fix: second-pass bug sweep — crawler traversal guards, FIFO hangs, at… #321

Job	Run time
clippy	47s
dispatch-tests	15s
test (macos-latest)	5m 52s
coverage	6m 4s
coverage-docker (golang)	5m 2s
coverage-docker (gem)	5m 2s
coverage-docker (nuget)	4m 56s
test-release	17m 41s
coverage-docker (cargo)	5m 13s
coverage-docker (maven)	6m 27s
e2e-docker (pypi)	4m 32s
setup-matrix (golang)	2m 48s
e2e-docker (npm)	4m 10s
setup-matrix (maven)	6m 29s
setup-matrix (cargo)	2m 59s
setup-matrix (gem)	2m 51s
setup-matrix (deno)	2m 56s
e2e-docker (golang)	4m 0s
e2e-docker (nuget)	4m 2s
e2e-docker (maven)	3m 40s
setup-matrix (pypi)	4m 22s
coverage-docker (deno)	4m 59s
lint-ecosystems	7s
e2e-docker (gem)	4m 21s
setup-matrix (npm)	3m 19s
e2e-docker (deno)	4m 6s
setup-matrix (nuget)	3m 20s
setup-matrix (composer)	2m 53s
coverage-docker (npm)	5m 24s
coverage-docker (composer)	4m 56s
test (ubuntu-latest)	6m 59s
e2e-docker (composer)	4m 13s
coverage-docker (pypi)	5m 19s
test (windows-latest)	20m 57s
e2e-docker (cargo)	4m 8s
coverage-merge	27s
e2e (macos-latest, e2e_safety_cargo_build)	2m 12s
e2e (ubuntu-latest, e2e_cargo)	1m 33s
e2e (ubuntu-latest, e2e_safety_pnpm)	1m 45s
e2e (ubuntu-latest, e2e_safety_cargo_build)	1m 20s
e2e (ubuntu-latest, e2e_golang)	1m 32s
e2e (ubuntu-latest, e2e_maven)	1m 31s
e2e (ubuntu-latest, e2e_nuget)	1m 36s
e2e (macos-latest, e2e_safety_pnpm)	2m 14s
e2e (windows-latest, e2e_safety_pnpm)	4m 46s
e2e (ubuntu-latest, e2e_composer)	1m 32s
e2e (windows-latest, e2e_safety_cargo_build)	3m 58s
	3h 19m 35s

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