[0], i.queued[1:]
2762 hasNext = true
2763 }
2764 }
2765 i.mu.Unlock()
2766 i.invalidate()
2767
2768 if hasNext {
2769 p := i.runCtx
2770 if p == nil {
2771 p = context.Background()
2772 }
2773 i.startTurn(p, next)
2774 }
2775 }()
2776}
2777
2778func (i *Interactive) startTurn(parent context.Context, prompt string) {
2779 i.startTurnWithImages(parent, prompt, nil)
2780}
2781
2782func (i *Interactive) startTurnWithImages(parent context.Context, prompt string, images []provider.ImageBlock) {
2783 if i.agent == nil {
2784 return
2785 }
2786 ctx, cancel := context.WithCancel(parent)
2787 i.mu.Lock()
2788 i.busy = true
2789 i.spin.Start()
2790 i.cancelTurn = cancel
2791 i.statusErr = ""
2792 i.statusOK = ""
2793 i.streaming.Reset()
2794 i.streamOn = true
2795 i.toolCalls = map[string]*tui.ToolCallView{}
2796 i.toolOrder = nil
2797 i.scrollOffset = 0 // jump back to the bottom on new turn
2798 i.parkedTurn = 0 // starting a turn clears the /jump parked state
2799 i.parkedTotal = 0
2800 i.helpBlock = nil // hide the help block once the user asks something
2801 i.mu.Unlock()
2802 i.invalidate()
2803
2804 sink := func(ev core.AgentEvent) {
2805 i.handleEvent(ev)
2806 i.invalidate()
2807 }
2808
2809 go func() {
2810 err := i.agent.Prompt(ctx, prompt, images, sink)
2811 i.mu.Lock()
2812 i.busy = false
2813 // Don't touch streamPending / streamFlushPending here — the
2814 // pacer may still be draining the final deltas and needs to
2815 // paint them even though Prompt has returned. It will reset
2816 // streamOn on its own once the buffer empties.
2817 if len(i.streamPending) == 0 {
2818 i.streamOn = false
2819 }
2820 i.cancelTurn = nil
2821 if err != nil && ctx.Err() == nil {
2822 i.statusErr = err.Error()
2823 }
2824 // Persist the assistant's reply (and every tool row before
2825 // it) to the session file while the turn memory is hot.
2826 // Without this, WriteNewTranscript only fires at zot exit,
2827 // meaning a crash or ungraceful kill drops the whole
2828 // conversation. FlushSession is idempotent (it advances the
2829 // baseline so subsequent flushes only write new rows).
2830 flush := i.cfg.FlushSession
2831 i.mu.Unlock()
2832 if flush != nil {
2833 flush()
2834 }
2835 i.mu.Lock()
2836 // Pop the next queued message, if any, and relaunch.
2837 var next string
2838 var hasNext bool
2839 if len(i.queued) > 0 && ctx.Err() == nil && err == nil {
2840 next, i.queued = i.queued[0], i.queued[1:]
2841 hasNext = true
2842 }
2843 // If the turn was cancelled or errored, drop the queue so the
2844 // user isn't bombarded with stale messages after an interrupt.
2845 if ctx.Err() != nil || err != nil {
2846 i.queued = nil
2847 }
2848 // Decide whether the next thing to do is an auto-compaction.
2849 // Only fires when the turn completed cleanly AND the queue is
2850 // empty (otherwise a queued message would race the condense).
2851 shouldAutoCompact := !hasNext && err == nil && ctx.Err() == nil && i.shouldAutoCompactLocked()
2852 i.mu.Unlock()
2853 i.invalidate()
2854 parent := i.runCtx
2855 if parent == nil {
2856 parent = context.Background()
2857 }
2858 switch {
2859 case hasNext:
2860 i.startTurn(parent, next)
2861 case shouldAutoCompact:
2862 i.runCompact(parent, true)
2863 }
2864 }()
2865}
2866
2867// autoCompactThreshold is the context-window fraction at which the
2868// agent will auto-compact after a turn ends. 0.85 leaves enough
2869// headroom for one more user prompt + response before we bump the
2870// hard limit.
2871const autoCompactThreshold = 0.85
2872
2873// shouldAutoCompactLocked reports whether the last turn pushed context
2874// usage past the auto-compact threshold. Must be called with i.mu
2875// held; it reads lastCtxInput and the current model's context window.
2876func (i *Interactive) shouldAutoCompactLocked() bool {
2877 if i.agent == nil {
2878 return false
2879 }
2880 if i.autoCompacting {
2881 return false
2882 }
2883 m, err := provider.FindModel(i.cfg.Provider, i.cfg.Model)
2884 if err != nil || m.ContextWindow <= 0 {
2885 return false
2886 }
2887 if i.lastCtxInput <= 0 {
2888 return false
2889 }
2890 return float64(i.lastCtxInput)/float64(m.ContextWindow) >= autoCompactThreshold
2891}
2892
2893func (i *Interactive) handleEvent(ev core.AgentEvent) {
2894 i.mu.Lock()
2895 defer i.mu.Unlock()
2896 switch e := ev.(type) {
2897 case core.EvAssistantStart:
2898 // Fires at the top of every oneTurn, including follow-up
2899 // turns after tool use. Without this, the streaming buffer
2900 // is still marked off from the previous assistant message
2901 // and the final summary text pops in all at once instead
2902 // of typewriter-streaming delta by delta.
