Update

tests/unit/services/openai_gateway/usage.py

@@ -219,3 +219,32 @@ def test_compute_cost_native_upstream_cost_unaffected_by_tiering():
     total, _, _, native = compute_cost({"cost": 0.05}, norm, tiered, "chat")
     assert native is True
     assert total == 0.05
+
+
+def test_validate_app_reference_accepts_valid_slugs():
+    from devplacepy.services.openai_gateway.service import _validate_app_reference
+
+    assert _validate_app_reference("devplace-devii-v-1-0-0") == "devplace-devii-v-1-0-0"
+    assert _validate_app_reference("my-app") == "my-app"
+    assert _validate_app_reference("a") == "a"
+    assert _validate_app_reference("abcdefghijklmnopqrstuvwxyz0123") == "abcdefghijklmnopqrstuvwxyz0123"
+    assert _validate_app_reference("test_app.release-2") == "test_app.release-2"
+
+
+def test_validate_app_reference_rejects_invalid():
+    from devplacepy.services.openai_gateway.service import _validate_app_reference
+
+    assert _validate_app_reference("") == "default"
+    assert _validate_app_reference("   ") == "default"
+    assert _validate_app_reference("hello world") == "default"
+    assert _validate_app_reference("name@domain") == "default"
+    assert _validate_app_reference("name/domain") == "default"
+    assert _validate_app_reference(None) == "default"
+    assert _validate_app_reference("abcdefghijklmnopqrstuvwxyz01234") == "default"
+
+
+def test_validate_app_reference_strips_whitespace():
+    from devplacepy.services.openai_gateway.service import _validate_app_reference
+
+    assert _validate_app_reference("  my-app  ") == "my-app"
+    assert _validate_app_reference("\tdevplace\t") == "devplace"