<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Updates contributor and agent docs for testing, DB migrations, and
reviews.
> 
> - Expands `AGENTS.md` with a pointer to `CONTRIBUTING.md` and a new
**Testing** section outlining when to use unit vs E2E tests
> - In `CONTRIBUTING.md`, clarifies **DB migration** flow: use `npm run
db:generate` (remove `db:push`) and how to reset by deleting
`userData/sqlite.db`
> - Adds a **Code reviews** section noting AI reviewers and local review
tooling (`codex`, `claude`)
> - Minor cleanup/edits for setup and guidance; no code changes
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
517c8f7a0a4a56487707e8711bfe1b1a4bd95431. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Updated AGENTS.md and CONTRIBUTING.md to clarify testing approach (unit
vs E2E), update database migration steps, and document the code review
process and local review tools. This helps agents and contributors
follow a consistent workflow.

<sup>Written for commit 517c8f7a0a4a56487707e8711bfe1b1a4bd95431.
Summary will update on new commits.</sup>

<!-- End of auto-generated description by cubic. -->