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]) || strings.TrimSpace(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 strings.TrimSpace(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 foundInfo := false
1045 for j := i + 1; j < len(out); j++ {
1046 if strings.Contains(out[j], "image - ") {
1047 foundInfo = true
1048 break
1049 }
1050 if strings.TrimSpace(out[j]) != "" {
1051 break
1052 }
1053 }
1054 if !foundInfo {
1055 out[i] = ""
1056 }
1057 }
1058 return out
1059}
1060
1061// truncateLine shortens s so it fits within n display cells, with an
1062// ellipsis if trimmed. Used by the "sliding in" chips so a pasted
1063// novel doesn't blow past the status line.
1064func panelKeyName(k tui.Key) string {
1065 switch k.Kind {
1066 case tui.KeyUp:
1067 return "up"
1068 case tui.KeyDown:
1069 return "down"
1070 case tui.KeyLeft:
1071 return "left"
1072 case tui.KeyRight:
1073 return "right"
1074 case tui.KeyEnter:
1075 return "enter"
1076 case tui.KeyEsc:
1077 return "esc"
1078 case tui.KeyTab:
1079 return "tab"
1080 case tui.KeyBackspace:
1081 return "backspace"
1082 case tui.KeyDelete:
1083 return "delete"
1084 case tui.KeyHome:
1085 return "home"
1086 case tui.KeyEnd:
1087 return "end"
1088 case tui.KeyPageUp:
1089 return "pageup"
1090 case tui.KeyPageDown:
1091 return "pagedown"
1092 case tui.KeyRune:
1093 return "rune"
1094 default:
1095 return "unknown"
1096 }
1097}
1098
1099func panelKeyText(k tui.Key) string {
1100 if k.Kind == tui.KeyRune {
1101 return string(k.Rune)
1102 }
1103 return ""
1104}
1105
1106func truncateLine(s string, n int) string {
1107 if n <= 0 {
1108 return ""
1109 }
1110 // Collapse newlines — chips are single line.
1111 s = strings.ReplaceAll(s, "\n", " ↩ ")
1112 runes := []rune(s)
1113 if len(runes) <= n {
1114 return s
1115 }
1116 if n <= 1 {
1117 return "…"
1118 }
1119 return string(runes[:n-1]) + "…"
1120}
1121
1122// ctrlCExitWindow is how long after a ctrl+c press a *second* press
1123// will exit instead of just clearing input. Long enough to be
1124// deliberate (rules out accidental key chord), short enough that the
1125// hint stays meaningful.
1126const ctrlCExitWindow = 2 * time.Second
1127
1128// armCtrlCExit records the timestamp of the current ctrl+c so the next
1129// one within ctrlCExitWindow exits.
1130func (i *Interactive) armCtrlCExit() {
1131 i.mu.Lock()
1132 i.lastCtrlC = time.Now()
1133 i.mu.Unlock()
1134}
1135
1136// ctrlCExitArmed reports whether a previous ctrl+c was recent enough
1137// that another press should now exit.
1138func (i *Interactive) ctrlCExitArmed() bool {
1139 i.mu.Lock()
1140 t := i.lastCtrlC
1141 i.mu.Unlock()
1142 return !t.IsZero() && time.Since(t) <= ctrlCExitWindow
1143}
1144
1145func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
1146 // Any key that isn't ctrl+c invalidates an armed ctrl+c-exit, so
1147 // pressing ctrl+c then typing then ctrl+c much later doesn't quit
1148 // unexpectedly. The hint message also goes stale; clear it.
1149 if k.Kind != tui.KeyCtrlC {
1150 i.mu.Lock()
1151 if !i.lastCtrlC.IsZero() {
1152 i.lastCtrlC = time.Time{}
1153 if strings.HasPrefix(i.statusOK, "input cleared") || strings.HasPrefix(i.statusOK, "press ctrl+c") {
1154 i.statusOK = ""
1155 }
1156 }
1157 i.mu.Unlock()
1158 }
1159
1160 // Dialogs consume keys while open (except ctrl+c, which always closes them).
1161
1162 // Confirm dialog has highest priority: the agent goroutine is
1163 // blocked waiting for an answer, so we must not let keys leak
1164 // anywhere else while it's up.
1165 if i.confirmDialog.Active() {
1166 i.confirmDialog.HandleKey(k)
1167 i.invalidate()
1168 return false
1169 }
1170 if i.dialog.Active() {
1171 if k.Kind == tui.KeyCtrlC {
1172 i.dialog.Close()
1173 if i.cfg.AuthManager != nil {
1174 i.cfg.AuthManager.CancelOAuth()
1175 }
1176 return false
1177 }
1178 act := i.dialog.HandleKey(k)
1179 if act.StartAPIKey {
1180 i.startAPIKeyFlow(act.Provider)
1181 }
1182 if act.StartOAuth {
1183 i.startOAuthFlow(act.Provider)
1184 }
1185 if act.StartManual {
1186 i.startManualOAuthFlow(act.Provider)
1187 }
1188 if act.SubmitCode != "" {
1189 i.submitManualOAuthCode(act.SubmitCode)
1190 }
1191 return false
1192 }
1193 if i.modelDialog.Active() {
1194 if k.Kind == tui.KeyCtrlC {
1195 i.modelDialog.Close()
1196 return false
1197 }
1198 act := i.modelDialog.HandleKey(k)
1199 if act.Select {
1200 i.applyModelSelection(act.Provider, act.Model)
1201 }
1202 return false
1203 }
1204 if i.sessionDialog.Active() {
1205 if k.Kind == tui.KeyCtrlC {
1206 i.sessionDialog.Close()
1207 return false
1208 }
1209 act := i.sessionDialog.HandleKey(k)
1210 if act.Select {
1211 i.applySessionSelection(act.Path)
1212 }
1213 return false
1214 }
1215 if i.logoutDialog.Active() {
1216 if k.Kind == tui.KeyCtrlC {
1217 i.logoutDialog.Close()
1218 i.invalidate()
1219 return false
1220 }
1221 act := i.logoutDialog.HandleKey(k)
1222 if act.Select {
1223 i.doLogout(act.Target)
1224 }
1225 i.invalidate()
1226 return false
1227 }
1228 if i.telegramDialog.Active() {
1229 if k.Kind == tui.KeyCtrlC {
1230 i.telegramDialog.Close()
1231 i.invalidate()
1232 return false
1233 }
1234 act := i.telegramDialog.HandleKey(k)
1235 if act.Select {
1236 i.doTelegram(act.Action)
1237 }
1238 i.invalidate()
1239 return false
1240 }
1241 if i.sessionOpsDialog.Active() {
1242 if k.Kind == tui.KeyCtrlC {
1243 i.sessionOpsDialog.Close()
1244 i.invalidate()
1245 return false
1246 }
1247 act := i.sessionOpsDialog.HandleKey(k)
1248 if act.Select {
1249 i.doSessionOp(act.Action, "")
1250 }
1251 i.invalidate()
1252 return false
1253 }
1254 if i.sessionTreeDialog.Active() {
1255 if k.Kind == tui.KeyCtrlC {
1256 i.sessionTreeDialog.Close()
1257 i.invalidate()
1258 return false
1259 }
1260 act := i.sessionTreeDialog.HandleKey(k)
1261 if act.Select {
1262 i.applySessionTreeSelection(act.Path)
1263 }
1264 i.invalidate()
1265 return false
1266 }
1267 if i.extPanel.Active() {
1268 if k.Kind == tui.KeyCtrlC || k.Kind == tui.KeyEsc {
1269 if i.cfg.Extensions != nil {
1270 _ = i.cfg.Extensions.SendPanelClose(i.extPanel.ext, i.extPanel.id)
1271 }
1272 i.extPanel.Close()
1273 i.invalidate()
1274 return false
1275 }
1276 if i.cfg.Extensions != nil {
1277 _ = i.cfg.Extensions.SendPanelKey(i.extPanel.ext, i.extPanel.id, panelKeyName(k), panelKeyText(k))
1278 }
1279 return false
1280 }
1281 if i.jumpDialog.Active() {
1282 if k.Kind == tui.KeyCtrlC {
1283 i.jumpDialog.Close()
1284 i.pendingFork = false
1285 return false
1286 }
1287 act := i.jumpDialog.HandleKey(k)
1288 if act.Select {
1289 if i.pendingFork {
1290 i.applyForkSelection(act.MessageIdx)
1291 } else {
1292 i.applyJumpSelection(act.MessageIdx, act.TurnNo)
1293 }
1294 }
1295 // If the user dismissed the dialog without selecting, also
1296 // clear the pending-fork flag so a later plain /jump isn't
1297 // hijacked.
1298 if act.Close {
1299 i.pendingFork = false
1300 }
1301 return false
1302 }
1303 if i.btwDialog.Active() {
1304 if k.Kind == tui.KeyCtrlC {
1305 i.btwDialog.Close()
1306 i.invalidate()
1307 return false
1308 }
1309 i.btwDialog.HandleKey(k, i.invalidate)
1310 return false
1311 }
1312 if i.skillsDialog.Active() {
1313 if k.Kind == tui.KeyCtrlC {
1314 i.skillsDialog.Close()
1315 i.invalidate()
1316 return false
1317 }
1318 i.skillsDialog.HandleKey(k)
1319 i.invalidate()
1320 return false
1321 }
1322 if i.changelogDialog.Active() {
1323 if closed := i.changelogDialog.HandleKey(k); closed {
1324 // User dismissed; let the parent persist the
1325 // LastChangelogShown marker via the close callback.
1326 if i.cfg.OnChangelogDismiss != nil {
1327 i.cfg.OnChangelogDismiss()
1328 }
1329 }
1330 i.invalidate()
1331 return false
1332 }
1333
1334 // Global keys.
1335 switch k.Kind {
1336 case tui.KeyCtrlC:
1337 // While busy: do NOT cancel the turn. ctrl+c during a
1338 // running turn is almost always reflex muscle memory
1339 // ("be quiet" in a shell) rather than a deliberate
1340 // decision to kill a multi-minute model call that's
1341 // already cost tokens. Use esc to interrupt a turn; use
1342 // a deliberate double-ctrl+c to exit zot entirely. First
1343 // press arms the exit hint, second press within
1344 // ctrlCExitWindow quits.
1345 if i.busy {
1346 if i.ctrlCExitArmed() {
1347 return true
1348 }
1349 i.mu.Lock()
1350 i.statusOK = "press ctrl+c again to exit, esc to cancel the turn"
1351 i.statusErr = ""
1352 i.mu.Unlock()
1353 i.armCtrlCExit()
1354 return false
1355 }
1356 // Idle: first press clears the editor (and any queued
1357 // follow-up messages); a second press within ctrlCExitWindow
1358 // exits. With both an empty editor and no queue the first
1359 // press still just arms — require a deliberate double-tap.
1360 hadInput := !i.ed.IsEmpty() || len(i.queued) > 0
1361 if hadInput {
1362 i.ed.Clear()
1363 i.suggest.Reset()
1364 i.mu.Lock()
1365 i.queued = nil
1366 i.statusOK = "input cleared"
1367 i.statusErr = ""
1368 i.mu.Unlock()
1369 i.armCtrlCExit()
1370 return false
1371 }
1372 if i.ctrlCExitArmed() {
1373 return true
1374 }
1375 i.mu.Lock()
1376 i.statusOK = "press ctrl+c again to exit"
1377 i.statusErr = ""
1378 i.mu.Unlock()
1379 i.armCtrlCExit()
1380 return false
1381 case tui.KeyEsc:
1382 // Esc interrupts a running turn — but only when nothing
1383 // else on screen wants to consume the key first. The slash
1384 // popup has its own Esc behaviour (close + clear editor),
1385 // and transient overlays like the /help block and extension
1386 // notes should dismiss on Esc before we even consider the
1387 // turn. Without these guards, a casual Esc press after
1388 // running /help on a busy turn rips the turn away.
