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14
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
  NeilandBrennan Benson
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fbe94ceff6 |
fix: close readiness gaps found by merged-change audit (#17159)
* fix(ssh): fence stale kills and retired pane replay * fix(ssh): support cancellable interactive authentication * fix(ssh): await remote catalog before snapshot adoption * fix(pty): contain Windows ConPTY input failures * fix(power): avoid redundant macOS display blocking * perf(editor): narrow markdown override subscriptions * fix(quick-open): close directory handles after reads * refactor(linux): remove unused proc socket scanner * fix(usage): apply flat Sonnet 4.6 pricing * ci: prime Node next native test cache * docs(skills): resolve snapshot cleanup data path * fix(ssh): recover install locks after host reboot * test(ssh): recognize boot-aware install locks * test(ssh): prove previous-boot lock recovery live * test(wire): pin pre-metadata release coverage * fix(terminal): preserve remote tab ownership through recovery races * test(runtime): fence replaced terminal handles in agent guard * fix(ssh): preserve remote snapshot authority across polls * fix(pty): contain late ConPTY output EPIPE * test(pty): register Windows exit watcher before kill * fix: close SSH and tab readiness race gaps * fix(tabs): retain headless order and placeholder titles * fix(build): avoid parallel electron-vite config race * test(windows): avoid MSYS temp path rewriting * test(windows): avoid killing exited PTY * fix(pty): avoid late ConPTY input teardown race * fix(terminal): sync reconnect error ownership after commit * fix(runtime): use canonical worktree identity comparison * test(ssh): assert complete cold-hydration baseline * test(windows): invoke quoted retention fixture via PowerShell * test(windows): read ConPTY grid through mode con * fix(terminal): publish PTY replacements atomically * fix(terminal): infer stale identity on reattach * fix(terminal): fence stale pane PTY callbacks * fix(terminal): fence stale pane binds after rebind * fix(terminal): reject stale pane transport callbacks * fix(terminal): fence mirrored reattach spawn callbacks * fix(terminal): replace stale pane PTYs on remount * fix(ci): size the Windows launcher-compile test budget from measurement `native-smoke (windows-latest)` fails ~4.5% of runs on `preserves a multiline argument through the compiled remote launcher` with "Test timed out in 15000ms" — on unrelated PRs, for reasons that have nothing to do with them. Across 176 sampled attempts it is the only red that job produced, and it hit seven different PRs in two days: #16900, #16904, #16915, #16955 (twice), #16979, #17014, #17085. The test is six process creations: powershell.exe forks csc.exe, then the freshly compiled orca.exe forks node.exe, twice. Hosted Windows runners periodically slow process creation down, and this test amplifies that far harder than anything else in the job. Comparing the 80 attempts where it ran under 3s against the 12 where it ran over 12s, its own median goes 2198ms -> 15917ms (7.2x) while the same file's powershell-only test moves 556 -> 686ms (1.2x), the cmd.exe and Git Bash process tests in the neighbouring file move 1.4x, and the other 35 files put together move 1.5x. Measured across those 176 attempts: 1881ms to 35438ms, p50 4264ms, correlation +0.881 with the job's total Vitest duration. 8 of 176 (4.5%) exceeded the 15s cap; 2 of 176 (1.1%) also exceeded the shared 30s testTimeout, so deleting the override and inheriting the config is not enough on its own. 60s clears all 176 with 1.7x headroom on the worst. This is slow, not hung. Every body here is synchronous spawnSync, so Vitest cannot interrupt one — the timer fires only after the body returns and the reported duration is real elapsed time. That is why a failure reads `× ... 22464ms` under `Test timed out in 15000ms`. The work finished; the stopwatch was short. Seven reruns at one identical head measured 2053 / 4680 / 5551 / 8732 / 13506 / 14868 / 21937ms — the last of those would have been red on code that had not changed. The 15s came from #8897, which raised this test off Vitest's built-in 5s default because the job then ran bare `pnpm vitest run`. #8909 landed 3h27m later and pointed the job at config/vitest.config.ts, which is the real fix for that. The constant stayed behind and has been the binding budget ever since. * fix(terminal): fence stale remount reattach ownership * fix(terminal): reconcile mounted pane identity after replacement * fix(terminal): fence stale reattach fallback ownership * fix(terminal): fence deferred SSH reattach ownership * fix(terminal): fence stale split pane ownership callbacks * fix(terminal): keep stale spawns from consuming startup --------- Co-authored-by: Brennan Benson <79079362+brennanb2025@users.noreply.github.com> |
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|
Neil
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09429768c5 | test(cross-version-wire): compare published fields per frame (#17301) | ||
 Jinwoo Hong
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252dbd60ea |
fix(terminal): restore lossy initial remote snapshots (#17113)
* fix(terminal): restore lossy initial remote snapshots * test(terminal): strengthen lossy snapshot causal oracle |
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 Brennan BensonandBrennan Benson
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11d8673112 |
test(cross-version-wire): derive skew expectations from the baseline under test (#17178)
* test(cross-version-wire): derive skew expectations from the baseline under test The cross-version wire job pairs current code against whichever release tag is newest, so a hand-written "the old side does not have X" assertion expires by itself: v1.4.192 was the first tag containing the SnapshotStart `terminalOwner` field, and cutting it turned the new-client/old-server pairing red on unrelated pull requests with no code change anywhere. Read what each build publishes from that build. Each host is now paired against a client of its own version to produce a reference, and the skewed pairings are compared against that reference, so the expectation is whatever the release actually shipped. The same class of assertion in the agent-session suite — "the old build advertises no structured capability and registers no structured method" — becomes "each build's advertisement agrees with what it registers", and the "client too old to know this capability" is derived by removing the capability from the baseline's own list. The guard is unchanged in strength: a field the old host still publishes may not be dropped, skew may not change what a host puts on the wire, and a new pairing asserts the oracle still stalls when a peer cannot decode an opcode the other side sends. * test(cross-version-wire): exercise release structured methods * test(cross-version-wire): load the registered method manifest * test(cross-version-wire): assert execution, not registration, on both host gates The release-shaped checkout gate accepted any reply that was not method_not_found, so a registered-but-throwing handler passed it. The capability gate asserted a shared host spy had been called at all, so the second method mapped to that spy could stop reaching the host unnoticed. * test(cross-version): make the release-shaped skew cover the whole agent-session manifest The release-shaped checkout is the only place the "registered means usable" claim is executable today — the baseline release registers none of these methods — and it was exercising one of sixteen. A handler registered and returning an execution error passed the suite. - Declare each method's result in the manifest, so "answered" is the contract rather than "did not say method_not_found". - Give each build a seam to install a host into its own module slot; a release checkout has its own copy, so the working tree's host was never this dispatcher's, and every host-backed method answered structured_agent_session_unsupported — the capability gate's own words. - Run one execution contract over both skews instead of two divergent loops. - Pair the AI Vault never-called spy with a positive control; renaming the runtime method it watches left it green. --------- Co-authored-by: Brennan Benson <brennanbenson@Brennans-MacBook-Pro.local> |