2903 i.streaming.Reset()
2904 i.streamPending = i.streamPending[:0]
2905 i.streamFlushPending = false
2906 i.streamOn = true
2907 // Clear the live tool-call overlay. Any tools from the
2908 // previous round are now fully folded into the transcript
2909 // (assistant tool_use block + tool role message with the
2910 // result), so keeping them in the overlay would duplicate
2911 // them in the view — once inside the finalised transcript
2912 // and once below the streaming block, with the streaming
2913 // summary sandwiched in between. The next EvToolUseStart
2914 // will populate fresh entries for this turn's tools.
2915 i.toolCalls = map[string]*tui.ToolCallView{}
2916 i.toolOrder = nil
2917 case core.EvTextDelta:
2918 // Buffer into streamPending; the paintPace ticker drains
2919 // it into i.streaming a few runes at a time for a smooth
2920 // typewriter effect independent of upstream chunk size.
2921 i.streamPending = append(i.streamPending, []rune(e.Delta)...)
2922 i.streamOn = true
2923 case core.EvAssistantMessage:
2924 // OnAssistant + telegram mirroring always fire on message
2925 // arrival — they read the FINAL message content, which is
2926 // complete regardless of what's still in the pacer.
2927 i.assistantMessageSideEffects(e.Message)
2928 // If the pacer still has characters to drain, keep streamOn
2929 // true and mark flush pending; the paintPace ticker will
2930 // drain the remainder and reset streaming state when done.
2931 // Otherwise (rare: full-replay sessions, abort paths) clear
2932 // synchronously so a later render doesn't show stale text.
2933 if len(i.streamPending) > 0 {
2934 i.streamFlushPending = true
2935 return
2936 }
2937 i.resetStreamingStateLocked()
2938 // Force full repaint: assistant text committed, layout shifts.
2939 if i.rend != nil {
2940 i.rend.Invalidate()
2941 }
2942 case core.EvToolUseStart:
2943 // Live streaming: pre-create the view so the user sees the
2944 // tool call being composed in real time. Any subsequent
2945 // EvToolCall for the same ID updates the same struct (the
2946 // final parsed args + name are already known here).
2947 if _, exists := i.toolCalls[e.ID]; !exists {
2948 i.toolCalls[e.ID] = &tui.ToolCallView{
2949 ID: e.ID,
2950 Name: e.Name,
2951 Streaming: true,
2952 }
2953 i.toolOrder = append(i.toolOrder, e.ID)
2954 }
2955 case core.EvToolUseArgs:
2956 if tc, ok := i.toolCalls[e.ID]; ok {
2957 tc.RawJSONBuf += e.Delta
2958 // Refresh the live path as soon as it parses; used in
2959 // the header (write /Users/pat/Desktop/demo.ts)
2960 // while the content is still streaming.
2961 if p, pok, _ := tui.ExtractPartialStringField(tc.RawJSONBuf, "path"); pok {
2962 tc.LivePath = p
2963 } else if p, pok, _ := tui.ExtractPartialStringField(tc.RawJSONBuf, "file_path"); pok {
2964 tc.LivePath = p
2965 }
2966 }
2967 case core.EvToolUseEnd:
2968 if tc, ok := i.toolCalls[e.ID]; ok {
2969 tc.Streaming = false
2970 }
2971 case core.EvToolCall:
2972 // If we already pre-created the view during streaming, just
2973 // refresh the final Args summary. Otherwise create a new one
2974 // (non-streaming providers or legacy paths).
2975 if tc, ok := i.toolCalls[e.ID]; ok {
2976 tc.Args = tui.ShortArgs(e.Name, e.Args)
2977 tc.Streaming = false
2978 } else {
2979 i.toolCalls[e.ID] = &tui.ToolCallView{
2980 ID: e.ID,
2981 Name: e.Name,
2982 Args: tui.ShortArgs(e.Name, e.Args),
2983 }
2984 i.toolOrder = append(i.toolOrder, e.ID)
2985 }
2986 case core.EvToolResult:
2987 if tc, ok := i.toolCalls[e.ID]; ok {
2988 tc.Done = true
2989 tc.Error = e.Result.IsError
2990 var text strings.Builder
2991 for _, c := range e.Result.Content {
2992 if tb, ok := c.(provider.TextBlock); ok {
2993 if text.Len() > 0 {
2994 text.WriteString("\n")
2995 }
2996 text.WriteString(tb.Text)
2997 }
2998 }
2999 tc.Result = text.String()
3000 }
3001 // Force full repaint: tool completion shifts the layout
3002 // (collapsed body replaces streaming) and the diff renderer
3003 // may leave stale code fragments on status bar rows.
3004 if i.rend != nil {
3005 i.rend.Invalidate()
3006 }
3007 if i.cfg.OnToolResult != nil {
3008 i.cfg.OnToolResult(e.ID, e.Result)
3009 }
3010 case core.EvUsage:
3011 i.cumUsage = e.Cumulative
3012 if e.Usage.InputTokens > 0 {
3013 i.lastCtxInput = e.Usage.InputTokens + e.Usage.CacheReadTokens + e.Usage.CacheWriteTokens
3014 }
3015 case core.EvTurnEnd:
3016 // Force full repaint: the turn ending shifts layout (streaming
3017 // buffer flushed, status bar updates) and the diff renderer
3018 // may leave stale content on reused rows.
