Move provider_endpoints_support.json into litellm package

The file was at the repo root and excluded from pip distributions. Moving it to litellm/proxy/public_endpoints/ alongside the other provider JSON files ensures it is packaged correctly. Updates all references in the endpoint handler, coverage tests, and release notes instructions.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

cookbook/misc/RELEASE_NOTES_GENERATION_INSTRUCTIONS.md

@@ -404,7 +404,7 @@ This release has a known issue...
   - **New Providers** - Provider name, supported endpoints, description
   - **New LLM API Endpoints** (optional) - Endpoint, method, description, documentation link
 - Only include major new provider integrations, not minor provider updates
-- **IMPORTANT**: When adding new providers, also update `provider_endpoints_support.json` in the repository root (see Section 13)
+- **IMPORTANT**: When adding new providers, also update `provider_endpoints_support.json` (see Section 13)
 
 ### 12. Section Header Counts
 
@@ -442,7 +442,7 @@ This release has a known issue...
 
 ### 13. Update provider_endpoints_support.json
 
-**When adding new providers or endpoints, you MUST also update `provider_endpoints_support.json` in the repository root.**
+**When adding new providers or endpoints, you MUST also update `litellm/proxy/public_endpoints/provider_endpoints_support.json`.**
 
 This file tracks which endpoints are supported by each LiteLLM provider and is used to generate documentation.
 

litellm/proxy/public_endpoints/public_endpoints.py

@@ -248,9 +248,9 @@ async def get_provider_supported_endpoints() -> SupportedEndpointsResponse:
         return _supported_endpoints_cache
 
     provider_endpoints_support_path = os.path.join(
-        os.path.dirname(
-            os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
-        ),
+        os.path.dirname(os.path.dirname(os.path.dirname(__file__))),
+        "proxy",
+        "public_endpoints",
         "provider_endpoints_support.json",
     )
 

tests/code_coverage_tests/check_endpoint_coverage.py

@@ -99,7 +99,7 @@ def extract_endpoints_from_sidebars() -> Dict[str, str]:
 def load_provider_endpoints_file() -> Dict:
     """Load the provider_endpoints_support.json file."""
     repo_root = get_repo_root()
-    file_path = repo_root / "provider_endpoints_support.json"
+    file_path = repo_root / "litellm" / "proxy" / "public_endpoints" / "provider_endpoints_support.json"
 
     if not file_path.exists():
         print(

tests/code_coverage_tests/check_provider_folders_documented.py

@@ -65,7 +65,7 @@ def get_llm_provider_folders() -> Set[str]:
 def load_provider_endpoints_file() -> Dict:
     """Load the provider_endpoints_support.json file."""
     repo_root = get_repo_root()
-    file_path = repo_root / "provider_endpoints_support.json"
+    file_path = repo_root / "litellm" / "proxy" / "public_endpoints" / "provider_endpoints_support.json"
 
     if not file_path.exists():
         print(