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Vuong Hoang aa61fcf5fd test(probe): teach the layout probe about <details>, and guard the flag parser
THE PROBE. A control inside a CLOSED <details> is laid out but sits
outside its collapsed parent's box, so elementFromPoint at its centre
returns an ancestor and it reports OCCLUDED — 23 of them on sindra-set,
every one a false positive. Verified both ways before believing it:
closed, elementFromPoint returns div.gallery; opened, the button itself,
and a real trial click lands on it.

Opening every <details> rather than skipping them is the deliberate
choice. Skipping would make the probe quiet by declaring put-away
controls out of scope, and the add-note button inside
details.item-addnote is exactly the class of control this instrument
exists to check. Fourth false-positive class this probe has grown a
guard for; the other three are already in its header.

THE FLAG PARSER. Three cases that silently break and are cheap to
pin: the flags on either side of the glob (a session should not have to
remember which), a why carrying quotes, an em-dash, a newline and
non-ASCII, and --why with no value after it, which must produce usage
rather than eating the booth name and creating a booth called nothing.

313 tests.
2026-09-22 01:01:20 -07:00
Vuong Hoang a48ef83ef5 feat(manifest): U5 — booths that say who posted them and why
The index card showed a name, an item count and a countdown, and nothing
the poster chose. An agent with something to show therefore had no way to
make the booth say "look at this" and posted a URL to the link board
instead — which is why 145 of that board's 210 rows (69%) ended up
pointing at booths that had already been swept. The board was absorbing a
job it was never shaped for. This is the shape.

Each booth carries `.booth.json` — {handle, title, why, created} — written
by the CLI from $ALTHING_HANDLE, and the provenance line renders on both
index lanes and on the booth page header.

WHAT IS WHERE

- booth/manifest.py, stdlib-only and importing nothing from booth.* either:
  scripts/booth imports it under the system python3 with no venv, and a
  cross-import between two stdlib-only modules is a second way for that
  invariant to break. It joins the shared test_stdlib_only list and keeps
  a stricter copy of its own.
- The read is lenient and cannot raise. list_booths touches every booth on
  every index load, so a manifest that cannot be parsed costs that booth's
  provenance and nothing else. That is the v0.2.2 lesson applied before the
  same mistake rather than after it.
- Absent and damaged render differently — `unannounced` and `unreadable`.
  Folding "cannot be read" into "never said" would hide the one case
  somebody has to go and fix.
- Re-announcing preserves `created`. A second `booth add` sharpening the
  why is not a second appearance of the booth.
- The write is atomic (invariant 5); the temp file is itself a dotfile, so
  no listing can see it mid-write.

THREE OPERATOR CALLS, 2026-09-22

Flags on the existing new/add verbs rather than a separate `announce` verb
(a second step is the step that gets forgotten, which is the rot's own
mechanism). Unannounced booths get a quiet marker rather than nothing — the
convention is only adoptable if the gap is visible. U5 adds provenance only
and does NOT add a second index ordering keyed on announcement time; that
is a different surface needing its own stated rule, parked for v1.1.

NO EXEMPTION LIST

A pickup booth and the standing link board are created by the service, so
they announce themselves with handle `booth`, which is true rather than
manufactured. One rule — a booth with no manifest is unannounced — instead
of a growing set of special cases.

ALSO

tests/test_booth.py's keep/release assertion was slicing the page on the
bare word `boothhead`, which has lived in the stylesheet far longer than
the assertion has; it was reading CSS and passing on luck, and went red the
first time a new rule landed above the old one. Same assertion, aimed at
the markup. A U5 test had the mirror-image bug: pytest derives tmp_path
from the test name and the index renders data_dir, so a test named
`test_an_unannounced_booth_says_so` put the needle in the haystack itself
and passed against a template that did not yet exist.

310 tests (304 before this unit's CLI half). Live service restarted, 26/26
booth pages verified 200, end-to-end smoke through the real CLI.

NOT TAGGED. The cold contract-review panel is still in flight and the
code-review and bug-hunt gates have not run. Tagging with a gate
outstanding is what made v0.2.0 premature.
2026-09-22 00:48:41 -07:00
Vuong Hoang 026a1fc392 fix(marks): v0.2.2 — nine findings from the cross-frontier bug-hunt panel
`/heid-bug-hunt` on U2's diff, four arms, artifact-only. Eight findings were
real against live code; a ninth was already closed by v0.2.1 and is recorded as
declined. Full triage in persistent-memory.d/2026-09-22-bug-hunt-panel.md.

THE LOCK LIFECYCLE (4/4 convergent, and two defects in one place)

`_Locked.__exit__` unlinked `.marks.lock` on the no-op path so a booth that had
never been marked was left exactly as it was found. `flock` binds to an INODE:
unlinking it under a blocked waiter leaves that waiter holding an exclusive
lock on a deleted file while the next writer creates a fresh lock and takes it
immediately. Two processes then run the read-modify-write concurrently, the
later os.replace drops the earlier one's mark, and both obeyed the protocol.

The cleanup existed to protect the booth's TTL, and was failing at that too:
creating or removing a directory entry bumps the DIRECTORY's mtime, which is
what `_newest_mtime` seeds from. The guard's comment reasons about the lock
file's own mtime and misses that the directory moved underneath it.

One fix: never unlink the lock, exempt `.<name>.lock` dotfiles from
`_newest_mtime`, and restore the directory's mtime after creating one.

THE READ PATH'S BLAST RADIUS

`_clean_text` did `(text or "").replace(...)` and `marks_for` sorts on
`(created, id)`, so a stored `text` that was a dict or a `created` that was a
number raised out of the read path. `list_booths` reads every booth's marks on
every index load, so one hand-edited file returned 500 for `/` and `/healthz`
across all 25 booths. Guarded in two layers — a named type check and a
`_hydrate_safe` backstop that cannot raise — and an unreadable mark now renders
as ⚠ broken rather than as an empty note.

ALSO

- import_legacy_asks stamped `created` at whole-second resolution, so two
  sidecars from the same second lost the ordering the importer had just
  established and re-sorted alphabetically. Microseconds, per the stated
  `(mtime, name)` rule.
- The five mark-write routes ran a blocking flock on the event loop; they now
  dispatch through run_in_threadpool, asserted structurally like INV-1.
- `/answer` 500'd on a non-string `notes` form value where `/note` handled it.
- The inline-doc tile had a flag control and no note field.
- The marks panel was suppressed on any booth carrying a links.md.
- The viewer's arrow keys and Escape threw away a note being typed.

CLI

`booth marks` printed a traceback and exited 0 on a failed read, and `--wait`
emitted a whole JSON document per poll. `booth answer --wait` read a damaged
file as "not yet" and spun the full hour. Both now use real exit codes —
0 ok, 1 unanswered/timed-out, 2 no such pick, 3 unreadable — and `--wait`
prints once. `marks.read_error()` lets the CLI ask what the page must not: the
browser stays lenient, the machine consumer gets the truth.

`scripts/booth` had no tests; it has five now, run against the real script
under the system python3, which also makes them a live check on INV-1.

275 tests (253 before). Live service restarted, 25/25 booth pages verified 200.
2026-09-22 00:20:58 -07:00