src/backend/index.ts

src/frontend/components/ActionButtons.tsx

src/frontend/components/Footer.tsx

src/frontend/components/TimerContainer.tsx

src/frontend/components/TimerDisplay.tsx

src/frontend/utils/state-persistence.ts

src/frontend/utils/timer-actions.ts

src/frontend/index.tsx

src/shared/types.ts

src/shared/utils.ts

src/frontend/utils/passphrase.ts

src/frontend/components/HistoryView.tsx

src/frontend/components/GroupTimerCard.tsx

docs/timer-state-and-intents.md

docs/session-history.md

src/backend/database/migrations.ts

src/backend/database/queries.ts

src/frontend/utils/staleness.ts

src/frontend/utils/history-api.ts