fix(keenable): preserve upstream error text on failed search responses

Non-2xx Keenable bodies were parsed as success envelopes and surfaced schema
mismatch errors instead of the API message. Dispatch through get_error_class
before validating the success shape, matching other POST search providers.

Co-authored-by: Karl-Gustav Kallasmaa <KGKallasmaa@users.noreply.github.com>

litellm/llms/keenable/search/transformation.py

@@ -207,6 +207,15 @@ class KeenableSearchConfig(BaseSearchConfig):
         Records whether the keyless endpoint answered, so the cost calculator prices only keyed
         searches. Written unconditionally, so a caller-supplied value never sets its own cost.
         """
+        # POST search handlers do not always call raise_for_status, so non-2xx bodies can arrive
+        # here and must surface Keenable's error envelope instead of a schema mismatch.
+        if not (200 <= raw_response.status_code < 300):
+            raise self.get_error_class(
+                error_message=raw_response.text,
+                status_code=raw_response.status_code,
+                headers=dict(raw_response.headers),
+            )
+
         try:
             parsed: Final = _KeenableSearchResponse.model_validate_json(raw_response.content)
         except ValidationError as e:

tests/unit/llms/keenable/search/test_keenable_search_transformation.py

@@ -241,6 +241,21 @@ def test_litellm_search_end_to_end(api_key, path: str, auth):
     assert response.results[0].snippet == "Test page text"
 
 
+def test_non_2xx_response_surfaces_the_api_error_message():
+    with pytest.raises(BaseLLMException, match="Public API hourly limit reached") as excinfo:
+        _config().transform_search_response(
+            _resp(
+                {"error": "Rate limit exceeded", "message": "Public API hourly limit reached"},
+                status_code=429,
+            ),
+            logging_obj=Mock(optional_params={}),
+        )
+
+    assert excinfo.value.status_code == 429
+    assert "set KEENABLE_API_KEY" in excinfo.value.message
+    assert "does not match" not in excinfo.value.message
+
+
 def test_litellm_search_surfaces_the_api_error_message():
     # A non-2xx answer must reach the caller as Keenable's own message, never as a schema mismatch.
     request = httpx.Request("POST", f"{DEFAULT_ROOT}/search/public")