Bulk remediation across the fleet registry: fix drift repo-by-repo and optionally bootstrap the un-governed ones — every repo previewed and confirmed individually. TRIGGER when the user says "fix drift across all my repos", "retrofit the fleet", "retrofit all my repos", "bring every repo into compliance", "remediate my whole fleet", "bootstrap all my repos", "set up nyann on every repo", "clean up governance across my repos", "/nyann:fleet-retrofit". Do NOT trigger on single-repo remediation ("fix this repo's drift") — that's `retrofit` — or single-repo setup — that's `bootstrap-project`. Do NOT trigger on "show fleet health" / "which repos are drifting" — that's `fleet` …
