Onboarding: Revert Google enum fix

backend/app/core/providers.py

@@ -52,12 +52,8 @@ class ProviderConfig:
     Provider.GOOGLE: ProviderConfig(
         required_fields=[
             "api_key",
-            "project_id",
-            "location",
-            "sa_key",
-            "gcs_bucket",
         ],
-        sensitive_fields=["api_key", "sa_key"],
+        sensitive_fields=["api_key"],
     ),
     Provider.WEBHOOK_SECRET: ProviderConfig(
         required_fields=["webhook_secret"], sensitive_fields=["webhook_secret"]

backend/app/services/llm/mappers.py

@@ -592,11 +592,6 @@ def transform_kaapi_config_to_native(
         )
 
     if kaapi_config.provider == Provider.GOOGLE:
-        if kaapi_config.type not in (CompletionType.STT, CompletionType.TTS):
-            raise ValueError(
-                f"google provider does not support completion type '{kaapi_config.type}'. "
-                "Use the 'google-aistudio' provider for text completions."
-            )
         # Kaapi STT/TTS param shape is identical to Google's; reuse the Google mapper.
         mapped_params, warnings = map_kaapi_to_google_params(
             kaapi_config.params, kaapi_config.type

backend/app/tests/services/llm/test_mappers.py

@@ -887,25 +887,23 @@ def test_temperature_zero_is_preserved(self):
 
 class TestTransformGoogleVertexRouting:
     """Routing contract for the ``google`` provider (which executes via
-    Vertex AI). Text completions are explicitly rejected — they must go
-    through the ``google-aistudio`` provider."""
+    Vertex AI)."""
 
-    def test_text_completion_is_rejected(self, db: Session):
-        """``google`` is audio-only (Vertex STT/TTS) — text completions
-        must be routed through ``google-aistudio``."""
+    def test_text_completion_maps_via_google_mapper(self, db: Session):
+        """``google`` text completions reuse the Google mapper and produce a
+        ``google-native`` config (param shape is identical to Google's)."""
         kaapi_config = KaapiCompletionConfig(
             provider="google",
             type="text",
             params={"model": "gemini-2.5-pro"},
         )
 
-        with pytest.raises(ValueError) as exc_info:
-            transform_kaapi_config_to_native(session=db, kaapi_config=kaapi_config)
+        native_config, warnings = transform_kaapi_config_to_native(
+            session=db, kaapi_config=kaapi_config
+        )
 
-        msg = str(exc_info.value)
-        assert "google" in msg
-        assert "text" in msg
-        assert "google-aistudio" in msg  # hints the caller toward the right provider
+        assert native_config.provider == "google-native"
+        assert native_config.params["model"] == "gemini-2.5-pro"
 
     def test_unsupported_language_emits_warning(self, db: Session):
         """Languages not in BCP47_LOCALE_TO_GEMINI_LANG fall back to auto-detect