1389 if i.suggest.Active(i.ed.Value()) || i.fileSuggest.Active(i.ed.Value()) {
1390 break
1391 }
1392 i.mu.Lock()
1393 hadHelp := len(i.helpBlock) > 0
1394 hadNotes := len(i.extNotes) > 0
1395 if hadHelp {
1396 i.helpBlock = nil
1397 }
1398 if hadNotes {
1399 i.extNotes = nil
1400 }
1401 i.mu.Unlock()
1402 if hadHelp || hadNotes {
1403 i.invalidate()
1404 return false
1405 }
1406 if i.busy && i.cancelTurn != nil {
1407 i.cancelTurn()
1408 // If a confirm dialog is pending, refuse it so the agent
1409 // goroutine unblocks and the context cancellation can
1410 // actually take effect.
1411 i.confirmDialog.CancelAll("turn cancelled")
1412 return false
1413 }
1414 case tui.KeyCtrlD:
1415 if i.ed.IsEmpty() && !i.busy {
1416 return true
1417 }
1418 case tui.KeyCtrlL:
1419 i.rend.Clear()
1420 i.invalidate()
1421 return false
1422 case tui.KeyCtrlO:
1423 // Toggle expansion of collapsed tool results. Affects every tool
1424 // call in the transcript — press again to re-collapse.
1425 i.mu.Lock()
1426 i.view.ExpandAll = !i.view.ExpandAll
1427 i.mu.Unlock()
1428 i.invalidate()
1429 return false
1430 case tui.KeyPageUp:
1431 i.scrollBy(+i.chatPage())
1432 return false
1433 case tui.KeyPageDown:
1434 i.scrollBy(-i.chatPage())
1435 return false
1436 case tui.KeyUp:
1437 // Always use up/down for chat scrolling, even when the editor
1438 // contains text. This makes keyboard scrolling consistent with
1439 // a draft present at the cost of disabling vertical cursor
1440 // motion inside the multi-line editor. Keep slash-popup
1441 // navigation working by letting it intercept later when active.
1442 if !i.suggest.Active(i.ed.Value()) && !i.fileSuggest.Active(i.ed.Value()) {
1443 i.scrollBy(+3)
1444 return false
1445 }
1446 case tui.KeyDown:
1447 if !i.suggest.Active(i.ed.Value()) && !i.fileSuggest.Active(i.ed.Value()) {
1448 if i.scrollOffset > 0 {
1449 i.scrollBy(-3)
1450 }
1451 return false
1452 }
1453 }
1454
1455 // Note: we intentionally do NOT gate the editor on i.busy here.
1456 // Typing while the agent is working is supported — submitted
1457 // messages are queued and delivered as follow-up turns when the
1458 // current turn ends. See the submit handler below.
1459
1460 if k.Kind == tui.KeyEnter && k.Alt {
1461 i.ed.HandleKey(tui.Key{Kind: tui.KeyRune, Rune: '\n', Alt: true})
1462 return false
1463 }
1464
1465 // Slash suggestions: intercept up/down/tab/enter when the popup is visible.
1466 if i.suggest.Active(i.ed.Value()) {
1467 switch k.Kind {
1468 case tui.KeyUp:
1469 i.suggest.Up()
1470 return false
1471 case tui.KeyDown:
1472 i.suggest.Down()
1473 return false
1474 case tui.KeyTab:
1475 if name := i.suggest.Selection(i.ed.Value()); name != "" {
1476 i.ed.SetValue(name)
1477 i.suggest.Reset()
1478 }
1479 return false
1480 case tui.KeyEnter:
1481 // Enter on an ambiguous or partial slash prefix: complete to the
1482 // currently highlighted command and run it. That way typing
1483 // "/lo" + enter picks whichever of /login or /logout is selected
1484 // in the popup instead of submitting "/lo" as unknown. Also
1485 // clear the editor so the command doesn't linger after the
1486 // dialog opens/closes.
1487 if name := i.suggest.Selection(i.ed.Value()); name != "" {
1488 i.ed.Clear()
1489 i.suggest.Reset()
1490 return i.runSlash(ctx, name)
1491 }
1492 case tui.KeyEsc:
1493 i.ed.Clear()
1494 i.suggest.Reset()
1495 return false
1496 }
1497 }
1498
1499 // File suggestions: intercept up/down/tab/enter when the @-popup is visible.
1500 if i.fileSuggest.Active(i.ed.Value()) {
1501 switch k.Kind {
1502 case tui.KeyUp:
1503 i.fileSuggest.Up()
1504 return false
1505 case tui.KeyDown:
1506 i.fileSuggest.Down()
1507 return false
1508 case tui.KeyRight:
1509 // Open selected directory.
1510 i.fileSuggest.Right()
1511 return false
1512 case tui.KeyLeft:
1513 // Go back to parent directory.
1514 i.fileSuggest.Left()
1515 return false
1516 case tui.KeyEnter:
1517 if entry, ok := i.fileSuggest.SelectedEntry(i.ed.Value()); ok {
1518 var chip string
1519 if entry.isDir {
1520 chip = "[dir:" + entry.rel + "/]"
1521 } else {
1522 chip = "[file:" + entry.rel + "]"
1523 }
1524 val := i.ed.Value()
1525 if idx := strings.LastIndex(val, "@"); idx >= 0 {
1526 val = val[:idx]
1527 }
1528 i.ed.SetValue(val + chip + " ")
1529 i.fileSuggest.Reset()
1530 }
1531 return false
1532 case tui.KeyEsc:
1533 val := i.ed.Value()
1534 if idx := strings.LastIndex(val, "@"); idx >= 0 {
1535 i.ed.SetValue(val[:idx])
1536 }
1537 i.fileSuggest.Reset()
1538 return false
1539 }
1540 }
1541
1542 if submit := i.ed.HandleKey(k); submit {
1543 // SubmitValue() expands any [pasted text #N +L lines]
1544 // placeholders back into their bodies; the raw Value()
1545 // is only what the user sees on screen.
1546 text := strings.TrimRight(i.ed.SubmitValue(), "\n")
1547 // Expand [file:name] and [dir:name/] chips to full paths.
1548 text = expandFileChips(text, i.cfg.CWD)
1549 if text == "" {
1550 return false
1551 }
1552 i.ed.Clear()
1553 i.suggest.Reset()
1554 i.fileSuggest.Reset()
1555
1556 if looksLikeSlashCommand(text) {
1557 head := text
1558 rest := ""
1559 if idx := strings.IndexAny(text, " \t"); idx >= 0 {
1560 head = text[:idx]
1561 rest = strings.TrimSpace(text[idx:])
1562 }
1563 if !isKnownSlashCommand(text) {
1564 // Try extensions before giving up. Extensions register
1565 // commands by bare name (no leading slash); strip it here.
1566 extName := strings.TrimPrefix(head, "/")
1567 if i.cfg.Extensions != nil && i.cfg.Extensions.HasCommand(extName) {
1568 go i.invokeExtensionCommand(ctx, extName, rest)
1569 return false
1570 }
1571 i.mu.Lock()
1572 i.statusErr = "unknown command " + head + " — type /help to see the list"
1573 i.statusOK = ""
1574 i.mu.Unlock()
1575 return false
1576 }
1577 // Slash commands run regardless of busy state. Commands that
1578 // would mutate the transcript or replace the agent (/clear,
1579 // /compact, /logout, /login, /model) cancel the active turn
1580 // first and wait for the goroutine to wind down so they don't
1581 // race with a streaming response. Safe commands (/help,
1582 // /jump, /sessions, /jail, /unjail, /exit) run immediately
1583 // without disturbing the active turn.
1584 if slashCancelsTurn(head) {
1585 i.cancelAndWaitForIdle()
1586 }
1587 return i.runSlash(ctx, text)
1588 }
1589
1590 if i.agent == nil {
1591 i.mu.Lock()
1592 i.statusErr = "not logged in. type /login first."
1593 i.mu.Unlock()
1594 return false
1595 }
1596 // Mirror the user's typed prompt into the paired Telegram
1597 // chat (when the bridge is active) so the Telegram thread
1598 // stays a complete record of the session, not just the half
1599 // that originated on the phone. On a goroutine so the
1600 // network write doesn't delay the local turn.
1601 if i.telegramBridge != nil && i.telegramBridge.Active() {
1602 go i.telegramBridge.OnUserTyped(text)
1603 }
1604 // If a turn is already in flight, queue this prompt instead of
1605 // starting a second one. The drain loop at the end of startTurn
1606 // will pick it up when the current turn finishes.
1607 i.mu.Lock()
1608 if i.busy {
1609 i.queued = append(i.queued, text)
1610 i.mu.Unlock()
1611 i.invalidate()
1612 return false
1613 }
1614 i.mu.Unlock()
1615 i.startTurn(ctx, text)
1616 }
1617 return false
1618}
1619
1620// invokeExtensionCommand fires an extension-registered slash command
1621// in a background goroutine, awaits the response, and applies the
1622// requested action (prompt / insert / display / noop). Errors and
1623// timeouts surface as a status_err line.
1624func (i *Interactive) invokeExtensionCommand(ctx context.Context, name, args string) {
1625 resp, err := i.cfg.Extensions.Invoke(ctx, name, args, 30*time.Second)
1626 if err != nil {
1627 i.mu.Lock()
1628 i.statusErr = "extension /" + name + ": " + err.Error()
1629 i.statusOK = ""
1630 i.mu.Unlock()
1631 i.invalidate()
1632 return
1633 }
1634 if resp.Error != "" {
1635 i.mu.Lock()
1636 i.statusErr = "extension /" + name + ": " + resp.Error
1637 i.statusOK = ""
1638 i.mu.Unlock()
1639 i.invalidate()
1640 return
1641 }
1642 switch resp.Action {
1643 case "open_panel":
1644 if resp.OpenPanel != nil {
1645 extName := name
1646 if i.cfg.Extensions != nil {
1647 if owner := i.cfg.Extensions.CommandOwner(name); owner != "" {
1648 extName = owner
1649 }
1650 }
1651 i.OpenPanel(extName, *resp.OpenPanel)
1652 }
1653 case "prompt":
1654 if strings.TrimSpace(resp.Prompt) == "" {
1655 return
1656 }
1657 i.startTurn(i.runCtx, resp.Prompt)
1658 case "insert":
1659 i.ed.Insert(resp.Insert)
1660 i.invalidate()
1661 case "display":
1662 i.appendExtensionNote(name, resp.Display, "info")
1663 case "noop", "":
1664 // nothing
1665 default:
1666 i.mu.Lock()
1667 i.statusErr = "extension /" + name + ": unknown action " + resp.Action
1668 i.mu.Unlock()
1669 i.invalidate()
1670 }
1671}
1672
1673// appendExtensionNote renders an extension-originated note in the
1674// chat. Levels: "info" (muted), "warn" (warning), "error" (error),
1675// "success" (tool/ok green).
1676func (i *Interactive) appendExtensionNote(extName, msg, level string) {
1677 if msg == "" {
1678 return
1679 }
1680 i.mu.Lock()
1681 defer i.mu.Unlock()
1682 color := i.cfg.Theme.Muted
1683 switch level {
1684 case "warn":
1685 color = i.cfg.Theme.Warning
1686 case "error":
1687 color = i.cfg.Theme.Error
1688 case "success":
1689 color = i.cfg.Theme.Tool
1690 }
1691 prefix := i.cfg.Theme.FG256(i.cfg.Theme.Accent, "["+extName+"] ")
1692 for _, line := range strings.Split(msg, "\n") {
1693 i.statusOK = "" // clear any stale ok
1694 i.statusErr = ""
1695 i.extNotes = append(i.extNotes, prefix+i.cfg.Theme.FG256(color, line))
1696 }
1697}
1698
1699// HostHooks implementation for the extension manager. The manager
1700// holds an interface, not a concrete *Interactive, so these methods
1701// are the only thing the manager sees.