3019 if i.rend != nil {
3020 i.rend.Invalidate()
3021 }
3022 if e.Stop == provider.StopAborted {
3023 i.resetStreamingStateLocked()
3024 i.statusErr = ""
3025 i.statusOK = "cancelled"
3026 return
3027 }
3028 if e.Err != nil && !strings.Contains(e.Err.Error(), "context canceled") {
3029 i.statusErr = e.Err.Error()
3030 }
3031 }
3032}
3033
3034// Agent returns the current agent, if any. Used by cli.go to flush the
3035// final transcript to the session file.
3036func (i *Interactive) Agent() *core.Agent {
3037 i.mu.Lock()
3038 defer i.mu.Unlock()
3039 return i.agent
3040}
3041
3042// silence unused import in some build configs
3043var _ = fmt.Sprintf
3044
3045// runReloadExt triggers a live reload of every extension (discovered
3046// + explicit). Runs on a goroutine so the TUI stays responsive; the
3047// Manager.Reload takes a couple of hundred ms to shut down subprocs
3048// and respawn them. Shows a status line throughout.
3049func (i *Interactive) runReloadExt(ctx context.Context) {
3050 if i.cfg.Extensions == nil {
3051 i.mu.Lock()
3052 i.statusErr = "no extension manager in this build"
3053 i.mu.Unlock()
3054 i.invalidate()
3055 return
3056 }
3057 i.mu.Lock()
3058 i.statusOK = "reloading extensions…"
3059 i.statusErr = ""
3060 i.mu.Unlock()
3061 i.invalidate()
3062
3063 go func() {
3064 stats := i.cfg.Extensions.Reload(ctx, 2*time.Second)
3065 msg := fmt.Sprintf("reloaded: %d stopped, %d loaded (%d ready)", stats.Stopped, stats.Loaded, stats.Ready)
3066 if len(stats.Errors) > 0 {
3067 msg += fmt.Sprintf(", %d error(s)", len(stats.Errors))
3068 }
3069 i.mu.Lock()
3070 i.statusOK = msg
3071 i.statusErr = ""
3072 i.mu.Unlock()
3073 i.invalidate()
3074 }()
3075}
3076
3077// Confirm implements core.Confirmer. The agent goroutine calls
3078// this synchronously before every tool invocation when --no-yolo is
3079// active. We push the request onto the confirmDialog queue, trigger
3080// a redraw, and block the caller until the user answers.
3081//
3082// If the session is cancelled or the TUI exits mid-prompt, any
3083// pending request is refused via CancelAll so the agent doesn't
3084// deadlock.
3085func (i *Interactive) Confirm(toolName string, preview string) core.ConfirmDecision {
3086 resp := make(chan core.ConfirmDecision, 1)
3087 i.confirmDialog.Enqueue(&confirmRequest{
3088 toolName: toolName,
3089 preview: preview,
3090 resp: resp,
3091 })
3092 i.invalidate()
3093 return <-resp
3094}
3095
3096// runYoloOn disables --no-yolo for the rest of the session. Tool
3097// calls run without prompting after this; there's intentionally no
3098// way to re-enable gating mid-session, if the user wants that back
3099// they can exit and restart with --no-yolo.
3100func (i *Interactive) runYoloOn() {
3101 if i.cfg.ConfirmGate == nil {
3102 i.mu.Lock()
3103 i.statusOK = "yolo mode is already on (no --no-yolo in this session)"
3104 i.statusErr = ""
3105 i.mu.Unlock()
3106 i.invalidate()
3107 return
3108 }
3109 i.cfg.ConfirmGate.AllowAll()
3110 // Also auto-allow any currently pending confirmation so the
3111 // agent doesn't deadlock if /yolo is typed while a prompt is
3112 // open.
3113 i.confirmDialog.AllowAllPending()
3114 i.mu.Lock()
3115 i.statusOK = "yolo engaged: no more tool-call confirmations this session"
3116 i.statusErr = ""
3117 i.mu.Unlock()
3118 i.invalidate()
3119}
3120
3121// openTelegramDialog shows the picker for `/telegram` with no arg.
3122// Items depend on current state: disconnect + status when running,
3123// connect + status when stopped.
3124func (i *Interactive) openTelegramDialog() {
3125 items := i.telegramMenuItems()
3126 if len(items) == 0 {
3127 i.mu.Lock()
3128 i.statusErr = "telegram not configured. run `zot telegram-bot setup` first."
3129 i.mu.Unlock()
3130 i.invalidate()
3131 return
3132 }
3133 i.telegramDialog.Open(items)
3134 i.invalidate()
3135}
3136
3137// telegramMenuItems builds the dialog entries for the current
3138// bridge state. Returns empty when no bot.json exists so the
3139// caller can show a helpful status line instead of an empty menu.
3140func (i *Interactive) telegramMenuItems() []telegramItem {
3141 cfg, err := telegram.LoadConfig(i.cfg.ZotHome)
3142 if err != nil || cfg.BotToken == "" {
3143 return nil
3144 }
3145 var items []telegramItem
3146 if i.telegramBridge != nil && i.telegramBridge.Active() {
3147 items = append(items, telegramItem{label: "disconnect", action: "disconnect", hint: "stop mirroring"})
3148 st := i.telegramBridge.State()
3149 hint := "active"
3150 if st.Username != "" {
3151 hint += " as @" + st.Username
3152 }
3153 items = append(items, telegramItem{label: "status", action: "status", hint: hint})
3154 } else {
3155 label := "connect"
3156 hint := "start mirroring dms into this session"
3157 if cfg.AllowedUserID == 0 {
3158 hint = "awaiting pairing (send /start to the bot once connected)"
3159 }
3160 items = append(items, telegramItem{label: label, action: "connect", hint: hint})
3161 items = append(items, telegramItem{label: "status", action: "status", hint: "disconnected"})
3162 }
3163 return items
3164}
3165
3166// doTelegram dispatches one of the three explicit actions. Called
3167// from /telegram <action> or after the picker selects a row.
