added a new metadata field for multi-model/family app

clams/appmetadata/__init__.py

@@ -290,6 +290,10 @@ class AppMetadata(pydantic.BaseModel):
         None, 
         description="(optional) Version of an analyzer software, if the app is working as a wrapper for one. "
     )
+    analyzer_versions: Optional[Dict[str, str]] = pydantic.Field(
+        None,
+        description="(optional) Map of analyzer IDs to their versions, for apps that wrap multiple models or families."
+    )
     app_license: str = pydantic.Field(
         ..., 
         description="License information of the app."

tests/test_clamsapp.py

@@ -431,6 +431,35 @@ def test_est_gpu_mem_typ_validation(self):
             # Should have auto-corrected
             self.assertEqual(metadata.est_gpu_mem_typ, metadata.est_gpu_mem_min)
 
+        def test_analyzer_versions_default_none(self):
+            """analyzer_versions field defaults to None."""
+            metadata = AppMetadata(
+                name="Test App",
+                description="Test",
+                app_license="MIT",
+                identifier="test-app",
+                url="https://example.com",
+            )
+            metadata.add_input(DocumentTypes.TextDocument)
+            metadata.add_output(AnnotationTypes.TimeFrame)
+
+            self.assertIsNone(metadata.analyzer_versions)
+
+        def test_analyzer_versions_with_value(self):
+            """analyzer_versions can be set with a dictionary."""
+            test_versions = {"model_a": "1.0", "model_b": "2.1"}
+            metadata = AppMetadata(
+                name="Test App",
+                description="Test",
+                app_license="MIT",
+                identifier="test-app",
+                url="https://example.com",
+                analyzer_versions=test_versions,
+            )
+            metadata.add_input(DocumentTypes.TextDocument)
+            metadata.add_output(AnnotationTypes.TimeFrame)
+
+            self.assertEqual(metadata.analyzer_versions, test_versions)
 
 class TestRestifier(unittest.TestCase):