The backend (already on this branch) added an optional int? Id to
ScheduleItemRequest so the server reconciles PUT /api/schedules/{id}/items
rows by identity instead of by array position. The SPA previously
discarded the server id on load (only a client-local _key survived) and
never sent one back, so a reorder could misattribute fill-group/shuffle
state onto the wrong persisted row.
- itemRules.ts: fromResponse now captures the response item's id onto
the draft; normalizeForSave emits it back unchanged. newDraftItem and
copyDraftItem explicitly set id: null (a brand-new/copied row was
never persisted under an id, and copyDraftItem must not duplicate the
source's id onto a second row).
- scheduleItem.ts (Add-to-schedule dialog, POST path): id: null for the
same reason — it always creates a new row.
- SchedulesScreen.tsx save(): the PUT-response re-seed already existed
(fromResponse over the response array) but now carries ids through.
This matters because a subtype/playout-mode switch can be a
delete+insert server-side, so the response id for that row can differ
from what was submitted — a second save must use the *response's* id
or the server 422s it as unknown. Added a comment documenting this.
- schedules.ts: replaced the stale "server reuses same-typed rows by
position" comment with the current id-based reconcile contract.
- Added/updated tests in itemRules.test.ts, SchedulesScreen.test.tsx,
and AddToScheduleDialog.test.tsx covering id round-tripping, the
null-id-for-new/copied-item cases, and a second-save-reuses-the-
response-id regression test.
Verified: npm run lint, tsc -b --noEmit, npm run build, and npm test
(680/680) all pass.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
timothyandClaude Opus 4.8
b7428a9b95