3168func (i *Interactive) doTelegram(action string) {
3169 switch action {
3170 case "connect":
3171 i.telegramConnect()
3172 case "disconnect":
3173 i.telegramDisconnect()
3174 case "status":
3175 i.telegramStatus()
3176 default:
3177 i.mu.Lock()
3178 i.statusErr = "unknown telegram action: " + action + " (use connect, disconnect, or status)"
3179 i.mu.Unlock()
3180 i.invalidate()
3181 }
3182}
3183
3184// telegramConnect starts the bridge. Refuses if it's already
3185// running or if the on-disk bot.json is missing a token.
3186func (i *Interactive) telegramConnect() {
3187 if i.telegramBridge != nil && i.telegramBridge.Active() {
3188 i.mu.Lock()
3189 i.statusOK = "telegram already connected"
3190 i.statusErr = ""
3191 i.mu.Unlock()
3192 i.invalidate()
3193 return
3194 }
3195 cfg, err := telegram.LoadConfig(i.cfg.ZotHome)
3196 if err != nil {
3197 i.mu.Lock()
3198 i.statusErr = "telegram: " + err.Error()
3199 i.mu.Unlock()
3200 i.invalidate()
3201 return
3202 }
3203 if cfg.BotToken == "" {
3204 i.mu.Lock()
3205 i.statusErr = "telegram: no bot token configured. run `zot telegram-bot setup` first."
3206 i.mu.Unlock()
3207 i.invalidate()
3208 return
3209 }
3210 // Refuse to start when a background daemon is already polling
3211 // the same bot. Two concurrent long-poll consumers race each
3212 // update and one always loses, so DMs get half-delivered. The
3213 // user can `zot telegram-bot stop` first, then /telegram connect.
3214 if pid, alive, _ := telegram.IsRunning(i.cfg.ZotHome); alive && pid > 0 {
3215 i.mu.Lock()
3216 i.statusErr = fmt.Sprintf("telegram: bot daemon already running (pid %d). stop it with `zot telegram-bot stop` first.", pid)
3217 i.mu.Unlock()
3218 i.invalidate()
3219 return
3220 }
3221 i.telegramBridge = &telegram.Bridge{
3222 Client: telegram.NewClient(cfg.BotToken),
3223 Config: cfg,
3224 Save: func(next telegram.Config) error {
3225 return telegram.SaveConfig(i.cfg.ZotHome, next)
3226 },
3227 Host: &telegramHost{iv: i},
3228 }
3229 if err := i.telegramBridge.Start(i.runCtx); err != nil {
3230 i.telegramBridge = nil
3231 i.mu.Lock()
3232 i.statusErr = "telegram connect failed: " + err.Error()
3233 i.mu.Unlock()
3234 i.invalidate()
3235 return
3236 }
3237 i.applyTelegramTools(true)
3238 state := i.telegramBridge.State()
3239 label := "telegram connected"
3240 if state.Username != "" {
3241 label += " as @" + state.Username
3242 }
3243 if state.PairedID == 0 {
3244 label += " — send /start to the bot from your phone to claim it"
3245 }
3246 i.mu.Lock()
3247 i.statusOK = label
3248 i.statusErr = ""
3249 i.mu.Unlock()
3250 i.invalidate()
3251}
3252
3253// telegramDisconnect stops the bridge. No-op when already stopped.
3254func (i *Interactive) telegramDisconnect() {
3255 if i.telegramBridge == nil || !i.telegramBridge.Active() {
3256 i.mu.Lock()
3257 i.statusOK = "telegram already disconnected"
3258 i.statusErr = ""
3259 i.mu.Unlock()
3260 i.invalidate()
3261 return
3262 }
3263 i.telegramBridge.Stop()
3264 i.applyTelegramTools(false)
3265 i.mu.Lock()
3266 i.statusOK = "telegram disconnected"
3267 i.statusErr = ""
3268 i.mu.Unlock()
3269 i.invalidate()
3270}
3271
3272// telegramSenderAdapter wraps the bridge so the tools package can
3273// drive it without importing telegram directly. The Active() check
3274// is forwarded to the bridge so the tool can fail clearly with a
3275// model-readable error when the user disconnected mid-turn.
3276type telegramSenderAdapter struct {
3277 bridge *telegram.Bridge
3278}
3279
3280func (a telegramSenderAdapter) SendImage(ctx context.Context, path, caption string) error {
3281 if a.bridge == nil {
3282 return fmt.Errorf("telegram bridge is not connected")
3283 }
3284 return a.bridge.SendImage(ctx, path, caption)
3285}
3286
3287func (a telegramSenderAdapter) SendDocument(ctx context.Context, path, caption string) error {
3288 if a.bridge == nil {
3289 return fmt.Errorf("telegram bridge is not connected")
3290 }
3291 return a.bridge.SendDocument(ctx, path, caption)
3292}
3293
3294func (a telegramSenderAdapter) Active() bool {
3295 return a.bridge != nil && a.bridge.Active()
3296}
3297
3298// applyTelegramTools registers (active=true) or removes (active=false)
3299// the telegram_send_image and telegram_send_file tools on the running
3300// agent so the model only sees them while the bridge is connected.