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Brennan Benson
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fd9125ea8c |
feat(native-chat): Codex structured native chat restructure (#16729)
* feat(native-chat): port structured Codex sessions from restructure-recovery Rebuilds the desktop structured native-chat implementation from brennanb2025/native-chat-restructure-recovery (tip 4e31c08db3) on top of current main as a single commit, scoped to the local Codex path. Ported: - Structured agent-session core: durable record store + single-writer lease, canonical journal, agent-session wire host/attach/eviction/subscribers, `agentSession.*` RPC surface (registered via ALL_RPC_METHODS; host-side mobile allowlist included for wire compat), pty write gate, transcript additions, and the Codex app-server adapter/launch resolution. - Renderer: NativeChatStructuredSession view/composer stack, structured launch path with the single-flight guard, local structured session tabs sync, activation gate + structured inventory (read-only `agentSession.handoffStatus` probe), agent-session tabs in the tab strip, AI-vault structured session activation, and the settings pane with the parent Experimental Chat UI toggle plus the nested "Use updated structured native chat" toggle. New sessions require both flags, agent codex, no prompt, and a local non-WSL, non-Windows-host execution host (structured-native-chat-availability). - Fixes 72c013cea6 (verified Codex launch recovery), 8ddbaf5e3d (defer native terminal view switching affordances), and 4e31c08db3 (release the launch gate after a visibility retry) with their regression tests, including the third-launch-after-retry guard case. - Cross-version agent-session wire test + CI lane, packaging entries (proper-lockfile, agent-tooling asar excludes), and the wire-compat doc section. Deliberately not ported: mobile/ changes, the Claude structured runtime (only the claude-transcript-branch-proof and claude-structured-owner-identity leaf modules remain, backing the kept TUI-recovery arms), the terminal↔chat adoption/handoff flow (`agentSession.adoptTerminal`/`requestHandoff`, the handoff request engine, TUI adoption machinery, orca-runtime adoption methods), renderer switching affordances and their dead leftovers, the hook/subagent-status refactor cluster, and unrelated branch changes. The crash-during-acquisition recovery path (restart handoff adjudication, restore/reverse re-acquire, lease schema handoff keys) is kept because every plain direct launch depends on it; a trimmed handoff coordinator exposes only status/restore/close. Branch edits that targeted files main has since split (ipc/pty.ts, worktrees.ts, rpc/methods/terminal.ts, useIpcEvents, pty-connection, store/slices/terminals.ts, runtime-types, web preload) were re-applied to the split modules, preserving main's newer logic (Windows CIM fallback, browser tab close rework, cold-restore resume flow, dispatcher threading). Known seam: the mobile clipboard image-provenance CONSUMER gate ships (agentSession.send refuses unproven mobile image refs with agent_session_image_untrusted) but the producer hunk in rpc/methods/clipboard.ts stays with the unported mobile cluster, so mobile image sends into structured chat fail closed until that side ports. * fix(native-chat): trust only authenticated local image uploads * fix(build): preserve Windows process-tree patch application * test(windows): include process creation time in addon fixture * fix(build): run windows-process-tree node-gyp from the physical package dir gyp expands the node-addon-api dependency by probing node, whose cwd resolves to the package's physical directory in the store, so the emitted target is a store-relative ../../../../node-addon-api@... hop. gyp then resolves that hop against the rebuild cwd; from the node_modules symlink/junction it escapes the store and configure fails with "node_addon_api.gyp not found" (run 32999886072). Rebuild from realpath(package dir) so both bases agree, matching how the package manager itself runs native install scripts. The regression test replays gyp's expansion+resolution against the planned cwd and fails without the fix. * fix(native-chat): keep chat tabs visible through terminal closes and empty-worktree launches Two proven blockers in the native Codex tab contract: closeTerminalTab pre-empted the canonical unified close. With one terminal left it deactivated the worktree on a terminal/editor/browser-only check, blanking a workspace that still held a renderable agent-session tab; with two or more it pre-picked a successor from terminal entities only, re-stamping the group active before closeUnifiedTab's MRU/neighbor repair could land on the chat tab. Successor choice now defers to the unified contract whenever the terminal has a unified row, and deactivation is gated on the unified renderable count (matching leaveWorktreeIfEmpty), with the legacy pre-pick kept only for terminals without a unified row. A structured session created on an empty worktree was published into the host's headless group while preserveLocalLayout froze the local layout, leaving the tab in store but permanently off screen. A preserveLocalLayout owner now always takes client-owned placement — repairing a rendered leaf whose group record is missing, or materializing a rendered group on a truly empty worktree — and applies the client-derived layout repair while still rejecting host-authored layout. Regression tests drive the real store through closeTerminalTab (git worktree and folder workspace) and the real snapshot applier for the empty-worktree adoption states; all fail without the fixes. * fix(native-chat): close stale turns and retry rejected sends * fix(native-chat): retire hosted rows on structured tab activation * fix(native-chat): preserve rpc defaults across main merge * chore: format remote wire compatibility guide * test(native-chat): cover retry after unconfirmed send * fix(native-chat): reload outbox on session switch * docs(settings): disclose structured chat platform limits * fix(native-chat): await Codex launch-home preparation * fix(codex): align child-process allowlist with async trust bridge * test(identity): update inventory for tab surface refactor * fix(windows): preserve process-tree CRLF patch sources * fix(native-chat): anchor an unmatched chat echo where it was sent (#16117) * fix(native-chat): anchor an unmatched chat echo where it was sent The reported symptom was old user messages replaying below every new turn, so the conversation read as scrambled. The cause was not that the echo failed to match a transcript row. Claude consumes a mid-turn send through a `queued_command` attachment and writes no `type:"user"` record for it, so some echoes can never match, and no amount of matching will change that. The cause was WHERE an unmatched echo rendered: buildMobileNativeChatTransientData appended every pending item after the entire transcript, so it re-read below each turn that landed afterwards. Render each echo directly after the transcript row it was sent against, using the baseline the send already captures. An unmatched echo is then at worst a duplicate in the right position rather than a scrambled one, and it stays visible. Echoes sharing an anchor keep send order; a send with no baseline, or one whose anchor folding dropped, still falls back to the tail. Deliberately NOT fixed by deleting the echo. Inferring from send ordering that an echo can never match, then removing it, loses the user's own text for a message the agent did receive, and it cannot fire in the common case anyway - measured drain groups are 1,017 of size 1 against 55 larger. It also escalates an existing gap: the count pass has no baseline-tail guard, unlike the glue pass, while `messages` is a 40-row window that head-trims, resets on reconnect and grows at the front on loadEarlier, so a false landing there would license deleting a DIFFERENT outstanding message. That count-pass gap is real and left for a separate change; anchoring makes its worst case a duplicate in place rather than a scrambled conversation. * fix(native-chat): preserve folded echo anchors * fix(native-chat): preserve forward-folded echo anchors * fix(native-chat): keep leading folded echoes in place * fix(workspace-cleanup): show git status for every row (#16690) * fix(native-chat): refuse structured chat on every Windows execution path canUseStructuredNativeChat only refused win32 when a project runtime resolved, so folder-workspace keys (and other keys with no project runtime) failed open into structured chat on Windows. Fail closed on win32 unconditionally after the host check, matching the settings copy: local macOS/Linux only; Windows/WSL/SSH stay on terminal chat. * fix(native-chat): restore runtime refusals behind the win32 gate |
