Changelog

• fa8b0fd feat(tui): add refresh (r), status colors, group toggle (g), event CSV export
• 96f46c1 feat(tui): export affected resources to CSV with 'e'
• dff4f71 feat(tui): make EOL label colored and drop brackets
• 91b7b13 feat: add version command, goreleaser release pipeline and Makefile
• 65cbbd4 first commit
• c63004a refactor(render): export helpers directly, drop helpers_public.go wrapper
• a7d219d refactor(tui): eventItem interface, centralize quit/flash, unify viewport keys
• bf81bad refactor(tui): extract viewportPage helper, split tests by concern