claude-code-chat-browser: YAML escape fix — handle colons, hashes, tabs, bool literals in frontmatter export #233

Job	Run time
Frontend unit tests (vitest) (windows-latest)	47s
Performance benchmarks (gated)	34s
API integration tests + coverage (macos-latest)	20s
pytest (macos-latest)	37s
Frontend unit tests (vitest) (macos-latest)	29s
pytest (ubuntu-latest)	47s
ruff + pip-audit (windows-latest)	1m 9s
mypy	18s
pytest (windows-latest)	1m 21s
ruff + pip-audit (macos-latest)	19s
ruff + pip-audit (ubuntu-latest)	25s
API integration tests + coverage (windows-latest)	48s
Verify prod requirements.txt is sufficient	8s
Frontend unit tests (vitest) (ubuntu-latest)	24s
API integration tests + coverage (ubuntu-latest)	20s
	8m 46s

Provide feedback