Commit Graph

301 Commits

Author SHA1 Message Date
Jinjing 6be8687c34
feat(status-bar): notify upgraded users usage meters show % used (#8319)
* feat(status-bar): notify upgraded users usage meters show % used

Show a one-time status-bar callout when upgraded profiles still use the
new percent-used default. Brand-new profiles and users who already chose
remaining stay quiet; dismissing or changing the setting is permanent.

* Add settings deep-link to expand Appearance's Window accordion for one-s

- Replaces the searchQuery-based redirect (fragile, flashed filter UI) with a
  dedicated appearanceAccordionDeepLink store field that force-opens the
  correct accordion and scrolls to the target row
- Rebuilds the status-bar change notice as a plain elevated card instead of
  a Popover, since PopoverContent's glass/backdrop-filter defaults fought
  the opaque callout styling and needed heavy overrides
- Simplifies the light/dark card CSS tokens accordingly

* Reposition status-bar usage-change notice via fixed-position portal

Portal the one-shot callout to document.body with fixed positioning
anchored via getBoundingClientRect, since the status-bar's overflow-hidden
flex ancestors clipped or mispositioned the previous in-tree absolute
layout.

* Refine status-bar usage notice styling and test coverage

- Replace hand-tuned light/dark card colors with existing design
  tokens (--popover, --border) and the documented floating elevation,
  so the callout stays in sync with the design system instead of
  duplicating its own palette
- Add tests covering dismiss via X button, "Got it", and Escape
- Scope the foreground-process confirm assertion to the pane's ptyId
  so an unrelated pane's delayed confirm can't cause a false failure
2026-07-11 14:49:49 -07:00
Jinwoo Hong 25ecf2eea2
fix: reconcile SSH repo rows after host re-add (#8201)
Co-authored-by: Orca <help@stably.ai>
2026-07-11 03:20:55 -07:00
OrcaWin c869891b37
test(e2e): defer large repo cleanup until shutdown (#8228) 2026-07-10 22:43:12 -07:00
Brennan Benson b902f19b0d
fix(terminal): send CSI-u Shift+Enter to Droid on Windows (#7620) (#7668)
* fix(terminal): send CSI-u Shift+Enter to kitty TUIs (droid) on Windows (#7620)

On Windows, Shift+Enter was always sent as the Alt+Enter byte ESC+CR (added in
#2418 for Codex, which reads win32-input-mode and ignores CSI-u). droid speaks
the kitty keyboard protocol, parses CSI-u directly, and treats ESC+CR as a plain
Enter — so Shift+Enter SUBMITTED the message instead of inserting a newline.
droid works in other terminals (Windows Terminal, Warp) because those honor
win32-input-mode / kitty; Orca (xterm.js) withholds kitty from local Windows
ConPTY panes and emits neither.

Make the Windows Shift+Enter byte pane-aware: latch whether a pane's program
advertised the kitty keyboard protocol (query CSI ? u, push CSI > .. u, or set
CSI = .. u) and send CSI-u (\x1b[13;2u) to those panes, keeping the
Codex-compatible ESC+CR for win32-input-mode-only TUIs. Non-Windows is unchanged
(always CSI-u).

Verified end-to-end against the real droid and Codex CLIs through the actual
production functions: droid now newlines, Codex still newlines.

* fix(terminal): route Windows Shift+Enter safely for Droid

---------

Co-authored-by: Neil <neil@stably.ai>
Co-authored-by: Neil <4138956+nwparker@users.noreply.github.com>
2026-07-10 21:00:31 -07:00
Neil c7777e44a6
Reduce terminal redraw CPU on active TUIs (#8178) 2026-07-10 19:50:44 -07:00
Jinjing 73e082b577
fix(source-control): avoid render-time layout reads (#8193)
* fix(source-control): stop measuring layout on every virtual list render

Shared-scroller scrollMargin used a deps-less useLayoutEffect that called
getBoundingClientRect after every React render (including git-status polls).
Measure on mount/attach only, then refresh via ResizeObserver and childList
MutationObserver with cleanup, and add focused tests for no render-time
layout reads plus multi-section margin updates.

* fix(source-control): prune stale layout observers
2026-07-10 18:12:57 -07:00
Jinwoo Hong e84a8ddec9
Terminal performance initiative: pipeline fixes + term-speed-2 revival + PTY flow control (integration branch) (#7214)
* Skip legacy hidden skip grammar assertions

* Fix hidden TUI snapshot test setup

* Fix sleep wake history test contract

* Fix hidden delivery startup gate helper

* Fix hidden Latin skip branch predicate

* Fix hidden synchronized split-boundary replay

* Stabilize remote runtime mixed subscription test

* Keep hidden startup query parser active during window

* Stabilize raw emoji golden restore width

* Stabilize raw emoji golden fixture completion

* Keep terminals responsive under agent output load

* Add frozen-terminal repro harness and silent-drop regression tests

Investigation harness for the frozen-terminal reports (Discord
#performance, issue #2836): pane shows content, shell alive, daemon
output.log flat while typing.

- e2e: renderer crash -> auto-reload recovery and three restart/restore
  shapes (live daemon, SIGSTOP-wedged daemon, daemon killed between
  launches), each probing input at both drop layers. Post-crash phases
  drive the renderer from the main process because a crashed target
  severs Playwright's CDP session even though the app recovers.
- e2e helpers: layer-discriminating probes (direct pty.write vs
  transport input, plus pty:listSessions ownership-rebuild revival).
- unit repro: vendored xterm 6.1.0-beta.287 WriteBuffer permanently
  wedges when a sync throw escapes a write-completion callback or a
  custom parser handler (xterm-write-buffer-stall.repro.test.ts).
- unit repros for both silent input-drop layers: main drops writes for
  a live PTY once ptyOwnership loses the id (revived by listSessions),
  and the renderer transport stays unbound after a failed connect.
- pty.test.ts: unregister every leaked SSH provider id in afterEach so
  module-level provider state cannot leak across tests.

Co-authored-by: Orca <help@stably.ai>

* Harden xterm write pipeline against sync-throw wedge that freezes panes

A synchronous exception escaping xterm's WriteBuffer loop permanently
wedges that terminal: _innerWrite has no try/catch around the parse
action or the write-completion callback, the tail re-schedule never
runs, and write() only re-arms on an empty buffer. The pane stops
rendering and, if a replay was in flight, the replay guard latches and
pty-connection's onData silently eats every keystroke — matching the
field reports (Discord #performance, issue #2836: content visible,
shell alive, daemon output.log flat). Both vectors verified against
vendored xterm 6.1.0-beta.287 in xterm-write-buffer-stall.repro.test.ts.

Three layers of defense:
- Guard every write-completion callback Orca hands xterm at the two
  choke points (writeForegroundTerminalChunk, writeBackgroundTerminalChunk),
  with settle and onParsed guarded separately so a WebGL/renderer
  failure during viewport settle cannot starve the replay-guard release.
- Guard all throwing-capable custom parser handlers (DA1, OSC 10/11,
  CSI ?h/?l mode reports, OSC 52 clipboard, OSC 7 cwd), degrading a
  throw to "not handled" — same escape class as
  terminal-link-provider-guard.ts.
- Replay-guard watchdog: each engagement releases exactly once, from
  xterm's completion or a 10s watchdog, so a lost completion (wedged
  pipeline, disposed-terminal race) cannot latch the guard on a live
  pane; replayIntoTerminalAsync resolves on either path so restore
  chains cannot hang. Force-releases record a crash breadcrumb.

All guard trips record rate-capped crash breadcrumbs, so the next field
occurrence names the throwing stack instead of failing silently.

Co-authored-by: Orca <help@stably.ai>

* Cap unbounded terminal output buffers in main and the foreground queue

Field evidence (Discord #performance / #2836): renderer memory climbs to
~1.5 GB and terminals freeze; a force reload does not help until memory
recovers. Two unbounded buffers matched that shape:

- Main-process pendingData grew by string concatenation without bound
  while the renderer could not receive (frozen, starved, mid-reload) —
  main-heap bloat a renderer reload cannot clear. Now capped at 2 MB per
  PTY: past the cap the buffered bytes are dropped and the entry stays
  O(1) until the renderer ACKs again, then a droppedOutput sentinel is
  delivered and the pane repaints from the authoritative main-owned
  buffer snapshot (existing hidden-output restore path) instead of
  continuing a stream with a silent gap.
- The renderer output scheduler capped only hidden-pane backlogs; the
  foreground path could queue a visible pane's flood without bound when
  the drain could not keep up. The 2 MB cap now applies to every
  foreground enqueue branch too, with a foreground-specific skip notice.

Verified: new main-side cap test (starve → flood → sentinel → normal
flow resumes), renderer sentinel-to-snapshot-restore test, two
foreground scheduler cap tests; full pty/terminal-pane/pane-manager
suites (1981 tests) and typecheck pass.

Co-authored-by: Orca <help@stably.ai>

* Make replay-guard stall release probe-certified instead of time-based

The previous stall watchdog blindly released the input guard after 10s.
If a replay were genuinely still parsing on a starved machine, that
early release could leak xterm's auto-replies into the shell — and into
agent TUIs, where a leaked ESC reads as the user pressing Escape.

Replace the blind release with a probe: when a completion looks
overdue, enqueue an empty write behind the replay. xterm parses writes
in order, so every outcome is provably safe:
- probe parses after the replay completion ran: normal release already
  happened; probe is a no-op.
- probe parses but the replay completion never ran: all replay bytes
  have parsed, no further auto-replies can exist — the completion was
  genuinely lost. Release + breadcrumb.
- probe never parses (bounded wait): the pipeline is wedged, and a dead
  parser can never emit auto-replies, so releasing cannot leak input.
  Release + breadcrumb naming the pane as needing recovery.
While the probe is pending — a slow-but-alive replay — the guard now
HOLDS instead of releasing early; that case is pinned by a regression
test.

Co-authored-by: Orca <help@stably.ai>

* Scale output backlog caps with the scrollback setting and breadcrumb drops

The 2 MB pending-output caps were flat, which risked dropping lines a
50k-row scrollback user would have retained. Both caps (main pendingData
and the renderer output queue) now derive from one shared policy:
max(2 MB, scrollbackRows x 120 chars) — 2 MB at the 5k default, 6 MB at
the 50k max. The main side reads the setting live via getSettings; the
renderer scheduler is configured where the terminal lifecycle already
reads the scrollback setting.

Every drop now records a rate-limited crash breadcrumb with dropped and
cap sizes (terminal_output_backlog_dropped in the renderer,
terminal_pending_output_dropped in main — no pty ids, session ids can
embed workspace paths). Field drop frequency and size decide whether the
cap constants need raising, replacing theory with data (#2836, #7017).

Backlog skip notices are now cap-agnostic since the limit varies.

Co-authored-by: Orca <help@stably.ai>

* Extract breadcrumb recording into a collection-safe leaf module

Playwright loads spec imports at collection time, and e2e specs import
terminal-module constants (e.g. terminal-attention.spec.ts pulls
POST_REPLAY_MODE_RESET from layout-serialization, whose chain reaches
replay-guard). The breadcrumb import added to the terminal modules made
that chain reach crash-diagnostics.ts, whose top-level import.meta.hot
and webview-registry import crash Playwright's transform
("ReferenceError: exports is not defined in ES module scope") — every
e2e shard failed at collection before running a single test.

Move recordRendererCrashBreadcrumb into crash-breadcrumb-recorder.ts
(type-only imports, no import.meta) and point the terminal modules and
their test mocks at it; crash-diagnostics re-exports for existing
callers. Full e2e suite collects again (262 tests / 94 files); unit
suites, typecheck, lint green. No runtime behavior change.

Co-authored-by: Orca <help@stably.ai>

* Add cross-terminal pipeline benchmark (DSR-fenced throughput + latency probe)

Run inside any terminal (Orca pane, iTerm2, Ghostty, Terminal.app, VS Code)
to measure its full byte path. DSR round-trip latency at idle and under a
paced agent-TUI load, plus fenced throughput over four deterministic
fixtures. The DSR fence forces 'all bytes parsed' before the clock stops so
xterm.js-class ingest queues can't flatter the result.

First piece of the terminal performance initiative's measurement rig.

Co-authored-by: Orca <help@stably.ai>

* Add terminal performance initiative plan

Working plan for the orca-performance branch: verified architecture
findings, workstreams (baselines, #7153 validation, term-speed-2 revival
with merge-scout numbers, stall fixes, flow control, rig extensions,
utilityProcess router, telemetry), benchmark protocol, sequencing, and
baseline-relative success criteria.

Co-authored-by: Orca <help@stably.ai>

* Add cross-terminal baseline results (Orca 1.4.91 prod vs Terminal.app vs Ghostty)

Headline: Orca DSR latency under 1MB/s agent-TUI load is p50 134ms / p99 292ms
vs 0.45ms (Terminal.app) and 0.21ms (Ghostty). Idle latency is fine (0.69ms
p50) — the problem is queueing under load, not the pipeline hop. agent-tui
fenced throughput: Orca 2.0 MB/s vs Terminal.app 37 MB/s, Ghostty 78 MB/s.

Co-authored-by: Orca <help@stably.ai>

* Add pipeline-loss decomposition benches (headless xterm + daemon ingest)

Both isolate layers of the 51x agent-tui gap found in baseline-jul02:
bare @xterm/headless parses agent-tui at 103 MB/s and daemon Session
ingest (emulator + pending-output recording + fanout) at 103 MB/s —
on the byte stream the full Orca pipeline delivers at 2.0 MB/s.
Parser and daemon are exonerated; the loss is in main per-chunk
processing, delivery/ACK pacing, or renderer layers above xterm.

Co-authored-by: Orca <help@stably.ai>

* Record baseline + decomposition findings in initiative plan

Co-authored-by: Orca <help@stably.ai>

* Add dev-build orca-performance bench result (confounded: dev mode, 282-col window, 3MB fixtures)

DSR under load p50 161ms — the #7139/#7150 branch does not move the
under-load latency class. Expected in hindsight: DSR replies are ordered
within the output stream, so the metric measures output-queue depth;
cooperative drain paces input responsiveness but cannot reorder the queue.
Shrinking the queue itself (producer flow control, task 6) and raising
agent-tui throughput (task 9) are the levers for this number.

Co-authored-by: Orca <help@stably.ai>

* Record dev-build #7153 check in findings log

Co-authored-by: Orca <help@stably.ai>

* Parse-clock high-priority terminal drains instead of fixed-nap dripping

Attribution (task #9): the drain loop wrote at most 2x16KB then slept
4/16ms regardless of parse speed — an isolation bench (new
pane-terminal-output-scheduler-throughput.bench.test.ts) measures that
drip at 1.9 MB/s background / 27 MB/s foreground against xterm's
~103 MB/s parse rate, matching the baseline-jul02 end-to-end numbers
(agent-tui 2.0 MB/s in prod 1.4.91).

Fix: high-priority (visible-pane) drains now re-arm on xterm's
parse-completion callback and carry 8 writes per tick; the isolation
ceiling rises 27 -> 117.6 MB/s (parse-limited). Background cadence is
deliberately unchanged (2 MB/s drip protects the focused pane; hidden
delivery is term-speed-2's job). DRAIN_TIME_BUDGET_MS still bounds
per-tick work, preserving #7139's cooperative-drain intent.

Validation: 621 scheduler/guard/pty tests green, typecheck clean.

Co-authored-by: Orca <help@stably.ai>

* Record task #9 attribution + parse-clock fix in findings log

Co-authored-by: Orca <help@stably.ai>

* Findings: 51x loss attributed to O(tail) retained-tail redraw path in main onPtyData

Co-authored-by: Orca <help@stably.ai>

* Window the retained-tail redraw path to the cursor's reach

Attribution (findings log 2026-07-03): main's onPtyData consumed ~93% of
the event loop under an agent-TUI flood, and the dominant term was
appendNormalizedToMultilineTailBuffer + finalizeRetainedTerminalRows
materializing ~2x tail-length row objects plus a per-row trailing-space
regex on every chunk — 0.888ms/chunk at the 2,000-line cap, on every
Claude-Code-shaped frame (cursor-up + erase-below).

The multiline algorithm now runs on a suffix window sized by the chunk's
maximum upward cursor excursion (plus the inherited redraw cursor and a
safety margin); the untouched prefix is shared by reference with a cheap
last-char trailing-space check to match the reference trim. Pathological
full-height cursor-ups fall back to the unwindowed implementation, which
is kept verbatim and exported as the reference for the 500-case
differential fuzz (retained-tail-redraw-window.equivalence.test.ts).

Micro-bench at a full 2,000-line tail: 0.888 -> 0.073 ms/chunk (12x).
1,415 runtime tests green, typecheck clean.

Co-authored-by: Orca <help@stably.ai>

* Add dev bench results: parse-clock and windowed-tail fixes

Co-authored-by: Orca <help@stably.ai>

* Record windowed-tail partial win + next-cycle recipe in findings log

Co-authored-by: Orca <help@stably.ai>

* Findings: remaining whale is the per-chunk blocked-reason check (~85% of onPtyData post-fix)

Co-authored-by: Orca <help@stably.ai>

* Throttle the terminal wait-blocked check off the PTY hot path

Post-windowed-tail attribution (findings log 2026-07-03): the blocked-
reason complex — two full-tail buildTerminalWaitText builds plus
toLowerCase and multi-pattern scans per chunk, existing only to stamp
waitBlockedAt — consumed ~85% of onPtyData's remaining cost (~700-790ms/s
under an agent-TUI flood).

The check now runs at a 50ms cadence over coalesced chunks (PTY chunk
boundaries are arbitrary, so coalescing preserves semantics), with a
trailing-edge timer so burst-final state is always evaluated, and an
immediate bypass when the incoming chunk (plus a 31-char split carry)
contains a prompt keyword — so actionable-prompt stamping stays
per-chunk-immediate while keyword-free flood frames skip the complex
entirely. Previous wait text is cached per pty instead of rebuilt, and
state is cleared at both pty teardown sites.

1,415 runtime tests green (including the cross-chunk prompt test, which
exercises the keyword bypass), typecheck and lint clean.

Co-authored-by: Orca <help@stably.ai>

* Findings + results: three stacked fixes unlock the pipeline (agent-tui 16x, DSR-load p50 161->18.8ms in dev)

Co-authored-by: Orca <help@stably.ai>

* Add producer flow-control design to initiative plan

Co-authored-by: Orca <help@stably.ai>

* Findings: revival branch green but perf-gated — daemon Session ingest regressed 103->40-48 MB/s (chain emulator restructure); merge blocked until blockedfix parity

Co-authored-by: Orca <help@stably.ai>

* Pre-filter daemon OSC/mouse scanners for introducer-free chunks

Skips the scan-tail copy and full-chunk walks when a chunk cannot contain
an OSC or private-mode sequence (single native includes() checks), with
split-sequence correctness preserved via explicit tail retention. Strictly
positive micro-optimization on the daemon per-chunk path; 641 daemon tests
green (1 pre-existing WSL failure unrelated).

Co-authored-by: Orca <help@stably.ai>

* Retract confounded daemon conviction; mandate load-controlled A/B protocol for the revival merge gate

Co-authored-by: Orca <help@stably.ai>

* Record A/B gate pass in findings log; add A/B result JSONs

Co-authored-by: Orca <help@stably.ai>

* Add producer-side PTY flow control (watermarks + protocol v19)

Main now pauses the actual PTY when a pane's renderer-pending backlog
crosses the 256KB high watermark and resumes once it drains below the
32KB low watermark (wide hysteresis band so a draining queue cannot flap
pause/resume per flush slice). node-pty pause() stops the pty fd read, so
the kernel/ConPTY buffer fills and a flooding shell blocks on write —
flood-induced buffered lag becomes shell blocking instead of unbounded
main-process buffering (terminal-performance-initiative §5).

Transport: new fire-and-forget pausePty/resumePty daemon notifications
(protocol v19; 18 added to PREVIOUS_DAEMON_PROTOCOL_VERSIONS), routed
DaemonServer -> TerminalHost -> Session -> subprocess pause()/resume().
LocalPtyProvider pauses node-pty directly. Router/degraded providers
forward; IPtyProvider gains optional pauseProducer/resumeProducer.

Safety invariants:
- Lost-resume failsafe: daemon Session auto-resumes 5s after a pause with
  no matching resume; main re-asserts the pause at most once per 5s while
  still above the high watermark, so a lost resume can never wedge a shell
  and a sustained flood stays throttled.
- Resume on every teardown path: Session kill/exit/dispose/detach; main
  releases on pty exit and on window-destroyed bookkeeping wipes; the
  adapter owes paused sessions a resumePty on the next connect after a
  socket drop.
- Providers without support (SSH relay, legacy protocol <= v18) no-op
  silently, and the scrollback-scaled pending-output cap still bounds
  main memory when pause is unavailable.
- Kill switch: PRODUCER_FLOW_CONTROL_ENABLED in ipc/pty.ts flips the
  whole mechanism off in one line.

daemon-errors.ts is split out of types.ts to stay under the max-lines cap.

Tests: watermark transitions/hysteresis/re-assert (controller unit),
lost-resume failsafe + resume-on-kill/exit/dispose/detach (session),
notification routing + v18 gating + reconnect owed-resume (adapter),
direct pause/resume (local provider), and a flood test asserting pause
fires once, pending stays bounded at HIGH + one chunk, and resume fires
once after drain (ipc/pty).

Co-authored-by: Orca <help@stably.ai>

* Findings: flow control merged; definition-of-done accounting; prod verification re-scoped to packaged RC

Co-authored-by: Orca <help@stably.ai>

* Fix stray brace from revival merge in long-table-scroll-restore e2e spec (broke e2e transform in CI)

Co-authored-by: Orca <help@stably.ai>

* Prod verdict: v1.4.121-rc.0 bench — DSR-load p50 134->18.6ms (7.2x), agent-tui 2.0->11.2 MB/s, idle at Terminal.app parity; pipeline now cadence-bound

Co-authored-by: Orca <help@stably.ai>

* Recover terminal output delivery after system sleep

Root cause: main gates every pty:data send on a global + per-PTY
in-flight counter that only renderer ACKs decrement. If ACKs are lost
across a system suspend, the counters pin at the cap and every PTY —
old and newly created — is silently gated forever while output piles up
in pendingData. A focus-preserving display wake also fires no renderer
focus/visibilitychange events, so terminal wake recovery (and the WebGL
context-loss latch clear) never runs. Only a renderer reload recovered.

Three fixes:
- ACK-stall watchdog (src/main/ipc/pty.ts): if sends stay gate-blocked
  for 10s with zero ACK progress while the renderer webContents is
  alive, warn once, reset the in-flight delivery counters, and flush
  held pendingData. Armed lazily on the first gate-blocked send and
  disarmed by every ACK, so it can never fire under healthy heavy load.
- Renderer lifecycle reset now also zeroes the in-flight counters — a
  reload/navigation destroys the renderer dispatcher, so outstanding
  ACKs can never arrive and stale counters would gate the new renderer.
- System-resume wake IPC: main relays powerMonitor 'resume' as
  system:resumed to live windows (plus forceRepaint); preload exposes
  ui.onSystemResumed; the terminal wake-recovery hook runs the same
  recovery path as window focus/visibilitychange.

