Ben Villalobos 041ae8b0c9 feat(automations): add foundation — types, storage, scheduler, leader election (#323745)
* feat(automations): add foundation — types, storage service, scheduler, leader election

Introduces the Automations subsystem core:
- IAutomation types and IAutomationSchedule (interval-based: manual/hourly/daily/weekly)
- DST-safe computeNextRunAt scheduling logic
- IAutomationService with persistent JSON ledger (StorageScope.APPLICATION)
- Optimistic concurrency via revision counter for cross-window safety
- Leader election to ensure single scheduler instance across windows
- AutomationScheduler: periodic tick loop checking due automations
- Feature gate: chat.automations.enabled setting mirrored to context key
- Unit tests for scheduling logic

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix: address Copilot Code Review feedback on PR 1

- Add _unsupportedSchema guard to recordRunStart and updateRun
- Localize CRASH_RECOVERY_REASON string via nls.localize()
- Move imports above registerSingleton call in contribution file
- Fix test comment referencing wrong helper name (buildLocalDate -> localDate)

* fix: address CCR round 2 — schema guards, telemetry cleanup, scope fix

- Add _unsupportedSchema guard to markStaleRunsFailed and advanceNextRunAt
- Replace boolean telemetry flags with actual enum values (permissionLevel, isolationMode)
- Remove hasProviderId, hasSessionTypeId, hasModelId, hasMode, hasPermissionLevel flags
- Add scope: ConfigurationScope.MACHINE to runTimeoutMinutes setting

* fix: gate scheduler construction on chat.automations.enabled

AutomationSchedulerCore (and its leader election heartbeat/storage
writes) are now only constructed when the feature setting is enabled.
Uses MutableDisposable for clean teardown on runtime toggle.

Addresses CCR feedback: avoid 30s heartbeat timer + storage writes
when the feature is disabled.

* fix: isolate per-automation errors in dispatch loop

Wrap advanceNextRunAt + runOneWithTimeout in try/catch so a failure
in one automation does not abort dispatch of remaining due automations.

* fix: register automations path in i18n resources

Adds vs/sessions/contrib/automations to the translation resources
so nls.localize calls pass the eslint translation-remind rule.

* fix: validate enum fields at write boundary and harden persist()

- Normalize permissionLevel/isolationMode in createAutomation and
  mergeAutomation: reject unknown values to keep persisted data and
  GDPR-classified telemetry low-cardinality.
- Wrap persist() storage read and write in try/catch so storage
  failures degrade gracefully instead of breaking the scheduler.

* fix: scheduler to Eventually phase, simplify persist(), document serial dispatch

- Move scheduler registration from AfterRestored to Eventually —
  background concern that doesn't need to block workbench restore.
- Remove re-read-before-write in persist() — refreshFromStorage via
  onDidChangeValue already handles cross-window sync. Eliminates
  redundant JSON.parse on every mutation and the misleading optimistic
  concurrency check that overwrote anyway.
- Document that _pendingRuns serializes dispatch intentionally.

* style: remove em dashes and obscure acronyms from comments

Replace all em dashes with periods or semicolons. Remove TOCTOU
acronym. Replace multiplication sign with plain x.

* Signing commit

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-06-30 16:38:35 -07:00
2026-06-29 13:53:48 +00:00
2026-06-29 13:53:48 +00:00
2026-06-23 07:22:42 +00:00

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