Initial SpecForge Format v1.0 schema published

6 core entities: Project, Specification, Epic, Ticket, Blueprint, Patterns

Three format support: JSON, YAML, TOON

@specforge/validator npm package with CLI and programmatic API

Dependency graph with blocks/requires relationship types

Ticket status: pending → ready → active → done (blocked signaled via statusReason)

RFC 0001 documenting all v1.0 design decisions

GOVERNANCE.md with OpenAPI-style change tiers (patch/minor/major)