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Jinwoo Hong
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d60a3c900b | Reset stale terminal modes after dead TUI replay (#16379) | ||
 Jinjing
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4d2dc0fae5 |
test: pin cross-version browser placement test to explicit baseline (#16554)
* test: use explicit baseline for cross-version browser placement test Pin to v1.4.184 to ensure consistent testing against the release predating client placement. This avoids coupling the legacy-baseline bump to unrelated schema refactors in newer versions. * fix(windows): treat inaccessible processes as alive in tests When checking process state on Windows, EPERM (permission denied) indicates an inaccessible but live process. Only ESRCH (process not found) proves exit. Correct isAlive() to distinguish these cases. Also add windowsHide:true to child process spawns and use explicit SIGKILL when force-killing the host process. |
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 Jinwoo HongandJinwoo-H
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a9781a4118 |
STA-4150: client-hosted remote browser (consolidated) (#15448)
Co-authored-by: Jinwoo-H <jinwoo@stably.ai> |
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Neil
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eb22e497bb | Revert "fix(ssh): reapply the reattach-identity work and stop the fallback fence stranding moved panes" (#14395) | ||
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Neil
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6a0c8fa541 |
fix(ssh): reapply the reattach-identity work and stop the fallback fence stranding moved panes (#14384)
* Reapply #13326 and #13928 (un-revert #14361) Restores the SSH reattach-identity and daemon-occupancy fixes. Reverting them reintroduced their P0s, filed as STA-4224, STA-4225, STA-4227, STA-4230, STA-4232, STA-4233 and STA-4234 against #14361. The tab loss that motivated the revert is fixed in the commits that follow, so this reapplication is not a straight redo. * fix(relay): stop the fallback attach fence refusing a pane that moved tabs The primary fence was moved to the shell's own incarnation precisely because paneKey/tabId froze the pane's LOCATION at spawn and refused panes that had merely moved. The fallback that older clients fall into kept the old rule, so the correction never reached it — the same 'the rule exists, but this path does not ask it' leak this work has hit repeatedly. A refusal here is not recoverable: an identity mismatch never grounds a respawn, so the pane keeps a live shell it can no longer reach and renders blank. Narrowed to paneKey, which is the identity; the tab is a location. Restoring the tabId comparison reddens the new test. |
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Neil
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11cd2b4310 |
revert(ssh): back out #13326 and #13928 — reconnect loses every tab (#14361)
* Revert "fix(daemon): stop killing live coding agents when the daemon can't report its sessions (#13928)" This reverts commit |
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 NeilandOrca
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3ab8b6a117 |
fix(ssh): stop SSH reconnect from multiplying terminals and resuming agents twice (STA-3077) (#13326)
* fix(ssh): stop reconnect from grafting panes and stacking remote leases Reconnecting an SSH-backed workspace added terminal panes the user never opened, and the remote host accumulated shells nobody was using — one report went from 2 to 19 to 20 relay PTYs across three reconnects (STA-3077). Two root causes, both in the store. Reattach could create UI. `persistPtyBinding` has four creating branches — mint a tab, mint a root leaf, split the root and graft a leaf, mint a layout. All four are load-bearing for `pty:spawn`, which can beat the renderer's debounced layout writer, but none of them is appropriate on reattach, where the pane either already exists or is gone for good. Add `mayCreate`, defaulting true so the spawn path is untouched; every creating branch already sets `terminalMembershipChanged`, so refusing is a check rather than a new code path. Lease identity had no pane key. `upsertSshRemotePtyLease` matched on `(targetId, ptyId)` alone, so a pane that re-leased under a new relay id left its predecessor live with nothing to retire it, and the next reattach fanned out over both. One pane now keeps at most one live lease. Superseded leases are marked `expired` rather than terminated: losing a lease is not proof the shell died, so the remote process is deliberately left running. Tests assert observable behavior rather than mechanism, so they stay valid under any implementation that fixes this. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record the terminal session behavior contract Properties stated as observable behavior rather than mechanism, so an oracle written against them survives a change of implementation. Records the weaker, correct form of the timer rule — a timer may never be the sole cause of a destructive action — because recovery budgets and scratch-file age gates are correct code that an absolute ban would condemn. Also notes which mechanisms are deliberately not required, so each has to earn its place rather than arrive with an architecture. Co-authored-by: Orca <help@stably.ai> * fix(ssh): heal duplicate pane leases that predate pane-keyed supersession Pane-keyed supersession stops new duplicates, but it does nothing for installs that already carry the ones STA-3077 accumulated — the report behind this reached 20 live leases across a handful of panes, and every reconnect fanned out over all of them. Retire the stale duplicates once per reattach pass, keeping the newest lease for each pane under a total order so two hosts resolve a tie the same way. As with supersession, retired leases are marked `expired` rather than terminated: their remote shells are deliberately left running, because a lease we chose not to revive is not evidence the shell died. The relay-session store stubs gain the new method. Note the gap this leaves open: those shells keep running and are no longer reachable from the app, so the "accumulates unused shells" half of the report needs a visible recovery surface rather than a silent kill. Co-authored-by: Orca <help@stably.ai> * fix(terminal): stop respawning a shell that is still running A pane that failed to reattach spawned a fresh shell. Because the restored session id came along, the replacement resumed the same agent session, and two processes appended to one transcript — reported repeatedly, up to five concurrent resumes of a single session. Two defects fed it. The relay reported a source that merely needed re-establishing as `SSH_SESSION_EXPIRED`. The shell was still running; only its output source was gone. Give that outcome its own error so it stops reading as "the session no longer exists". The reattach failure handler then treated every error as proof of death. It checked for expiry and, in the else branch, took the identical action — so the check bought nothing and a transport fault, a timed-out call, or a wedged relay all respawned. Respawn now requires proof: an explicit host expiry or a not-found PTY. Anything else, including an error we have never seen before, is unresolved, leaves the shell running, and keeps the binding for a later reattach. Two existing tests asserted the old behavior. One threw a bare error as scaffolding to reach the spawn-adoption door; it now throws proof, which is what it meant. The other pinned the expiry mapping itself, and now asserts the outcome fails closed *without* being reported as expiry. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record what makes a retention bound safe Shortening a grace period is the wrong lever. Measuring process time and gating reclamation on an independent observation are what make one safe, and they are what deployed systems actually do. Also records that lifecycle belongs in the attach reply rather than a delivered event — that is what removes the need for a durable per-consumer cursor to guarantee an exit is never lost. Co-authored-by: Orca <help@stably.ai> * test(terminal): assert the empty-failure case without an empty Error A thrown empty value exercises the same property — a failure carrying no usable message is not proof the session is gone — and does not trip the empty-error-message lint. Co-authored-by: Orca <help@stably.ai> * fix(ssh): let the durable pane binding outrank recency when retiring leases Choosing the newest lease for a pane is wrong whenever a newer lease exists that no pane is bound to: it retires the lease the pane is actually attached to, detaching a live terminal instead of healing it. Two changes. Arbitration now prefers the lease matching the pane's durable binding, across both the SSH-target and local partitions, falling back to recency only when no binding names either candidate. And supersession at upsert time now defers rather than expiring a bound predecessor. When a lease arrives for a pane that is still bound to a different PTY, the binding has not caught up yet, so both stay live and reattach arbitrates once the binding is available. Co-authored-by: Orca <help@stably.ai> * fix(ssh): roll back a lease retirement whose durable write fails `flush()` logs and swallows write errors, so a failed write left these leases retired in memory while disk still called them attached — and the pane bindings scrubbed alongside them stayed scrubbed. Use `flushOrThrow` and restore both the lease states and the affected session partitions when it throws, reporting nothing retired. Co-authored-by: Orca <help@stably.ai> * test(ssh): prove pane and remote PTY cardinality across reconnects Counts the shells the relay actually hosts, on the container, rather than inferring them from app state — that is the census the report was based on. Asserts the PIDs are unchanged, not merely the count, so a kill-and-respawn cannot pass. Every pane streams before the transport is severed: an idle pane sends no recovery checkpoint, so only a live source comes back needing re-establishment, which is the outcome that used to read as expiry. Co-authored-by: Orca <help@stably.ai> * fix(ssh): actually pass mayCreate:false from the reattach binding write The `mayCreate` guard was correct and had no production caller, so the reattach path still went through the creating branches and grafted panes back. `restoreReattachedPtyRuntime` is that call site — RC3 in the original diagnosis — and it now refuses to create. Binding moves ahead of runtime registration, because registering first would surface a pane the user never opened before the refusal landed. A refusal leaves the remote shell running and reattachable; a *thrown* write stays unknown and still registers, so a failed disk write cannot detach a live pane. Adds an oracle over the call site itself. The store-level tests all passed while the fix was inert, because they called the store directly — only pinning the wiring catches that. Co-authored-by: Orca <help@stably.ai> * fix(terminal): apply the respawn-requires-proof rule to both reattach paths connectPanePty has two near-verbatim reattach blocks — one keyed on the deferred SSH session, one on the restored session — and only the second was fixed. The first still checked for expiry and then respawned unconditionally anyway, so a transport fault there resumed the same agent session a second time. Also keep the wire token out of the pane. The main-process bridge only special-cases expiry, so a source-restore failure crossed IPC as raw `SSH_SOURCE_RESTORE_REQUIRED: <id>` text and surfaced to the user. It correctly does not respawn; it just should not read like that. Co-authored-by: Orca <help@stably.ai> * test(ssh): state plainly that the reconnect spec is a forward guard It was run against an unfixed tree and passed, so it does not prove the STA-3077 fixes and should not be read as if it does. A clean severed transport does not reproduce the field conditions — accumulated duplicate leases, or a source returning needing re-establishment. It keeps its place as a forward guard: it counts the shells the relay actually hosts and pins their PIDs, so a later change that grafts a pane or respawns a shell fails here. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record that a guard must be pinned at its call site A refusal that exists and is never passed is indistinguishable from no refusal, and store-level tests cannot tell the difference — they call the store directly. Learned from `mayCreate`, which was correct and had no production caller for several commits. Co-authored-by: Orca <help@stably.ai> * fix(ssh): park one PTY's exhausted delivery recovery instead of dropping the channel A per-PTY recovery budget running out disposed the whole relay channel, so one PTY that could not re-prove its delivery aborted every in-flight filesystem and git request on that host and stalled every sibling pane. A retry count is not proof of anything, and it certainly is not proof about the other sessions sharing the channel. Exhaustion now parks that PTY's delivery. The remote shell keeps running, its lease stands, and the next relay open reattaches it with a fresh delivery generation — the parked state is cleared on teardown and the generation changes on reconnect, so a reconnect recovers it. The consecutive-attempt ceiling goes away entirely; the per-generation one is what bounds the retry cost, and the second ceiling only existed to reach the channel drop sooner. Tradeoff worth stating: the failing pane used to self-heal within seconds because the forced reconnect wiped all rejection state, and it now stays frozen until the next relay open. That is a worse outcome for that one pane and a much better one for every other session on the host, and reconnecting is user-reachable. Co-authored-by: Orca <help@stably.ai> * fix(pty): let liveness say unknown instead of forcing it to say dead `IPtyProvider.hasPty` returned a boolean, so a provider whose inventory was empty for reasons that have nothing to do with the session — socket down, cache never hydrated, provider generation just constructed — had no way to say so and answered "absent". Its own siblings already knew better: `probePtyLiveness` and the runtime's `PtyController.hasPty` were both already `boolean | null`, with consumers branching on null correctly. The lie was injected at exactly one interface. Now three-valued, and each provider answers unknown where it cannot prove absence: the daemon adapter off-socket, the SSH provider before a completed listing, the router when any adapter cannot answer, and the degraded provider rather than fabricating a verdict. `terminal_gone` requires unanimous proven absence. Also fixes a real cold-start bug this surfaced: `pty:hasPty` never awaited the daemon-swap startup promise, though the sibling `probePtyLiveness` bridge already did, so before the swap the local provider answered an authoritative false for every daemon-owned id. Net +27 production lines. The plan behind this predicted -92 on the strength of deleting the renderer's dead-session reconcile path; that code is live (`pty-connection.ts` imports it), so nothing was deleted. Expressing a third value where there were two costs lines, and a deletion that is not real is not worth manufacturing. Co-authored-by: Orca <help@stably.ai> * docs(terminal): track the terminal-session correctness handoff package The package was untracked under a gitignored `docs/**`, with the un-ignore rules living only in an uncommitted .gitignore edit — a single `git clean -xdf` would have destroyed the authoritative plan. The 814-path construction snapshot is now pushed as `nwparker/react185-authority-snapshot` too; it had no remote ref. Co-authored-by: Orca <help@stably.ai> * test(ssh): make the reconnect settle window actually wait The settle poll reused a matcher the assertion 15 lines above had already satisfied, and Playwright's poll engine probes immediately and returns as soon as the matcher passes — so it observed the same state twice and elapsed 0ms. A shell grafted a second or two after reattach reported ready slipped through into the next cycle. Reviewer was right on #13111. Test-only; no production change. Co-authored-by: Orca <help@stably.ai> * test(ssh): census both durable session partitions on reconnect Adds a second reconnect scenario and a helper that reads pane records from the local partition as well as the ssh host partition. That split matters: the reattach binding call passes no hostId, so a grafted pane lands in the LOCAL partition and an oracle reading only the host partition passes whether or not the guard is present. Both tests remain forward guards. The second one was reported as discriminating and did not reproduce: with `mayCreate: false` removed from the call site and the app rebuilt, both still passed. Its induction races `pty:kill` against a severed transport, so when the kill lands the lease is cleaned up and there is nothing left to graft. The handoff README is corrected to say so rather than claim a journey. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record the user decision relaxing G6 G6 becomes minimise-and-justify rather than strictly net-negative. The deletion budget the plan assumed does not exist: an entrypoint-rooted import graph found 51 of 53 candidate files reachable and instantiated on live paths, leaving 263 deletable LOC against roughly +1,021 to offset. Correctness may still not be traded for line count. Co-authored-by: Orca <help@stably.ai> * test(terminal): add discriminating oracles for restart, daemon, skew and namespaces Six parallel streams, each required to fail with its guard removed rather than merely pass. Local restart proves the OS process itself survives, by reading `ps -o lstart=` for the shell's own pid. That matters: with the quit path made destructive, the tab, leaf and pty ids all came back byte-identical while the shell underneath was a new process — every existing restart spec would have stayed green. Two separate guards were removed to redden it, and the second reddens only the stale-operation case. Daemon restart discriminates by reverting three-valued `hasPty`; version skew now covers publication semantics and confirms the new `SSH_SOURCE_RESTORE_REQUIRED` token mutates nothing on an old client; two-host isolation censuses both containers. Deletes `src/relay/pty-source-replay-index.ts` — 201 production lines with no importer outside its own test, verified against an entrypoint-rooted import graph rather than a name grep. Five namespace tests are skipped, not passing: they reproduce a defect still live on main where folder-workspace ids compare equal with the instance suffix stripped. PR #12474 fixes it; they are its oracle. Co-authored-by: Orca <help@stably.ai> * test(ssh): induce the reattach graft deterministically instead of racing a kill The previous induction closed a pane while the transport was severed and relied on `pty:kill` FAILING so the lease outlived the pane record. It does not fail: with the provider already torn down, `pty:kill` takes its tombstone branch and marks the lease terminated, and `reattachKnownPtys` filters terminated leases out of the fan-out — so the reconnect never visited the PTY the test was about. It passed on both trees. Seed the precondition instead. Spawn a real remote PTY on a leaf that never becomes a pane, then roll the host partition back to its pre-spawn snapshot, leaving a live lease and a live remote shell that no durable pane owns. No failure races a success. Adds a vacuity guard that is independent of the tree under test: the lease's own `lastAttachedAt` must advance, proving the fan-out actually visited this lease before the pane census is trusted. Verified on this machine under an isolated TMPDIR, since the e2e harness keys its seeded-repo pointer on a machine-global tmpdir path: guard present passes, guard removed fails with the phantom leaf grafted into the local partition, guard restored passes. Co-authored-by: Orca <help@stably.ai> * docs(terminal): propose one authoritative binding identity Every defect this program has touched is the same defect: identity compared with the wrong key, or not compared at all. Lease keyed without the pane, reattach using a creating write, folder-workspace ids compared with the instance suffix stripped, local mutating IPC carrying only an id, a live shell classified as expired, liveness unable to say unknown. Proposal: one branded binding type built from fields that already exist and are already persisted, constructible only from an authoritative source, carried by mutating operations, compared by one shared function. Makes a wrong-key comparison a type error rather than the next incident. Under adversarial review, including against the open issue corpus. Not accepted. Co-authored-by: Orca <help@stably.ai> * fix(pty): refuse mutating operations aimed at a superseded PTY `pty:write`, `pty:writeAccepted` and `pty:resize` accepted any id. The renderer queues input, so a keystroke buffered before a reattach landed on whatever PTY had since taken the pane — and a resize reshaped the successor's shell. Main already tracks `ptyPaneKey` and `paneKeyPtyId` in lock-step, so their disagreement is proof the caller's id was superseded. No wire change, no renderer change, nothing added to the input payload. An id with no recorded pane stays permitted: unowned and orphaned PTYs are unknown, not stale, and unknown never authorizes refusing an explicit operation. That is also what keeps orphan cleanup working — those ids have no pane by construction. The tests pin the CALL SITES, not the predicate. A capability that exists and is never called is indistinguishable from no capability, which is exactly how `mayCreate` sat inert here for several commits with every test green. Co-authored-by: Orca <help@stably.ai> * fix(pty): fence signals at a superseded PTY, and pin why kill is exempt A signal means "interrupt my pane", so delivering one to a PTY the pane has already replaced is a misdirected interrupt. Fence it with the same lock-step proof used for write and resize. `pty:kill` stays deliberately unfenced and a test now pins that: a superseded PTY is orphaned, and reclaiming it is exactly what the orphan-cleanup callers ask for. Refusing there would break the operation that reclaims leaked shells — the opposite of the intent. The fence sits at the IPC boundary, above `tryGetProviderForPty`, so it covers local, daemon and SSH rather than the local path alone. Co-authored-by: Orca <help@stably.ai> * test(terminal): poll the pane binding read so a slower host cannot flake it `readPaneBinding` took a single unpolled read of a DOM dataset attribute immediately after a renderer reload, while its sibling helper polls the same data for 15s. On a native Linux host both tests failed every run with 'No bound terminal pane is mounted' while the app was demonstrably healthy — the screenshot showed the terminal restored with a live prompt and the boot PID echoed. The assertion is unchanged; it is only awaited. Nothing is weakened. Found by running this spec on native Linux rather than assuming macOS behaviour generalises. Co-authored-by: Orca <help@stably.ai> * test(terminal): make the restart identity spec run on Windows too Both probes were POSIX-only and unconditional: `echo ...=\$\$` for the shell's own pid, and `ps -o lstart=` for its start time. Running the spec on a real Windows host proved it dies before reaching either guard, so Journey 1's Windows half was unprovable rather than merely unproven. PowerShell exposes the same two facts as `$PID` and `Get-Process` StartTime. The start time still matters on both platforms for the same reason: a PID alone cannot separate a survivor from a reused number. Still green on macOS. The Windows path is written from the host probe and has not itself been executed end to end — that is the next thing to run there, not a claim being made here. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record the fence's real gap and what peer designs taught Marks the client-constructed binding proposal as rejected with the three false claims that sank it, and records what shipped instead. States the shipped fence's actual limitation rather than leaving it implied: it compares a binding, not an incarnation, so a respawn under a reused ptyId passes. The obvious remedy is wrong here — the agent-create id is deterministic by design so a replayed create stays idempotent, and randomising it would trade this narrow gap for a duplicate-spawn bug. Also records the ranked lessons from four comparable agent IDEs, chiefly that a typed end-reason at end time is what stops a user quit from looking like a resume candidate. Co-authored-by: Orca <help@stably.ai> * docs(terminal): promote Journey 1 to proven on all three platforms The oracle now runs natively on macOS, Linux and Windows, and its discrimination was watched on each: a mutation reddens it, a restore greens it. On Linux and Windows both mutations were run, and the second reddens only the stale-operation test — so the journey's two clauses are proved independently rather than jointly. Windows is the new evidence. The PowerShell branches added blind at ebffb85a848 executed correctly on their first run: `$PID` expanded to real integers, which also proves the pane shell there is PowerShell-family rather than Git Bash, and `Get-Process StartTime` returned kernel start times 5.4s apart — so a recycled pid could not have passed as a survivor. First journey promoted in this program. The other twelve are unchanged, and the residual limit on "every stale exact operation" is recorded rather than glossed. Co-authored-by: Orca <help@stably.ai> * test(terminal): add discriminating oracles for the daemon, skew and multi-host journeys Daemon: replaces a spec that modelled only a client restart and never crossed the daemon boundary, whose successor generation owned nothing so "the live successor is neither killed nor replaced" was vacuous. The PTY leader is now a real login shell reporting `$$` back through the production write path, resolved to a kernel start time. Two mutations each redden exactly one of the three clauses, on macOS and Linux: reverting three-valued `hasPty` reddens only the unknown-not-dead clause; widening the sole-provider fallback reddens only the stale generation clause. Skew: reverting the restore-required publication to expiry reddens 4 of 5 new tests while the legacy control stays green — the regression this branch fixed is now caught if reintroduced. Multi-host: restoring `mux.dispose('connection_lost')` reddens sibling isolation on one host. It does NOT redden across hosts, and that is recorded rather than glossed: a mux belongs to one relay session per target, so its dispose cannot cross a host boundary. Journey 4's cross-host clause rests on isolation-by-construction, not on a mutation. No production code changes. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record journey evidence that falls short of promotion Four journeys now have discriminating oracles but none meets its full stated scope, and each shortfall is named rather than rounded up. Journey 2 is one WSL run from promotion. Journey 12's tests are in-process, so they do not close the live-skew gap the original ledger named. Journey 4's cross-host clause cannot be proven by mutation at all — a mux is per target, so its dispose cannot cross hosts, and the cross-host test stayed green under the mutation that reddens siblings. Journey 13 measured one dimension of ten, on lifted predicates rather than through real IPC. Co-authored-by: Orca <help@stably.ai> * docs(terminal): promote Journey 2 to proven on macOS, Linux and physical WSL The oracle runs on every environment the journey names, and is clause-selective on all three: reverting three-valued `hasPty` reddens only the unknown-not-dead clause, and widening the sole-provider fallback reddens only the stale-generation clause. Selectivity in WSL was established rather than assumed. The spec runs serially, so a red first test reports the others as "did not run" — they were re-run alone under the same mutation and stayed green. Also records that an Orca WSL-mode terminal now starts on that host at all, which it could not before: the distro had no provisioned default Unix user, so every interactive launch blocked on first-run setup. One diagnosis from the WSL run is corrected here rather than repeated: the unrelated `local-pty-shell-ready` failure was attributed to bash 5.3.9, but macOS runs the same bash version and passes 67/67. The trigger is environmental to that distro, and the underlying defect is that the spec pins an absolute count of OSC markers it does not own. Co-authored-by: Orca <help@stably.ai> * docs(terminal): correct the WSL provider-suite diagnosis The WSL run blamed bash 5.3.9 for the unrelated `local-pty-shell-ready` failure. macOS runs the same bash version and passes 67/67, so the version is not the cause — the trigger is environmental to that distro, and the underlying defect is that the spec asserts an absolute count of OSC markers it does not own. Co-authored-by: Orca <help@stably.ai> * test(runtime): unskip the workspace-namespace oracles now their fix has merged These five reproduced a defect that was live on main: folder-workspace ids were compared with the instance suffix stripped, so two workspaces sharing a directory read as the same namespace. They were committed skipped, pointing at the PR that fixes it. That PR is merged, and they pass. Verified they still bite: restoring the suffix-stripping comparison reddens exactly these five and leaves the other four green. An oracle written before its fix, held skipped, and confirmed against the fix after the merge — rather than deleted and rewritten from the answer. Co-authored-by: Orca <help@stably.ai> * test(ssh): add MaxSessions, lazy-discovery and paired-skew oracles Three journeys attempted; none promoted, and the reasons are recorded in the ledger rather than rounded up. MaxSessions=1 against real OpenSSH, with the cap read back from `sshd -T` rather than assumed, and remote pids read on the container two independent ways that must agree, each carrying its kernel start time. Two disjoint mutations discriminate — one reddens only the reconnect clause, the other only the two restart clauses. But the disconnect clause is a forward guard: four separate guard removals left it green, so nothing shipped is load-bearing for it. Lazy discovery samples sshd's own accept log and live session census across a 22s window with the in-use host as a positive control. No mutation reddens its third clause alone — the real cross-host lease scoping is load-bearing, but removing it breaks the sibling host during setup, so the failure carries no clause information. The paired-runtime skew spec pairs two real processes at different versions and refuses to run rather than degrade into a same-version pairing that would look green and prove nothing. No production code changes. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record why the duplicate-resume fix was not built I recommended adding a typed end-reason so a user quit stops looking like a resume candidate, then went to implement it and stopped. `SleepingAgentSessionRecord` already carries three fields that each exist to stop something resuming that should not have — `origin`, `restoreOnTabOpenOnly`, and `automaticResumeBlockedBy` — each traceable to its own incident, consulted at 22 non-test sites. A fourth predicate, however well typed, is the fifth containment cycle. The designs without this bug do not have a better flag; they resume only on an explicit action, into a new terminal id, and make two agents in one terminal unrepresentable in the schema. The first of those is a product decision about whether automatic resume stays a feature, so it is the user's call rather than mine. Co-authored-by: Orca <help@stably.ai> * docs(terminal): reconcile G6 with the recorded decision and assess its clauses G6's body still demanded strictly-negative production LOC after the user relaxed it to minimise-and-justify, so the gate had two conflicting pass conditions and no single truth value. Its body now points at that decision. Assessed the remaining