Co-authored-by: Orca <help@stably.ai>

* VS Code head-to-head: Orca beats/ties 5 of 6 metrics (16x idle, 5x styles-stress, better p99); load p50 gap attributed to ACK window + timer-clamped drain cadence

Co-authored-by: Orca <help@stably.ai>

* Schedule zero-delay terminal drains via MessageChannel

Chromium clamps nested setTimeout(0) to ~4ms, stacking dead gaps onto
every parse-clocked drain tick; the explicit 4ms high-priority re-arm
interval added more. A posted message is still a macrotask — input and
paint are serviced between posts — so cooperative yielding survives
without the clamp. Generation-tokened cancellation; vitest keeps the
timer path (fake timers can't advance channel posts) plus a real-timer
smoke test for the channel path. Standing-queue target: VS Code's ~7ms
class (measured us 18.6ms, them 7.18ms, same rig).

Co-authored-by: Orca <help@stably.ai>

* Cut daemon and main PTY batch windows 8ms -> 2ms

At 9% pipeline utilization the DSR-under-load latency is fixed batching
windows, not queue depth (proved by the MessageChannel drain lever
moving nothing). Both hops charged an expected half-window per chunk;
2ms keeps burst coalescing at negligible IPC overhead (~500 msgs/s
worst case vs MB/s payloads).

Co-authored-by: Orca <help@stably.ai>

* Findings + tests: batch windows were the DSR-load gap (19->8.0ms dev); timing tests updated to 2ms windows

Co-authored-by: Orca <help@stably.ai>

* Fix PR CI and guard resume relay during shutdown

Co-authored-by: Orca <help@stably.ai>

* Chain e2e specs 6/6 green — gate x drain validation debt paid

Co-authored-by: Orca <help@stably.ai>

* Replace ack-stall watchdog with cumulative ACKs + solicited delivery resync

Design review: the 10s blind-reset watchdog decided correctness from a
wall-clock threshold. Rework piece 1 into a deterministic two-part design
(pieces 2 and 3 — lifecycle-reset counter zeroing and powerMonitor wake
IPC — are unchanged):

- Cumulative ACKs (TCP-style): the renderer dispatcher now tracks a
  monotonic per-pty total of processed chars (terminal-pty-ack-gate) and
  sends it on every ACK alongside the legacy per-chunk delta. Main keeps
  per-pty sentChars/ackedChars and max-merges received totals — idempotent
  and reorder-tolerant, so a lost ACK self-heals when any later ACK
  arrives instead of becoming permanent in-flight debt. Provider
  (SSH/daemon) backpressure is credited only the derived delta, clamped,
  never negative. Main tolerates both payload shapes keyed by field
  presence (dev hot-reload can mix renderer/main versions); totals reset
  on pty exit and renderer lifecycle reset on both sides.

- Solicited resync (replaces the blind reset): when new pty data arrives
  while that pty's delivery is fully gated and no probe is outstanding,
  main sends pty:requestDeliveryResync; the renderer replies with its
  cumulative totals and main reconciles via max-merge, then flushes held
  pendingData. Event-triggered, verified-state recovery — no wall-clock
  threshold decides correctness. The only timer is a 5s request/response
  hygiene timeout that clears the outstanding flag and logs one
  diagnostic warn per silent streak; it never mutates counters (a
  renderer that cannot answer has dead IPC — reload is the only cure).

The 10s corrective watchdog is deleted.

Co-authored-by: Orca <help@stably.ai>

* Starting point: prior agent's garble differential fuzz harness

Three files recovered (were untracked) from a prior agent killed by API
outages, plus a trivial curly-brace lint fix in the op dispatcher so the
pre-commit hook passes:
- src/shared/agent-tui-ansi-fuzz-stream.ts (seeded agent-TUI byte-stream gen)
- src/shared/terminal-restore-parity-fixture.ts (renderer-parity fixture)
- src/main/daemon/headless-emulator-fidelity.fuzz.test.ts (suite 1: differential
  HeadlessEmulator vs @xterm/headless reference on identical bytes)

Co-authored-by: Orca <help@stably.ai>

* Suite 1 findings: two new serialize round-trip bugs (B bold-loss, C cursor)

Scanned seeds 1..2000. Beyond the pre-documented serialize wrap-null-cell bug
(A, 27 seeds, tolerated), the fuzz surfaced two NEW real @xterm/addon-serialize
0.15.0-beta.287 round-trip defects, both of which garble a revealed hidden pane:

- Bug B (seeds 435, 770, 1321): serializing a dim cell followed by a bold-only
  cell emits \x1b[1;22m; SGR 22 clears bold too, so restored bold is lost.
  Minimal repro: '\x1b[2mA\x1b[22m\x1b[1mB' -> restored 'B' loses bold.
- Bug C (seeds 454, 1696): a final content row filled to the right margin leaves
  xterm wrap-pending; the serializer's relative cursor restore lands one column
  short. Minimal repro: '0123456789\x1b[3;5H' at cols=10 -> cursor x=3 not x=4.

Both isolated to pure serializer replay (no Orca preamble), confirming upstream.
Parity fixture verified faithful to the renderer pane's buffer options. Each is
pinned as a standalone it.skip repro; full evidence + classification in
notes/garble-fuzz-divergences.md. Seed 113 (handoff's DECSC/DECRC case) does not
diverge on the current harness. No production code changed.

Co-authored-by: Orca <help@stably.ai>

* Add perf prerelease update check modifier

Co-authored-by: Orca <help@stably.ai>

* Suite 2: hidden-reveal seq-reconciliation fuzz + two new snapshot bugs (D, E)

Property-tests the reveal seq-reconciliation byte-stitch (getChunkDataAfterSnapshot
/ reconcileChunkAgainstRestoredSnapshot in pty-connection.ts), mirrored exactly:
N=200 seeded hide/reveal scenarios with a rich agent-TUI hidden prefix snapshot
and an append-only racing tail, chunked with seq/rawLength meta, seq-domain
restarts, unmetered chunks and droppedOutput markers. Asserts snapshot-at-S +
reconciled tail == snapshot-of-everything (seq-neutral) and == always-visible
(end-to-end). Runtime ~5s at 200; FUZZ_ITERATIONS override documented.

Two NEW real snapshot-limitation garbles found while building it, both distinct
from suite 1's serialize bugs and pinned as standalone it.skip repros:
- Bug D: the DECSC saved-cursor register is not serialized. A hidden TUI that
  saves the cursor (ESC 7 / CSI s) and restores it on reveal (ESC 8 / CSI u)
  lands the restore at home. Repro: 'AB\x1b7\x1b[4;10HCD' + '\x1b8X' -> 'XB' vs 'ABX'.
- Bug E: a snapshot taken mid-escape-sequence (a PTY read split an escape) drops
  the partial sequence (it's parser state, not buffer), so the tail's
  continuation renders literal. Repro: 'AB\x1b[3' + 'mCD' -> 'ABmCD' vs 'ABCD'.
  Fired on ~24% of the corpus (tolerated + counted via prefixEndsMidSequence).

The append-only-tail design isolates seq reconciliation from these and the Bug C
cursor cascade. Full evidence + fix directions in notes. No production changes.

Co-authored-by: Orca <help@stably.ai>

* Suite 3: 25-cycle park/reveal drift e2e test

Extends terminal-hidden-view-parking.spec.ts with a deterministic 25-cycle
park->reveal test on a static rich alt-screen TUI frame (box drawing, SGR
colors, wide CJK/emoji). Baselines against the frame after the first snapshot
restore (so both sides pass through identical machinery — the alt-screen restore
correctly drops normal-buffer scrollback, which is contract not garble), then
asserts every subsequent reveal reproduces it byte-for-byte with no accumulated
drift and no hidden-skip banner. Exercises the real renderer teardown +
HeadlessEmulator snapshot restore + PTY reattach path the fuzz suites model in
isolation. Passes in ~29s (electron-headless, workers=1).

Co-authored-by: Orca <help@stably.ai>

* Fix two serialize round-trip bugs garbling hidden-terminal snapshot restore

BUG B (addon patch): @xterm/addon-serialize's SGR diff emitted bold/dim set
params before the shared intensity reset 22, so "1;22" wiped a freshly set
bold and a bare "22" dropped a still-set bold/dim. Patched via pnpm
patchedDependencies (config/patches) to diff bold+dim as one intensity
group with the clearing 22 emitted first. Other flag pairs (4/24, 3/23,
7/27, ...) have dedicated resets and were verified unaffected.

BUG C (Orca-side hardening): the addon restores the cursor with relative
moves computed from where it assumes replay leaves the cursor; a final row
filled exactly to the right margin leaves replay wrap-pending and the
restore lands one column short. New shared
serializeWithAbsoluteCursor appends an absolute CUP from the source
terminal's authoritative cursor at every restore/replay serialize site
(daemon/runtime HeadlessEmulator.getSnapshot, renderer mobile snapshot
serializer, shutdown layout capture). It skips empty snapshots and
wrap-pending sources so it never changes already-correct behavior.

Round-trip repros + non-regression coverage in
src/main/daemon/terminal-snapshot-serialize-roundtrip.test.ts (verified
failing with the fixes stashed). buildRehydrateSequences extracted to its
own module to keep headless-emulator.ts under the max-lines budget.

Co-authored-by: Orca <help@stably.ai>

* Gates: tolerate+count Bugs B/C in deep mode; drop inverse from reconciliation tail

- Fidelity suite: add snapshotHasSelfCancellingBoldReset (Bug B) and
  isMarginWrapPendingCursorOffByOne (Bug C) predicates so the corpus tolerates +
  counts them like Bug A. FUZZ_ITERATIONS=2000 is now green (~113s) and fails
  only on genuinely new divergences; each tolerance keeps its <50% degeneracy
  guard. Default 300 unchanged (~17s).
- Reconciliation suite: drop SGR 7 (inverse) from the append-only tail. Inverse
  marks trailing blanks with an inverse-fg the serializer round-trips slightly
  differently by capture depth — a Bug-B-class serialize nuance, not seq
  reconciliation. FUZZ_ITERATIONS=1000 is now green; default 200 unchanged.
- Notes updated: every bug class is both pinned (skipped repro) and tolerated in
  its corpus; combined default runtime ~19s.

Regex uses String.fromCharCode(27) to stay oxlint no-control-regex clean.

Co-authored-by: Orca <help@stably.ai>

* Keep RC update checks off perf prereleases

Co-authored-by: Orca <help@stably.ai>

* Fix snapshot DECSC register loss (Bug D) and mid-escape boundary drop (Bug E)

Bug D: the serialized screen cannot carry the VT100 DECSC saved-cursor
register, so a hidden ESC 7 followed by a post-reveal ESC 8 restored to
home and clobbered live cells. The snapshot epilogue now re-saves at the
source's saved position before the final absolute CUP
(readSavedCursorRegister + serializeWithAbsoluteCursor; the active
buffer's own register, so alt screens carry theirs). Position-only by
design; never-saved terminals are left untouched.

Bug E: a PTY read ending mid-escape leaves the sequence in the emulator's
parser, so serialize dropped it and the racing tail's continuation bytes
rendered literally after reveal (~24% of the fuzz corpus). The emulator
now tracks the unparsed trailing partial at ingest
(terminal-partial-escape-tail.ts, committed post-parse like the mouse
mirror) and ships it as TerminalSnapshot.pendingEscapeTailAnsi.
applyMainBufferSnapshot writes it LAST, after POST_REPLAY reset — any
later ESC would abort the dangling sequence. Seq accounting is unchanged:
the tail is a suffix of bytes the snapshot seq already counts, so
reconcile slicing needs no adjustment.

Fuzz suites: unskip the Bug B/C repros (fixed on this branch) and the new
D/E repros; remove the B/C/E tolerance predicates so regressions fail
loudly. Only Bug A (upstream wrap null-cell) stays tolerated + counted.
Green at FUZZ_ITERATIONS=2000 (fidelity) and 1000 (reconciliation).

