Publish curated GeoIntel source snapshot

backend/alembic/versions/202607160001_vector_feature_municipality_index.py

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+"""Index partitioned vector features by dataset and municipality."""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "202607160001"
+down_revision = "202607150001"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_index(
+        "ix_vector_features_dataset_municipality",
+        "vector_features",
+        ["dataset_id", sa.text("(properties_json ->> 'municipality')")],
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("ix_vector_features_dataset_municipality", table_name="vector_features")