v1.2.0 — Enterprise + Gate 1.5 + Production Polish

Added

• Gate 1.5 cold-start: curated registries + vendor-scoped .forge/vendor + --global/--offline
• Hermetic --project + .team/lock.json (sha256+git SHA)
• Working directory per phase + capabilities manifest
• validators, audit, eval+trace
• Production repo: 7 badges, CI/security workflows, CODEOWNERS, FUNDING, issue templates, CHANGELOG, MIT headers, logo