cleanup: CLI simplify pass, correctness fixes, core dedups, scan split, docs sync (−587 net lines) #361

Job	Run time
dispatch-tests	12s
test (ubuntu-latest)	13m 32s
coverage	8m 46s
lint-ecosystems	7s
test-release	26m 4s
e2e-docker (nuget)	4m 33s
e2e-docker (cargo)	4m 44s
test (windows-latest)	26m 50s
e2e-docker (composer)	4m 15s
e2e-docker (npm)	4m 25s
e2e-docker (maven)	4m 31s
e2e-docker (pypi)	5m 5s
clippy	22s
test (macos-latest)	10m 26s
e2e-docker (gem)	4m 19s
coverage-docker (nuget)	6m 4s
setup-matrix (maven)	4m 21s
coverage-docker (cargo)	5m 20s
setup-matrix (golang)	2m 59s
setup-matrix (pypi)	4m 23s
coverage-docker (deno)	5m 6s
setup-matrix (npm)	3m 49s
setup-matrix (cargo)	3m 13s
coverage-docker (gem)	5m 41s
coverage-docker (pypi)	5m 6s
coverage-docker (maven)	5m 54s
setup-matrix (deno)	3m 6s
e2e-docker (golang)	4m 6s
coverage-docker (npm)	5m 40s
coverage-docker (golang)	5m 4s
setup-matrix (composer)	3m 16s
coverage-docker (composer)	5m 14s
e2e-docker (deno)	4m 36s
setup-matrix (gem)	3m 15s
setup-matrix (nuget)	3m 17s
coverage-merge	21s
e2e (ubuntu-latest, e2e_cargo)	1m 37s
e2e (ubuntu-latest, e2e_composer)	1m 32s
e2e (ubuntu-latest, e2e_golang)	1m 41s
e2e (ubuntu-latest, e2e_nuget)	1m 33s
e2e (ubuntu-latest, e2e_safety_cargo_build)	1m 34s
e2e (ubuntu-latest, e2e_vendor_composer_build)	1m 44s
e2e (ubuntu-latest, e2e_maven)	1m 31s
e2e (windows-latest, e2e_safety_cargo_build)	3m 45s
e2e (macos-latest, e2e_safety_pnpm)	1m 44s
e2e (macos-latest, e2e_safety_cargo_build)	1m 48s
e2e (ubuntu-latest, e2e_vendor_gem_build)	1m 43s
e2e (windows-latest, e2e_safety_pnpm)	3m 46s
e2e (ubuntu-latest, e2e_safety_pnpm)	1m 42s
	3h 53m 42s

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