Repair Plans, Cross-Shop Ops

Per repair-plans-entity-spec.md §8.1. HelpWin-internal. Not customer-facing.

Plans shared but not viewed in >72h surface first. Customer-engagement funnel across all shops.

Fully-approved plans from the last 30 days. Conversion wins; estimated approved revenue per plan.

Items where ai_generated=true AND ai_confidence < 0.7 on a draft plan. Per ai-governance-policy.md §5, these must not be customer-shared until operator approves. v0 is empty until DVI-AI-PHASE1 ships writes.