groove-utilities-memory-retrospective Use $ARGUMENTS to specify period: (default), , or . Outcome A period retrospective is output to the conversation: session rating trend, recurring mistake patterns, top learnings captured, and a short workflow health summary. No files are written. Acceptance Criteria - Session ratings trend shown (if has data) - Mistake patterns summarised (from resolved incidents in task backend) - Top learnings listed by topic (from dated entries) - Workflow health summary: one sentence on overall trend - All output goes to conversation only Steps 1. Memory path is alway…