Add improvements 2

gateway/app/routes/geocoding.py

@@ -5,6 +5,7 @@ from fastapi.responses import JSONResponse
 import httpx
 import structlog
 from app.core.config import settings
+from app.core.header_manager import header_manager
 
 logger = structlog.get_logger()
 router = APIRouter()
@@ -26,12 +27,8 @@ async def proxy_geocoding(request: Request, path: str):
         if request.method in ["POST", "PUT", "PATCH"]:
             body = await request.body()
 
-        # Forward headers (excluding host)
-        headers = {
-            key: value
-            for key, value in request.headers.items()
-            if key.lower() not in ["host", "content-length"]
-        }
+        # Use unified HeaderManager for consistent header forwarding
+        headers = header_manager.get_all_headers_for_proxy(request)
 
         # Make the proxied request
         async with httpx.AsyncClient(timeout=30.0) as client: