Enable governed GRB evolution

scripts/provision_regional_grb_context.py

@@ -10,7 +10,6 @@ VectorFeatureService; this operator never writes directly to vector_features.
 from __future__ import annotations
 
 import argparse
-import hashlib
 import json
 import os
 import sys
@@ -340,11 +339,11 @@ def build_partition_features(
         pages_by_collection[collection.name] += 1
         for source_feature in payload.get("features") or []:
             bbox_feature_count += 1
-            raw_id = str(source_feature.get("id") or "")
+            raw_id = str(source_feature.get("id") or "").strip()
             if not raw_id:
-                raw_id = hashlib.sha256(
-                    json.dumps(source_feature.get("geometry"), sort_keys=True).encode("utf-8")
-                ).hexdigest()
+                raise RuntimeError(
+                    f"GRB {collection.name} feature is missing an official source identity"
+                )
             feature_id = f"{collection.name}:{raw_id}"
             if feature_id in seen_ids:
                 continue
@@ -736,6 +735,11 @@ def provision_dataset(
         "feature_count": manifest["feature_count"],
         "partition_count": len(partition_paths),
         "partition_strategy": manifest["partition_strategy"],
+        "identity_stable": True,
+        "identity_scheme": "grb_ogc_feature_id",
+        "identity_prefixes": [
+            f"{item.name}:{item.name}." for item in definition.collections
+        ],
         "selection_aggregation": {
             "metric_key": definition.metric_key,
             "method": definition.metric_method,