Heirloom License v1.0 (draft)

First public draft of the Heirloom License (identifier HL-1.0-<ChangeLicense>-<DormancyWindow>, default HL-1.0-MPL2.0-12mo).

Commercial while maintained; if the developer goes dormant (default 12 months, no support response), the source auto-publishes under a strong copyleft license (default MPL-2.0), irrevocably.

Status: community draft, pending legal review (see LEGAL-REVIEW.md). Feedback and red-lines welcome via issues.