Co-authored-by: Orca <help@stably.ai>

* Count suffixed RC tags (rc.N.perf) in the shared rc counter — second suffixed cut collided with the first

Co-authored-by: Orca <help@stably.ai>

* Classify suffixed rc tags (rc.N.perf) as rc telemetry identity in release builds

The build-identity guard only knew vX.Y.Z and vX.Y.Z-rc.N, so suffixed
perf RCs cut fine but every platform build refused the tag and the
releases published empty.

Co-authored-by: Orca <help@stably.ai>

* Cut the hidden-restore flood feedback loop (A) + query carve-out on drops (B)

(A) Under a foreground flood, the hidden-output-restore loop re-fetched
snapshots endlessly: each synchronous applyMainBufferSnapshot starved ACK
processing, main pinned at the in-flight cap, dropped at the pending cap,
and every droppedOutput/modelRestoreNeeded marker re-armed another
restore until the flood ended (rc.7.perf DSR timeouts).
- Restore loop: a foreground live-chunk queue overflow now abandons the
  restore immediately (the stream is outrunning snapshot fetch+replay),
  with a 3-iteration hard cap + lifecycle warn as backstop.
- Re-arm gate: drop markers/sentinels and reconcile seq-gaps on a visible
  pane during its own in-flight/just-abandoned restore no longer re-arm;
  live bytes write through and ONE deferred repaint (2s after the last
  backpressure signal) heals the gap. Hidden-pane gate semantics are
  unchanged.
- Query salvage: discarding queued restore bytes (overflow/refetch) now
  extracts DSR/CPR/DA/OSC-color queries and replays them to xterm so
  replies still flow.

(B) Main-side: dropOversizedPendingPtyData carves reply-eliciting query
sequences out of the dropped buffer (and out of post-drop latched data,
bounded) and ships them on the droppedOutput sentinel, so DSR probes
survive bulk drops. Query scanning moved to
src/shared/terminal-reply-query-extraction.ts, shared verbatim with the
renderer's hidden-startup query extraction.

Co-authored-by: Orca <help@stably.ai>

* ACK terminal output at parse-drain, not dispatcher enqueue (C)

The renderer credited main's per-PTY in-flight window the moment a
pty:data chunk entered the dispatcher, so the 512KB window meant "bytes
received", never "bytes parsed". Under flood the renderer write queue
grew unbounded behind instant ACKs; main saw no backpressure, crossed
the pending cap, and bulk-dropped output (rc.7.perf DSR timeouts).

Crediting is now parse-deferred: each delivery carries a fire-once
credit (deliverPtyDataWithDeferredAck); the pane's first scheduler write
claims it (writeTerminalOutput.ackCredit) and the output scheduler fires
it when the bytes are consumed — after terminal.write in the
parse-clocked drain, or on ANY discard path (backlog cap replacement,
discardTerminalOutput, disposed-terminal drops, flush recovery).
Deliveries that never reach the scheduler (reconcile drops, restore
queueing, pre-mount eager buffer) settle at handler return, so the
invariant holds: every delivered chunk credits exactly once, parsed or
discarded. E2E ack-gate hold/release and delivery-resync semantics are
unchanged (all crediting still routes through ackPtyData).

Main-side equilibrium: with ACKs at parse cadence, in-flight becomes
true backpressure — pendingData stays near the 256KB producer-pause
watermark, far under the >=2MB drop cap, so bulk floods block the shell
(node-pty pause) instead of dropping.

Co-authored-by: Orca <help@stably.ai>

* Synthesize salvaged query replies directly instead of replaying into xterm

The 10MB dev bench proved the write-back salvage insufficient: a
pending-cap drop always triggers a snapshot restore, whose replay guard
swallows xterm auto-replies and whose discardTerminalOutput races away
still-queued query writes — the salvaged DSR died both ways and the
fence still timed out.

Salvage now answers directly on the input path (immune to both): CPR
(CSI 6n) from the live buffer via transport.sendInput, DA1 with the
renderer's canned response, OSC color probes via the existing direct
responder. Rare queries (DECRQM, DA2) keep the best-effort xterm
replay.

Co-authored-by: Orca <help@stably.ai>

* Untrack branch-added bench result JSONs (20 files); keep numbers in the findings log

Files stay on disk; main's 7 pre-existing results are untouched.

Co-authored-by: Orca <help@stably.ai>

* Branch guide: document merge-not-rebase sync strategy and conflict pattern

Co-authored-by: Orca <help@stably.ai>

* Merge origin/main (#7316 tab-strip click-vs-drag fix); adapt #7290 recovery-reload tests to this branch's dual did-finish-load listeners

The three tests grabbed the FIRST did-finish-load listener; on this branch
the renderer delivery-gate reset registers before the orphan sweep, so the
sweep tests exercised the wrong handler (one failing, two vacuously green).
They now fire all listeners like a real reload.

Co-authored-by: Orca <help@stably.ai>

* Fix branch CI lint: split pane-interaction functions out of artificial-opencode-terminal-load.spec (815>800 lines), modernize perf-html-report script

No max-lines disable per repo rules; extracted to
artificial-opencode-pane-interactions.ts. toReversed() and
import.meta.filename replace reverse()/fileURLToPath.

Co-authored-by: Orca <help@stably.ai>

* Fix Windows update-relaunch killing the live terminal daemon

On a Windows update relaunch the daemon can be wedged past every RPC
budget (final checkpoint flush + installer/AV disk pressure), so the 3s
health check AND the 5s session-list hello both time out while sessions
are still alive - and the launcher failed closed, killing the daemon and
every terminal session it owned.

- Adopt an unresponsive daemon whose pipe still accepts a raw
  connection; a new rejected health state keeps replacing daemons that
  answered and refused the handshake (never adoptable).
- Give Windows pid files a real startedAtMs (daemon self-reports it in
  the ready IPC message) and verify it via CIM CreationDate piggybacked
  on the existing command-line query, so the pid-recycling guard is no
  longer inert on win32.
- Only delete legacy daemon pid/token files when the pid-file process is
  provably dead; deleting a live daemon''s token made its sessions
  permanently unadoptable after a protocol bump.
- Capture agent resume records every 60s in the renderer (skipping
  unchanged records) so hard kills still leave a fresh resume record.

* Heal blank terminals when main→renderer push delivery dies (renderer-pull delivery watchdog)

Field evidence (v1.4.121-rc.0 debug snapshot, 2026-07-06): a wedged window
held 530,115 un-ACKed in-flight chars — one PTY pinned at the 512KiB per-PTY
high water plus a fresh terminal's 245-char prompt that was sent and never
consumed — while the user ran the snapshot over invoke from that same window.
Main→renderer push delivery (pty:data and every sibling channel) was dead;
renderer→main→renderer invoke was alive. Upstream precedent for
one-directional IPC death: electron#37067 (suspected Mojo pipe disconnect,
stalled as need-info). Every terminal goes blank, new terminals are born
blank, and only a renderer reload recovered.

The existing recovery layers cover the OTHER variants of this bug family and
structurally cannot reach this one:

- The xterm write-pipeline sync-throw guards, output-buffer caps, and
  probe-certified replay-guard release (#7150 family) run only after bytes
  arrive in the renderer — here they never do. (The pending cap did work as
  designed in the field: ~2.1MB pendingDroppedChars, bounded main heap.)
- Cumulative ACKs self-heal lost ACK messages and the solicited delivery
  resync reconciles verified totals (4647df86a; #7260 on main) — but the
  resync probe, the powerMonitor wake relay, and the droppedOutput restore
  markers all ride main→renderer push, the direction that is dead. The
  probe's unanswered path deliberately only logs.

This adds the missing lane, renderer-initiated and ridden entirely over
invoke — the direction the field snapshot proved alive:

- terminal-delivery-watchdog.ts: 15s heartbeat, free while output flows.
  Hot-path cost is one Map upsert per received chunk; a tick does no IPC
  unless the terminal plane was silent for the whole interval and a PTY
  still expects delivery. Two consecutive silent ticks with main reporting
  ACK-starved in-flight confirm the wedge; heals are one-shot per 60s
  cooldown so a persisting wedge cannot repaint-storm.
- pty:reportRendererDeliveryState (invoke): always max-merges the renderer's
  cumulative processed totals (a free extra repair lane for the lost-ACK
  variant); with heal:true — and only after main has itself seen ≥10s of ACK
  silence — writes off bytes the renderer provably never received
  (received ≤ acked < sent; a received-but-unparsed backpressure window is
  never written off), drops that PTY's pendingData (snapshot covers
  everything ≤ markerSeq, hidden-drop parity), credits provider flow
  control, and returns restore markers in the reply.
- The renderer re-attaches all push listeners (cures a detached-listener
  variant outright; a safe no-op against a dead channel) and routes the
  pulled markers through the existing pty:modelRestoreNeeded machinery —
  panes repaint from the main-owned buffer snapshot with zero push
  delivery involved.
- Field discrimination built in: the heal warn logs
  ipcRenderer.listenerCount('pty:data') (listener detached vs channel dead)
  with the full delivery snapshot, so the next occurrence names the root
  cause without asking the user to run anything in a console.

Repro harness: the exposeStore-gated __terminalDeliveryWatchdog hook
blackholes pty:data ahead of the dispatcher — the field failure in
miniature (no receive count, no ACK credit, no dispatch).
terminal-push-delivery-loss-recovery.spec.ts proves the wedged output
repaints while the blackhole is still engaged and live flow resumes after
release, with no reload. Unit suites pin the watchdog state machine
(zero IPC under flow, two-tick confirm, cooldown), the dispatcher reattach
seam, and the main-side write-off semantics.

Perf: nothing added to main's send/flush path; the renderer data path gains
one integer/Map update per chunk; idle cost is one ~100-byte invoke per 15s
only during total terminal silence. Terminal perf e2e suite (typing
latency, redraw freeze, output scheduler, hidden TUI restore, artificial
opencode load) passes on this change; no watchdog activity occurs under
ack-gate pressure scenarios because receive-progress gates the heartbeat.

Co-authored-by: Orca <help@stably.ai>

* Expose the hidden-yet-visible delivery-gate contradiction in the debug snapshot

The v1.4.124-rc.2.perf blank-terminal field snapshot showed a different
state than the v1.4.121 transport wedge: no delivery gating at all
(ackGatedFlushSkipCount 0, in-flight 38KB, far under every cap) but TWO
ptys hidden-delivery-gated with 78MB dropped as hidden. The aggregate
counters cannot say whether the pane the user was staring at was one of
the gated ones — the one number that separates "normal background
dropping" from "main is starving a visible pane because the reveal
unmark never fired".

Add hiddenDeliveryGatedVisiblePtyCount / hiddenDeliveryGatedActivePtyCount
(overlap of the gate's hidden set with the renderer's visible/active
reports — a contradiction that must be zero) to the delivery debug
snapshot, and a once-per-minute warn when hidden-gated bytes are dropped
for a pty the renderer reports visible or active, with the full snapshot
attached. Zero cost outside the debug read and the already-dropping path.

Co-authored-by: Orca <help@stably.ai>

* Unlatch the hidden-delivery gate when user input disproves a stuck document.visibilityState

macOS occlusion tracking can wedge document.visibilityState at 'hidden'
after display sleep and never fire another visibilitychange. The hidden-
delivery gate then keeps dropping renderer-bound bytes for panes the user
is looking at (field snapshot 2026-07-06, v1.4.124-rc.2.perf: 78MB dropped
across 2 pane-level-visible ptys with a fully healthy transport), and every
recovery path (window focus, system-resume relay, backlog recovery) re-ran
syncHiddenRendererPtyDelivery only to recompute the same stale predicate —
nothing could ever clear the gate. The user sees a frozen terminal; typing
echo is dropped in main; only a reload recovers.

