Convert PHPUnit class-based tests to Pest functional syntax with:
- 47 test cases organised into 9 describe blocks
- Proper beforeEach/afterEach hooks for test setup/teardown
- Covers: template listing, retrieval, preview, variable substitution,
plan creation, validation, categories, context generation, edge cases
- Uses expect() assertions and method chaining for clarity
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
P2 Items Completed (P2-062 to P2-068):
- Switch AgentApiKey from SHA-256 to Argon2id hashing
- Add 200+ tests for models, services, and AI providers
- Create agent_plans migration with phases and workspace states
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
