Fix bash 3.2 parser error on escaped space in collect-inventory.sh (=~ ^require\ ]] -> [[:space:]]). Remove unused Go imports in cmd/audit/main.go and internal/security/claude.go, and an unused test variable in osv_test.go so go build and go vet pass. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GVbEgdgcC1w6qwSq3zC4kg