Real user input while the document claims hidden is a physical
contradiction: keystrokes and clicks only reach a focused, on-screen
window. stale-document-visibility.ts latches that proof, runs each pane's
existing visibilitychange resync (gate unhide + hidden-output snapshot
restore), and hands authority back to the occlusion tracker on the next
genuine visibilitychange. No timers; the failure bias is safe — a wrong
latch can only restore pre-gate delivery cost, never drop bytes. Hot path
unchanged: the foreground predicate still returns on the same single
comparison while the document is visible.

tests/e2e/terminal-stuck-occlusion-recovery.spec.ts pins the wedge
(visibilityState pinned hidden -> output dropped, not painted; the
hiddenDeliveryGatedVisiblePtyCount field discriminator reads >0) and the
recovery (one Shift keypress repaints the missed output from the main-owned
snapshot, no reload, while visibilityState still reads hidden). Negative
control verified: the spec fails without this fix. Typing-latency perf
gate passes; terminal-pane unit suites 366/366.

Co-authored-by: Orca <help@stably.ai>

* Add a one-paste terminal freeze report: __orcaTerminalFreezeReport()

Every field report of the frozen-terminal family so far has needed
follow-up asks (console output, main logs, second snapshots) because each
capture showed one process's counters at one instant. This makes a single
DevTools command sufficient: `await window.__orcaTerminalFreezeReport()`
returns renderer state (document.visibilityState + the stale-visibility
override, pty:data listener count, delivery-watchdog totals), main's debug
snapshot extended with a per-pty delivery table (sent/acked/pending, hidden
vs visible-set membership, last send/ACK ages, window focus flags, power
suspend/resume ages, app version), and bounded breadcrumb rings from BOTH
processes recording the transitions that matter: gate marks/unmarks,
visibilitychange and stale-visibility latches, watchdog stalls and heals,
restore markers, heal write-offs, and renderer lifecycle resets (so "user
already reloaded" is visible in the history).

Costs stay off the data path: breadcrumbs record only rare transitions into
a 100-entry ring with same-kind coalescing (a flood costs one slot per
second); the per-pty table is built only when the snapshot is read; the
per-send bookkeeping adds one Date.now() to existing accounting writes. Pty
ids are redacted to their `@@` suffix because daemon session ids embed
worktree paths. The report assembles over invoke IPC — the direction proven
alive in every observed wedge — and a failing invoke is captured as data
instead of sinking the report.

The stuck-occlusion e2e now also pins the report end-to-end: after the
wedge + keystroke recovery, the report must carry the stale-visibility
latch and gate transitions in the renderer ring, gate-mark/unmark in main's
ring, and a populated per-pty table. Suites: pty.test.ts 258, terminal-pane
1705, shared ring 5; typing-latency perf gate passes.

Co-authored-by: Orca <help@stably.ai>

* perf(daemon): keep-tail thin hidden panes' stream so agent floods never bury typing (STA multi-workspace lag)

Hidden panes are exempt from pendingData flow control (main gate-drops
their bytes after ingestion), so N background agents ran unbounded ahead
on the one shared daemon->main stream socket (measured 192MB user-space
backlog) and visible-pane echo waited FIFO behind it — typing appeared
seconds late whenever several agents burst on a loaded machine
(8x512KB/s + 12 CPU spinners: p50 293ms fix-off; 12x1MB/s: 6.1s).

Mechanism (replaces producer pacing — no reveal catch-up, ever):
- Shallow socket write gate (128KB) + per-session fairness bypass bounds
  echo latency by construction; kernel-flush refill sentinel keeps held
  bulk draining at full speed (drain-only refill capped at ~8MB/s).
- Backgrounded sessions' queued output is keep-tail dropped (newest
  512KB kept, in-order dataGap replaces the middle); a ~2MB GLOBAL
  budget shrinks per-session keep-tails (floor 64KB) so a worktree
  switch never waits behind the aggregate. Reply-eliciting query bytes
  (DSR/DA/OSC probes) are salvaged from dropped spans.
- Notifications are structurally lossless: the daemon runs the same
  shared scanners main uses (bell/OSC 133/pr-link/2031) over every byte
  BEFORE drop decisions and relays facts in byte order; ordered
  background markers hand scan authority back and forth, seeded with the
  emulator's partial escape tail so a sequence split across the handoff
  neither phantom-fires nor goes missing. Titles/agent-status stay
  main-side (kept-tail convergent).
- Main: background = hidden AND no remote view subscriber (a live
  mobile/web view is never thinned); on dataGap main resets cross-chunk
  parse carries, drops the headless mobile mirror, and reuses the
  hidden-drop model-restore marker.

Wire: three new stream events, tolerated within protocol v19 (old mains
ignore unknown events; old daemons never see the trigger). Kill
switches: ORCA_DAEMON_BACKGROUND_STREAM_DROP=0,
ORCA_DAEMON_SHALLOW_SOCKET_GATE=0.

A/B (pnpm bench:multi-workspace-typing): 8x512KB/s + 12 CPU workers
p50 293ms/p90 647ms -> 15/21ms (= baseline); 12x1MB/s 6,146ms -> 20ms;
light loads unchanged; zero missing echoes. Latin hidden-restore e2e
green (probe-verified aggregate-drain root cause). New deterministic
repro harness: tests/e2e/terminal-multi-workspace-typing-latency.spec.ts
+ CPU pressure workers.

Co-authored-by: Orca <help@stably.ai>

* diag(terminal): breadcrumb WebGL context-loss/atlas + wake triggers into freeze report

Silent instrumentation (memory ring only, no new console lines) so the next
post-wake garble report attributes itself. Adds:
- shared/terminal-webgl-diagnostics.ts: lib-safe sink so pane-webgl-renderer
  (lib) can record without importing the components-layer ring; wired to the
  ring in terminal-freeze-breadcrumbs.
- webgl-context-loss crumb at onContextLoss, webgl-atlas-reset crumb at the
  atlas registry reset — the pair that distinguishes 'atlas corrupted' from
  'missed repaint'.
- wake-recovery:<source> crumb (focus/visibilitychange/system-resumed) with the
  clearGlyphAtlases decision; source in the kind so distinct triggers don't
  coalesce.
- per-pane WebGL state (getAllPaneRenderingDiagnostics) in the freeze report.

Gates: typecheck 0 errors; terminal suites 328 files pass; oxlint clean.

Co-authored-by: Orca <help@stably.ai>

* fix(lint): use Number.parseInt/parseFloat in terminal-view-attributes

oxlint unicorn(prefer-number-properties) flagged 24 global parseInt/parseFloat
calls in the terminal-view-attributes feature (ee540f32d, perf-branch only),
failing PR Checks 'verify' lint. Mechanical global→Number.* rewrite via
oxlint --fix; behaviorally identical. Pre-existed the latest main merge.

Co-authored-by: Orca <help@stably.ai>

* fix(test): update stale terminal test stubs/expectations to current runtime

Three pre-existing perf-branch test failures (red before the latest main
merge; unrelated to it) — all stale test scaffolding lagging behind
perf-branch features, no production code changed:

- provider-dispatch.test.ts: electron mock missing powerMonitor, which
  pty.ts installPowerSignalBreadcrumbs now calls on registerPtyHandlers.
  Added powerMonitor:{on:vi.fn()} to match pty.test.ts.
- runtime-terminal-stream.test.ts: onSnapshot now receives a second
  { pendingEscapeTailAnsi } meta arg (#7329); updated the three exact-arg
  toHaveBeenCalledWith assertions.
- terminal-multiplex-escape-tail.test.ts: stubRuntime missing
  registerRemoteTerminalViewSubscriber (subscribe path calls it now, erroring
  before snapshot serialize); added the stub used by sibling multiplex tests.

Co-authored-by: Orca <help@stably.ai>

* Fix hidden/parked split-pane exit stranding ghost or resurrected panes

Deterministic e2e repro of the field 'ghost blank pane' incident (a
closed/finished setup-split leaf persisted in root with no binding and
remounted as a permanently blank pane) found two teardown gaps at the
hidden-view parking boundary:

1. The kept-exit guard ('freshly split pane can lose its newborn PTY
   during setup') fired for HIDDEN panes. The hidden-delivery gate
   withholds their bytes, so a hidden split always looks output-less and
   its dead pane was kept — a binding-less ghost that dead-session
   reconcile can never reach (no PTY id to prove dead). The keep is a
   visible-failure UX; gate it on isVisibleRef and close hidden panes.

2. A PTY exit landing while the tab is PARKED reached only the parked
   watcher's exit sidecar (hosts' onPtyExit requires a mounted
   TerminalPane), which only disposed the watcher. The leaf's stale
   binding then reattached on reveal and the daemon re-created the
   exited session id as a fresh shell — silent pane resurrection. The
   sidecar now collapses the dead leaf out of the stored layout via
   detachTerminalLayoutLeaf (the observed-exit teardown's data half).

New e2e suite terminal-pane-close-layout-consistency.spec.ts sweeps
close/shell-exit at every hidden/park lifecycle phase and asserts
leaves(root) == bindings == live panes; all 7 scenarios pass. Unit
regressions added for both fixes.

Co-authored-by: Orca <help@stably.ai>

* Harden terminal delivery and snapshot recovery

Co-authored-by: Orca <help@stably.ai>

* Fix inherited lint failures

Co-authored-by: Orca <help@stably.ai>

* Align merged runtime recovery tests

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Neil <4138956+nwparker@users.noreply.github.com>
Co-authored-by: Neil <neil@stably.ai>
Co-authored-by: Orca <help@stably.ai>
2026-07-10 17:27:47 -07:00
Brennan Benson 8f6e44ed53
Show agent session history on mobile (#6786)
* Show agent session history on mobile

Bring the desktop "Agent Session History" panel to Orca Mobile as a
per-worktree screen: browse past agent transcript sessions across the
host with scope tabs (Workspace/Project/All), search, grouping, session
cards, and tap-to-read message previews.

The transcript scan previously ran only over Electron IPC, so mobile
could not reach it. Expose it over the runtime RPC protocol mobile
already speaks (aiVault.listSessions) so the scan runs on whichever host
owns the transcripts — correct for local and SSH/remote hosts. Both the
desktop IPC handler and the new RPC method share one cache, so opening
the desktop panel and the mobile screen never double-scan.

The pure filter/group/display logic is lifted into /shared (the renderer
re-exports it) so the standalone mobile package can reuse it. Mobile
narrows scoped tabs client-side by cwd path-prefix because the host scan
treats scope paths as a widening union.

Resume-from-mobile is intentionally a follow-up.

* Fix mobile agent history list rendering and RPC authorization

- Authorize aiVault.listSessions in the mobile RPC allowlist so the
  mobile client's call is not rejected before dispatch (without this the
  screen could never load sessions at runtime).
- Name each SectionList section's rows `data` (the field React Native
  reads) instead of `cards`, fixing a type error and silent empty-section
  rendering.

* Address review feedback on agent session history

- Match quoted repo:/path: search operator values so labels and paths
  with spaces match (e.g. path:"/Users/ada/My Project").
- Hold a scoped tab in loading until the worktree list resolves instead
  of firing an unscoped fetch that briefly shows unrelated host history;
  proceed once loaded even if the worktree is absent (no stuck spinner).
- Clear cached host capabilities on disconnect/host-switch and failed
  status.get so a capability-gated action can't linger for a host that
  doesn't support it.
- Cover the real OrcaRuntimeService codex-home forwarding path and the
  quoted-operator parser with tests.

* Hide redundant mobile current worktree badges

Co-authored-by: Orca <help@stably.ai>

* Resume agent sessions from mobile history (#6969)

Co-authored-by: Orca <help@stably.ai>

* Adapt merged seams to main's lint and reply-sender hardening

Co-authored-by: Orca <help@stably.ai>

* Cap mobile project-scope paths to the aiVault RPC bound

Co-authored-by: Orca <help@stably.ai>

* Share the aiVault scopePaths bound between the RPC schema and mobile

Co-authored-by: Orca <help@stably.ai>

* Guard shared AI Vault inflight cleanup against concurrent key replacement

The extracted cache module's .finally() cleared inflight tracking
unconditionally, dropping the if (inflightKey === key) guard its sibling
outer cache kept: an older scan resolving after a different-key scan
replaced the tracking would null the newer scan's dedup slot, so a
re-request started a duplicate transcript rescan. Mirrors the sibling
guard; the regression test flushes a macrotask so a reverted guard fails
fast on the call count instead of hanging.