1702
1703// Notify is the manager's NotifyFromExt entry point.
1704func (i *Interactive) Notify(extName, level, message string) {
1705 i.appendExtensionNote(extName, message, level)
1706 i.invalidate()
1707}
1708
1709// Submit feeds text through the agent loop as if the user had typed it.
1710func (i *Interactive) Submit(text string) {
1711 i.startTurn(i.runCtx, text)
1712}
1713
1714// SubmitOrQueue runs text immediately if the agent is idle, or
1715// appends it to the pending queue if a turn is already in flight.
1716// Used by the telegram bridge (and by the editor submit path) so
1717// both input sources share the same "queue behind an active turn"
1718// semantics. Images are ignored for now — only the text prompt is
1719// forwarded — because the queued-prompt path is text-only; a
1720// follow-up can expand the queue entry to carry images.
1721func (i *Interactive) SubmitOrQueue(text string, images []provider.ImageBlock) {
1722 i.mu.Lock()
1723 if i.agent == nil {
1724 i.statusErr = "not logged in. type /login first."
1725 i.mu.Unlock()
1726 i.invalidate()
1727 return
1728 }
1729 if i.busy {
1730 // Queue text only; images are dropped for queued prompts.
1731 i.queued = append(i.queued, text)
1732 i.mu.Unlock()
1733 i.invalidate()
1734 return
1735 }
1736 i.mu.Unlock()
1737 i.startTurnWithImages(i.runCtx, text, images)
1738}
1739
1740// CancelTurn aborts the active turn if one is running. Used by the
1741// telegram bridge when the paired user sends /stop.
1742// ChangelogVersion returns the version string of the changelog
1743// currently shown (or last shown). Used by the dismiss callback
1744// to store the correct version for dev builds.
1745func (i *Interactive) ChangelogVersion() string {
1746 if i.changelogDialog != nil {
1747 return i.changelogDialog.version
1748 }
1749 return ""
1750}
1751
1752func (i *Interactive) CancelTurn() {
1753 i.mu.Lock()
1754 cancel := i.cancelTurn
1755 i.mu.Unlock()
1756 if cancel != nil {
1757 cancel()
1758 }
1759}
1760
1761// Insert places text at the cursor in the editor.
1762func (i *Interactive) Insert(text string) {
1763 i.ed.Insert(text)
1764 i.invalidate()
1765}
1766
1767// Display appends a styled note from extName to the chat without a
1768// model call.
1769func (i *Interactive) Display(extName, text string) {
1770 i.appendExtensionNote(extName, text, "info")
1771 i.invalidate()
1772}
1773
1774func (i *Interactive) OpenPanel(extName string, spec extproto.PanelSpec) {
1775 i.mu.Lock()
1776 defer i.mu.Unlock()
1777 i.extPanel.Open(extName, spec.ID, spec.Title, spec.Lines, spec.Footer)
1778 if i.cfg.Extensions != nil {
1779 cols, rows := i.cfg.Terminal.Size()
1780 _ = cols
1781 _ = rows
1782 }
1783 i.invalidate()
1784}
1785
1786func (i *Interactive) UpdatePanel(extName, panelID, title string, lines []string, footer string) {
1787 i.mu.Lock()
1788 defer i.mu.Unlock()
1789 if i.extPanel.Active() && i.extPanel.ext == extName && i.extPanel.id == panelID {
1790 i.extPanel.Update(title, lines, footer)
1791 i.invalidate()
1792 }
1793}
1794
1795func (i *Interactive) ClosePanel(extName, panelID string) {
1796 i.mu.Lock()
1797 defer i.mu.Unlock()
1798 if i.extPanel.Active() && i.extPanel.ext == extName && i.extPanel.id == panelID {
1799 i.extPanel.Close()
1800 i.invalidate()
1801 }
1802}
1803
1804func (i *Interactive) runSlash(ctx context.Context, cmd string) (done bool) {
1805 parts := strings.Fields(cmd)
1806 switch parts[0] {
1807 case "/exit":
1808 return true
1809 case "/clear":
1810 if i.agent != nil {
1811 i.agent.SetMessages(nil)
1812 }
1813 i.mu.Lock()
1814 i.toolCalls = map[string]*tui.ToolCallView{}
1815 i.toolOrder = nil
1816 i.statusErr = ""
1817 i.statusOK = ""
1818 i.helpBlock = nil
1819 i.parkedTurn = 0
1820 i.parkedTotal = 0
1821 i.scrollOffset = 0
1822 i.extNotes = nil
1823 i.view.InvalidateRenderCache()
1824 i.mu.Unlock()
1825 case "/help":
1826 i.mu.Lock()
1827 i.helpBlock = renderHelpBlock(i.cfg.Theme, i.lastCols())
1828 i.statusErr = ""
1829 i.statusOK = ""
1830 // Pin the viewport to the newest content so the help block,
1831 // which we just appended to the end of the transcript, is
1832 // what the user actually sees.
1833 i.scrollOffset = 0
1834 i.mu.Unlock()
1835 case "/login":
1836 i.dialog.Open(i.cfg.ZotHome)
1837 case "/logout":
1838 if len(parts) >= 2 {
1839 // Explicit target: /logout anthropic | openai | all
1840 i.doLogout(parts[1])
1841 break
1842 }
1843 // No arg: open the picker over whichever providers are
1844 // currently logged in. If nothing's logged in, bail with a
1845 // status line.
1846 i.openLogoutDialog()
1847 case "/model":
1848 if len(parts) >= 2 {
1849 i.applyModelSelection("", parts[1])
1850 } else {
1851 var loggedIn []string
1852 if i.cfg.LoggedInProviders != nil {
1853 loggedIn = i.cfg.LoggedInProviders()
1854 }
1855 i.modelDialog.Open(i.cfg.Model, loggedIn)
1856 }
1857 case "/sessions":
1858 i.sessionDialog.Open(i.cfg.ZotHome, i.cfg.CWD)
1859 case "/jump":
1860 i.openJumpDialog(parts[1:])
1861 case "/btw":
1862 i.openBtwDialog(parts[1:])
1863 case "/skills":
1864 i.openSkillsDialog()
1865 case "/compact":
1866 i.runCompact(ctx, false)
1867 case "/study":
1868 // Canned prompt that tells the agent to read every file
1869 // in the current directory so its later turns have the
1870 // whole project in context. Dispatched through the normal
1871 // queue-or-start path so it behaves identically to
1872 // typing the prompt by hand.
1873 const studyPrompt = "Read and understand everything in the current directory."
1874 i.mu.Lock()
1875 if i.busy {
1876 i.queued = append(i.queued, studyPrompt)
1877 i.mu.Unlock()
1878 i.invalidate()
1879 break
1880 }
1881 i.mu.Unlock()
1882 i.startTurn(ctx, studyPrompt)
1883 case "/jail":
1884 if i.cfg.Sandbox == nil {
1885 i.mu.Lock()
1886 i.statusErr = "sandbox not available in this build"
1887 i.mu.Unlock()
1888 break
1889 }
1890 i.cfg.Sandbox.Lock()
1891 i.mu.Lock()
1892 i.statusOK = "jailed to " + i.cfg.CWD + " (tools cannot touch paths outside this directory)"
1893 i.statusErr = ""
1894 i.mu.Unlock()
1895 case "/unjail":
1896 if i.cfg.Sandbox == nil {
1897 i.mu.Lock()
1898 i.statusErr = "sandbox not available in this build"
1899 i.mu.Unlock()
1900 break
1901 }
1902 i.cfg.Sandbox.Unlock()
1903 i.mu.Lock()
1904 i.statusOK = "unjailed"
1905 i.statusErr = ""
1906 i.mu.Unlock()
1907 case "/reload-ext":
1908 i.runReloadExt(ctx)
1909 case "/yolo":
1910 i.runYoloOn()
1911 case "/telegram", "/tg":
1912 if len(parts) >= 2 {
1913 i.doTelegram(parts[1])
1914 break
1915 }
1916 i.openTelegramDialog()
1917 case "/session":
1918 if len(parts) >= 2 {
1919 action := parts[1]
1920 arg := ""
1921 if len(parts) >= 3 {
1922 arg = strings.Join(parts[2:], " ")
1923 }
1924 i.doSessionOp(action, arg)
1925 break
1926 }
1927 i.openSessionOpsDialog()
1928 default:
1929 // Last-resort fallback: try the extension manager. Built-in
1930 // cases above always win; this branch only fires for slash
1931 // commands the extension manager registered. Same routing as
1932 // the editor's submit-handler dispatch path so the autocomplete
1933 // "enter on highlighted suggestion" flow also works.
1934 extName := strings.TrimPrefix(parts[0], "/")
1935 if i.cfg.Extensions != nil && i.cfg.Extensions.HasCommand(extName) {
1936 rest := ""
1937 if len(parts) > 1 {
1938 rest = strings.Join(parts[1:], " ")
1939 }
1940 go i.invokeExtensionCommand(ctx, extName, rest)
1941 return false
1942 }
1943 i.mu.Lock()
1944 i.statusErr = "unknown command: " + parts[0]
1945 i.mu.Unlock()
1946 }
1947 return false
1948}
1949
1950// openLogoutDialog shows the provider picker for `/logout` with no
1951// argument. Only providers the user is currently logged into are
1952// listed, plus an "all" entry when more than one is present. If
1953// nothing's logged in, writes a status line instead of opening an
1954// empty dialog.
1955func (i *Interactive) openLogoutDialog() {
1956 if i.cfg.AuthManager == nil {
1957 i.mu.Lock()
1958 i.statusErr = "no auth manager configured"
1959 i.mu.Unlock()
1960 i.invalidate()
1961 return
1962 }
1963 store := i.cfg.AuthManager.Store()
1964 if store == nil {
1965 i.mu.Lock()
1966 i.statusErr = "auth store is not available"
1967 i.mu.Unlock()
1968 i.invalidate()
1969 return
1970 }
1971 creds, err := store.Load()
1972 if err != nil {
1973 i.mu.Lock()
1974 i.statusErr = "read auth store: " + err.Error()
1975 i.mu.Unlock()
1976 i.invalidate()
1977 return
1978 }
1979
1980 var items []logoutItem
1981 for _, p := range []string{"anthropic", "openai"} {
1982 if creds.Has(p) {
1983 method := creds.Method(p)
1984 if method == "oauth" {
1985 method = "subscription"
1986 }
1987 items = append(items, logoutItem{
1988 label: providerLabel(p),
1989 target: p,
1990 method: method,
1991 })
1992 }
1993 }
1994 if len(items) == 0 {
1995 i.mu.Lock()
1996 i.statusOK = "no credentials stored; already logged out"
1997 i.statusErr = ""
1998 i.mu.Unlock()
1999 i.invalidate()
2000 return
2001 }
2002 if len(items) > 1 {
2003 items = append(items, logoutItem{label: "all", target: "all"})
2004 }
2005
2006 i.logoutDialog.Open(items)
2007 i.invalidate()
2008}
2009
2010// doLogout clears credentials for the given provider (or all providers)
2011// from auth.json. If the active agent was using those credentials, it
2012// is torn down so the user is forced through /login before their next
2013// prompt.
