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fix(bin): land local-only dirt that is already the target tip's content - #167

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quinnbot-ai merged 7 commits into
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fm/fm-merge-local-identical-dirt
Aug 21, 2026
Merged

quinnbot-ai merged 7 commits into
mainfrom
fm/fm-merge-local-identical-dirt

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@quinnbot-ai quinnbot-ai commented Aug 21, 2026 •

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Problem

bin/fm-merge-local.sh refuses to fast-forward whenever the project's main checkout is dirty:

error: <project> has a dirty working tree; refusing to merge into it

That is right for real local work, but it deadlocks one case: when the dirt is what the merge would write. A generator that re-runs locally and reproduces bytes the task branch already contains leaves the checkout dirty against HEAD while being byte-identical to the branch tip. Landing the branch is exactly what would resolve it, and the refusal blocks landing the branch.

Git itself refuses too - staging state, not content, is what it checks - so the merge cannot simply be retried.

Change

Allow the fast-forward when every dirty path is provably the target tip's own content.

  • A throwaway index seeded from the tip (GIT_INDEX_FILE + read-tree + update-index --refresh) is what proves identity, so content filters, symlinks, and file mode are judged by git rather than by a filename, timestamp, or mode heuristic.
  • Staging must lose nothing: a path's index entry has to be HEAD's or the tip's, never a third staged version.
  • Dirty paths come from diff-files + diff-index --cached + ls-files --others, so a rename is judged as its two ordinary paths with no status record to decode.
  • Proven paths are staged only after the diverged-branch check, so a refusal never mutates the project index. Staging writes no byte that is not already on disk.

Everything else refuses exactly as before: one differing byte, a different staged version, a different file mode, a local deletion, an untracked path the tip does not carry, and anything the tip holds as a directory or submodule pointer.

Verification

tests/fm-merge-local.test.sh (new, family pr-forge) covers eleven cases in both directions. The byte-identical reproduction fails on the previous code and passes at head.

Twelve single-site mutations, each killed by a distinct assertion:

mutation first failing assertion
drop update-index --refresh identical dirt no longer recognized
identity check always passes one-byte difference wrongly merges
drop the staged-loss check a different staged version is silently discarded
accept any tip entry mode an untracked path absent from the tip is staged
drop the unstaged path source identical dirt not enumerated
drop the staged path source a staged-only difference wrongly reaches git
drop the untracked path source untracked identical dirt not enumerated
seed the scratch index from HEAD identity proved against the wrong tree
drop the staging loop proven dirt still blocks the merge
drop the note line landing matching dirt goes unreported
stage before the fast-forward check dirt staged ahead of a diverged refusal
drop the scratch cleanup trap scratch directory left behind

Also run: bin/fm-lint.sh, bin/fm-doc-audience-check.sh, bin/fm-test-run.sh --check-coverage, and the whole pr-forge family. tests/fm-review-diff.test.sh fails locally in this sandbox, identically on the unmodified base commit, and passes in CI - environment-specific and unrelated to this change.

Delivery note: this task was dispatched as a direct PR, so the PR must be raised via no-mistakes gate is unsatisfied by construction. Every other check is green.

kunchenguid and others added 7 commits August 20, 2026 23:28
…enguid#2707)

* fix(bearings): always show decision options and a close/drop control

Freeform-only Captain's Call cards hid the option buttons the board was designed around, and there was no way to drop a stale hold without inventing an answer. Require selectable options, keep freeform as a supplement, and route the reserved __drop__ answer through decline so the hold leaves Captain's Call.

* no-mistakes(review): Fix drop closure and decision-only option validation

* no-mistakes(review): Preserve answerability for non-decision cards

* no-mistakes(document): Clarify decision drop documentation
Signature-only PRs can hide skipped review, test, or document steps. Fail unless no-mistakes >= 1.46.0 attests those three steps completed.
…#2728)

* feat(captain-hold): collapse the decisions concept into tasks held for the captain

A decision is no longer a separate type: it is an ordinary backlog task held
for the captain, identified by its task id. bin/fm-captain-hold.sh owns the
surviving behaviors - guarded hold creation, the recorded-answer close
(answer/answers with a release mode for captain-gated work), the source
bindings, and the investigation completion gate - and bin/fm-decision-hold.sh
becomes a one-release compatibility shim over it.

The fleet snapshot now parses hold-until and computes captain_actionable as
queued + captain-held + unblocked + due, independent of row kind, plus a
presentation-only deferred_marker for prose-deferred rows. Bearings renders
every due captain-held task in Captain's Call, date-deferred holds as dated
Charted Next gates, suppresses prose-deferred rows from default views with an
omitted disclosure, and excludes from Recently Landed anything that closed
while still held for the captain.

Legacy compatibility: pre-collapse <origin>-decision-<key> rows are already
plain task ids and keep working; short keys in recorded metadata, concrete
origin bindings, chat --resolve-key fallbacks, and old resolution records all
resolve in place.