3301// Snapshots and mutates the live tool registry so any extension or
3302// /reload-ext additions made while Telegram is connected survive a
3303// later /telegram disconnect (we only add or strip the two telegram
3304// entries, never the rest).
3305func (i *Interactive) applyTelegramTools(active bool) {
3306 if i.agent == nil {
3307 return
3308 }
3309 current := i.agent.Tools
3310 next := core.Registry{}
3311 for name, t := range current {
3312 if name == "telegram_send_image" || name == "telegram_send_file" {
3313 continue
3314 }
3315 next[name] = t
3316 }
3317 if active {
3318 sender := telegramSenderAdapter{bridge: i.telegramBridge}
3319 next["telegram_send_image"] = &tools.TelegramSendImageTool{
3320 CWD: i.cfg.CWD, Sandbox: i.cfg.Sandbox, Sender: sender,
3321 }
3322 next["telegram_send_file"] = &tools.TelegramSendFileTool{
3323 CWD: i.cfg.CWD, Sandbox: i.cfg.Sandbox, Sender: sender,
3324 }
3325 }
3326 i.agent.SetTools(next)
3327}
3328
3329// telegramStatus writes a one-liner describing the bridge state.
3330// Reports on both the in-tui bridge and the background daemon so
3331// the user isn't confused when the daemon owns the poll loop.
3332func (i *Interactive) telegramStatus() {
3333 var msg string
3334 if i.telegramBridge != nil && i.telegramBridge.Active() {
3335 s := i.telegramBridge.State()
3336 msg = "telegram: connected (tui bridge)"
3337 if s.Username != "" {
3338 msg += " as @" + s.Username
3339 }
3340 if s.PairedID != 0 {
3341 msg += fmt.Sprintf(" - paired with user %d", s.PairedID)
3342 } else {
3343 msg += " - awaiting pairing"
3344 }
3345 } else if pid, alive, _ := telegram.IsRunning(i.cfg.ZotHome); alive && pid > 0 {
3346 msg = fmt.Sprintf("telegram: background daemon running (pid %d) - /telegram connect won't work until you stop it", pid)
3347 } else {
3348 cfg, _ := telegram.LoadConfig(i.cfg.ZotHome)
3349 if cfg.BotToken == "" {
3350 msg = "telegram: not configured. run `zot telegram-bot setup` first."
3351 } else {
3352 msg = "telegram: disconnected"
3353 if cfg.BotUsername != "" {
3354 msg += " (@" + cfg.BotUsername + " ready to connect)"
3355 }
3356 }
3357 }
3358 i.mu.Lock()
3359 i.statusOK = msg
3360 i.statusErr = ""
3361 i.mu.Unlock()
3362 i.invalidate()
3363}
3364
3365// telegramHost adapts *Interactive to telegram.Host so the bridge
3366// can call back into the TUI without importing modes directly.
3367type telegramHost struct{ iv *Interactive }
3368
3369func (h *telegramHost) SubmitOrQueue(prompt string, images []provider.ImageBlock) {
3370 h.iv.SubmitOrQueue(prompt, images)
3371}
3372
3373func (h *telegramHost) CancelTurn() { h.iv.CancelTurn() }
3374
3375func (h *telegramHost) Notify(level, message string) {
3376 h.iv.mu.Lock()
3377 switch level {
3378 case "error", "warn":
3379 h.iv.statusErr = message
3380 h.iv.statusOK = ""
3381 default:
3382 h.iv.statusOK = message
3383 h.iv.statusErr = ""
3384 }
3385 h.iv.mu.Unlock()
3386 h.iv.invalidate()
3387}
3388
3389// openSessionOpsDialog shows the picker for `/session` with no arg.
3390// Always offers export, import, fork, tree; the handlers bail with
3391// a clear status message when the precondition isn't met (empty
3392// transcript on fork; no parent/siblings on tree).
3393func (i *Interactive) openSessionOpsDialog() {
3394 items := []sessionOpsItem{
3395 {label: "export", action: "export", hint: "write the current session to a .zotsession file"},
3396 {label: "import", action: "import", hint: "load a .zotsession file into this directory"},
3397 {label: "fork", action: "fork", hint: "branch from a past user message into a new session"},
3398 {label: "tree", action: "tree", hint: "switch between branches in this directory"},
3399 }
3400 i.sessionOpsDialog.Open(items)
3401 i.invalidate()
3402}
3403
3404// doSessionOp dispatches export, import, fork, or tree. arg is the
3405// optional positional argument from e.g. /session export <path>
3406// or /session import <path>; fork and tree ignore it.
3407func (i *Interactive) doSessionOp(action, arg string) {
3408 switch action {
3409 case "export":
3410 i.doSessionExport(arg)
3411 case "import":
3412 i.doSessionImport(arg)
3413 case "fork":
3414 i.doSessionFork()
3415 case "tree":
3416 i.doSessionTree()
3417 default:
3418 i.mu.Lock()
3419 i.statusErr = "unknown /session action: " + action + " (use export, import, fork, or tree)"
3420 i.mu.Unlock()
3421 i.invalidate()
3422 }
3423}
3424
3425// doSessionExport writes the live session file to destination path
3426// dst. When dst is empty we default to ~/Downloads (falling back to
3427// the user's home directory if it doesn't exist). The helper
3428// expands a leading `~` and creates any missing parent directories.
