Summary

• delegate Hawk chat transport construction fully to Eyrie runtime policy
• sync external/eyrie to the merged runtime provider policy commit
• make auto-init marker write failures explicit to avoid retry loops

Validation

• golangci-lint run --timeout=5m ./cmd ./internal/autoinit ./internal/engine
• GOCACHE=/private/tmp/hawk-final-gocache go test ./cmd ./internal/engine ./internal/autoinit ./internal/config -count=1
• GOCACHE=/private/tmp/hawk-final-gocache-compile go test ./... -run '^$'
• pre-push: boundary guards, govulncheck, go test ./..., go vet ./...