feat: tool-type scaffold generator and registration records #286

Job	Run time
mypy	20s
Verify prod requirements.txt is sufficient	10s
ruff + pip-audit (windows-latest)	56s
pytest (macos-latest)	48s
ruff + pip-audit (ubuntu-latest)	13s
pytest (ubuntu-latest)	47s
ruff + pip-audit (macos-latest)	29s
Frontend unit tests (vitest) (windows-latest)	1m 6s
API integration tests + coverage (ubuntu-latest)	22s
pytest (windows-latest)	1m 42s
Frontend unit tests (vitest) (macos-latest)	34s
Frontend unit tests (vitest) (ubuntu-latest)	31s
API integration tests + coverage (macos-latest)	20s
Performance benchmarks (gated)	33s
API integration tests + coverage (windows-latest)	1m 0s
	9m 51s

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