Add purpose and demand model extension

infospace/agent/briefs/mapping-purpose-demand-governance-candidates.md

@@ -0,0 +1,30 @@
+---
+id: agent-brief/mapping-purpose-demand-governance-candidates
+artifact_id: mapping/purpose-demand-governance-candidates
+source_path: mappings/purpose-demand-governance-candidates.yaml
+source_kind: mapping
+generated: true
+---
+
+<!-- GENERATED by info_tech_canon; do not edit by hand. -->
+
+# Agent Brief: Purpose Demand Governance Extension Candidates
+
+- Artifact ID: `mapping/purpose-demand-governance-candidates`
+- Kind: `mapping`
+- Canonical path: `mappings/purpose-demand-governance-candidates.yaml`
+- Full source: `mappings/purpose-demand-governance-candidates.yaml`
+- Summary: Mapping artifact connecting canon surfaces: Purpose Demand Governance Extension Candidates.
+
+## Retrieval Hints
+
+Imports and anchors:
+- `model/task`
+
+## Owned Concepts
+
+- `Purpose Demand Governance Extension Candidates`
+
+## Related Distinctions
+
+No common distinction is anchored directly on this artifact.