Qdrant payload filters include set_names, related_node_ids, and is_rank0_set_names so that vector queries can be constrained by set membership, related graph nodes, and rank-0 set flags.

### Vector Storage (Qdrant)

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

- Payload filters: set_names, related_node_ids, is_rank0_set_names

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

- Collections: docs_{region}, user_memory_{region}, session_memory_{region}

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md