feat: add read-only inventory API

backend/tests/test_inventory_domain.py

@@ -281,11 +281,17 @@ class InventoryRepositoryIntegrationTests(unittest.TestCase):
 
 
 class InventoryArchitectureTests(unittest.TestCase):
-    def test_inventory_package_has_no_http_layer_or_router(self):
-        import app.inventory as inventory
-
+    def test_inventory_domain_layers_have_no_http_dependency(self):
         inventory_path = Path(__file__).parents[1] / "app" / "inventory"
-        for source_path in inventory_path.glob("*.py"):
+        domain_files = (
+            "dependencies.py",
+            "exceptions.py",
+            "models.py",
+            "repository.py",
+            "service.py",
+        )
+        for filename in domain_files:
+            source_path = inventory_path / filename
             tree = ast.parse(source_path.read_text(encoding="utf-8"))
             imported_modules = []
             for node in ast.walk(tree):
@@ -298,8 +304,6 @@ class InventoryArchitectureTests(unittest.TestCase):
                 source_path,
             )
 
-        self.assertFalse(hasattr(inventory, "router"))
-
 
 if __name__ == "__main__":
     unittest.main()