Save move history atomically with source and destination cells, display local movement times, and keep the board total current. Exclude local env files from Docker builds and remove obsolete employee route checks from the test runner.

Track when a card moves between columns/swim lanes: who moved it, when,
and where from/to. Logged on every column/lane change via CardsController::move(),
surfaced in the card modal via GET /cards/{id}/history.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>