341ff656dc
Phase 2 of #23: - Planner schema compact: {hash, title} only, details stored via CAS CLI - Planner prompt instructs agent to shell out `cas put` for each phase - Coder prompt instructs agent to `cas get` for phase details, report hash - Moderator compares hashes instead of names - Removed COMPLETED_PHASE_SENTINELS — hash matching eliminates ambiguity Refs #23