A plan that still carried a `room_drafts` key while already on the
current wall model could not be edited at all. The card mirrors the same
migration, so a structural edit was refused before the request ever left
the browser; the toast sent the user to "Optimize plans", which reports
that everything is already optimal because it looks at something else
entirely; and the export path calls the same migration, so the one way
out — take a backup, fix the file by hand — was shut too. An empty
`room_drafts: []`, carrying no data at all, was enough to do it.
The carrier is now removed the way the first migration removes it: an
empty key silently, drafts converted one for one into partitions. The
#478 protection against a stale client re-adding the carrier moves to
the layer that can actually tell the two apart —
`validate_wall_model_transition` sees both the submission and the stored
plan, and refuses when the drafts appear over a plan that does not have
them. It no longer keys on the submitted model number: a stale card
echoes back the number it was given, which is exactly how the outdated
client slipped past this guard and met "conflicting wall identifiers"
instead of "update the card and reload the page". The schema invariant
keeps refusing a non-empty carrier as the last line.
Both mirrors change together and stay identical; the parity fixture is
untouched.
Issue: #529
User-Visible: yes
CODE-REVIEW-316-r1 H1: the §3.3 degraded pool picked an angle-compatible wall
at ANY distance, but the backend geometry-match invariant («wall opening
geometry must match its host») requires the host to agree with the opening's
own x/y — the migrated document was rejected by CONFIG_SCHEMA and the write
wedged again on the schema layer. The pool is removed from both migrations
(TS and the Python mirror): without an in-place eligible carrier the opening
goes straight to the unhosted degraded state, exactly the alternative the
spec's «assumed freely changeable» section reserved; the spec is revision 6.
New tests replay the reviewer's reproduction on both sides, and the frontend
test is proven able to fail by restoring the pool (executed red).
CODE-REVIEW-316-r2 M2: the schema-level host check is shared with #132
partition openings, so its unhosted relaxation is now pinned by a regression
test — a stale writer that keeps a partition-hosted opening but silently
drops its host is still rejected by validate_partition_opening_hosts.
Issue: #316
User-Visible: no
Implements spec revision 4 (green r4). §3.1 — a legacy open_spans/open_to cut
never zeroes the atom that carries an existing contour opening: the opening's
edges become atom boundaries, the door keeps its real wall and the zero run
continues on both sides. §3.2 — an ambiguous carrier resolves
deterministically: current host, then distance, thicker cm, smaller id.
§3.3 — an opening with no usable carrier persists unhosted: a valid degraded
v9 state, inert in the physics, rendered by its own x/y, kept by later writes
and re-placeable in the editor (backend schema accepts it). §3.4 — the
initial migration never throws over an opening; a post-v9 write that LOST its
carrier keeps the fail-closed opening-host refusal. The Python migration
mirror implements the same rules with byte-identical output (verified on the
span+door fixture including the segment id).
The new smoke replays #316 end to end: a conflicted space no longer blocks
drawing on an empty plan. The golden scene span-over-door-migrated-dark
renders the migrated fixture pinned byte-for-byte to the real writer; two
gate mutants revert §3.1 and §3.4 and are red by execution.
Issue: #316
User-Visible: yes
A stale client can only echo the stored model_version, never raise it. The
'unchanged wall catalogue' refusal now applies only when the submitted model
is not above the stored one; the first v9 write over a v8 document with an
orphan open_span/open_to legitimately drops the legacy projection without
touching the catalogue and passes. The regression pair fixture is produced
by the real writers (stored: v1.68.0-beta.2, sent: current migration) and is
pinned on the frontend byte-for-byte so it cannot drift.
Issue: #319
User-Visible: yes
Codex