Release v1.0.113: document default_sort may use hidden columns

tests/test_display_metadata.py

@@ -595,6 +595,53 @@ metadata:
         self.assertIn("readonly = 1", text)
         self.assertIn("seed_column_metadata_batch", text)
         self.assertIn("valid_column_names", text)
+        self.assertIn("可以**引用 `visible=0` 的列", text)
+        self.assertIn("default_sort_json` / ORDER BY", text)
+
+    def test_default_sort_json_allows_hidden_column_and_rejects_missing(self) -> None:
+        conn = sqlite3.connect(":memory:")
+        try:
+            from db.display_metadata import (
+                init_display_metadata_tables,
+                seed_column_metadata_batch,
+                upsert_table_metadata,
+            )
+            from db.display_metadata_validator import validate_default_sort_metadata
+
+            cur = conn.cursor()
+            init_display_metadata_tables(cur)
+            cur.execute(
+                "CREATE TABLE demo_sort (id INTEGER PRIMARY KEY, title TEXT NOT NULL)"
+            )
+            upsert_table_metadata(
+                cur,
+                table_name="demo_sort",
+                display_name="排序示例",
+                default_sort_json='[{"column":"title","direction":"asc"},{"column":"id","direction":"desc"}]',
+            )
+            seed_column_metadata_batch(
+                cur,
+                table_name="demo_sort",
+                columns=(
+                    {"column_name": "id", "display_name": "编号", "visible": 0, "editable": 0},
+                    {"column_name": "title", "display_name": "标题", "visible": 1, "editable": 1},
+                ),
+                valid_column_names=["id", "title"],
+            )
+            errors, warnings = validate_default_sort_metadata(cur, "demo_sort")
+            self.assertEqual(errors, [])
+            self.assertTrue(any("visible=0" in w and "id" in w for w in warnings))
+
+            upsert_table_metadata(
+                cur,
+                table_name="demo_sort",
+                display_name="排序示例",
+                default_sort_json='[{"column":"missing_col","direction":"asc"}]',
+            )
+            errors, _ = validate_default_sort_metadata(cur, "demo_sort")
+            self.assertTrue(any("missing_col" in e for e in errors))
+        finally:
+            conn.close()
 
     def test_default_visible_columns_json_upsert_and_migrate(self) -> None:
         conn = sqlite3.connect(":memory:")