* feat(schedule): firing for item schedules, floating recipient zone, re-anchor and hooks (TASK-4102 PR1b)
fireOneReminder gains a managed branch (unmanaged path unchanged): on
Postgres one pin statement locks item, workspace and schedule before the
arbiter takes the reminder; after the win the schedule is loaded and a
floating occurrence is resolved in the recipient's zone, deferring (no
event) when the row was armed early at the UTC+14 bound. A stored rule
that no longer compiles leaves the row fired with no event and sets
error_code. The schedule start is re-anchored to the fired occurrence
under the plan's conditions. models.Reminder gains schedule_id and
occurrence_at; the notification dedupe key uses occurrence_at for managed
rows. The users.timezone writers and the assignee write reset the
affected user's armed floating rows to the bound after they commit.
Claude-Session: https://claude.ai/code/session_01Pa22hHpfXoZbQkEFvPtNeS
* fix(schedule): UpdateSchedule locks the item first; hook-failure and lock-order tests (TASK-4102 PR1b)
UpdateSchedule takes the item FOR KEY SHARE (Postgres) before its schedule
FOR UPDATE, so every writer runs item, schedule, reminder. Adds a test-only
seam to fail the recipient hook, a test that a floating row fires in the new
zone when the hook fails, a PG test that UpdateSchedule waits on the item
before the schedule, and a comment on the fire pin's rowmark-order reliance.
Claude-Session: https://claude.ai/code/session_01Pa22hHpfXoZbQkEFvPtNeS
* fix(store): compile a managed schedule's stored rule before the floating deferral (TASK-4102)
A broken floating rule was deferred once before error_code was recorded.
The compile now runs first, so it records error_code on the first fire
attempt with no deferral write and no event.
Claude-Session: https://claude.ai/code/session_01Pa22hHpfXoZbQkEFvPtNeS
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