fix(guardrails): restore supported_decisions_providers so the Add Guardrail settings endpoint loads on stable/1.104.x

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm/decisions/call.py

@@ -85,7 +85,7 @@ class DecisionsCall:
     litellm_params: Mapping[str, object] = field(repr=False)
 
 
-def _supported_providers() -> tuple[str, ...]:
+def supported_decisions_providers() -> tuple[str, ...]:
     return tuple(
         provider.value
         for provider in LlmProviders
@@ -99,7 +99,7 @@ def _provider_config(model: str, custom_llm_provider: str) -> BaseDecisionsConfi
         None if provider is None else ProviderConfigManager.get_provider_decisions_config(model, provider)
     )
     if provider_config is None:
-        supported: Final = ", ".join(_supported_providers())
+        supported: Final = ", ".join(supported_decisions_providers())
         raise litellm.BadRequestError(
             message=f"Unknown Decisions provider '{custom_llm_provider}'. Supported providers: {supported}",
             model=model,

litellm/proxy/guardrails/guardrail_endpoints.py

@@ -1396,7 +1396,7 @@ async def get_guardrail_ui_settings():
     - PII entity categories for UI organization
     - Content filter settings (patterns and categories)
     """
-    from litellm.decisions.main import supported_decisions_providers
+    from litellm.decisions.call import supported_decisions_providers
     from litellm.proxy.guardrails.guardrail_hooks.litellm_content_filter.patterns import (
         PATTERN_CATEGORIES,
         get_available_content_categories,

tests/test_litellm/proxy/guardrails/guardrail_hooks/test_decision_model.py

@@ -414,7 +414,7 @@ def test_initialize_rejects_invalid_streaming_scan_settings(mock_mgr, overrides,
 def test_add_guardrail_settings_returns_decisions_providers():
     import asyncio
 
-    from litellm.decisions.main import supported_decisions_providers
+    from litellm.decisions.call import supported_decisions_providers
     from litellm.proxy.guardrails.guardrail_endpoints import get_guardrail_ui_settings
 
     settings: Final = asyncio.run(get_guardrail_ui_settings())