Add event journal

[defnone]

Summary

• add an event journal database table, migrations, repository, service, and typed API routes
• record torrent update, download, file copy, and failure events from workers
• add a settings journal page with read/read-all actions and infinite loading
• add route, service, repo, and worker regression tests

Rationale

The app now keeps user-visible operational history for torrent changes and worker outcomes, so failures and important torrent updates can be reviewed from the UI instead of only logs.

Validation

• bun run lint
• bun run test
• bun run build
• cd server && bunx tsc --noEmit --strict -p tsconfig.app.json
• cd client && bunx tsc --noEmit --strict -p tsconfig.app.json

Notes

• Existing lint warnings remain in older React hook and fast-refresh files.
• Vitest reports an existing nested vi.mock warning in server/test/transmission-adapter.test.ts; it should be cleaned up before a future Vitest release turns it into an error.

[gemini-code-assist]

Code Review

This pull request introduces an Event Journal feature to track and display system events related to torrent management. On the backend, it adds a new event_journal database table, migrations, a repository, and a service to record events such as torrent title/magnet changes, sync failures, download statuses, and file copy operations. It also exposes API endpoints to fetch paginated events and mark them as read. On the frontend, a new 'Events Journal' settings page has been added, featuring infinite scrolling, a custom text diff viewer for title/magnet changes, and options to mark events as read. The workers have been updated to log these events, and comprehensive tests have been added. No review comments were provided, and the implementation looks solid, so I have no additional feedback.

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[chatgpt-codex-connector]

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