2014//
2015// target: "anthropic" | "openai" | "all"
2016func (i *Interactive) doLogout(target string) {
2017 if i.cfg.AuthManager == nil {
2018 i.mu.Lock()
2019 i.statusErr = "no auth manager configured"
2020 i.mu.Unlock()
2021 return
2022 }
2023 store := i.cfg.AuthManager.Store()
2024 if store == nil {
2025 i.mu.Lock()
2026 i.statusErr = "auth store is not available"
2027 i.mu.Unlock()
2028 return
2029 }
2030
2031 var providers []string
2032 switch target {
2033 case "", "all":
2034 providers = []string{"anthropic", "openai"}
2035 case "anthropic", "openai":
2036 providers = []string{target}
2037 default:
2038 i.mu.Lock()
2039 i.statusErr = "unknown provider: " + target + " (use anthropic, openai, or all)"
2040 i.mu.Unlock()
2041 return
2042 }
2043
2044 var errs []string
2045 clearedCurrent := false
2046 for _, p := range providers {
2047 if err := store.Clear(p); err != nil {
2048 errs = append(errs, p+": "+err.Error())
2049 continue
2050 }
2051 if p == i.cfg.Provider {
2052 clearedCurrent = true
2053 }
2054 }
2055
2056 i.mu.Lock()
2057 defer i.mu.Unlock()
2058 if len(errs) > 0 {
2059 i.statusErr = "logout errors: " + strings.Join(errs, "; ")
2060 return
2061 }
2062 i.statusErr = ""
2063 if clearedCurrent {
2064 // The running agent was using a credential we just wiped. Drop
2065 // it so prompts can't go out with the stale client, and hint at
2066 // /login.
2067 i.agent = nil
2068 i.statusOK = "logged out of " + strings.Join(providers, ", ") + ". type /login to sign back in."
2069 } else {
2070 i.statusOK = "logged out of " + strings.Join(providers, ", ")
2071 }
2072}
2073
2074func (i *Interactive) startAPIKeyFlow(provider string) {
2075 url, err := i.cfg.AuthManager.StartAPIKey(provider)
2076 if err != nil {
2077 i.dialog.ShowResult(false, err.Error())
2078 return
2079 }
2080 i.dialog.ShowWaiting(url)
2081}
2082
2083func (i *Interactive) startOAuthFlow(provider string) {
2084 // Always run the manual/copy-code flow in parallel with the local
2085 // callback server so headless environments (docker, SSH) can paste
2086 // the authorization code directly without first pressing 'p'.
2087 _, err := i.cfg.AuthManager.StartOAuth(provider)
2088 if err != nil {
2089 i.dialog.ShowResult(false, err.Error())
2090 return
2091 }
2092 manualURL, mErr := i.cfg.AuthManager.StartManualOAuth(provider)
2093 if mErr == nil {
2094 i.dialog.ShowWaiting(manualURL)
2095 } else {
2096 i.dialog.ShowResult(false, mErr.Error())
2097 }
2098}
2099
2100func (i *Interactive) startManualOAuthFlow(provider string) {
2101 if i.cfg.AuthManager == nil {
2102 return
2103 }
2104 i.cfg.AuthManager.CancelOAuth()
2105 url, err := i.cfg.AuthManager.StartManualOAuth(provider)
2106 if err != nil {
2107 i.dialog.ShowResult(false, err.Error())
2108 return
2109 }
2110 i.dialog.url = url
2111 i.invalidate()
2112}
2113
2114func (i *Interactive) submitManualOAuthCode(code string) {
2115 if i.cfg.AuthManager == nil {
2116 return
2117 }
2118 go func() {
2119 if err := i.cfg.AuthManager.CompleteManualOAuth(i.runCtx, code); err != nil {
2120 i.dialog.ShowResult(false, err.Error())
2121 i.invalidate()
2122 }
2123 }()
2124}
2125
2126// applyModelSelection switches the active model (and provider, if the
2127// new model belongs to a different one). It rebuilds the underlying
2128// client when needed so the provider wire-protocol matches.
2129// cancelAndWaitForIdle cancels the active turn (if any) and blocks
2130// briefly until the turn goroutine has updated i.busy = false. Used
2131// before destructive slash commands so transcript-mutating work
2132// (/clear, /compact, /logout, /login completion, cross-provider
2133// /model swap) doesn't race with the still-running stream.
2134//
2135// The wait is bounded; if the turn doesn't release within the timeout
2136// we proceed anyway. Worst case is a brief overlap that the agent's
2137// own mutex protects against.
2138func (i *Interactive) cancelAndWaitForIdle() {
2139 i.mu.Lock()
2140 busy := i.busy
2141 cancel := i.cancelTurn
2142 i.mu.Unlock()
2143 if !busy {
2144 return
2145 }
2146 if cancel != nil {
2147 cancel()
2148 }
2149 deadline := time.Now().Add(2 * time.Second)
2150 for time.Now().Before(deadline) {
2151 i.mu.Lock()
2152 done := !i.busy
2153 i.mu.Unlock()
2154 if done {
2155 return
2156 }
2157 time.Sleep(10 * time.Millisecond)
2158 }
2159}
2160
2161// openBtwDialog opens the side-chat overlay with a frozen snapshot
2162// of the current main session. The optional argument is auto-
2163// submitted as the first question, so '/btw does X work?' fires the
2164// model call immediately instead of just opening an empty dialog.
2165func (i *Interactive) openBtwDialog(args []string) {
2166 if i.agent == nil {
2167 i.mu.Lock()
2168 i.statusErr = "not logged in. type /login first."
2169 i.mu.Unlock()
2170 return
2171 }
2172 seed := strings.TrimSpace(strings.Join(args, " "))
2173 i.btwDialog.Open(i.cfg.Theme, i.agent, i.agent.System, i.cfg.Model, seed, i.invalidate)
2174 i.invalidate()
2175}
2176
2177// openSkillsDialog opens the skill inspector. The picker reflects
2178// whatever SkillSnapshot returns at call time, so edits to a
2179// SKILL.md made during a session show up on the next /skills.
2180func (i *Interactive) openSkillsDialog() {
2181 var list []*skills.Skill
2182 if i.cfg.SkillSnapshot != nil {
2183 list = i.cfg.SkillSnapshot()
2184 }
2185 i.skillsDialog.Open(list)
2186 i.invalidate()
2187}
2188
2189// openJumpDialog builds a /jump picker from the current transcript.
2190// If the user typed "/jump foo" with a filter and it matches exactly
2191// one turn, jump there directly without showing the dialog.
2192func (i *Interactive) openJumpDialog(args []string) {
2193 if i.view == nil || len(i.view.Messages) == 0 {
2194 i.mu.Lock()
2195 i.statusErr = "nothing to jump to \u2014 the session is empty"
2196 i.mu.Unlock()
2197 return
2198 }
2199 filter := strings.TrimSpace(strings.Join(args, " "))
2200 i.jumpDialog.Open(i.view.Messages, filter)
2201 // Shortcut: with a filter argument that matches exactly one turn,
2202 // jump immediately and skip the picker.
2203 if filter != "" {
2204 if tgts := i.jumpDialog.Targets(); len(tgts) == 1 {
2205 t := tgts[0]
2206 i.jumpDialog.Close()
2207 i.applyJumpSelection(t.MessageIdx, t.TurnNo)
2208 }
2209 }
2210}
2211
2212// applyJumpSelection scrolls the chat viewport so the user message at
2213// msgIdx is visible at (or near) the top of the chat area. Uses the
2214// anchor slice returned by view.BuildWithAnchors so the mapping from
2215// message index to row is exact, regardless of variable-height tool
2216// blocks above the target.
2217func (i *Interactive) applyJumpSelection(msgIdx, turnNo int) {
2218 cols := i.lastCols()
2219 chat, anchors := i.view.BuildWithAnchors(cols)
2220 var row int
2221 found := false
2222 for _, a := range anchors {
2223 if a.MessageIdx == msgIdx {
2224 row = a.Row
2225 found = true
2226 break
2227 }
2228 }
2229 if !found {
2230 i.mu.Lock()
2231 i.statusErr = "could not resolve jump target"
2232 i.mu.Unlock()
2233 return
2234 }
2235
2236 chatLen := len(chat)
2237 page := i.chatPage()
2238 if page < 1 {
2239 page = 1
2240 }
2241 // scrollOffset is measured from the bottom of the chat slice, so
2242 // to place `row` at the top of the viewport we want:
2243 // chatLen - scrollOffset - page == row
2244 // Solve for scrollOffset and clamp to [0, chatLen-page].
2245 offset := chatLen - (row + page)
2246 if offset < 0 {
2247 offset = 0
2248 }
2249 maxOffset := chatLen - page
2250 if maxOffset < 0 {
2251 maxOffset = 0
2252 }
2253 if offset > maxOffset {
2254 offset = maxOffset
2255 }
2256
2257 i.mu.Lock()
2258 i.scrollOffset = offset
2259 i.parkedTurn = turnNo
2260 i.parkedTotal = totalTurnsLocked(i.view.Messages)
2261 i.statusOK = fmt.Sprintf("jumped to turn %d", turnNo)
2262 i.statusErr = ""
2263 i.mu.Unlock()
2264}
2265
2266// totalTurnsLocked counts user messages in the transcript. Caller is
2267// assumed to hold i.mu (the name is a mild reminder; this function
2268// itself doesn't touch shared state beyond the slice it's handed).
2269func totalTurnsLocked(msgs []provider.Message) int {
2270 n := 0
2271 for _, m := range msgs {
2272 if m.Role == provider.RoleUser {
2273 n++
2274 }
2275 }
2276 return n
2277}
2278
2279// applySessionSelection loads the given session via the cli-provided
2280// callback and snaps the viewport to the bottom (the latest message)
2281// so the user lands at the live tail of the resumed conversation.
2282func (i *Interactive) applySessionSelection(path string) {
2283 if i.cfg.LoadSession == nil {
2284 i.mu.Lock()
2285 i.statusErr = "session loading is not wired in this build"
2286 i.mu.Unlock()
2287 return
2288 }
2289 if err := i.cfg.LoadSession(path); err != nil {
2290 i.mu.Lock()
2291 i.statusErr = err.Error()
2292 i.mu.Unlock()
2293 return
2294 }
2295
2296 i.mu.Lock()
2297 i.statusOK = "resumed session: " + path
2298 i.statusErr = ""
2299 i.parkedTurn = 0
2300 i.parkedTotal = 0
2301 i.view.InvalidateRenderCache()
2302 if i.agent != nil {
2303 i.view.Messages = i.agent.Messages()
2304 i.cumUsage = i.agent.Cost()
2305 }
2306 i.mu.Unlock()
2307
2308 i.scrollToBottom()
2309}
2310
2311// scrollToLastTurn parks the viewport at the most recent user turn,
2312// or at the top if the transcript has no user messages. Used after
2313// resume so the user lands looking at where they left off.
2314func (i *Interactive) scrollToLastTurn(msgs []provider.Message) {
2315 if len(msgs) == 0 {
2316 i.mu.Lock()
2317 i.scrollOffset = 0
2318 i.mu.Unlock()
2319 return
2320 }
2321 // Find the last user message index.
2322 lastUser := -1
2323 turnNo, totalTurns := 0, 0
2324 for idx, m := range msgs {
2325 if m.Role == provider.RoleUser {
2326 totalTurns++
2327 lastUser = idx
2328 }
2329 }
2330 if lastUser < 0 {
2331 i.mu.Lock()
2332 i.scrollOffset = 0
2333 i.mu.Unlock()
2334 return
2335 }
2336 turnNo = totalTurns
2337
2338 cols := i.lastCols()
2339 chat, anchors := i.view.BuildWithAnchors(cols)
2340 var row int
2341 found := false
2342 for _, a := range anchors {
2343 if a.MessageIdx == lastUser {
2344 row = a.Row
2345 found = true
2346 break
2347 }
2348 }
2349 if !found {
2350 i.mu.Lock()
2351 i.scrollOffset = 0
2352 i.mu.Unlock()
2353 return
2354 }
2355
2356 chatLen := len(chat)
2357 page := i.chatPage()
2358 if page < 1 {
2359 page = 1
2360 }
2361 offset := chatLen - (row + page)
2362 if offset < 0 {
2363 offset = 0
2364 }
2365 maxOffset := chatLen - page
2366 if maxOffset < 0 {
2367 maxOffset = 0
2368 }
2369 if offset > maxOffset {
2370 offset = maxOffset
2371 }
2372
2373 i.mu.Lock()
2374 i.scrollOffset = offset
2375 // Mark the parked-turn footer so the user sees "viewing turn N of
2376 // M - pgdn to catch up" — same affordance as /jump. Tells them at
2377 // a glance that they're looking at history, not the live tail.
