- Fix invariant glossary entry: reconciliation now documented as occurring
at each phase boundary (before Strategize, Execute, Apply, and after Apply)
rather than only at start of Strategize (closes#9899)
- Add Multi-Phase Invariant Enforcement note to Plan Lifecycle section
- Add ACMS Thread Safety subsection documenting threading.RLock concurrency
contract for ContextAssemblyPipeline and all context stores (closes#9859)
- Append M7: Advanced Concepts and Deferred Features (v3.6.0) milestone spec
section covering advanced invariant lifecycle, ACMS observability, plan
hierarchy enhancements, and CLI communication pattern migration
- Add ADR-049: CLI Communication Pattern documenting local CLI exemption
from A2A boundary requirement and M9 migration path
