fix: correctness bug sweep + hardening tests across crawlers, patch, and vex #303

Job	Run time
dispatch-tests	8s
clippy	21s
coverage	4m 5s
test (ubuntu-latest)	5m 5s
test (windows-latest)	21m 14s
test (macos-latest)	6m 35s
test-release	14m 56s
e2e-docker (gem)	3m 29s
e2e-docker (pypi)	3m 44s
e2e-docker (composer)	3m 2s
e2e-docker (npm)	3m 44s
e2e-docker (nuget)	3m 32s
setup-matrix (cargo)	2m 30s
lint-ecosystems	15s
setup-matrix (npm)	3m 21s
e2e-docker (maven)	3m 44s
e2e-docker (deno)	3m 51s
e2e-docker (golang)	3m 22s
setup-matrix (golang)	2m 21s
e2e-docker (cargo)	3m 38s
setup-matrix (nuget)	2m 36s
setup-matrix (maven)	3m 29s
setup-matrix (composer)	2m 28s
coverage-docker (deno)	4m 24s
setup-matrix (pypi)	3m 56s
coverage-docker (pypi)	4m 42s
coverage-docker (npm)	4m 29s
setup-matrix (gem)	2m 26s
setup-matrix (deno)	2m 28s
coverage-docker (maven)	4m 38s
coverage-docker (nuget)	4m 19s
coverage-docker (cargo)	4m 33s
coverage-docker (composer)	4m 33s
coverage-docker (golang)	4m 28s
coverage-docker (gem)	4m 29s
coverage-merge	33s
e2e (ubuntu-latest, e2e_nuget)	1m 26s
e2e (ubuntu-latest, e2e_cargo)	1m 24s
e2e (macos-latest, e2e_safety_cargo_build)	2m 2s
e2e (ubuntu-latest, guard_build_integration)	1m 26s
e2e (ubuntu-latest, e2e_composer)	1m 24s
e2e (macos-latest, e2e_safety_pnpm)	2m 17s
e2e (ubuntu-latest, e2e_golang)	1m 24s
e2e (windows-latest, e2e_safety_pnpm)	3m 40s
e2e (ubuntu-latest, e2e_safety_cargo_build)	1m 34s
e2e (ubuntu-latest, e2e_cargo_coexist)	1m 32s
e2e (ubuntu-latest, e2e_maven)	1m 25s
e2e (ubuntu-latest, e2e_safety_pnpm)	1m 35s
e2e (windows-latest, e2e_safety_cargo_build)	3m 13s
	2h 55m 50s

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