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