GET /api/drm/dashboard — DRM aggregate metrics
GET /api/drm/donors — Donor list (stage/limit filters)
GET /api/drm/donors/{id} — Single donor detail
POST /api/drm/profile/build — Build donor profile
POST /api/drm/chat — Natural language DRM query
POST /api/invoice/process — Start EIME pipeline
GET /api/invoice/pipelines — List invoice pipelines
GET /api/invoice/status/{id} — Pipeline status
POST /api/invoice/hitl/resolve — Resolve HITL items
POST /api/invoice/chat — Conversational invoice entry
POST /api/conversation/turn — Multi-turn conversation