Development record

04-launch.md:300 says each gate row carries a tier, 04-launch.md:385 says two rows report without one (citation baseline, semantic receipts), and lines 305-368 list the secret scan, merge hold and installability smoke as hard-fail gates. abcd launch --dry-run --json gives no tier on five rows: secret+pii-scan, installability-smoke, merge-hold, citation-baseline and semantic-receipts (internal/core/launch/dryrun.go:153,165; internal/core/launch/mergehold.go:112).