3429func (i *Interactive) doSessionExport(dst string) {
3430 if i.cfg.CurrentSessionPath == nil {
3431 i.mu.Lock()
3432 i.statusErr = "export: no session is active (running with --no-session?)"
3433 i.mu.Unlock()
3434 i.invalidate()
3435 return
3436 }
3437 src := i.cfg.CurrentSessionPath()
3438 if src == "" {
3439 i.mu.Lock()
3440 i.statusErr = "export: no session is active (running with --no-session?)"
3441 i.mu.Unlock()
3442 i.invalidate()
3443 return
3444 }
3445 // Persist any in-memory agent messages to the session file so
3446 // the export carries the full conversation. Without this, the
3447 // default lazy-flush-at-exit strategy leaves most of a running
3448 // session unwritten and the export ends up with only the meta.
3449 if i.cfg.FlushSession != nil {
3450 i.cfg.FlushSession()
3451 }
3452 dst = unquotePath(dst)
3453 if dst == "" {
3454 dst = defaultExportDir()
3455 } else {
3456 dst = expandTilde(dst)
3457 }
3458 out, err := core.ExportSession(src, dst)
3459 if err != nil {
3460 i.mu.Lock()
3461 i.statusErr = "export: " + err.Error()
3462 i.mu.Unlock()
3463 i.invalidate()
3464 return
3465 }
3466 i.mu.Lock()
3467 i.statusOK = "exported session to " + friendlyPath(out)
3468 i.statusErr = ""
3469 i.mu.Unlock()
3470 i.invalidate()
3471}
3472
3473// doSessionImport copies the .zotsession file at src into the
3474// running cwd's sessions directory and loads it as the active
3475// session, same as `/sessions` -> pick. When src is empty we ask
3476// the user to pass a path (no usable default here).
3477func (i *Interactive) doSessionImport(src string) {
3478 src = unquotePath(src)
3479 if src == "" {
3480 i.mu.Lock()
3481 i.statusErr = "import: pass a path — e.g. /session import ~/Downloads/work.zotsession"
3482 i.mu.Unlock()
3483 i.invalidate()
3484 return
3485 }
3486 src = expandTilde(src)
3487 if _, err := os.Stat(src); err != nil {
3488 i.mu.Lock()
3489 i.statusErr = "import: " + err.Error()
3490 i.mu.Unlock()
3491 i.invalidate()
3492 return
3493 }
3494 newPath, err := core.ImportSession(src, i.cfg.ZotHome, i.cfg.CWD, i.cfg.Version)
3495 if err != nil {
3496 i.mu.Lock()
3497 i.statusErr = "import: " + err.Error()
3498 i.mu.Unlock()
3499 i.invalidate()
3500 return
3501 }
3502 if i.cfg.LoadSession == nil {
3503 i.mu.Lock()
3504 i.statusOK = "imported session at " + friendlyPath(newPath) + " (run /sessions to resume it)"
3505 i.statusErr = ""
3506 i.mu.Unlock()
3507 i.invalidate()
3508 return
3509 }
3510 if err := i.cfg.LoadSession(newPath); err != nil {
3511 i.mu.Lock()
3512 i.statusErr = "import: load failed: " + err.Error()
3513 i.mu.Unlock()
3514 i.invalidate()
3515 return
3516 }
3517 i.mu.Lock()
3518 i.statusOK = "imported and switched to session " + friendlyPath(newPath)
3519 i.statusErr = ""
3520 i.mu.Unlock()
3521 i.invalidate()
3522}
3523
3524// defaultExportDir returns ~/Downloads when it exists, or ~ as a
3525// fallback, or /tmp on exotic machines with no home dir.
3526func defaultExportDir() string {
3527 home, err := os.UserHomeDir()
3528 if err != nil || home == "" {
3529 return os.TempDir()
3530 }
3531 downloads := filepath.Join(home, "Downloads")
3532 if fi, err := os.Stat(downloads); err == nil && fi.IsDir() {
3533 return downloads
3534 }
3535 return home
3536}
3537
3538// expandTilde turns a leading ~ into the user's home directory.
3539// Returns the input unchanged when there's no tilde or no home.
3540func expandTilde(p string) string {
3541 if p == "" || p[0] != '~' {
3542 return p
3543 }
3544 home, err := os.UserHomeDir()
3545 if err != nil || home == "" {
3546 return p
3547 }
3548 if len(p) == 1 {
3549 return home
3550 }
3551 if p[1] == '/' || p[1] == filepath.Separator {
3552 return filepath.Join(home, p[2:])
3553 }
3554 return p
3555}
3556
3557// unquotePath strips a matching pair of surrounding single or
3558// double quotes. Drag-drop paste in the tui auto-quotes dropped
3559// file paths so the shell-like `/session import 'foo bar.zs'`
3560// stays well-formed; when the TUI's own slash handler consumes
3561// the arg, we want the raw path back.
3562func unquotePath(p string) string {
3563 p = strings.TrimSpace(p)
3564 if len(p) >= 2 {
3565 first := p[0]
3566 last := p[len(p)-1]
3567 if (first == '\'' && last == '\'') || (first == '"' && last == '"') {
3568 p = p[1 : len(p)-1]
3569 }
3570 }
3571 return p
3572}
3573
3574// friendlyPath collapses the user's home directory to a leading ~
3575// so status messages read cleanly. Falls back to the raw path when
3576// the home dir is unknown.
