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