clauses against the branch rather than assuming. Two fail structurally: more than one identity comparison and mutation admission path still exist, and `terminal-input-quarantine.ts` is still reachable from two production files. Records why the quarantine is not subsumed by the superseded-PTY fence, which I had assumed and checked. The fence refuses writes aimed at a stale ptyId; the quarantine guards the user's next keystrokes landing on the successor under its current, correct id — a case the fence never sees. Removing it needs the recovery path to surface a different shell as unresolved, not a deletion. Co-authored-by: Orca <help@stably.ai> * docs(terminal): the input quarantine is load-bearing, not superseded G6 lists "no superseded quarantine remains reachable" and this module was assumed to be one. Disabling its single call site reproduces the hazard it exists for — `cho hi; rm -rf x` reaching the shell — so deleting it without a replacement re-opens command execution. The replacement was costed by building it rather than estimated: +26 production LOC to thread the incarnation, ~+33 complete, and the cross-remount state it needs outlives the destroyed pane so it becomes a module about the size of the one deleted. Floor is roughly +140 to delete 88, and it would add a second identity comparison to a gate already failing for having more than one. The decisive part is that the route is not uniformly available: remote runtime results carry no incarnation, old hosts cannot be made to publish one, and mixed versions are the normal state. A paired client reads unknown, which this program's own rule says is not proof — so either every remote reattach surfaces unresolved, or a fallback is needed and the only correct fallback is this module. Whether to amend the clause or accept something weaker on remote hosts is a user decision, so the clause verdict is left as failing rather than quietly reclassified. Co-authored-by: Orca <help@stably.ai> * refactor(runtime): collapse duplicate identity comparisons G6 requires one identity comparison; five implementations existed across two concepts. Worktree-namespace identity had two: `runtimeWorktreeIdsEqual` and `runtimeWorktreeIdentityKey` independently re-derived repoId plus normalized path. Equality now derives from the key, so the comparison and the sleep / mutation-queue keying cannot drift into two different rules — which is exactly how the suffix-stripping bug reached production once. Pane identity had three byte-identical leaf-UUID comparisons, in orchestration `db.ts`, `lifecycle-reconciliation.ts`, and `orchestration-legacy-process-identity.ts`. One copy moved to `stable-pane-id.ts`, which already owns `PaneKey`, `parsePaneKey` and `makePaneKey` and which all three already imported. No new module, no branded type, no parallel comparison. Net -14 production lines. The namespace oracle still bites: restoring the filesystem parser inside the identity key reddens exactly its five cases. The raw counts are not the actionable set, and the classification is worth recording: of 409 non-test `worktreeId` comparisons, 71 are typeof guards and 81 are sentinel tag checks. Most of the remainder are renderer predicates over store rows where both operands are the same main-minted id, so normalizing there would widen equality rather than correct it. Co-authored-by: Orca <help@stably.ai> * refactor(terminal): finish a half-done fixture move and audit the rest `xterm-bypass-event-fixture.ts` and `__fixtures__/xterm-bypass-event.ts` were byte-identical apart from an import path. The `__fixtures__` copy had zero importers and the live copy compiled as production — someone started the move and left both. Dead copy deleted, live one moved, its three test importers updated. Audited the wider G6 clause by importer rather than filename: 32 test-only files, roughly 3,300 LOC, currently compile as production; 4 of the 36 candidates have real production importers and are correctly placed. The list is recorded in the goalposts. Those 32 are almost all older than this program and outside the terminal surface, so sweeping them belongs in its own change rather than inside a terminal PR. The clause stays failing, with the remaining files named. Co-authored-by: Orca <help@stably.ai> * docs(terminal): the fixture clause already holds where it matters Checked what the build emits rather than reasoning from file paths. None of the 32 test-only fixtures appears in `out/` — Rollup drops them because no production entrypoint reaches them. On "compiles into the shipped product", this clause holds today. On the other reading it cannot be closed by moving files at all: both production tsconfigs use bare `include` globs with no `exclude`, so a `__tests__/` directory matches exactly like any other path, as does every `*.test.ts` in the repo. Relocating 32 fixtures would remove nothing from typecheck scope. A sweep was started and stopped once this was verified, rather than landing 32 moves across areas this program does not own for no gain. If the intent is that typecheck scope should exclude test code, that is a repo-wide tsconfig change with a different owner. Co-authored-by: Orca <help@stably.ai> * docs(terminal): add plain-language design and test overviews Two reviewable documents with diagrams, written so someone with no prior context can follow what breaks, why, and what changed. The design overview explains the five things stacked behind one terminal rectangle, the 2 -> 19 -> 20 report, the three root causes, and the rule underneath all of them: unknown is not dead. The test overview explains why a green test proves nothing on its own, the four-step mutation proof we adopted, and — the part worth reviewing hardest — an honest account of what could not be proven and why, including the properties that are true by construction and therefore have no guard to remove. Co-authored-by: Orca <help@stably.ai> * docs(terminal): add a self-contained visual report of the design and its evidence Pre-renders every diagram to inline SVG in both themes so the report opens offline and stays sharp when zoomed. States the gate/journey score and the retractions alongside the fixes, so the unproven half is as visible as the proven half. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record the finalized two-plane architecture decision Adopts the data-plane proposal and adds the control-plane track it does not cover: re-key ownership by pane, split orphan inventory out, then delete the compensating code. Records that the host-authority alternative was refuted and that the shipped keystroke fence is inert on the reattach path. Co-authored-by: Orca <help@stably.ai> * docs(terminal): add the design brief the review counsel works from Separates verified code facts from unverified leads so reviewers attack the design rather than a reconstruction of it, and records which simpler alternatives were already refuted and why. Co-authored-by: Orca <help@stably.ai> * docs(terminal): report the design counsel's outcome and the live respawn bug it found Three review rounds across two models replaced the two-record split with one leaf-keyed record, deleted attach-time pane identity, and made orphans a connect-time projection. Records that a shipped gesture still turns a healthy remote shell into a duplicate agent resume, and that the renderer classifier in that chain treats an error-message shape as proof of death. Co-authored-by: Orca <help@stably.ai> * docs(terminal): correct the report — the respawn proof gate guards a minority path A final review traced every auto-respawn route. The primary one converts the reattach failure into a boolean before any classifier sees it, so the shipped proof gate never runs there. Records that two of the six shipped changes are narrower than claimed, and why their tests could not have caught it. Co-authored-by: Orca <help@stably.ai> * docs(terminal): explain the landed design on its own terms One leaf-keyed ownership record, orphans computed at connect, and replacement shells only on positive proof — with the shipping order and the one product trade the design asks the owner to accept. Co-authored-by: Orca <help@stably.ai> * docs(terminal): rewrite the design explainer in plain English The first version assumed