chore: mv router_registry.py to fastapi_router_registry.py

For clarity

Signed-off-by: Sébastien Han <seb@redhat.com>

src/llama_stack/core/inspect.py

@@ -10,7 +10,7 @@ from pydantic import BaseModel
 
 from llama_stack.core.datatypes import StackRunConfig
 from llama_stack.core.external import load_external_apis
-from llama_stack.core.server.router_registry import build_router, has_router
+from llama_stack.core.server.fastapi_router_registry import build_router, has_router
 from llama_stack.core.server.routes import get_all_api_routes
 from llama_stack_api import (
     Api,

src/llama_stack/core/server/routes.py

@@ -30,7 +30,7 @@ def get_all_api_routes(
 
     This function only returns routes from APIs that use the legacy @webmethod
     decorator system. For APIs that have been migrated to FastAPI routers,
-    use the router registry (router_registry.has_router() and router_registry.build_router()).
+    use the router registry (fastapi_router_registry.has_router() and fastapi_router_registry.build_router()).
 
     Args:
         external_apis: Optional dictionary of external API specifications

src/llama_stack/core/server/server.py

@@ -44,7 +44,7 @@ from llama_stack.core.request_headers import (
     request_provider_data_context,
     user_from_scope,
 )
-from llama_stack.core.server.router_registry import build_router
+from llama_stack.core.server.fastapi_router_registry import build_router
 from llama_stack.core.server.routes import get_all_api_routes
 from llama_stack.core.stack import (
     Stack,

src/llama_stack/core/server/tracing.py

@@ -6,7 +6,7 @@
 from aiohttp import hdrs
 
 from llama_stack.core.external import ExternalApiSpec
-from llama_stack.core.server.router_registry import has_router
+from llama_stack.core.server.fastapi_router_registry import has_router
 from llama_stack.core.server.routes import find_matching_route, initialize_route_impls
 from llama_stack.core.telemetry.tracing import end_trace, start_trace
 from llama_stack.log import get_logger