2378 if offset > 0 {
2379 i.parkedTurn = turnNo
2380 i.parkedTotal = totalTurns
2381 }
2382 i.mu.Unlock()
2383 i.invalidate()
2384}
2385
2386func (i *Interactive) applyModelSelection(prov, model string) {
2387 if model == "" {
2388 return
2389 }
2390 m, err := provider.FindModel(prov, model)
2391 if err != nil {
2392 i.mu.Lock()
2393 i.statusErr = err.Error()
2394 i.mu.Unlock()
2395 return
2396 }
2397 // Same provider? Just swap the model on the existing agent.
2398 if i.agent != nil && m.Provider == i.cfg.Provider {
2399 i.mu.Lock()
2400 i.cfg.Model = m.ID
2401 i.agent.Model = m.ID
2402 i.statusOK = "model: " + m.ID
2403 i.statusErr = ""
2404 i.mu.Unlock()
2405 if i.cfg.PersistModel != nil {
2406 i.cfg.PersistModel(i.cfg.Provider, m.ID)
2407 }
2408 return
2409 }
2410 // Different provider: rebuild agent (needs credentials for target provider).
2411 if i.cfg.BuildAgentFor == nil {
2412 i.mu.Lock()
2413 i.statusErr = "cannot switch provider: no builder configured"
2414 i.mu.Unlock()
2415 return
2416 }
2417 // Snapshot the current transcript and cumulative usage BEFORE we
2418 // build the replacement agent so we can hand them off. Without
2419 // this the user perceives the entire session as wiped on a
2420 // cross-provider /model swap.
2421 var carryMsgs []provider.Message
2422 var carryCost provider.Usage
2423 if i.agent != nil {
2424 carryMsgs = i.agent.Messages()
2425 carryCost = i.agent.Cost()
2426 }
2427
2428 ag, p, md, err := i.cfg.BuildAgentFor(m.Provider, m.ID)
2429 if err != nil {
2430 i.mu.Lock()
2431 i.statusErr = err.Error()
2432 i.mu.Unlock()
2433 return
2434 }
2435
2436 // Replay the transcript and seed the cost on the freshly-built
2437 // agent. Messages travel cleanly between providers because they
2438 // use the same provider.Message shape; tool-call ids are local
2439 // to a turn so cross-provider continuation never confuses the
2440 // new model (it just sees the assistant's reply, no orphan
2441 // tool_use blocks because /model swaps are gated to idle state).
2442 if len(carryMsgs) > 0 {
2443 ag.SetMessages(carryMsgs)
2444 }
2445 ag.SeedCost(carryCost)
2446
2447 i.mu.Lock()
2448 i.agent = ag
2449 i.cfg.Provider = p
2450 i.cfg.Model = md
2451 i.statusOK = "switched to " + p + " / " + md
2452 i.statusErr = ""
2453 // Render cache keys are width+content based, so the new agent's
2454 // identical messages will reuse the existing entries. Nothing
2455 // to invalidate.
2456 i.mu.Unlock()
2457 if i.cfg.PersistModel != nil {
2458 i.cfg.PersistModel(p, md)
2459 }
2460}
2461
2462func (i *Interactive) handleAuthEvent(ev auth.Event) {
2463 switch ev.Kind {
2464 case "started":
2465 i.dialog.ShowWaiting(ev.URL)
2466 case "browser_open":
2467 // no-op
2468 case "error":
2469 i.dialog.ShowResult(false, ev.Message)
2470 case "success":
2471 // Rebuild the agent with the fresh credential.
2472 ag, prov, model, err := i.cfg.BuildAgent()
2473 if err != nil {
2474 i.dialog.ShowResult(false, err.Error())
2475 return
2476 }
2477 i.mu.Lock()
2478 i.agent = ag
2479 i.cfg.Provider = prov
2480 i.cfg.Model = model
2481 i.statusErr = ""
2482 i.statusOK = "logged in to " + ev.Provider + " via " + ev.Method
2483 i.mu.Unlock()
2484 i.dialog.ShowResult(true, "")
2485 }
2486}
2487
2488// runCompact invokes core.Agent.Compact and reflects the progress in
2489// the tui. It runs in a goroutine so the ui stays responsive; esc/ctrl+c
2490// cancel via the same cancelTurn channel used for normal turns.
2491//
2492// When auto is true the spinner message is pinned to "condensing
2493// history" and the status bar surfaces "(auto)" next to the context
2494// percentage so it's obvious the system triggered this, not the user.
2495func (i *Interactive) runCompact(parent context.Context, auto bool) {
2496 if i.agent == nil {
2497 i.mu.Lock()
2498 i.statusErr = "not logged in. type /login first."
2499 i.mu.Unlock()
2500 return
2501 }
2502 ctx, cancel := context.WithCancel(parent)
2503 i.mu.Lock()
2504 i.busy = true
2505 if auto {
2506 i.spin.StartFixed("condensing history")
2507 i.autoCompacting = true
2508 } else {
2509 i.spin.StartFixed("compacting")
2510 }
2511 i.cancelTurn = cancel
2512 i.statusErr = ""
2513 i.statusOK = ""
2514 // Do NOT set streamOn: the summary text should not be visible
2515 // in the chat while compacting. The user just sees the spinner
2516 // and can keep typing / queue prompts.
2517 i.scrollOffset = 0
2518 i.helpBlock = nil
2519 i.mu.Unlock()
2520 i.invalidate()
2521
2522 go func() {
2523 // Sink discards deltas — we don't stream the summary to the UI.
2524 sink := func(delta string) {}
2525 summary, err := i.agent.Compact(ctx, 4, sink)
2526 _ = summary
2527 i.mu.Lock()
2528 i.busy = false
2529 i.resetStreamingStateLocked()
2530 i.cancelTurn = nil
2531 i.autoCompacting = false
2532
2533 // Drain the queue: if the user typed a prompt while compacting,
2534 // fire it now that the transcript is clean.
2535 var next string
2536 var hasNext bool
2537
2538 switch {
2539 case err != nil && ctx.Err() != nil:
2540 i.statusErr = ""
2541 if auto {
2542 i.statusOK = "auto-condense cancelled"
2543 } else {
2544 i.statusOK = "compaction cancelled"
2545 }
2546 i.queued = nil // drop queue on cancel
2547 case err != nil:
2548 i.statusErr = "compaction failed: " + err.Error()
2549 i.statusOK = ""
2550 i.queued = nil // drop queue on error
2551 default:
2552 i.statusErr = ""
2553 // Read token count from the compaction message meta.
2554 tokens := ""
2555 msgs := i.agent.Messages()
2556 if len(msgs) > 0 && msgs[0].Meta["compaction"] == "true" {
2557 tokens = msgs[0].Meta["tokens_before"]
2558 }
2559 if tokens != "" {
2560 i.statusOK = fmt.Sprintf("compacted from ~%s tokens (ctrl+o to expand)", tokens)
2561 } else {
2562 i.statusOK = "compacted (ctrl+o to expand)"
2563 }
2564 i.lastCtxInput = 0
2565 i.toolCalls = map[string]*tui.ToolCallView{}
2566 i.toolOrder = nil
2567 i.view.InvalidateRenderCache()
2568 // Pop queued prompt if any.
2569 if len(i.queued) > 0 {
2570 next, i.queued = i.queued[0], i.queued[1:]
2571 hasNext = true
2572 }
2573 }
2574 i.mu.Unlock()
2575 i.invalidate()
2576
2577 if hasNext {
2578 p := i.runCtx
2579 if p == nil {
2580 p = context.Background()
2581 }
2582 i.startTurn(p, next)
2583 }
2584 }()
2585}
2586
2587func (i *Interactive) startTurn(parent context.Context, prompt string) {
2588 i.startTurnWithImages(parent, prompt, nil)
2589}
2590
2591func (i *Interactive) startTurnWithImages(parent context.Context, prompt string, images []provider.ImageBlock) {
2592 if i.agent == nil {
2593 return
2594 }
2595 ctx, cancel := context.WithCancel(parent)
2596 i.mu.Lock()
2597 i.busy = true
2598 i.spin.Start()
2599 i.cancelTurn = cancel
2600 i.statusErr = ""
2601 i.statusOK = ""
2602 i.streaming.Reset()
2603 i.streamOn = true
2604 i.toolCalls = map[string]*tui.ToolCallView{}
2605 i.toolOrder = nil
2606 i.scrollOffset = 0 // jump back to the bottom on new turn
2607 i.parkedTurn = 0 // starting a turn clears the /jump parked state
2608 i.parkedTotal = 0
2609 i.helpBlock = nil // hide the help block once the user asks something
2610 i.mu.Unlock()
2611 i.invalidate()
2612
2613 sink := func(ev core.AgentEvent) {
2614 i.handleEvent(ev)
2615 i.invalidate()
2616 }
2617
2618 go func() {
2619 err := i.agent.Prompt(ctx, prompt, images, sink)
2620 i.mu.Lock()
2621 i.busy = false
2622 // Don't touch streamPending / streamFlushPending here — the
2623 // pacer may still be draining the final deltas and needs to
2624 // paint them even though Prompt has returned. It will reset
2625 // streamOn on its own once the buffer empties.
2626 if len(i.streamPending) == 0 {
2627 i.streamOn = false
2628 }
2629 i.cancelTurn = nil
2630 if err != nil && ctx.Err() == nil {
2631 i.statusErr = err.Error()
2632 }
2633 // Persist the assistant's reply (and every tool row before
2634 // it) to the session file while the turn memory is hot.
2635 // Without this, WriteNewTranscript only fires at zot exit,
2636 // meaning a crash or ungraceful kill drops the whole
2637 // conversation. FlushSession is idempotent (it advances the
2638 // baseline so subsequent flushes only write new rows).
2639 flush := i.cfg.FlushSession
2640 i.mu.Unlock()
2641 if flush != nil {
2642 flush()
2643 }
2644 i.mu.Lock()
2645 // Pop the next queued message, if any, and relaunch.
2646 var next string
2647 var hasNext bool
2648 if len(i.queued) > 0 && ctx.Err() == nil && err == nil {
2649 next, i.queued = i.queued[0], i.queued[1:]
2650 hasNext = true
2651 }
2652 // If the turn was cancelled or errored, drop the queue so the
2653 // user isn't bombarded with stale messages after an interrupt.
2654 if ctx.Err() != nil || err != nil {
2655 i.queued = nil
2656 }
2657 // Decide whether the next thing to do is an auto-compaction.
2658 // Only fires when the turn completed cleanly AND the queue is
2659 // empty (otherwise a queued message would race the condense).
2660 shouldAutoCompact := !hasNext && err == nil && ctx.Err() == nil && i.shouldAutoCompactLocked()
2661 i.mu.Unlock()
2662 i.invalidate()
2663 parent := i.runCtx
2664 if parent == nil {
2665 parent = context.Background()
2666 }
2667 switch {
2668 case hasNext:
2669 i.startTurn(parent, next)
2670 case shouldAutoCompact:
2671 i.runCompact(parent, true)
2672 }
2673 }()
2674}
2675
2676// autoCompactThreshold is the context-window fraction at which the
2677// agent will auto-compact after a turn ends. 0.85 leaves enough
2678// headroom for one more user prompt + response before we bump the
2679// hard limit.
2680const autoCompactThreshold = 0.85
2681
2682// shouldAutoCompactLocked reports whether the last turn pushed context
2683// usage past the auto-compact threshold. Must be called with i.mu
2684// held; it reads lastCtxInput and the current model's context window.