the reader knew the codebase. Reframed around two bugs, two fixes and one decision, with the jargon replaced by pane / program / note / helper and a five-word glossary for what could not be avoided. Co-authored-by: Orca <help@stably.ai> * fix(ssh): stop reading an identity mismatch as a dead shell The relay reports a pane-identity mismatch by saying the pty was not found, but it found it — comparing identity is how it noticed. Publishing that as expiry made the renderer clear the binding and cold-restore with agent resume, so a live shell gained a second agent on one transcript. Reachable today by detaching a pane into a new tab, which changes the tab the relay froze at spawn. Mismatch now carries its own token and the classifier refuses it as proof. Genuine absence still expires, so a shell that really went away is not stranded. The three failure tokens move to src/shared: main published them and the renderer decided respawn on them, from two copies that had drifted apart. Co-authored-by: Orca <help@stably.ai> * fix(ssh): stop sending pane identity on reattach The relay froze pane identity at spawn, so moving a pane to another tab made it refuse a live shell — and refuse by saying 'not found'. The comparison is presence-guarded, so not sending the fields disarms it on every relay version including ones already installed on hosts: no wire change, no redeploy. Nothing is lost. It existed to catch a relay restart recycling pty-N for a new shell, and in exactly that case pane and tab both still match, so it accepted the wrong shell anyway. The incarnation the attach returns is what distinguishes those, and it already crosses the wire. Removes the whole client-side apparatus: the expected-identity type, its per-lease derivation, its map, and the parameter threaded through four layers. Co-authored-by: Orca <help@stably.ai> * docs(terminal): add tracked goalposts for the new design Each goalpost is a behaviour with an oracle and the mutation that must redden it, so 'proven' cannot be claimed from a green test. Records the anti-inert rule as a first-class goalpost, since three guards in this program passed their tests while sitting off the route production takes. Co-authored-by: Orca <help@stably.ai> * docs(terminal): record that the recovery grant is dead code, deleting a design step The lease stores a relay-native pty id and the caller passes the app form, with a raw equality comparison between them, so the 30s grant cannot fire for a real SSH pane. The death rule that existed to referee it is deleted rather than built, and the dead path itself becomes a removal. Co-authored-by: Orca <help@stably.ai> * docs(terminal): keep the full design detail in the repo It only existed in an ephemeral job directory, so the plain-English explainer had no durable source for its specifics — record shape, death rule, reattach algorithm, migration order and the 25 oracles. Co-authored-by: Orca <help@stably.ai> * docs(terminal): add a resume prompt for a clean session Points at the goalposts as the contract, names the three goalposts whose oracles are already written and red, and carries the process rules that were learned the expensive way — prove guards reachable, verify mutations land, commit per step, and never let a subagent write production files in a shared worktree. Co-authored-by: Orca <help@stably.ai> * test(ssh): add the failing oracles for goalposts S3, S4 and S5 Intentionally RED: 14 clauses that fail against current behaviour and go green under the changes named in new-design-goalposts.md. The branch is held unmerged, so red here means unimplemented, not broken. Each was verified to fail for the right reason and to flip green under the identified fix, which was then reverted. Each pins the producer as well as the consumer, so no clause can pass vacuously if its route is ever severed — the failure mode that let three earlier guards ship inert. Co-authored-by: Orca <help@stably.ai> * fix(ssh): stop fabricating an exit when a reattach fails A failed attach never proves the shell exited. The relay answers not-found for a pane-identity mismatch and for any id it merely cannot hand back, so treating it as death sent the pane a synthetic `pty:exit { code: -1 }`, cleared provider state, deleted ownership and expired the lease — four claims about a process we know nothing about, on a shell that is usually still running. Collapse every failure into the non-destructive branch that already existed a few lines above (`restoreRequired = 'reattachAttemptsExhausted'` + wakeRecovery). A branch collapse, not a new mechanism: goalpost S3. Two tests pinned the deleted premise and are INVERTED rather than patched, so the new intent stays covered: - ssh-relay-orphan-abandon-paths: "retires the lease without a kill when the relay proves the PTY is gone" -> "leaves the shell running when the relay only reports the PTY as not found". Its comment claimed attach verifies liveness before answering not-found; it does not. - ssh-relay-session: "invalidates and broadcasts remote PTYs that cannot reattach" -> "leaves an unreattachable remote PTY alone while its sibling reattaches". Also repairs two clauses left red by |
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Neil
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54e01e6df8 | test(wire): select stable desktop release baselines (#14156) | ||
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Jinwoo Hong
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06780260c0 |
test(remote-runtime): run an old client and an old server against current code (#12682)
Mixed versions are the normal state of the remote-server feature: users update clients and servers independently. Until now nothing tested that. Every cross-version claim was made by code reading plus unit tests with hand-written old/new shapes — enough to catch design problems, not enough to catch a real skew regression. This runs the REAL protocol implementations from two builds against each other in one process: the actual host methods and RPC dispatcher on one side, the actual renderer multiplexer on the other, with a transport that reproduces the production asymmetry — each side decodes with its OWN codec and drops frames whose opcode it does not know. A frame survives only if the RECEIVING build understands it, which is what makes this level sufficient without launching two apps. The old side is a genuine checkout extracted from the release tag; the extracted client was confirmed to lack a symbol that exists only on main. Journey: subscribe, first snapshot, input reaching the process, live output, hide/reveal snapshot, transport drop, resubscribe, input landing again — across old->new, new->old, and a current/current control. Every step ends on an observed-state barrier; no sleeps. The oracle asserts the recorded step list, the exact 16-frame named sequence, negotiated capabilities, the exact input the host wrote to the PTY, rendered content, and zero decoder-rejected frames. A host method the stub lacks is recorded by name and asserted empty, so a harness gap cannot masquerade as a wire break. Detection is proven per violation shape, and it attributes each to the correct side: an unnegotiated opcode goes red only where a decoder would reject it, a removed published field goes red only where an old client consumes it, and a legal additive field stays green in all three pairings so the harness will not cry wolf on safe changes. It also documents the three compatibility rules in docs/reference/remote-wire-compatibility.md, linked from AGENTS.md, since they previously existed only as folklore — notably that "decoders reject unknown opcodes" is true for the desktop decoder but NOT for mobile, which silently drops them. Deliberately scoped: terminal stream only. The session-tab sync channel is not covered, nor agent-session publications, file/Git RPCs, mobile E2EE framing, or the relay transport. Two version points, so a regression introduced and reverted between them is invisible. CI selection was verified rather than assumed — `vitest list` confirms 0 matches under the shard's exclude and 4 under the dedicated job — because a lane silently running zero tests is precisely how a host-side defect escaped CI earlier in this series. Closes STA-3469. |