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Plan 06 CI/CD: .clang-format, lint_firmware.sh, branch_protection.sh, protected_environments.sh, firmware-lint + hardware-gate CI jobs Plan 09 Bulk Edit: snapshot.sh, bulk_edit.py (dry-run/apply/verify), hw_diff.sh Plan 14 Release: release_prep.sh, generate_changelog.py, release_policy.py All 20 items closed across 3 plans. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>