2685func (i *Interactive) shouldAutoCompactLocked() bool {
2686 if i.agent == nil {
2687 return false
2688 }
2689 if i.autoCompacting {
2690 return false
2691 }
2692 m, err := provider.FindModel(i.cfg.Provider, i.cfg.Model)
2693 if err != nil || m.ContextWindow <= 0 {
2694 return false
2695 }
2696 if i.lastCtxInput <= 0 {
2697 return false
2698 }
2699 return float64(i.lastCtxInput)/float64(m.ContextWindow) >= autoCompactThreshold
2700}
2701
2702func (i *Interactive) handleEvent(ev core.AgentEvent) {
2703 i.mu.Lock()
2704 defer i.mu.Unlock()
2705 switch e := ev.(type) {
2706 case core.EvAssistantStart:
2707 // Fires at the top of every oneTurn, including follow-up
2708 // turns after tool use. Without this, the streaming buffer
2709 // is still marked off from the previous assistant message
2710 // and the final summary text pops in all at once instead
2711 // of typewriter-streaming delta by delta.
2712 i.streaming.Reset()
2713 i.streamPending = i.streamPending[:0]
2714 i.streamFlushPending = false
2715 i.streamOn = true
2716 // Clear the live tool-call overlay. Any tools from the
2717 // previous round are now fully folded into the transcript
2718 // (assistant tool_use block + tool role message with the
2719 // result), so keeping them in the overlay would duplicate
2720 // them in the view — once inside the finalised transcript
2721 // and once below the streaming block, with the streaming
2722 // summary sandwiched in between. The next EvToolUseStart
2723 // will populate fresh entries for this turn's tools.
2724 i.toolCalls = map[string]*tui.ToolCallView{}
2725 i.toolOrder = nil
2726 case core.EvTextDelta:
2727 // Buffer into streamPending; the paintPace ticker drains
2728 // it into i.streaming a few runes at a time for a smooth
2729 // typewriter effect independent of upstream chunk size.
2730 i.streamPending = append(i.streamPending, []rune(e.Delta)...)
2731 i.streamOn = true
2732 case core.EvAssistantMessage:
2733 // OnAssistant + telegram mirroring always fire on message
2734 // arrival — they read the FINAL message content, which is
2735 // complete regardless of what's still in the pacer.
2736 i.assistantMessageSideEffects(e.Message)
2737 // If the pacer still has characters to drain, keep streamOn
2738 // true and mark flush pending; the paintPace ticker will
2739 // drain the remainder and reset streaming state when done.
2740 // Otherwise (rare: full-replay sessions, abort paths) clear
2741 // synchronously so a later render doesn't show stale text.
2742 if len(i.streamPending) > 0 {
2743 i.streamFlushPending = true
2744 return
2745 }
2746 i.resetStreamingStateLocked()
2747 // Force full repaint: assistant text committed, layout shifts.
2748 if i.rend != nil {
2749 i.rend.Invalidate()
2750 }
2751 case core.EvToolUseStart:
2752 // Live streaming: pre-create the view so the user sees the
2753 // tool call being composed in real time. Any subsequent
2754 // EvToolCall for the same ID updates the same struct (the
2755 // final parsed args + name are already known here).
2756 if _, exists := i.toolCalls[e.ID]; !exists {
2757 i.toolCalls[e.ID] = &tui.ToolCallView{
2758 ID: e.ID,
2759 Name: e.Name,
2760 Streaming: true,
2761 }
2762 i.toolOrder = append(i.toolOrder, e.ID)
2763 }
2764 case core.EvToolUseArgs:
2765 if tc, ok := i.toolCalls[e.ID]; ok {
2766 tc.RawJSONBuf += e.Delta
2767 // Refresh the live path as soon as it parses; used in
2768 // the header (write /Users/pat/Desktop/demo.ts)
2769 // while the content is still streaming.
2770 if p, pok, _ := tui.ExtractPartialStringField(tc.RawJSONBuf, "path"); pok {
2771 tc.LivePath = p
2772 } else if p, pok, _ := tui.ExtractPartialStringField(tc.RawJSONBuf, "file_path"); pok {
2773 tc.LivePath = p
2774 }
2775 }
2776 case core.EvToolUseEnd:
2777 if tc, ok := i.toolCalls[e.ID]; ok {
2778 tc.Streaming = false
2779 }
2780 case core.EvToolCall:
2781 // If we already pre-created the view during streaming, just
2782 // refresh the final Args summary. Otherwise create a new one
2783 // (non-streaming providers or legacy paths).
2784 if tc, ok := i.toolCalls[e.ID]; ok {
2785 tc.Args = tui.ShortArgs(e.Name, e.Args)
2786 tc.Streaming = false
2787 } else {
2788 i.toolCalls[e.ID] = &tui.ToolCallView{
2789 ID: e.ID,
2790 Name: e.Name,
2791 Args: tui.ShortArgs(e.Name, e.Args),
2792 }
2793 i.toolOrder = append(i.toolOrder, e.ID)
2794 }
2795 case core.EvToolResult:
2796 if tc, ok := i.toolCalls[e.ID]; ok {
2797 tc.Done = true
2798 tc.Error = e.Result.IsError
2799 var text strings.Builder
2800 for _, c := range e.Result.Content {
2801 if tb, ok := c.(provider.TextBlock); ok {
2802 if text.Len() > 0 {
2803 text.WriteString("\n")
2804 }
2805 text.WriteString(tb.Text)
2806 }
2807 }
2808 tc.Result = text.String()
2809 }
2810 // Force full repaint: tool completion shifts the layout
2811 // (collapsed body replaces streaming) and the diff renderer
2812 // may leave stale code fragments on status bar rows.
2813 if i.rend != nil {
2814 i.rend.Invalidate()
2815 }
2816 if i.cfg.OnToolResult != nil {
2817 i.cfg.OnToolResult(e.ID, e.Result)
2818 }
2819 case core.EvUsage:
2820 i.cumUsage = e.Cumulative
2821 if e.Usage.InputTokens > 0 {
2822 i.lastCtxInput = e.Usage.InputTokens + e.Usage.CacheReadTokens + e.Usage.CacheWriteTokens
2823 }
2824 case core.EvTurnEnd:
2825 // Force full repaint: the turn ending shifts layout (streaming
2826 // buffer flushed, status bar updates) and the diff renderer
2827 // may leave stale content on reused rows.
2828 if i.rend != nil {
2829 i.rend.Invalidate()
2830 }
2831 if e.Stop == provider.StopAborted {
2832 i.resetStreamingStateLocked()
2833 i.statusErr = ""
2834 i.statusOK = "cancelled"
2835 return
2836 }
2837 if e.Err != nil && !strings.Contains(e.Err.Error(), "context canceled") {
2838 i.statusErr = e.Err.Error()
2839 }
2840 }
2841}
2842
2843// Agent returns the current agent, if any. Used by cli.go to flush the
2844// final transcript to the session file.
2845func (i *Interactive) Agent() *core.Agent {
2846 i.mu.Lock()
2847 defer i.mu.Unlock()
2848 return i.agent
2849}
2850
2851// silence unused import in some build configs
2852var _ = fmt.Sprintf
2853
2854// runReloadExt triggers a live reload of every extension (discovered
2855// + explicit). Runs on a goroutine so the TUI stays responsive; the
2856// Manager.Reload takes a couple of hundred ms to shut down subprocs
2857// and respawn them. Shows a status line throughout.
2858func (i *Interactive) runReloadExt(ctx context.Context) {
2859 if i.cfg.Extensions == nil {
2860 i.mu.Lock()
2861 i.statusErr = "no extension manager in this build"
2862 i.mu.Unlock()
2863 i.invalidate()
2864 return
2865 }
2866 i.mu.Lock()
2867 i.statusOK = "reloading extensions…"
2868 i.statusErr = ""
2869 i.mu.Unlock()
2870 i.invalidate()
2871
2872 go func() {
2873 stats := i.cfg.Extensions.Reload(ctx, 2*time.Second)
2874 msg := fmt.Sprintf("reloaded: %d stopped, %d loaded (%d ready)", stats.Stopped, stats.Loaded, stats.Ready)
2875 if len(stats.Errors) > 0 {
2876 msg += fmt.Sprintf(", %d error(s)", len(stats.Errors))
2877 }
2878 i.mu.Lock()
2879 i.statusOK = msg
2880 i.statusErr = ""
2881 i.mu.Unlock()
2882 i.invalidate()
2883 }()
2884}
2885
2886// Confirm implements core.Confirmer. The agent goroutine calls
2887// this synchronously before every tool invocation when --no-yolo is
2888// active. We push the request onto the confirmDialog queue, trigger
2889// a redraw, and block the caller until the user answers.
2890//
2891// If the session is cancelled or the TUI exits mid-prompt, any
2892// pending request is refused via CancelAll so the agent doesn't
2893// deadlock.
2894func (i *Interactive) Confirm(toolName string, preview string) core.ConfirmDecision {
2895 resp := make(chan core.ConfirmDecision, 1)
2896 i.confirmDialog.Enqueue(&confirmRequest{
2897 toolName: toolName,
2898 preview: preview,
2899 resp: resp,
2900 })
2901 i.invalidate()
2902 return <-resp
2903}
2904
2905// runYoloOn disables --no-yolo for the rest of the session. Tool
2906// calls run without prompting after this; there's intentionally no
2907// way to re-enable gating mid-session, if the user wants that back
2908// they can exit and restart with --no-yolo.
2909func (i *Interactive) runYoloOn() {
2910 if i.cfg.ConfirmGate == nil {
2911 i.mu.Lock()
2912 i.statusOK = "yolo mode is already on (no --no-yolo in this session)"
2913 i.statusErr = ""
2914 i.mu.Unlock()
2915 i.invalidate()
2916 return
2917 }
2918 i.cfg.ConfirmGate.AllowAll()
2919 // Also auto-allow any currently pending confirmation so the
2920 // agent doesn't deadlock if /yolo is typed while a prompt is
2921 // open.
2922 i.confirmDialog.AllowAllPending()
2923 i.mu.Lock()
2924 i.statusOK = "yolo engaged: no more tool-call confirmations this session"
2925 i.statusErr = ""
2926 i.mu.Unlock()
2927 i.invalidate()
2928}
2929
2930// openTelegramDialog shows the picker for `/telegram` with no arg.
2931// Items depend on current state: disconnect + status when running,
2932// connect + status when stopped.
2933func (i *Interactive) openTelegramDialog() {
2934 items := i.telegramMenuItems()
2935 if len(items) == 0 {
2936 i.mu.Lock()
2937 i.statusErr = "telegram not configured. run `zot telegram-bot setup` first."
2938 i.mu.Unlock()
2939 i.invalidate()
2940 return
2941 }
2942 i.telegramDialog.Open(items)
2943 i.invalidate()
2944}
2945
2946// telegramMenuItems builds the dialog entries for the current
2947// bridge state. Returns empty when no bot.json exists so the
2948// caller can show a helpful status line instead of an empty menu.
2949func (i *Interactive) telegramMenuItems() []telegramItem {
2950 cfg, err := telegram.LoadConfig(i.cfg.ZotHome)
2951 if err != nil || cfg.BotToken == "" {
2952 return nil
2953 }
2954 var items []telegramItem
2955 if i.telegramBridge != nil && i.telegramBridge.Active() {
2956 items = append(items, telegramItem{label: "disconnect", action: "disconnect", hint: "stop mirroring"})
2957 st := i.telegramBridge.State()
2958 hint := "active"
2959 if st.Username != "" {
2960 hint += " as @" + st.Username
2961 }
2962 items = append(items, telegramItem{label: "status", action: "status", hint: hint})
2963 } else {
2964 label := "connect"
2965 hint := "start mirroring dms into this session"
2966 if cfg.AllowedUserID == 0 {
2967 hint = "awaiting pairing (send /start to the bot once connected)"
2968 }
2969 items = append(items, telegramItem{label: label, action: "connect", hint: hint})
2970 items = append(items, telegramItem{label: "status", action: "status", hint: "disconnected"})
2971 }
2972 return items
2973}
2974
2975// doTelegram dispatches one of the three explicit actions. Called
2976// from /telegram <action> or after the picker selects a row.
