backlog-intake

Consolidate deep-review artifacts (mcp-server-audit, experimental-promotion, roslyn-mcp-retro) into ai_docs/backlog.md with anchor verification, dedupe, priority classification, and Rule 1/3/4/5 sizing for the backlog-sweep-plan.md planner prompt. Use when: a deep-review / audit wave has produced *_mcp-server-audit.md / *_roslyn-mcp-retro.md / *_experimental-promotion.md files across sibling repos (or this one) and…