Add canonical canvas rows, stable identity migration and model operations

2026-11-07 22:26:06 +08:00
parent 19884b2a90
commit b85e8bd2ca
10 changed files with 1996 additions and 3 deletions
@@ -44,7 +44,8 @@ func (s *service) canvasCapabilities(w http.ResponseWriter, r *http.Request, pro
 		ai["unavailable_reason"] = "codex_unavailable"
 	}
 	reply(w, 200, response{
-		"contract_version":          "canvas-v2-2026-11-06",
+		"contract_version":          "canvas-headless-2026-11-07",
+		"canonical_model":           response{"document_format_version": canvasModelFormat, "protocol_version": canvasModelProtocol, "explicit_migration": true, "stable_element_ids": true, "atomic_multi_canvas": true, "logical_operation_dedup": true, "legacy_snapshot_writes": false},
 		"supported_schema_versions": []int{1, 2},
 		"edge_features":             response{"appearance": true, "markers": true, "bezier_chain": true, "animation_configuration": true, "execution_events": true},
 		"subgraphs":                 response{"create": true, "migrate": true, "undo": true, "members": true, "dissolve": true, "connections": true, "member_positions": true},