3577func friendlyPath(p string) string {
3578 home, err := os.UserHomeDir()
3579 if err != nil || home == "" {
3580 return p
3581 }
3582 if strings.HasPrefix(p, home+string(filepath.Separator)) {
3583 return "~" + p[len(home):]
3584 }
3585 return p
3586}
3587
3588// doSessionFork opens the /jump turn picker in "fork mode". The
3589// next selection branches the current session at that user turn
3590// instead of scrolling the viewport to it.
3591func (i *Interactive) doSessionFork() {
3592 if i.cfg.CurrentSessionPath == nil || i.cfg.CurrentSessionPath() == "" {
3593 i.mu.Lock()
3594 i.statusErr = "fork: no session is active (running with --no-session?)"
3595 i.mu.Unlock()
3596 i.invalidate()
3597 return
3598 }
3599 msgs := []provider.Message{}
3600 if i.agent != nil {
3601 msgs = i.agent.Messages()
3602 }
3603 if len(msgs) == 0 {
3604 i.mu.Lock()
3605 i.statusErr = "fork: transcript is empty; nothing to fork from"
3606 i.mu.Unlock()
3607 i.invalidate()
3608 return
3609 }
3610 i.pendingFork = true
3611 i.jumpDialog.Open(msgs, "")
3612 i.invalidate()
3613}
3614
3615// doSessionTree shows the branch topology picker for this cwd.
3616// Pick an entry to switch into it (same semantics as /sessions
3617// picking a past session, but with the parent/child indentation).
3618func (i *Interactive) doSessionTree() {
3619 if i.cfg.ZotHome == "" || i.cfg.CWD == "" {
3620 i.mu.Lock()
3621 i.statusErr = "tree: session storage not configured"
3622 i.mu.Unlock()
3623 i.invalidate()
3624 return
3625 }
3626 // Flush the running agent's transcript first so its message
3627 // count + latest preview are accurate in the tree.
3628 if i.cfg.FlushSession != nil {
3629 i.cfg.FlushSession()
3630 }
3631 roots := core.BuildSessionTree(i.cfg.ZotHome, i.cfg.CWD)
3632 if len(roots) == 0 {
3633 i.mu.Lock()
3634 i.statusErr = "tree: no sessions in this directory yet"
3635 i.mu.Unlock()
3636 i.invalidate()
3637 return
3638 }
3639 current := ""
3640 if i.cfg.CurrentSessionPath != nil {
3641 current = i.cfg.CurrentSessionPath()
3642 }
3643 if !i.sessionTreeDialog.Open(roots, current) {
3644 i.mu.Lock()
3645 i.statusErr = "tree: no branches to show"
3646 i.mu.Unlock()
3647 }
3648 i.invalidate()
3649}
3650
3651// applySessionTreeSelection switches the running agent to the
3652// session file at path. Thin wrapper around LoadSession that also
3653// writes a status line.
3654func (i *Interactive) applySessionTreeSelection(path string) {
3655 if i.cfg.LoadSession == nil {
3656 i.mu.Lock()
3657 i.statusErr = "tree: session swap not available in this build"
3658 i.mu.Unlock()
3659 i.invalidate()
3660 return
3661 }
3662 if err := i.cfg.LoadSession(path); err != nil {
3663 i.mu.Lock()
3664 i.statusErr = "tree: load failed: " + err.Error()
3665 i.mu.Unlock()
3666 i.invalidate()
3667 return
3668 }
3669 i.mu.Lock()
3670 i.statusOK = "switched to branch " + friendlyPath(path)
3671 i.statusErr = ""
3672 i.mu.Unlock()
3673 i.invalidate()
3674}
3675
3676// applyForkSelection branches the current session at msgIdx+1 (so
3677// the selected user message and everything before it is included
3678// in the new branch), then switches the running agent to the new
3679// file. Called from the jump-dialog handler when pendingFork=true.
3680func (i *Interactive) applyForkSelection(msgIdx int) {
3681 i.pendingFork = false
3682 if i.cfg.CurrentSessionPath == nil {
3683 i.mu.Lock()
3684 i.statusErr = "fork: no session is active"
3685 i.mu.Unlock()
3686 i.invalidate()
3687 return
3688 }
3689 src := i.cfg.CurrentSessionPath()
3690 if src == "" {
3691 i.mu.Lock()
3692 i.statusErr = "fork: no session is active"
3693 i.mu.Unlock()
3694 i.invalidate()
3695 return
3696 }
3697 if i.cfg.FlushSession != nil {
3698 i.cfg.FlushSession()
3699 }
3700 // msgIdx is 0-indexed message position; copy msgIdx+1 rows so
3701 // the selected user message is included.
