docs: shared agent and Bugbot guardrails #59

Job	Run time
test (1.22.x)	18s
wrapper-cross-platform (ubuntu-latest)	35s
wrapper-cross-platform (macos-latest)	33s
spec-kit-conformance	42s
test (stable)	23s
wrapper-cross-platform (windows-latest)	1m 23s
	3m 54s

Provide feedback