fix: accept regional layer CLI lists

backend/tests/test_sprint191_regional_grb_context.py

@@ -59,6 +59,19 @@ def test_layer_registry_matches_verified_official_grb_collections() -> None:
         operator.selected_definitions("buildings")
 
 
+def test_layer_selection_accepts_space_and_comma_cli_forms() -> None:
+    operator = load_operator()
+
+    assert [item.key for item in operator.selected_definitions(["roads", "water", "parcels"])] == [
+        "roads",
+        "water",
+        "parcels",
+    ]
+    assert [item.key for item in operator.selected_definitions("roads,parcels")] == ["roads", "parcels"]
+    with pytest.raises(ValueError, match="Unsupported layers"):
+        operator.selected_definitions(["roads", "imaginary"])
+
+
 def test_line_owner_uses_intersection_length_and_deterministic_tie_break() -> None:
     operator = load_operator()
     scopes = __import__("geographic_scopes")

docs/CODEX_EXECUTION_LOG.md

@@ -9,7 +9,7 @@ Changed:
 Tested before deployment:
 - `python -m py_compile scripts/provision_regional_grb_context.py`.
 - `python -m pytest backend/tests/test_sprint191_regional_grb_context.py backend/tests/test_sprint190_regional_grb_buildings.py backend/tests/test_sprint106_map_bbox_extract.py -q` (`19 passed`).
-- `bash scripts/run_readiness_check.sh` (`552 passed`; one Alembic head; frontend typecheck/build and script syntax gates passed).
+- `bash scripts/run_readiness_check.sh` (`553 passed`; one Alembic head; frontend typecheck/build and script syntax gates passed).
 
 Next:
 - Pass the complete release gate, deploy the operator and provision all three live regional snapshots before claiming runtime readiness.

scripts/provision_regional_grb_context.py

@@ -112,7 +112,12 @@ LAYER_BY_KEY = {definition.key: definition for definition in LAYERS}
 def parse_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser(description="Provision municipality-partitioned regional GRB context layers.")
     parser.add_argument("--scope", choices=sorted(GEOGRAPHIC_SCOPES), default=DEFAULT_SCOPE_KEY)
-    parser.add_argument("--layers", default=",".join(LAYER_BY_KEY), help="Comma-separated subset: roads,water,parcels")
+    parser.add_argument(
+        "--layers",
+        nargs="+",
+        default=list(LAYER_BY_KEY),
+        help="Space- or comma-separated subset: roads water parcels",
+    )
     parser.add_argument("--observed-date", type=date.fromisoformat, default=date.today())
     parser.add_argument("--base-url", default=os.environ.get("GEOINTEL_INTERNAL_API_URL", DEFAULT_API_URL))
     parser.add_argument(
@@ -131,8 +136,14 @@ def parse_args() -> argparse.Namespace:
     return parser.parse_args()
 
 
-def selected_definitions(raw_layers: str) -> list[LayerDefinition]:
-    requested = {item.strip().lower() for item in raw_layers.split(",") if item.strip()}
+def selected_definitions(raw_layers: str | list[str]) -> list[LayerDefinition]:
+    values = [raw_layers] if isinstance(raw_layers, str) else raw_layers
+    requested = {
+        item.strip().lower()
+        for value in values
+        for item in value.split(",")
+        if item.strip()
+    }
     unknown = requested - set(LAYER_BY_KEY)
     if unknown or not requested:
         raise ValueError(f"Unsupported layers: {sorted(unknown)}")