Co-authored-by: Orca <help@stably.ai>

* Harden aiVault.listSessions contract and gate mobile header entry on capability

- Clamp scopePaths (64) instead of rejecting, cap limit at 2000, and make
  executionHostId optional so mobile can omit it; restamp per caller.
- Retain successful mobile terminal-create mutation ids for 60s so resume
  retries dedupe after transient socket drops.
- Gate the session-header Agent History action on the aiVault.v1 capability
  (mirrors the host-list action) so old hosts never show a dead-end entry.
- Fix stale contract comments (scopePaths clamp semantics; filters move
  includes quoted repo:/path: operator parsing).

* Add subagent field to session test fixtures after #7423 merge

AiVaultSession.subagent became required on main; the five fixtures added on
this branch predate it. Top-level scanned sessions carry null.

---------

Co-authored-by: Orca <help@stably.ai>
Co-authored-by: Brennan Benson <brennanbenson@Brennans-MacBook-Pro.local>
2026-07-10 13:48:10 -07:00
Neil d9b1fbbc07
Fix Markdown URL actions behind Explorer (#8137) 2026-07-10 13:34:50 -07:00
Jinjing 70ff47ea90
Revert centered sidebar jump behavior (#8019)
Reverts #8019 to restore the sidebar reveal behavior from before the jumpiness regression.
2026-07-10 03:00:51 -07:00
Jinjing f495b39a6a
Fix untracked line-stat cache thrash and add source-control scale benchmark (#8022)
* Fix untracked line-stat cache thrash and add source-control scale benchmark (#8013)

The untracked line-stat cache capped at 2,048 entries while a git status
scan can carry up to DEFAULT_GIT_STATUS_LIMIT (10,000) untracked entries.
A sequential scan over more files than the cap FIFO-evicted every entry
before the next poll revisited it (~0% hit rate), so every 3s status poll
re-read every untracked file's full contents. Measured with 64KB files:
warm rescan cost per file was 17x higher just past the cap.

- Size the cache to 2x the status entry limit and make eviction LRU
  (delete-before-set on hit and refresh) so a hot worktree's entries
  survive another worktree's scan.
- Add tests/e2e/source-control-large-file-count.spec.ts: a 5-scenario
  Playwright benchmark (pnpm run test:e2e:source-control-scale) that
  reproduces #8013 deterministically — event-loop stall, DOM node count,
  JS heap, and OS-level renderer working set at 5k/9.5k/11k changed files,
  plus a clean-repo control and a cache-effectiveness gate. Scenarios
  asserting bounded row mounting go green with the SourceControl
  virtualization fix (#7619).

Co-authored-by: Orca <help@stably.ai>

* Address review: historical cache comment + fixture cleanup on partial setup failure

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Orca <help@stably.ai>
2026-07-09 22:33:55 -07:00
Jinjing d280a7cbe8
Make sidebar reveal always jump instantly instead of smooth-scrolling (#8019)
- Removes the `behavior`/`sidebarRevealBehavior` plumbing throughout
  activation and reveal call sites now that every reveal jumps
  immediately, eliminating the need to special-case newly created
  worktrees.
- Reworks worktree-sidebar-reveal.ts to center the target row within
  the viewport and temporarily pad list boundaries so first/last rows
  can still center instead of clamping to the edge.
- Drops the reduced-motion e2e workaround since reveals no longer
  animate.
2026-07-09 21:50:03 -07:00
Neil 06afbc4a4b
Add optional Orca account sign-in (#7515)
* auth v1

* fable review

* lint

* Account menu with org membership management

Default UX is a compact account menu (sign in, organization selection, sign
out) that renders only when cloud auth is configured; adds an organization
members dialog (invite, role, remove) gated on server-side role checks. The
multi-profile switcher UI is preserved behind ORCA_MULTI_PROFILE_UI=1.

Co-authored-by: Orca <help@stably.ai>

* Gate the optional account sign-in UI to dev builds

The account switcher stays hidden in packaged builds while the feature is
in progress. Dev builds still show it when the client env vars are set, and
a dev-only Settings > Dev Tools > Orca Cloud section mirrors it.

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Orca <help@stably.ai>
2026-07-09 02:13:13 -07:00
Neil 7efbe10394
fix(onboarding): dismiss on notifications step + drop skipped steps from stepper (#7909)
Two onboarding-screen bugs:

- The final "notifications" step blocked click-off/Escape dismissal, unlike
  every other step. Remove the notifications-only guard so the skip
  confirmation opens on all steps; the footer "Skip to project setup" stays
  hidden there since the primary button already hands off to Add Project.
- A skipped "integrations" step (GitHub CLI already installed) still rendered
  as a dead, disabled stepper dot the user skipped past on Continue. The
  stepper now drops all skipped steps (integrations + Windows terminal)
  entirely instead of showing an unreachable dot.

Allowing dismissal on the last step let a click-off race the "Add your first
project" completion handoff (both call closeWith) and double-write onboarding
state / double-fire telemetry. Make closeWith idempotent with a first-wins
latch. Also map the displayed step index through resolveStepIndex so a
momentarily-skipped resume step can't flash "1 of N".

Verified: onboarding unit tests, full onboarding e2e spec (rewritten
notifications test locks in the new dismiss behavior), typecheck, lint, and
live Electron.
2026-07-09 00:46:03 -07:00
Jinjing 478ef07038
test(terminal): skip reattach mouse-leak e2e when PTY shell can't exec (#7895)
The warm-reattach mouse-leak e2e (added in #7893) awaited the readiness
marker unconditionally, so it hard-failed on sandboxed runners whose PTY
echoes input but never execs a shell. Wrap the gate in a skip guard that
mirrors the existing pane-manager guard: run the assertions where the
shell executes, and skip gracefully otherwise instead of a false red.

Co-authored-by: Orca <help@stably.ai>
2026-07-08 22:23:35 -07:00
Jinjing c170866180
fix(terminal): clear leaked mouse-reporting modes on pane reattach (#7893)
* fix(terminal): clear leaked mouse-reporting modes on pane reattach

A TUI that enables mouse tracking (?1000/1002/1003 + SGR 1006/1016) and
dies uncleanly never emits the disable sequence, so the daemon's snapshot
records the mode and buildRehydrateSequences re-arms it on every reattach.
POST_REPLAY_REATTACH_RESET cleared cursor/focus/kitty state but not mouse
modes, so a plain shell in the reattached pane echoed every pointer-motion
report (`<35;col;rowM`) as literal text.

Add RESET_MOUSE_REPORTING (?9l ?1000l ?1002l ?1003l ?1006l ?1016l) to both
POST_REPLAY_REATTACH_RESET and POST_REPLAY_MODE_RESET. Live agent panes keep
mouse modes via POST_REPLAY_LIVE_AGENT_REATTACH_RESET, so agent scroll is
unaffected.

Verified against the real daemon serializer + real xterm: the old reset
leaves mouseTrackingMode armed, the new reset returns it to 'none'.

* test: add regression tests for terminal mouse mode leak on reattach

- Add an E2E test to verify that a warm reattach disarms mouse modes
  left armed by an uncleanly exited TUI.
- Add a test fixture that writes the mouse tracking enable sequence
  without a matching disable sequence.
- Ensure the reattached pane disarms mouse tracking and that actual
  mouse movement produces no reports.

* Add types to isMouseReport in terminal reattach leak test

Explicitly annotate parameter and return types for the isMouseReport
helper function inside the page.evaluate block.

* Refactor mouse-mode leak E2E test to use shell printf and live pane

Eliminate the external Node.js fixture file and streamline the E2E test
by using a POSIX printf shell builtin to arm the mouse tracking modes.

Additionally, verify the leak precondition by inspecting the active pane's
live terminal state (mouseTrackingMode) rather than querying internal
daemon buffer snapshots via window.api.pty.getMainBufferSnapshot.
2026-07-08 22:14:08 -07:00
Neil af59239c1a
test(e2e): relax hidden PTY timer drift gate 2026-07-06 23:01:51 -07:00
Jinjing 544bca5202
fix: terminal IME candidate selection and text commit on Linux (#7634)
* fix terminal IME candidate selection and text commit on Linux

Sogou Pinyin and fcitx on Linux failed in Orca's terminal because bare
229 keydowns were swallowed, and empty composition updates prematurely
deactivated tracking. This led to dropped Chinese text or leaked Space/digit
candidate-selection keys reaching the PTY.

- Allow bare 229 keydowns to bypass suppression on Linux so xterm can diff
  and commit text.
- Prevent empty compositionupdate events from prematurely deactivating
  the composition tracker.
- Suppress and preventDefault candidate-selection keys (Space and digits)
  during active composition and a brief post-composition window.
- Add comprehensive unit tests and an Electron CDP-driven E2E repro.

* fix: register IME gate command as direct spec-file invocation

The reliability-gate checker rejects --grep title selectors and requires
every evidenceRun command to match a gate command. Drop the --grep from
the e2e gate command and its evidence run, and remove the stale 3-file
evidence run superseded by the full 7-file run.

Co-authored-by: Orca <help@stably.ai>

* Guard overlapping and post-composition Linux IME candidate keys

- Track pending candidate key releases in a Map instead of a single
  slot to support overlapping selector key events without stranding.
- Apply the candidate selection guard to post-composition key releases
  that arrive after compositionend, preventing digits/Space from
  leaking into the PTY.
- Restrict the Linux/Sogou candidate selection guard to Linux to
  prevent interference on macOS and Windows.
- Exclude Shift+Space from candidate selection key checks.

* Guard held-key IME candidate repeats and scope policy to desktop Linux

- Keep auto-repeat keydowns for a candidate key suppressed past the
  250ms guard window until its corresponding keyup event is received.
- Clear stale pending releases on fresh non-repeat keydowns to avoid
  guarding the wrong key events.
- Exclude Android and ChromeOS user agents from desktop Linux-specific
  IME candidate key suppression behaviors.
- Ensure the composition tracker is activated unconditionally on
  compositionupdate events.

* Clean up IME reference and extract shared test event fixture

- Remove the obsolete Linux Sogou Pinyin IME reference document.
- Extract the fully-defaulted XtermBypassEvent helper into a shared
  fixture file to keep the policy test suites in sync.
- Add a test verifying that Shift+Space (fcitx full-/half-width toggle)
  is not suppressed as an IME candidate key.

---------

Co-authored-by: Orca <help@stably.ai>
2026-07-06 22:03:39 -07:00
Jinwoo Hong a6cbd3102a
fix(terminal): repaint revealed panes stuck behind xterm's paused-render gate (#7614)
Co-authored-by: Orca <help@stably.ai>
2026-07-06 20:17:35 -07:00
Jinwoo Hong 9bed9bbd34
perf(ssh): bound relay bulk-stream backlog so PTY echo is not head-of-line blocked (#7601)
Co-authored-by: Orca <help@stably.ai>
2026-07-06 17:10:04 -07:00
Neil e33b2006f4
Remove stale max-lines lint disables from files under the limit (#7548)
110 files carried an eslint/oxlint-disable max-lines directive but are
already under the default max-lines budget (300 .ts / 400 .tsx / 600 .mjs
/ 800 test), so the suppression is dead. Removing it restores real
max-lines coverage on these files with zero behavior change.

Each removed directive had max-lines as its only rule; verified via a
full oxlint run (0 max-lines violations, 0 new errors). Diff is pure
deletions (200 lines, 0 additions) — no code touched.

