Launch checklist: KeyTurn 0.1.0 beta

[x] Core builder works offline (OPEN-ME-KeyTurn.html) and in the live demo
[x] Privacy floor tested: SSN, bank account/routing, government IDs rejected
[x] Four outputs verified: packet, 12-month ledger CSV, maintenance log, move-out sheet
[x] Sample data is fictional (Morgan Ellis / Cedar Court Duplex — invented)
[x] Economics shows hypotheses AND losing columns
[x] No legal-advice claims; "lease and state law control" on packet + site
[x] $1 checkout OFF; nothing for sale
[x] Three independent reviewers PASS the exact revision (round 34)
[x] ZIP hash recorded in manifest.json, release.json, data/projects.json, kit page
[x] Sibling ZIP hashes unchanged (spot-checked)