Project State Governor v1.0.0

Initial public release of Project State Governor.

• Evidence-backed canonical project state across sessions and branches
• Completion verification and branch-aware reconciliation
• Negative-evidence preservation and documentation consolidation
• English and Simplified Chinese documentation
• Codex metadata and portable SKILL.md core
• Apache-2.0 licensed

首次公开发布：提供跨会话、分支、审查和研究周期的可核验项目状态治理，并附中英文文档。