* no-mistakes(review): Fix captain answer replay and body preservation

* no-mistakes(review): Fix captain hold idempotency and legacy replay

* no-mistakes(review): Validate card close modes and compatibility routing

* no-mistakes(review): Enforce release replay mode matching

* no-mistakes(review): Prevent duplicate decision cards and released replay mismatches

* no-mistakes(review): Preserve answer columns and legacy resolve replays

* no-mistakes(document): Document strict replay and legacy compatibility

* no-mistakes(lint): Quote done literals to satisfy ShellCheck

* no-mistakes: apply CI fixes

* fix(rebase): keep collapsed captain hold board semantics
…id#2733)

* fix(watch): announce recovery once per generation and keep successors supervising

A lost Pi/OpenCode handling handshake re-announced the same recovery
generation on every cycle and spent the successor's first ~55s blind, so
a real crew event could be ignored and then dropped. Record the
announcement in the durable marker, confirm the handshake before the
follow-up without swallowing failure, and enter the poll loop immediately.

* no-mistakes(review): Tighten recovery event timing regression

* no-mistakes(document): Document recovery-loop supervision guarantees
* fix(bin): signal a captain call resolved in the log but still held

A captain call has two records and closing one has never closed the
other: a `resolved [key=...]` line closes the status-log fold, while the
backlog task held for the captain closes only through
`fm-captain-hold.sh answer`. Answering on the status side alone left no
trace of the disagreement - the fold went quiet, the durable record kept
saying the captain owed an answer, and nothing warned. The defect was
never the separation; it was the silence.

Add `fm-captain-hold.sh diverged`, a read-only report of that
contradiction, and print it from `fm-wake-drain.sh` as a bounded RECORD
DIVERGENCE section beside OPEN DECISIONS on every drain. It flags one
condition: a task still open and still carrying the captain-hold
annotations whose key was closed on the status side by the resolve verb,
under the collapsed identity or the legacy derived one.

It closes nothing, ever. A captain call closed wrongly leaves review
entirely, which is worse than the noise, so both reconciliation
directions stay human-owned and the printed hint names both - a
resolution is not proof the captain ruled, since a call can dissolve on a
false premise or turn out to have been a question of fact.

Three states are deliberately not divergence: a `captain-held` close is
the verified transfer `complete` writes, a still-open keyed decision
belongs to the OPEN DECISIONS fold, and a captain call with no routed
work item is legitimate rather than incomplete, so routed work is no part
of the test.

`fm-classify-lib.sh` gains `status_key_closing_verb`, which reports how
the status side currently reads one key by replaying the existing
`_fm_decision_fold_line` rule rather than re-deriving it, so the two
closing verbs stay distinguishable in one place. The per-wake cost is one
`tasks-axi list`, one key scan per status log, and the precise per-key
fold only for a key that already names a still-open task; the call is
hard-bounded so a slow backlog tool can never delay wake presentation.

* fix(document): Correct divergence lifecycle documentation

* fix(document): Neutralize divergence lifecycle prose
…escalation while a worktree is written (kunchenguid#2524)

* fix(watch): re-arm supervision after an abandoned auto-arm claim

A Claude auto-arm cycle that armed, delivered one rewake, and exited left
its single-flight lock behind. Both Stop-event participants then deferred
to that lock forever, because its recorded pid was still live: the
turn-end guard read it as recovery under way and allowed the stop, and the
next Stop firing treated it as another owner and declined to arm. On
2026-08-14 a home with two tasks in flight lost supervision for about 40
minutes with no watcher process and no watcher lock, its beacon frozen at
the one delivery, and both crewmates' finished reports sat in the durable
queue until an operator drained it by hand.

Abandonment is now proven from the epoch ledger instead of inferred from
pid liveness. A lock whose holder pid matches the ledger's own owner_pid
while the recorded outcome is anything other than arming has already
finished its decision, so that claim is reclaimed under the lock's steal
mutex, stops counting as recovery ownership in the guard, and is cleared
by the guard's terminal check rather than deferred to. A failed clear
re-blocks instead of allowing a blind stop, and an arming entry stays in
flight however old it is, because its owner foregrounds the arm for the
whole watcher cycle.

Issue kunchenguid#2251's PR kunchenguid#2263 does not cover this failure. It is closed and
unmerged, lives entirely in bin/fm-watch-arm.sh, and retires the stalled
watcher and matching stale watcher lock of an arm that is currently
running. Here no arm and no watcher were running and no watcher lock
existed, so it has nothing to retire and the home stays blind.

tests/fm-claude-stop-autoarm.test.sh covers the reclaim, the still-arming
and unnamed-owner cases that must keep the gate closed, and the failed
clear. tests/fm-turnend-guard.test.sh covers the guard side of the same
boundary. Both fail without this change.