2977func (i *Interactive) doTelegram(action string) {
2978 switch action {
2979 case "connect":
2980 i.telegramConnect()
2981 case "disconnect":
2982 i.telegramDisconnect()
2983 case "status":
2984 i.telegramStatus()
2985 default:
2986 i.mu.Lock()
2987 i.statusErr = "unknown telegram action: " + action + " (use connect, disconnect, or status)"
2988 i.mu.Unlock()
2989 i.invalidate()
2990 }
2991}
2992
2993// telegramConnect starts the bridge. Refuses if it's already
2994// running or if the on-disk bot.json is missing a token.
2995func (i *Interactive) telegramConnect() {
2996 if i.telegramBridge != nil && i.telegramBridge.Active() {
2997 i.mu.Lock()
2998 i.statusOK = "telegram already connected"
2999 i.statusErr = ""
3000 i.mu.Unlock()
3001 i.invalidate()
3002 return
3003 }
3004 cfg, err := telegram.LoadConfig(i.cfg.ZotHome)
3005 if err != nil {
3006 i.mu.Lock()
3007 i.statusErr = "telegram: " + err.Error()
3008 i.mu.Unlock()
3009 i.invalidate()
3010 return
3011 }
3012 if cfg.BotToken == "" {
3013 i.mu.Lock()
3014 i.statusErr = "telegram: no bot token configured. run `zot telegram-bot setup` first."
3015 i.mu.Unlock()
3016 i.invalidate()
3017 return
3018 }
3019 // Refuse to start when a background daemon is already polling
3020 // the same bot. Two concurrent long-poll consumers race each
3021 // update and one always loses, so DMs get half-delivered. The
3022 // user can `zot telegram-bot stop` first, then /telegram connect.
3023 if pid, alive, _ := telegram.IsRunning(i.cfg.ZotHome); alive && pid > 0 {
3024 i.mu.Lock()
3025 i.statusErr = fmt.Sprintf("telegram: bot daemon already running (pid %d). stop it with `zot telegram-bot stop` first.", pid)
3026 i.mu.Unlock()
3027 i.invalidate()
3028 return
3029 }
3030 i.telegramBridge = &telegram.Bridge{
3031 Client: telegram.NewClient(cfg.BotToken),
3032 Config: cfg,
3033 Save: func(next telegram.Config) error {
3034 return telegram.SaveConfig(i.cfg.ZotHome, next)
3035 },
3036 Host: &telegramHost{iv: i},
3037 }
3038 if err := i.telegramBridge.Start(i.runCtx); err != nil {
3039 i.telegramBridge = nil
3040 i.mu.Lock()
3041 i.statusErr = "telegram connect failed: " + err.Error()
3042 i.mu.Unlock()
3043 i.invalidate()
3044 return
3045 }
3046 state := i.telegramBridge.State()
3047 label := "telegram connected"
3048 if state.Username != "" {
3049 label += " as @" + state.Username
3050 }
3051 if state.PairedID == 0 {
3052 label += " — send /start to the bot from your phone to claim it"
3053 }
3054 i.mu.Lock()
3055 i.statusOK = label
3056 i.statusErr = ""
3057 i.mu.Unlock()
3058 i.invalidate()
3059}
3060
3061// telegramDisconnect stops the bridge. No-op when already stopped.
3062func (i *Interactive) telegramDisconnect() {
3063 if i.telegramBridge == nil || !i.telegramBridge.Active() {
3064 i.mu.Lock()
3065 i.statusOK = "telegram already disconnected"
3066 i.statusErr = ""
3067 i.mu.Unlock()
3068 i.invalidate()
3069 return
3070 }
3071 i.telegramBridge.Stop()
3072 i.mu.Lock()
3073 i.statusOK = "telegram disconnected"
3074 i.statusErr = ""
3075 i.mu.Unlock()
3076 i.invalidate()
3077}
3078
3079// telegramStatus writes a one-liner describing the bridge state.
3080// Reports on both the in-tui bridge and the background daemon so
3081// the user isn't confused when the daemon owns the poll loop.
3082func (i *Interactive) telegramStatus() {
3083 var msg string
3084 if i.telegramBridge != nil && i.telegramBridge.Active() {
3085 s := i.telegramBridge.State()
3086 msg = "telegram: connected (tui bridge)"
3087 if s.Username != "" {
3088 msg += " as @" + s.Username
3089 }
3090 if s.PairedID != 0 {
3091 msg += fmt.Sprintf(" - paired with user %d", s.PairedID)
3092 } else {
3093 msg += " - awaiting pairing"
3094 }
3095 } else if pid, alive, _ := telegram.IsRunning(i.cfg.ZotHome); alive && pid > 0 {
3096 msg = fmt.Sprintf("telegram: background daemon running (pid %d) - /telegram connect won't work until you stop it", pid)
3097 } else {
3098 cfg, _ := telegram.LoadConfig(i.cfg.ZotHome)
3099 if cfg.BotToken == "" {
3100 msg = "telegram: not configured. run `zot telegram-bot setup` first."
3101 } else {
3102 msg = "telegram: disconnected"
3103 if cfg.BotUsername != "" {
3104 msg += " (@" + cfg.BotUsername + " ready to connect)"
3105 }
3106 }
3107 }
3108 i.mu.Lock()
3109 i.statusOK = msg
3110 i.statusErr = ""
3111 i.mu.Unlock()
3112 i.invalidate()
3113}
3114
3115// telegramHost adapts *Interactive to telegram.Host so the bridge
3116// can call back into the TUI without importing modes directly.
3117type telegramHost struct{ iv *Interactive }
3118
3119func (h *telegramHost) SubmitOrQueue(prompt string, images []provider.ImageBlock) {
3120 h.iv.SubmitOrQueue(prompt, images)
3121}
3122
3123func (h *telegramHost) CancelTurn() { h.iv.CancelTurn() }
3124
3125func (h *telegramHost) Notify(level, message string) {
3126 h.iv.mu.Lock()
3127 switch level {
3128 case "error", "warn":
3129 h.iv.statusErr = message
3130 h.iv.statusOK = ""
3131 default:
3132 h.iv.statusOK = message
3133 h.iv.statusErr = ""
3134 }
3135 h.iv.mu.Unlock()
3136 h.iv.invalidate()
3137}
3138
3139// openSessionOpsDialog shows the picker for `/session` with no arg.
3140// Always offers export, import, fork, tree; the handlers bail with
3141// a clear status message when the precondition isn't met (empty
3142// transcript on fork; no parent/siblings on tree).
3143func (i *Interactive) openSessionOpsDialog() {
3144 items := []sessionOpsItem{
3145 {label: "export", action: "export", hint: "write the current session to a .zotsession file"},
3146 {label: "import", action: "import", hint: "load a .zotsession file into this directory"},
3147 {label: "fork", action: "fork", hint: "branch from a past user message into a new session"},
3148 {label: "tree", action: "tree", hint: "switch between branches in this directory"},
3149 }
3150 i.sessionOpsDialog.Open(items)
3151 i.invalidate()
3152}
3153
3154// doSessionOp dispatches export, import, fork, or tree. arg is the
3155// optional positional argument from e.g. /session export <path>
3156// or /session import <path>; fork and tree ignore it.
3157func (i *Interactive) doSessionOp(action, arg string) {
3158 switch action {
3159 case "export":
3160 i.doSessionExport(arg)
3161 case "import":
3162 i.doSessionImport(arg)
3163 case "fork":
3164 i.doSessionFork()
3165 case "tree":
3166 i.doSessionTree()
3167 default:
3168 i.mu.Lock()
3169 i.statusErr = "unknown /session action: " + action + " (use export, import, fork, or tree)"
3170 i.mu.Unlock()
3171 i.invalidate()
3172 }
3173}
3174
3175// doSessionExport writes the live session file to destination path
3176// dst. When dst is empty we default to ~/Downloads (falling back to
3177// the user's home directory if it doesn't exist). The helper
3178// expands a leading `~` and creates any missing parent directories.
3179func (i *Interactive) doSessionExport(dst string) {
3180 if i.cfg.CurrentSessionPath == nil {
3181 i.mu.Lock()
3182 i.statusErr = "export: no session is active (running with --no-session?)"
3183 i.mu.Unlock()
3184 i.invalidate()
3185 return
3186 }
3187 src := i.cfg.CurrentSessionPath()
3188 if src == "" {
3189 i.mu.Lock()
3190 i.statusErr = "export: no session is active (running with --no-session?)"
3191 i.mu.Unlock()
3192 i.invalidate()
3193 return
3194 }
3195 // Persist any in-memory agent messages to the session file so
3196 // the export carries the full conversation. Without this, the
3197 // default lazy-flush-at-exit strategy leaves most of a running
3198 // session unwritten and the export ends up with only the meta.
3199 if i.cfg.FlushSession != nil {
3200 i.cfg.FlushSession()
3201 }
3202 dst = unquotePath(dst)
3203 if dst == "" {
3204 dst = defaultExportDir()
3205 } else {
3206 dst = expandTilde(dst)
3207 }
3208 out, err := core.ExportSession(src, dst)
3209 if err != nil {
3210 i.mu.Lock()
3211 i.statusErr = "export: " + err.Error()
3212 i.mu.Unlock()
3213 i.invalidate()
3214 return
3215 }
3216 i.mu.Lock()
3217 i.statusOK = "exported session to " + friendlyPath(out)
3218 i.statusErr = ""
3219 i.mu.Unlock()
3220 i.invalidate()
3221}
3222
3223// doSessionImport copies the .zotsession file at src into the
3224// running cwd's sessions directory and loads it as the active
3225// session, same as `/sessions` -> pick. When src is empty we ask
3226// the user to pass a path (no usable default here).
3227func (i *Interactive) doSessionImport(src string) {
3228 src = unquotePath(src)
3229 if src == "" {
3230 i.mu.Lock()
3231 i.statusErr = "import: pass a path — e.g. /session import ~/Downloads/work.zotsession"
3232 i.mu.Unlock()
3233 i.invalidate()
3234 return
3235 }
3236 src = expandTilde(src)
3237 if _, err := os.Stat(src); err != nil {
3238 i.mu.Lock()
3239 i.statusErr = "import: " + err.Error()
3240 i.mu.Unlock()
3241 i.invalidate()
3242 return
3243 }
3244 newPath, err := core.ImportSession(src, i.cfg.ZotHome, i.cfg.CWD, i.cfg.Version)
3245 if err != nil {
3246 i.mu.Lock()
3247 i.statusErr = "import: " + err.Error()
3248 i.mu.Unlock()
3249 i.invalidate()
3250 return
3251 }
3252 if i.cfg.LoadSession == nil {
3253 i.mu.Lock()
3254 i.statusOK = "imported session at " + friendlyPath(newPath) + " (run /sessions to resume it)"
3255 i.statusErr = ""
3256 i.mu.Unlock()
3257 i.invalidate()
3258 return
3259 }
3260 if err := i.cfg.LoadSession(newPath); err != nil {
3261 i.mu.Lock()
3262 i.statusErr = "import: load failed: " + err.Error()
3263 i.mu.Unlock()
3264 i.invalidate()
3265 return
3266 }
3267 i.mu.Lock()
3268 i.statusOK = "imported and switched to session " + friendlyPath(newPath)
3269 i.statusErr = ""
3270 i.mu.Unlock()
3271 i.invalidate()
3272}
3273
3274// defaultExportDir returns ~/Downloads when it exists, or ~ as a
3275// fallback, or /tmp on exotic machines with no home dir.
3276func defaultExportDir() string {
3277 home, err := os.UserHomeDir()
3278 if err != nil || home == "" {
3279 return os.TempDir()
3280 }
3281 downloads := filepath.Join(home, "Downloads")
3282 if fi, err := os.Stat(downloads); err == nil && fi.IsDir() {
3283 return downloads
3284 }
3285 return home
3286}
3287
3288// expandTilde turns a leading ~ into the user's home directory.