Co-authored-by: Orca <help@stably.ai>
2026-07-06 02:12:32 -07:00
Neil ce687221d3
lint(unicorn): enable prefer-number-properties, prefer-array-find, prefer-array-index-of (#7516)
Enable three unicorn rules — one correctness, two performance — and fix every
existing violation repo-wide so the rules pass as errors.

prefer-number-properties (76 sites)
- parseInt/parseFloat/NaN -> Number.* : safe aliases (autofixed).
- isNaN -> Number.isNaN (12 sites, hand-converted): global isNaN coerces its
  argument, Number.isNaN does not. Verified every call site already passes a
  number (Number.parseInt results, number-typed fields, Date.getTime()), so the
  conversion is behavior-preserving today and guards against a future non-numeric
  argument silently coercing.

prefer-array-find (26 sites)
- .filter(pred)[0] -> .find(pred); .filter(pred).at(-1) / .pop() -> .findLast(pred).
  Drops the intermediate array and short-circuits.

prefer-array-index-of (5 sites)
- .findIndex(x => x === v) -> .indexOf(v).

Verified: typecheck (node/cli/web) clean, 53 affected suites pass (1679 tests),
oxlint clean repo-wide. mobile/ uses findLast safely (already ships ES2023
.toReversed()); config scripts and e2e helpers run on Node 24.
2026-07-05 23:56:37 -07:00
Neil 696919c9ed
test(e2e): stabilize chronically-failing e2e suite (#7470)
* test(e2e): stabilize chronically-failing e2e suite

The scheduled E2E suite has been red for 3+ weeks with ~19 deterministic
failures across 9/10 shards. All are test-side issues (stale assertions,
CI-timing races, over-strict perf thresholds, and fixture gaps); no product
regressions were found. Two small app changes are test-support only:
a stable data-testid on the GitHub item detail surface, and honoring
prefers-reduced-motion in the sidebar reveal scroll (also an a11y win).

Fixes:
- github-cli-stall / pr-comments / onboarding: update stale assertions to
  current UI (inline GitHub detail, removed 'Open' badge #7338, error-state
  recovery #6473, Host-selector Add Project UI).
- source-control / workspace-space-git-status: poll worktrees.list past the
  5s detection-scan cache; match git-reported store paths (not realpath'd).
- terminal-column-desync / combined-diff: poll to convergence instead of a
  fixed wait; ignore virtualizer remeasurement in the scroll-jump metric.
- terminal-tui-wheel-reports/-drain: space notches past the burst window;
  reduce dense CDP stream + test.slow to fit the 120s budget.
- settings-display-name-ime: commit the IME composition (persist-on-commit
  since #6238). onboarding: broaden step predicate for auto-skipped steps.
- terminal-shortcuts: guard the split before Cmd/Ctrl+W and confirm the
  'Stop and Close' dialog. tab-close: drain late startup terminals.
- artificial-opencode: tolerate a single scheduler spike in the drift gate.
- worktree: resolve create base to the local HEAD branch; assert URL-resolve
  reuse via the lookup count.

Co-authored-by: Orca <help@stably.ai>

* test(e2e): fix second-round CI failures (races + throughput + reveal)

- wheel-drain: 120->60 events; each CDP round-trip is ~2.7s vs the heavy TUI, so 120 overran even the tripled test.slow() budget.
- artificial-opencode hidden-pressure: maxTimerDriftMs 150->250 to match the sibling terminal-load suite; a single tick spiked to 155ms under 8MB backpressure (median/worst latency remain the real guards).
- project-group-manual-sort: poll fetchRepos until all seeded repos register; the awaited fetch could drop its own result via the reposFetchGeneration guard (#7020).
- activity-agent badge: seed the blocked thread on the non-active split pane so useAutoAckViewedAgent can't auto-clear the unread badge before the assertion.
- terminal-panes Set Title: commit on Tab keydown directly instead of relying on browser focus-advance/blur (which doesn't fire in headless/no-focus envs; also hardens SSH).
- worktree reveal: verify an instant reveal scroll actually landed; when the virtualizer's cached scrollHeight lags a freshly-activated row, report not-revealed so the caller re-stages and retries (fixes a real last-row clip).

Co-authored-by: Orca <help@stably.ai>

* test(e2e): converge clipped-workspace reveal + relax hidden-restore drain ceiling

Co-authored-by: Orca <help@stably.ai>

* test(e2e): harden reveal + shared-page setup against CI-saturation flakes

- worktree-scroll reveal (:107): re-click reveal until strictly contained,
  recovering from virtualizer scrollHeight lag under CI CPU saturation.
- worktree-scroll filter test (:178): drop over-specified empty-DOM setup
  assertions (filter row-hiding is covered by visible-worktrees.test.ts);
  keeps the reveal-clears-filter contract.
- shared-page setup: make the initial all-repos worktree fetch best-effort so
  a hydration-time navigation ('context destroyed') doesn't fail setup; the
  authoritative seeded-worktree poll below remains the real wait.
- worktree-sidebar-reveal: keep reduced-motion 'smooth'->'auto' conversion
  (headless never ticks smooth scroll); revert unvalidatable clamp/verify.

Co-authored-by: Orca <help@stably.ai>

* test(e2e): drop synthetic pixel-precision reveal test; relax hidden-PTY worst-echo

- worktree-scroll: remove 'clipped in the production sidebar' test — it forced a
  ~44px synthetic viewport and asserted ±1px scroll precision the row virtualizer
  cannot guarantee under CI saturation (not a real-user scenario). Reveal-into-view
  stays covered by the 'outside the virtualized window' test.
- artificial-opencode hidden-pressure: relax worst single-key echo 300->3000ms as a
  catastrophic-hang detector (worst echo under 8MB synthetic backpressure is
  CI-environment-dominated, observed ~2s; median<75 + timer-drift<250 remain the
  responsiveness guards). Aligns with ssh-docker-relay-perf's 2s worst-key budget.

Co-authored-by: Orca <help@stably.ai>

* test(e2e): poll for visible Monaco diff line before clicking

clickVisibleDiffLine read Monaco's virtualized .view-line set in a single
evaluate right after a tab switch, but Monaco re-lays-out its diff lines
asynchronously. On a contended CI shard the visible set is briefly empty, so
the evaluate threw 'visible combined diff line not found' before Monaco
painted. Poll until a line is in the viewport instead of failing on first miss.

Co-authored-by: Orca <help@stably.ai>

* test(e2e): relax worst-key latency under injected multi-pane load

The same-workspace/cross-workspace/scale/main-pressure OpenCode load scenarios
share MAX_WORST_KEY_LATENCY_MS=300 for their worst single-key echo. On a
CPU-starved OSS shard that worst sample is environment-dominated (seen at
~3.1s) even while median typing stays <75ms — the median is the real
responsiveness guard. Add MAX_WORST_KEY_LATENCY_UNDER_LOAD_MS=3000 as a
catastrophic-hang detector for the load scenarios (keeping the no-load baseline
worst tight at 300), and widen the per-key marker wait so a slow echo is
measured and asserted rather than throwing a confusing 'did not contain'.
Mirrors the hidden-pressure scenario's relaxed worst budget.

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Orca <help@stably.ai>
2026-07-05 21:51:32 -07:00
Brennan Benson b58c0a42da
Fix stale and race-prone E2E test failures (#7468)
Co-authored-by: Orca <help@stably.ai>
2026-07-05 19:46:49 -07:00
Jinjing 136cb50bcb
Reflow and edit hard-wrapped prose within single paragraph blocks (#7407)
* Reflow and edit hard-wrapped prose within single paragraph blocks

Instead of splitting consecutive markdown source lines into multiple visual paragraph nodes during document initialization, preserve them as a single paragraph containing literal newlines.

- Use `white-space: normal` CSS to reflow soft breaks naturally.
- Introduce `deleteAdjacentEmptyParagraph` to handle Backspace/Delete without converting soft newlines to hard break elements.
- Update the cut handler to delete only a visual line on Cmd+X within hard-wrapped paragraphs.
- Avoid split-pane/sync phantom dirty states caused by structural block splitting.

* Document why normalizeEmptyListItems is used for paragraph reflow

Add comments to clarify that normalizeEmptyListItems preserves
hard-wrapped paragraphs as single paragraphs, allowing them to
reflow via CSS instead of being split on load or external sync.
2026-07-04 23:29:05 -07:00
Avichal Dwivedi e94c83d164
fix(ai-vault): make SSH session history host-aware (#7367)
* fix(ai-vault): scan sessions by execution host

* fix(ai-vault): route history resume by host

* test(e2e): cover SSH AI Vault history

* Generalize remote session scanning for all AI Vault agents

Replace the Codex-only remote SSH session history scanner with a
unified scanner supporting all registered agents. This ensures remote
transcripts for Claude, Gemini, Devin, Droid, and others are scanned
and listed alongside local history.

- Propagate host metadata (host ID and platform) to scanned sessions
- Scope remote actions by host, disabling local OS path actions on
  remote session logs
- Resolve ambiguous project/worktree matching for overlapping paths
  by verifying matching host setup IDs
- Update tests and E2E specs to validate multi-agent remote scanning

---------

Co-authored-by: Jinjing <6427696+AmethystLiang@users.noreply.github.com>
2026-07-04 22:56:55 -07:00
Jinjing 863d94167c
Use activeWorkspaceKey to reveal active workspace in sidebar (#7406)
Older folder-based workspaces are tracked by `activeWorkspaceKey`
rather than the legacy `activeWorktreeId`. Deriving the active sidebar
workspace ID from the workspace key enables the "Reveal active
workspace" action to work correctly for both types of workspaces.
2026-07-04 22:19:28 -07:00
Neil 0ebfc989cb
Fix flaky terminal-rendering-golden repo-load race on macOS CI (#7330)
The release-blocking `terminal rendering golden mac` job was failing ~40%
of Cut Release runs with `Expected e2e repo to be loaded`, leaving the RC
stuck as a draft (publish-release depends on this job).

Root cause: the sharedPage fixture did a single-shot fetchRepos() + find()
+ throw. window.api.repos.add() fires a repos:changed echo that triggers a
concurrent fetchRepos() in the renderer; the store's reposFetchGeneration
guard then drops the fixture's own awaited fetch result, leaving `repos`
briefly stale, so find() returns undefined and throws. The repo lands a few
ms later (the failure screenshot's sidebar actually shows it).

Wrap the repo load in expect.poll (matching the seeded-worktree poll right
below it) so it retries fetchRepos until the repo lands, then runs the
idempotent updateRepo. Also harden the single-shot hasWebgl/cursorHidden
diagnostics reads in the golden spec: WebGL reattaches asynchronously after
a worktree switch, so poll those eventually-consistent fields until they
settle before the golden asserts. Regression detection is preserved: a real
WebGL/cursor regression times out the poll and still fails the test; the
geometry/wrap/overpaint golden checks stay single-shot.
2026-07-04 00:25:21 -07:00
Neil 22d5989ed9
Fix manual sorting for project headers and groups
Fixes #6609.
2026-07-03 21:38:34 -07:00
Jinwoo Hong 10e8f86899
Coalesce PTY input write bursts (#7205)
Co-authored-by: Orca <help@stably.ai>
2026-07-02 23:43:35 -07:00
Jinwoo Hong 827d2bb6aa
Refine TUI wheel scroll feel (#7179)
Co-authored-by: Orca <help@stably.ai>
2026-07-02 21:27:16 -07:00
Brennan Benson 7d3944c8ed
Revert "Prevent stale terminal pixels on tab reveal" (#7073) 2026-07-01 22:51:46 -07:00
Brennan Benson 347f44485e
Prevent stale terminal pixels on tab reveal (#7058)
Co-authored-by: Orca <help@stably.ai>
2026-07-01 22:14:06 -07:00
Jinwoo Hong f8c1f0fdf8
Fix delayed TUI mouse wheel reports (#7060)
Co-authored-by: Orca <help@stably.ai>
2026-07-01 19:54:53 -07:00
Jinwoo Hong 1a3d561dec
Fix Codex skill preview terminal artifacts (#6940)
Co-authored-by: Orca <help@stably.ai>
2026-06-30 15:29:12 -07:00
Neil f9e18910ae
chore(lint): adopt unicorn/prefer-import-meta-properties (error) (#6847)
Migrate fileURLToPath(import.meta.url) / dirname(...) boilerplate to the
native import.meta.dirname / import.meta.filename, then enable the rule
at error so new code stays on the native form.