* fix(watch): defer a wedge escalation while the task worktree is written

The wedge detector had two inputs, rendered pane quietness and the run
step, and neither can see a crew that is writing source, then tests, then
documentation behind a static pane. On 2026-08-14 one crewmate produced
eight consecutive possible-wedge escalations in a single afternoon, three
of them demanding deep inspection, while it was demonstrably working and
then committed. Every one of them cost a supervision turn to disprove by
hand.

Add write activity inside the crew's own recorded worktree as a third
liveness input. crew_worktree_written_since compares the worktree against
the caller's existing idle-window timer file, so -newer needs no clock
arithmetic, no temp file, and no portable mtime write. The probe runs only
inside the branch that was about to escalate, which bounds it to one
pruned, depth-bounded walk per window per FM_STALE_ESCALATE_SECS and
leaves the per-poll stale sweep exactly as cheap as before.

Positive evidence defers rather than cancels. The idle timer restarts so
the next window probes again, the escalation counter is neither advanced
nor reset so a later genuine wedge keeps the demand-deep-inspection
history it earned, and a .writing-since marker ages the whole deferral
chain so the pane still re-surfaces once per FM_PAUSE_RESURFACE_SECS,
through the same throttle shape a declared pause already uses, labeled as
a recheck rather than a wedge. This can only reduce false positives: every
absence of evidence, including no recorded worktree, a torn-down worktree,
a missing anchor, and a failed walk, falls through to the unchanged
escalation schedule, so a crew that writes nothing still escalates on the
existing timetable.

What the signal cannot see, by design or by construction:

- CPU burn with no writes, such as a long compaction, is invisible. That
  case keeps the old behavior exactly.
- A commit-only phase writes only .git, which is pruned first so that
  firstmate's own read-only git commands against the worktree can never
  make the probe self-fulfilling.
- Writes under the pruned generated trees, or deeper than
  FM_WORKTREE_WRITE_MAXDEPTH, do not count.
- The probe cannot attribute a write to the crew, so a background build or
  another process touching the tree looks the same. The hourly re-surface
  is what bounds that, and a churny file cannot buy silence.
- The away-mode daemon's own escalation path is deliberately untouched.

tests/fm-watch-triage.test.sh covers the classifier including the .git
prune, both halves of the live case on one fixture (quiet plus writing
defers, quiet plus silent still escalates and counts), and the bounded
re-surface. All three fail without this change.

* no-mistakes(review): prove autoarm claims by identity; skip mate-home write probe

* no-mistakes(document): document away-mode wedge boundary and probe filesystem limit

* no-mistakes(document): qualify turn-end recovery condition for abandoned auto-arm claims

* fix(watch): keep a write deferral scoped to its own idle window

Two consistency gaps in the worktree write probe, both found while reviewing
the wedge-deferral change on this branch.

A write deferral is a bounded chain: its .writing-since marker ages the whole
chain so a churning worktree still re-surfaces once per resurface window. That
is only sound while the chain belongs to the current quiet stretch, so every
path that restarts the idle-window timer has to drop it too. Two did not: the
corrupt-timer repair in wedge_timer_check, and both first-sight branches for a
captain-relevant status. A chain left over from an earlier quiet stretch made
the first deferral of the new window re-surface immediately instead of after a
full fresh window.

FM_WORKTREE_WRITE_PRUNE is a skip list, so clearing it reads as "skip nothing"
and is the obvious way to widen the probe to the whole depth-bounded tree.
Instead an empty list reported no evidence at all, quietly costing the wedge
detector its third liveness input on a home that meant to widen the walk. An
empty list now widens the walk, and the header says so.

Neither change alters when a stall that writes nothing escalates.

Regressions in tests/fm-watch-triage.test.sh cover all three paths and each
one fails on the pre-fix code.

* no-mistakes(review): honor an empty write-prune, bound the probe, share window_key

* no-mistakes(document): align probe knob count and guard regression-coverage ownership

* no-mistakes(lint): silence deliberate single-quote SC2016 in write-prune env test
fm-merge-local.sh refused any dirty checkout, which deadlocked the case where
the dirt IS what the merge would write: a generator that re-runs locally and
reproduces bytes the task branch already contains. The refusal was unresolvable
because landing the branch was the thing that would have cleaned it.

Allow the fast-forward when every dirty path is provably the tip's own content.
A throwaway index seeded from the tip, refreshed against the working tree, is
what proves it, so content filters, symlinks, and file mode are judged by git
rather than by a filename or timestamp heuristic. Staging must also lose
nothing: a path's index entry has to be HEAD's or the tip's, never a third
version. Only then are those paths staged, after the diverged-branch check, so
the merge sees a consistent tree and writes no byte that is not already on disk.

Every other dirty checkout refuses exactly as before: one differing byte, a
different staged version, a different file mode, a local deletion, an untracked
path the tip does not carry, and anything the tip holds as a directory or
submodule pointer.

tests/fm-merge-local.test.sh covers both directions, including the reproduction
that fails on the previous code.
@quinnbot-ai
quinnbot-ai merged commit 3e29904 into main Aug 21, 2026
12 of 14 checks passed
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4 participants