Restructure CI with proper check naming

Checks now appear as:
- CI / Static Analysis / Lint (ESLint)
- CI / Static Analysis / Types (TypeScript)
- CI / Tests / Unit (Vitest)
- CI / Tests / E2E (Playwright) [disabled for non-app repos]
- CI / Reviews / Requirements
- CI / Reviews / Code Quality
- CI / Reviews / Context
- CI / Reviews / UI [disabled for non-app repos]
- CI / Reviews / Summary

Dependencies:
- Unit tests require Static Analysis to pass
- E2E requires Unit to pass
- Reviews require Unit to pass
- Code Quality & Context require Requirements to pass

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: sylvansys