3702 upTo := msgIdx + 1
3703 newPath, err := core.BranchSession(src, i.cfg.ZotHome, i.cfg.CWD, i.cfg.Version, upTo)
3704 if err != nil {
3705 i.mu.Lock()
3706 i.statusErr = "fork: " + err.Error()
3707 i.mu.Unlock()
3708 i.invalidate()
3709 return
3710 }
3711 if i.cfg.LoadSession == nil {
3712 i.mu.Lock()
3713 i.statusOK = "forked at message " + formatInt(upTo) + " (run /sessions to resume)"
3714 i.statusErr = ""
3715 i.mu.Unlock()
3716 i.invalidate()
3717 return
3718 }
3719 if err := i.cfg.LoadSession(newPath); err != nil {
3720 i.mu.Lock()
3721 i.statusErr = "fork: switch failed: " + err.Error()
3722 i.mu.Unlock()
3723 i.invalidate()
3724 return
3725 }
3726 i.mu.Lock()
3727 i.statusOK = "forked and switched to new branch at " + friendlyPath(newPath)
3728 i.statusErr = ""
3729 i.mu.Unlock()
3730 i.invalidate()
3731}
3732
3733// formatInt is a tiny strconv.Itoa shim; keeps the handler above
3734// from needing a strconv import just for one call.
3735func formatInt(n int) string {
3736 return fmt.Sprintf("%d", n)
3737}
3738
3739// assistantText returns the concatenated text of every TextBlock in
3740// m. Used by the streaming-view dedupe guard to tell when a live
3741// streamed reply has already been promoted into the transcript.
3742func assistantText(m provider.Message) string {
3743 var sb strings.Builder
3744 for _, c := range m.Content {
3745 if tb, ok := c.(provider.TextBlock); ok {
3746 if sb.Len() > 0 {
3747 sb.WriteByte('\n')
3748 }
3749 sb.WriteString(tb.Text)
3750 }
3751 }
3752 return sb.String()
3753}
3754
3755// resetStreamingStateLocked clears every piece of streaming state
3756// in one shot. Used by abort paths (turn cancel, compact finish,
3757// queue drain) so the pacer doesn't keep draining stale runes from
3758// a prior turn. Must be called with i.mu held.
3759func (i *Interactive) resetStreamingStateLocked() {
3760 i.streaming.Reset()
3761 i.streamPending = i.streamPending[:0]
3762 i.streamFlushPending = false
3763 i.streamOn = false
3764}
3765
3766// assistantMessageSideEffects runs the non-visual hooks attached to
3767// EvAssistantMessage: the host-provided OnAssistant callback and the
3768// telegram-bridge mirror. Called with i.mu held.
3769//
3770// Factored out of handleEvent because the streaming pacer may defer
3771// visual reset until after the last buffered rune has painted, but
3772// the callbacks themselves must fire on message arrival so
3773// downstream observers (session persistence, telegram, cost panels)
3774// don't wait on a UI animation to catch up.
3775func (i *Interactive) assistantMessageSideEffects(m provider.Message) {
3776 if i.cfg.OnAssistant != nil {
3777 i.cfg.OnAssistant(m)
3778 }
3779 if i.telegramBridge != nil && i.telegramBridge.Active() {
3780 var sb strings.Builder
3781 for _, c := range m.Content {
3782 if tb, ok := c.(provider.TextBlock); ok {
3783 if sb.Len() > 0 {
3784 sb.WriteString("\n")
3785 }
3786 sb.WriteString(tb.Text)
3787 }
3788 }
3789 if text := sb.String(); strings.TrimSpace(text) != "" {
3790 go i.telegramBridge.OnAssistantText(text)
3791 }
3792 }
3793}
3794
3795// paintPaceRate is how many runes the streaming pacer releases per
3796// tick. With a 16ms tick, 6 runes/tick is ~375 runes/s — fast enough
3797// that a 500-rune summary finishes in ~1.3s, slow enough to look
3798// like a human typing. Empirically matches the feel of provider
3799// paths that already drip-stream natively.
3800const paintPaceRate = 6
3801
3802// paintPaceInterval is the tick interval for the streaming pacer.
3803// 16ms lines up with the redraw throttle so we never paint faster
3804// than the terminal can keep up.
3805const paintPaceInterval = 16 * time.Millisecond
3806
3807// runStreamPacer drains buffered deltas from streamPending into
3808// streaming a small batch per tick, invalidating after each move.
3809// It stops when the context cancels (tui shutdown).
3810//
3811// Why a pacer: providers differ wildly in how they chunk their
3812// text_delta events. The API-key path on Anthropic emits ~30 drips
3813// for a 400-token summary; the OAuth path can coalesce the same
3814// summary into 3 fat chunks, visually indistinguishable from "the
3815// whole reply just appeared". The pacer normalizes that so every
3816// path looks the same on screen.
3817func (i *Interactive) runStreamPacer(ctx context.Context) {
3818 t := time.NewTicker(paintPaceInterval)
3819 defer t.Stop()
3820 for {
3821 select {
3822 case <-ctx.Done():
3823 return
3824 case <-t.C:
3825 i.mu.Lock()
3826 if len(i.streamPending) == 0 {
3827 // EvAssistantMessage already fired but the pacer
3828 // was still draining a tick ago. Everything is now
3829 // painted; clear the streaming flags so the next
3830 // redraw shows the finalised transcript message
3831 // and hides the streaming overlay.
3832 if i.streamFlushPending {
3833 i.streamFlushPending = false
3834 i.streaming.Reset()
3835 i.streamOn = false
3836 i.mu.Unlock()
3837 i.invalidate()
3838 continue
3839 }
3840 i.mu.Unlock()
3841 continue
3842 }
3843 n := paintPaceRate
3844 if n > len(i.streamPending) {
3845 n = len(i.streamPending)
3846 }
3847 i.streaming.WriteString(string(i.streamPending[:n]))
3848 i.streamPending = i.streamPending[n:]
3849 i.mu.Unlock()
3850 i.invalidate()
3851 }
3852 }
3853}