Audit current unit-test workflow and testability

### Description

Review the existing test-task configuration, identify testable modules and components, and prioritize high-value areas for initial unit coverage.

### Action Items

- [ ] Review current test scripts, dependencies, and CI behavior.
- [ ] Inventory testable logic, utilities, and components.
- [ ] Identify blockers and gaps for unit testing.
- [ ] Recommend initial coverage priorities.

### Additional Information

Parent Epic: https://github.com/hackforla/lucky-parking/issues/732

Start by reviewing the repository's current test-task configuration, test scripts, dependencies, and CI behavior. Inventory testable logic, utilities, and components, then record unit-testing blockers and gaps. Done means documenting prioritized, high-value areas for initial unit-test coverage.

Written by the indexing model from the issue text.