feat: precipitate grid presentation (row/column/region) into skill contract

tests/test_docs_standards.py

@@ -327,6 +327,11 @@ class TestDocsStandards(unittest.TestCase):
                 os.path.join(root, "assets", "schemas", "skill-cell-presentation.schema.json")
             )
         )
+        self.assertTrue(
+            os.path.isfile(
+                os.path.join(root, "assets", "schemas", "skill-grid-presentation.schema.json")
+            )
+        )
         self.assertTrue(os.path.isfile(os.path.join(root, "tests", "test_actions_manifest.py")))
         self.assertTrue(os.path.isfile(os.path.join(root, "tests", "test_data_management_contract.py")))
 
@@ -375,6 +380,7 @@ class TestDocsStandards(unittest.TestCase):
             "表增删改与退役",
             "drop_deprecated_user_table",
             "孤儿物理表",
+            "_jiangchang_grid_presentation",
         ):
             self.assertIn(marker, text, msg=f"SCHEMA.md missing {marker!r}")
 
@@ -416,6 +422,8 @@ class TestDocsStandards(unittest.TestCase):
         text = self._read("assets/examples/README.md")
         self.assertIn("visible-when-action.example.json", text)
         self.assertIn("selection-mode-optional.action.example.json", text)
+        self.assertIn("skill-cell-presentation.example.json", text)
+        self.assertIn("skill-grid-presentation.example.json", text)
         checklist = self._read("development/CHECKLIST.md")
         self.assertIn("A4-7", checklist)
         self.assertIn("visibleWhen", checklist)