feat: close ordered pairs and property codec batches

config/freecad-property-area-promotion.json

@@ -0,0 +1,71 @@
+{
+  "schemaVersion": 1,
+  "status": "pass",
+  "taskId": "PROP-app-propertyarea-I",
+  "baseline": {
+    "freecadVersion": "1.1.1",
+    "commit": "0108fd4b4850cc46e625b60e53cea7a7bbe69f8d"
+  },
+  "propertyType": "App::PropertyArea",
+  "recordCount": 1,
+  "phaseEvidence": {
+    "A": [
+      "config/freecad-property-area-inventory.json",
+      "check:freecad-property-area-inventory"
+    ],
+    "B": [
+      "config/freecad-property-area-success.json",
+      "check:freecad-property-area-success"
+    ],
+    "C": [
+      "config/freecad-property-area-failure.json",
+      "check:freecad-property-area-failure"
+    ],
+    "D": [
+      "config/freecad-property-area-mutation.json",
+      "check:freecad-property-area-mutation"
+    ],
+    "E": [
+      "src/facade/types.ts",
+      "src/facade/fcstd.ts",
+      "src/facade/mockFacade.ts",
+      "tests/propertyAreaFacade.test.ts",
+      "test:freecad-property-area-facade"
+    ],
+    "F": [
+      "tests/propertyAreaTransaction.test.ts",
+      "test:freecad-property-area-transaction"
+    ],
+    "G": [
+      "config/freecad-property-area-roundtrip.json",
+      "check:freecad-property-area-roundtrip"
+    ],
+    "H": [
+      "config/chrome-property-area-verification.json",
+      "check:chrome-property-area"
+    ]
+  },
+  "promotion": {
+    "from": "opaque-fcstd-proxy",
+    "to": "native-editable-codec",
+    "facadeValueModel": "read-only-derived-mm^2-with-link-sub-list-input",
+    "inputType": "App::PropertyLinkSubList",
+    "fcstdAreaElement": "Float",
+    "fcstdElementsElement": "LinkSubList",
+    "nativeRoundTripArea": 20,
+    "browserRoundTripArea": 0,
+    "browserRoundTripElementCount": 0,
+    "sourceGeometryPreserved": true,
+    "zeroUnknownDrift": true
+  },
+  "exactBlockerSync": {
+    "nativeEditableTypes": 30,
+    "nativeEditableRecords": 4361,
+    "opaqueTypes": 50,
+    "opaqueRecords": 466,
+    "exactPromotionReady": false,
+    "exactBlocker": "50 runtime property types and 466 records remain opaque-only; complete native document and property semantics"
+  },
+  "systemExact": false,
+  "generatedAt": "2026-08-17T08:49:33.776Z"
+}