- Add vendor-changed HTMX handlers for both bulk code and individual edit
- Pre-populate default account at 100% when vendor is selected and no accounts exist
- Fix render-accounts-section to render from step-params correctly
- Change bulk code vendor-changed from hx-get to hx-post to include form data
- Add routes for vendor-changed endpoints
- Update e2e tests to cover vendor pre-population
- Run lein cljfmt fix across codebase
- Added comprehensive test suite for account creation, validation, and grid views
- Documented Datomic entity reference handling patterns in test comments
- Created 5 test improvement todo documents addressing common test anti-patterns
- Todo items cover: removing debug statements, fixing test nesting, strengthening assertions, extracting helpers, and removing doc-only tests
