feat(schema): add mpp/image_width/image_height/magnification catalog columns

src/sddb/_catalog_schema.py

@@ -62,6 +62,10 @@
     "hne_image": "boolean",
     "if_image": "boolean",
     "ftu_annotation": "boolean",
+    "mpp": "Float64",
+    "image_width": "Int64",
+    "image_height": "Int64",
+    "magnification": "string",
     "publication_date": "string",
     # Publication verification (set by the engine's publication-verification gate): the resolved
     # paper identifiers + the verify status (verified / provisional / no_associated_publication).

tests/_fixtures.py

@@ -77,6 +77,11 @@ def make_fixture_catalog() -> pd.DataFrame:
             "study_id": [_STUDIES[i] if i < len(_STUDIES) else f"Study{i}" for i in range(n)],
             "vitessce_url": [f"s3://scverse-spatial-eu-central-1/.lamindb/{r[0]}_vitessce.json" for r in _ROWS],
             "flag_foo": [True] * n,  # unknown extra column
+            # imaging metadata (typed nulls: not populated by the fixture)
+            "mpp": [None] * n,
+            "image_width": [None] * n,
+            "image_height": [None] * n,
+            "magnification": [None] * n,
             # superset list columns, derived per-row so the fixture stays len(_ROWS)-agnostic
             "collections": [[f"c-{i}"] if i % 3 else [] for i in range(n)],
             "staining_method": [["H&E", "IF"] if i % 2 else None for i in range(n)],

tests/test_catalog_schema.py

@@ -164,3 +164,13 @@ def test_collection_columns_include_study_fields():
     assert all(cs.COLLECTION_COLUMNS[c] == "string" for c in expected)
     # not newly required
     assert expected.isdisjoint(set(cs.COLLECTION_REQUIRED))
+
+
+def test_new_imaging_columns_present():
+    from sddb import _catalog_schema as schema
+
+    assert schema.CATALOG_COLUMNS["mpp"] == "Float64"
+    assert schema.CATALOG_COLUMNS["image_width"] == "Int64"
+    assert schema.CATALOG_COLUMNS["image_height"] == "Int64"
+    assert schema.CATALOG_COLUMNS["magnification"] == "string"
+    assert "mpp" in schema.RANGE_COLUMNS