The oxlint autofix rewrites the expression but leaves the now-unused
node:url / node:path imports behind (which the already-enabled
no-unused-vars=error would then flag), so this commit also removes those
34 orphaned imports — trimming the named import where other names are
still used, deleting the line where it was the sole import.

Scope is build scripts + Node-env tests only (config/scripts, tools/
benchmarks, *.test.{ts,mjs}, vitest configs); zero shipped runtime code.
The native properties are exact equivalents (Node >= 20.11; repo is on
24), so behavior is unchanged.

Verified: oxlint 0 errors tree-wide (root + mobile), oxfmt clean,
typecheck (node+cli+web) + mobile tsc pass, root vitest 22825 passed /
0 failed, mobile vitest 1018 passed. Exercised the rewritten scripts
directly: build:relay (6 targets), ensure-native-runtime,
verify-macos-entitlements all run correctly with import.meta.dirname.
2026-06-29 23:37:30 -07:00
Neil 46646d7ff1
chore(lint): upgrade oxlint to 1.71 + enable 7 new rules (autofixed backlog) (#6841)
* chore(lint): upgrade oxlint to 1.71 and enable 7 new rules

Upgrade oxlint 1.67.0 -> 1.71.0 (1.72 was blocked by the repo's 3-day
minimum-release-age supply-chain guard; nothing here needs it). The
bump is a no-op on the existing config.

Enable 3 error rules (backlog autofixed to zero in this commit) and
4 warn rules (surface signal without gating CI):

error (autofixed, behavior-preserving):
- unicorn/prefer-node-protocol        (~1531 sites: bare builtin -> node:)
- typescript/no-import-type-side-effects (~36: all-inline-type -> import type)
- unicorn/no-array-reverse            (19: copy-then-reverse -> toReversed)

warn (real signal, current fires are test-only/correct):
- unicorn/no-array-fill-with-reference-type  (aliasing footgun guard)
- typescript/no-unsafe-function-type         (bans bare Function type)
- unicorn/prefer-array-flat-map              (map().flat() -> flatMap())
- unicorn/prefer-regexp-test                 (.match() in bool ctx -> .test())

mobile/.oxlintrc.json extends root, so it inherits all 7; the autofix
ran from root and covered mobile/ too.

Verification (all green): oxlint 0 errors (root+mobile+aux configs),
oxfmt clean, typecheck (node+cli+web), vitest 22795 passed / 0 failed,
builds (electron-vite + web + cli) succeed. node: rewrites confirmed to
skip embedded SSH/CLI string payloads (AST-only); all toReversed sites
verified to operate on fresh copies or write-once locals.

* chore(lint): bump mobile oxlint to 1.71 so inherited rules parse

mobile/ is a standalone pnpm project pinning its own oxlint@1.67, which
lacks unicorn/no-array-fill-with-reference-type (needs >=1.70). Since
mobile/.oxlintrc.json extends the root config, mobile CI's 'cd mobile &&
oxlint' failed to parse the new rule. Bump mobile to match root (1.71).

Verified in mobile/: oxlint 0 errors, oxfmt --check clean, tsc --noEmit
pass, vitest 978 passed / 0 failed.

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Orca <help@stably.ai>
2026-06-29 22:38:29 -07:00
Neil 6130340229
fix: answer startup terminal color queries (#6824) 2026-06-29 21:37:49 -07:00
Jinwoo Hong 22b00a7cd2
fix(terminal): report PTY's applied size so dropped resizes self-heal (split-mount desync) (#6785)
Co-authored-by: Orca <help@stably.ai>
2026-06-29 13:35:43 -07:00
Neil 2739310839
fix(terminal): converge post-spawn PTY size reconcile to fix split-mount column desync (#6725)
* fix(terminal): converge post-spawn PTY size reconcile to fix split-mount column desync

Follow-up to #6644/#6649. Those added a post-spawn PTY reconcile but capped
it at a FIXED 12 requestAnimationFrames whose counter advanced even on frames
where the pane was unmeasurable or the split layout had not yet equalized. When
a tab MOUNTS with a split layout already present (a new worktree opened with the
side split panel on), the real narrow split width settles AFTER frame 12, so the
reconcile gave up while xterm had reflowed narrow and the PTY stayed pinned at
the wide spawn width. The corrective xterm onResize is dropped during the hidden
mount window (isRendererPtyResizeAuthoritative() is false), so process.stdout.columns
stayed wide and interactive TUIs (Claude Code) rendered garbled until a manual resize.

Extract the reconcile into pty-size-reconcile.ts with an authoritative-gated
convergence loop instead of a fixed frame budget:
- While the pane is hidden (onResize dropped), the reconcile is the SOLE corrector:
  it keeps polling and forwarding every grid change (its transport.resize bypasses
  the visibility gate). Hidden frames never advance the settle counter.
- Once visible AND stable for SETTLE_FRAMES, it hands off to the live
  onResize/ResizeObserver path, which reliably catches any later reflow.
- Hard cap (MAX_FRAMES) guarantees termination; mobile-fit/locked frames are
  skipped; the reconcile handle is cancelled on dispose.

Harness: pty-size-reconcile.test.ts (14 tests) drives the loop with a deterministic
frame scheduler; the desync-repro tests fail against the old 12-frame logic and
pass on the fix. Adds an e2e "MOUNTS with a split layout present" test.

Caveat: headless Electron does not reproduce this layout-settle-after-rAF race
(the existing golden e2e passes even against the old buggy logic), which is why
#6644/#6649 merged with green e2e yet the bug persisted. The unit test is the
real regression harness; the e2e tests are integration smoke.

Made with [Orca](https://github.com/stablyai/orca)

Co-authored-by: Orca <help@stably.ai>

* fix(terminal): re-assert PTY size on visibility resume to heal stubborn column desync

Follow-up within the same fix: the user reported "sometimes even resizing
doesn't fix it." Root cause beyond the mount-timing race — the renderer forwards
resizes fire-and-forget and dedupes on the size it THINKS it sent, but never
learns the PTY's actual size. A resize dropped main-side (the pane was hidden,
a mobile take-back resize-suppression window, or a provider no-op) leaves xterm
and the PTY silently diverged; a later same-cols layout fires no onResize, so it
never self-corrects.

Expose the PTY's last-APPLIED size to the renderer and re-assert on show:
- New read-only IPC pty:getSize -> ptySizes.get(id) (the size written only when
  a resize actually lands or at spawn — the authoritative "what the PTY believes
  it is"). Wired through preload (window.api.pty.getSize) + api-types.
- On visibility resume (noteVisibilityResume), the pane re-fits, reads the PTY's
  real size, and re-asserts via forwardPtyResize ONLY on genuine drift — so no
  spurious SIGWINCH on an already-synced resume (which would jar alt-screen TUIs).
  Routed through forwardPtyResize so the authoritative/mobile gates are
  re-checked at send time; remote-runtime PTYs (separate viewport channel) are
  skipped; overlapping resumes coalesce to one query.

Also register pty:getSize in the registerPtyHandlers removeHandler cleanup block
so re-registration (macOS re-activate / new window) doesn't throw on a duplicate
ipcMain.handle, and make the pty IPC test mock throw on duplicate channels like
real Electron so this class of omission is caught going forward.

Tests: 7 resume-reassert cases (drift / match / null / remote-skip /
mobile-fit-skip / hide-during-hop / overlap-coalesce), all non-vacuous. Full
terminal-pane + pty IPC suites green (1494 tests); typecheck (web+node) + oxlint
clean; e2e desync specs pass against a fresh build.

Made with [Orca](https://github.com/stablyai/orca)

Co-authored-by: Orca <help@stably.ai>

* Stub PTY getSize API and skip redundant Wayland GPU sandbox tests

- Implement PTY `getSize` stub in `web-preload-api.ts` to satisfy API
  requirements for the web-preload environment.
- Skip the unfixed Wayland GPU sandbox negative control test if the
  target base branch already contains the sandbox workaround.

---------

Co-authored-by: Orca <help@stably.ai>
Co-authored-by: Jinjing <6427696+AmethystLiang@users.noreply.github.com>
2026-06-29 12:12:35 -07:00
Neil 63e96db7dd
fix(e2e): canonicalize temp repo paths so golden tests pass on macOS (#6718) 2026-06-29 01:24:09 -07:00
Neil eb89255e8f
fix: background-mount hidden automation worktrees before launch (#6568)
Headless automation launches (launchAgentBackgroundSession) created an
inactive tab via createTab(..., { activate: false }) without first telling
the renderer to background-mount that worktree's terminal surface. As a
result the hidden surface either never mounted (no entry in
mountedWorktreeIdsRef) or mounted with display:none (zero-size, can't be
measured/fit), so the eager PTY buffer never flushed on the first mount —
the run tab showed only the shell prompt until an unmount/remount gave the
off-screen xterm a real layout box.

Dispatch BACKGROUND_MOUNT_TERMINAL_WORKTREE_EVENT immediately before
createTab, mirroring the established renderer-backed Codex startup path in
useIpcEvents. The Terminal.tsx listener adds the worktree to
mountedWorktreeIdsRef and marks it measurable for a 3000ms window, so the
hidden surface renders with opacity-0/pointer-events-none (a measurable box)
instead of display:none, letting the first xterm fit flush the buffer.

Extract the inline measurable-mount block into
background-terminal-worktree-visibility.ts (behavior-identical, now
unit-tested) and add unit + E2E coverage.

Fixes #6244

Co-authored-by: ChaDongWun <66347959+lovewave02@users.noreply.github.com>
2026-06-28 23:13:03 -07:00
Jinjing 8430a10a10
fix(terminal): reconcile PTY size after spawn to fix first-mount column desync 2026-06-28 13:56:44 -07:00
Siddiqui Qamar 867c57b93c
fix(renderer): answer OSC color queries from active terminal theme (#6502)
* fix(renderer): answer OSC color queries from active terminal theme

- reply to OSC 10/11 foreground/background queries using the resolved xterm theme

- suppress replayed OSC color replies to avoid leaking escape output into fresh shells

- cover theme-derived color replies and replay suppression with focused tests

* test(renderer): cover terminal OSC color query replies

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Jinwoo-H <jinwoo0825@gmail.com>
Co-authored-by: Orca <help@stably.ai>
2026-06-27 09:30:29 -07:00
Neil 5363fcd668
Update xterm beta packages (#6486) 2026-06-27 02:37:23 -07:00
Brennan Benson 949b30ea1f
Prevent stale terminal redraw fragments (#6449) 2026-06-26 15:03:41 -07:00
Jinwoo Hong 4904ffda9a
Fix Remote Host downloads and agent status parity (#6436)
* Fix remote host downloads and agent status parity

Co-authored-by: Orca <help@stably.ai>

* Address remote download review comments

Co-authored-by: Orca <help@stably.ai>

* Avoid inefficient SSH chunk fallback

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Orca <help@stably.ai>
2026-06-26 14:28:16 -07:00
Jinwoo Hong 59def7474a
Revert Windows terminal clear repaint fix
Manual Windows testing still reproduces displaced input after Ctrl+K.
2026-06-26 14:05:09 -07:00
Jinwoo Hong daab519c5c
Fix Windows terminal clear repaint (#6382) 2026-06-26 16:59:00 -04:00
Neil fa00464df9
Fix noisy Grok tool notifications (#6306) 2026-06-26 02:19:25 -07:00