Files
multica/server/migrations/100_user_timezone.up.sql
YYClaw 614dfae884 MUL-2488 feat(timezone): Scheduling / Viewing two-layer timezone architecture (#2968)
* docs(timezone): add scheduling/viewing timezone architecture RFC

* feat(db): replace daily rollups with task_usage_hourly, add user.timezone

Migrations 100-104: add "user".timezone (Viewing tz), build the UTC
hourly task_usage_hourly rollup with its pipeline, drop the legacy
task_usage_daily / task_usage_dashboard_daily pipelines, and drop the
agent_runtime.timezone column. Report queries now slice day boundaries
at read time by the caller-supplied @tz instead of materialising in a
fixed tz. Regenerate sqlc.

* feat(server): add task_usage_hourly backfill command

Replace the two legacy backfill commands (daily / dashboard_daily) with
a single backfill_task_usage_hourly that loads historical task_usage
into the new UTC hourly rollup, sliced per workspace.

* refactor(server): resolve viewing timezone in report handlers

Report handlers resolve the Viewing tz per request (?tz query param,
then user.timezone, then UTC) and pass it to the hourly-rollup queries.
Drop the UseDailyRollup feature flags and the old raw-scan/daily-rollup
dual paths, remove the /api/usage endpoints, and stop the daemon from
reporting and the runtime handler from accepting host timezone.

* refactor(core): switch report queries to viewing timezone

API client and dashboard/runtime queries send ?tz with each report
request, the user schema/types carry the new timezone field, and the
runtime timezone field/mutation is removed.

* feat(views): add viewing timezone preference and UI

Add the useViewingTimezone hook and a Timezone setting in Preferences;
report charts and the dashboard week boundary follow the viewer tz.
Remove the runtime detail timezone editor and its locale strings.

* fix(test): update fixtures and stabilize tests for timezone refactor

The timezone architecture refactor changed several types without
updating dependent test code:

- RuntimeDevice no longer has a timezone field — drop it from the
  create-agent-dialog runtime fixture.
- User now requires a timezone field — add it to the apps/web mockUser
  fixture.
- The PreferencesTab timezone tests asserted on the async save handler
  (PATCH then store update) with a bare expect, racing the mutation's
  settle callback, and timed out querying the Select's ~600-option IANA
  list on a loaded CI runner. Wrap the assertions in waitFor and extend
  the timeout for those three tests.

* docs(timezone): document self-host migration order and trigger invariant

Add a SELF-HOST UPGRADE ORDER runbook to the backfill command's package
comment: applying migrations 100-104 in a single migrate-up drops the
legacy daily rollups before the hourly backfill runs, leaving dashboards
empty until cron catches up.

Add an INVARIANT comment on trg_atq_dirty_hourly noting that agent_id
must be added to the trigger's OF list if it ever becomes mutable,
otherwise dirty buckets for the old agent_id are silently missed.

* style(runtimes): drop trailing blank line in runtime-detail
2026-05-21 15:33:47 +08:00

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SQL

-- Per-user IANA timezone for *viewing* reports — the third leg of the
-- Operational / Scheduling / Viewing trio (see docs/timezone-architecture-rfc.md).
--
-- Distinct from:
-- * agent_runtime.timezone (Operational): where a runtime physically runs.
-- That column is dropped later in this migration set — the hour-of-day
-- activity heatmap now uses the viewer's tz instead.
-- * autopilot_trigger.timezone (Scheduling): the tz the user had in mind
-- when authoring a "run at 9am" rule.
--
-- This column answers: when this user looks at a dashboard, which calendar
-- day should "today" be? Two members of the same workspace sitting in
-- different regions each see their own "today" rendered from the same
-- underlying UTC data.
--
-- NULL means "fall back to the browser-detected tz at render time". New
-- users land on NULL, so there is no required onboarding step; the
-- frontend resolves it transparently. A user who explicitly picks an
-- IANA name in Preferences pins the value here so it survives across
-- devices and sessions.
--
-- This column never affects how data is materialised — all rollups stay
-- in UTC. It is read-only from the rollup pipeline's perspective and is
-- only consumed at query time to drive `DATE(bucket_hour AT TIME ZONE @tz)`.
ALTER TABLE "user"
ADD COLUMN timezone TEXT NULL;
COMMENT ON COLUMN "user".timezone IS
'User-preferred IANA timezone for report rendering (Viewing tz). '
'NULL means "use the browser-detected tz at render time". Affects '
'dashboards, charts, and any "today" label shown to this user. Does '
'not affect data materialisation — all rollups remain in UTC.';