3289// Returns the input unchanged when there's no tilde or no home.
3290func expandTilde(p string) string {
3291 if p == "" || p[0] != '~' {
3292 return p
3293 }
3294 home, err := os.UserHomeDir()
3295 if err != nil || home == "" {
3296 return p
3297 }
3298 if len(p) == 1 {
3299 return home
3300 }
3301 if p[1] == '/' || p[1] == filepath.Separator {
3302 return filepath.Join(home, p[2:])
3303 }
3304 return p
3305}
3306
3307// unquotePath strips a matching pair of surrounding single or
3308// double quotes. Drag-drop paste in the tui auto-quotes dropped
3309// file paths so the shell-like `/session import 'foo bar.zs'`
3310// stays well-formed; when the TUI's own slash handler consumes
3311// the arg, we want the raw path back.
3312func unquotePath(p string) string {
3313 p = strings.TrimSpace(p)
3314 if len(p) >= 2 {
3315 first := p[0]
3316 last := p[len(p)-1]
3317 if (first == '\'' && last == '\'') || (first == '"' && last == '"') {
3318 p = p[1 : len(p)-1]
3319 }
3320 }
3321 return p
3322}
3323
3324// friendlyPath collapses the user's home directory to a leading ~
3325// so status messages read cleanly. Falls back to the raw path when
3326// the home dir is unknown.
3327func friendlyPath(p string) string {
3328 home, err := os.UserHomeDir()
3329 if err != nil || home == "" {
3330 return p
3331 }
3332 if strings.HasPrefix(p, home+string(filepath.Separator)) {
3333 return "~" + p[len(home):]
3334 }
3335 return p
3336}
3337
3338// doSessionFork opens the /jump turn picker in "fork mode". The
3339// next selection branches the current session at that user turn
3340// instead of scrolling the viewport to it.
3341func (i *Interactive) doSessionFork() {
3342 if i.cfg.CurrentSessionPath == nil || i.cfg.CurrentSessionPath() == "" {
3343 i.mu.Lock()
3344 i.statusErr = "fork: no session is active (running with --no-session?)"
3345 i.mu.Unlock()
3346 i.invalidate()
3347 return
3348 }
3349 msgs := []provider.Message{}
3350 if i.agent != nil {
3351 msgs = i.agent.Messages()
3352 }
3353 if len(msgs) == 0 {
3354 i.mu.Lock()
3355 i.statusErr = "fork: transcript is empty; nothing to fork from"
3356 i.mu.Unlock()
3357 i.invalidate()
3358 return
3359 }
3360 i.pendingFork = true
3361 i.jumpDialog.Open(msgs, "")
3362 i.invalidate()
3363}
3364
3365// doSessionTree shows the branch topology picker for this cwd.
3366// Pick an entry to switch into it (same semantics as /sessions
3367// picking a past session, but with the parent/child indentation).
3368func (i *Interactive) doSessionTree() {
3369 if i.cfg.ZotHome == "" || i.cfg.CWD == "" {
3370 i.mu.Lock()
3371 i.statusErr = "tree: session storage not configured"
3372 i.mu.Unlock()
3373 i.invalidate()
3374 return
3375 }
3376 // Flush the running agent's transcript first so its message
3377 // count + latest preview are accurate in the tree.
3378 if i.cfg.FlushSession != nil {
3379 i.cfg.FlushSession()
3380 }
3381 roots := core.BuildSessionTree(i.cfg.ZotHome, i.cfg.CWD)
3382 if len(roots) == 0 {
3383 i.mu.Lock()
3384 i.statusErr = "tree: no sessions in this directory yet"
3385 i.mu.Unlock()
3386 i.invalidate()
3387 return
3388 }
3389 current := ""
3390 if i.cfg.CurrentSessionPath != nil {
3391 current = i.cfg.CurrentSessionPath()
3392 }
3393 if !i.sessionTreeDialog.Open(roots, current) {
3394 i.mu.Lock()
3395 i.statusErr = "tree: no branches to show"
3396 i.mu.Unlock()
3397 }
3398 i.invalidate()
3399}
3400
3401// applySessionTreeSelection switches the running agent to the
3402// session file at path. Thin wrapper around LoadSession that also
3403// writes a status line.
3404func (i *Interactive) applySessionTreeSelection(path string) {
3405 if i.cfg.LoadSession == nil {
3406 i.mu.Lock()
3407 i.statusErr = "tree: session swap not available in this build"
3408 i.mu.Unlock()
3409 i.invalidate()
3410 return
3411 }
3412 if err := i.cfg.LoadSession(path); err != nil {
3413 i.mu.Lock()
3414 i.statusErr = "tree: load failed: " + err.Error()
3415 i.mu.Unlock()
3416 i.invalidate()
3417 return
3418 }
3419 i.mu.Lock()
3420 i.statusOK = "switched to branch " + friendlyPath(path)
3421 i.statusErr = ""
3422 i.mu.Unlock()
3423 i.invalidate()
3424}
3425
3426// applyForkSelection branches the current session at msgIdx+1 (so
3427// the selected user message and everything before it is included
3428// in the new branch), then switches the running agent to the new
3429// file. Called from the jump-dialog handler when pendingFork=true.
3430func (i *Interactive) applyForkSelection(msgIdx int) {
3431 i.pendingFork = false
3432 if i.cfg.CurrentSessionPath == nil {
3433 i.mu.Lock()
3434 i.statusErr = "fork: no session is active"
3435 i.mu.Unlock()
3436 i.invalidate()
3437 return
3438 }
3439 src := i.cfg.CurrentSessionPath()
3440 if src == "" {
3441 i.mu.Lock()
3442 i.statusErr = "fork: no session is active"
3443 i.mu.Unlock()
3444 i.invalidate()
3445 return
3446 }
3447 if i.cfg.FlushSession != nil {
3448 i.cfg.FlushSession()
3449 }
3450 // msgIdx is 0-indexed message position; copy msgIdx+1 rows so
3451 // the selected user message is included.
3452 upTo := msgIdx + 1
3453 newPath, err := core.BranchSession(src, i.cfg.ZotHome, i.cfg.CWD, i.cfg.Version, upTo)
3454 if err != nil {
3455 i.mu.Lock()
3456 i.statusErr = "fork: " + err.Error()
3457 i.mu.Unlock()
3458 i.invalidate()
3459 return
3460 }
3461 if i.cfg.LoadSession == nil {
3462 i.mu.Lock()
3463 i.statusOK = "forked at message " + formatInt(upTo) + " (run /sessions to resume)"
3464 i.statusErr = ""
3465 i.mu.Unlock()
3466 i.invalidate()
3467 return
3468 }
3469 if err := i.cfg.LoadSession(newPath); err != nil {
3470 i.mu.Lock()
3471 i.statusErr = "fork: switch failed: " + err.Error()
3472 i.mu.Unlock()
3473 i.invalidate()
3474 return
3475 }
3476 i.mu.Lock()
3477 i.statusOK = "forked and switched to new branch at " + friendlyPath(newPath)
3478 i.statusErr = ""
3479 i.mu.Unlock()
3480 i.invalidate()
3481}
3482
3483// formatInt is a tiny strconv.Itoa shim; keeps the handler above
3484// from needing a strconv import just for one call.
3485func formatInt(n int) string {
3486 return fmt.Sprintf("%d", n)
3487}
3488
3489// assistantText returns the concatenated text of every TextBlock in
3490// m. Used by the streaming-view dedupe guard to tell when a live
3491// streamed reply has already been promoted into the transcript.
3492func assistantText(m provider.Message) string {
3493 var sb strings.Builder
3494 for _, c := range m.Content {
3495 if tb, ok := c.(provider.TextBlock); ok {
3496 if sb.Len() > 0 {
3497 sb.WriteByte('\n')
3498 }
3499 sb.WriteString(tb.Text)
3500 }
3501 }
3502 return sb.String()
3503}
3504
3505// resetStreamingStateLocked clears every piece of streaming state
3506// in one shot. Used by abort paths (turn cancel, compact finish,
3507// queue drain) so the pacer doesn't keep draining stale runes from
3508// a prior turn. Must be called with i.mu held.
3509func (i *Interactive) resetStreamingStateLocked() {
3510 i.streaming.Reset()
3511 i.streamPending = i.streamPending[:0]
3512 i.streamFlushPending = false
3513 i.streamOn = false
3514}
3515
3516// assistantMessageSideEffects runs the non-visual hooks attached to
3517// EvAssistantMessage: the host-provided OnAssistant callback and the
3518// telegram-bridge mirror. Called with i.mu held.
3519//
3520// Factored out of handleEvent because the streaming pacer may defer
3521// visual reset until after the last buffered rune has painted, but
3522// the callbacks themselves must fire on message arrival so
3523// downstream observers (session persistence, telegram, cost panels)
3524// don't wait on a UI animation to catch up.
3525func (i *Interactive) assistantMessageSideEffects(m provider.Message) {
3526 if i.cfg.OnAssistant != nil {
3527 i.cfg.OnAssistant(m)
3528 }
3529 if i.telegramBridge != nil && i.telegramBridge.Active() {
3530 var sb strings.Builder
3531 for _, c := range m.Content {
3532 if tb, ok := c.(provider.TextBlock); ok {
3533 if sb.Len() > 0 {
3534 sb.WriteString("\n")
3535 }
3536 sb.WriteString(tb.Text)
3537 }
3538 }
3539 if text := sb.String(); strings.TrimSpace(text) != "" {
3540 go i.telegramBridge.OnAssistantText(text)
3541 }
3542 }
3543}
3544
3545// paintPaceRate is how many runes the streaming pacer releases per
3546// tick. With a 16ms tick, 6 runes/tick is ~375 runes/s — fast enough
3547// that a 500-rune summary finishes in ~1.3s, slow enough to look
3548// like a human typing. Empirically matches the feel of provider
3549// paths that already drip-stream natively.
3550const paintPaceRate = 6
3551
3552// paintPaceInterval is the tick interval for the streaming pacer.
3553// 16ms lines up with the redraw throttle so we never paint faster
3554// than the terminal can keep up.
3555const paintPaceInterval = 16 * time.Millisecond
3556
3557// runStreamPacer drains buffered deltas from streamPending into
3558// streaming a small batch per tick, invalidating after each move.
3559// It stops when the context cancels (tui shutdown).
3560//
3561// Why a pacer: providers differ wildly in how they chunk their
3562// text_delta events. The API-key path on Anthropic emits ~30 drips
3563// for a 400-token summary; the OAuth path can coalesce the same
3564// summary into 3 fat chunks, visually indistinguishable from "the
3565// whole reply just appeared". The pacer normalizes that so every
3566// path looks the same on screen.
3567func (i *Interactive) runStreamPacer(ctx context.Context) {
3568 t := time.NewTicker(paintPaceInterval)
3569 defer t.Stop()
3570 for {
3571 select {
3572 case <-ctx.Done():
3573 return
3574 case <-t.C:
3575 i.mu.Lock()
3576 if len(i.streamPending) == 0 {
3577 // EvAssistantMessage already fired but the pacer
3578 // was still draining a tick ago. Everything is now
3579 // painted; clear the streaming flags so the next
3580 // redraw shows the finalised transcript message
3581 // and hides the streaming overlay.
3582 if i.streamFlushPending {
3583 i.streamFlushPending = false
3584 i.streaming.Reset()
3585 i.streamOn = false
3586 i.mu.Unlock()
3587 i.invalidate()
3588 continue
3589 }
3590 i.mu.Unlock()
3591 continue
3592 }
3593 n := paintPaceRate
3594 if n > len(i.streamPending) {
3595 n = len(i.streamPending)
3596 }
3597 i.streaming.WriteString(string(i.streamPending[:n]))
3598 i.streamPending = i.streamPending[n:]
3599 i.mu.Unlock()
3600 i.invalidate()
3601 }
3602 }
3603}