--- a/seobeo/s_router.c	Thu Jan 01 16:34:51 2026 -0800
+++ b/seobeo/s_router.c	Fri Jan 02 17:47:10 2026 -0800
@@ -150,15 +150,25 @@
     content_type = ((Seobeo_Request_Entry*)p_content_type_kv)->value;
   }
 
+  // Check for custom content-length (for binary data)
+  size_t body_length = strlen(body);
+  void *p_content_length_kv = Dowa_HashMap_Get_Ptr(p_response_map, "content-length");
+  if (p_content_length_kv)
+  {
+    const char *content_length_str = ((Seobeo_Request_Entry*)p_content_length_kv)->value;
+    body_length = atoi(content_length_str);
+  }
+
   // All other types are default thoguht to be headers.
   char *header = Dowa_Arena_Allocate(p_arena, 4096);
-  Seobeo_Web_Header_Generate(header, status, content_type, strlen(body));
+  Seobeo_Web_Header_Generate(header, status, content_type, body_length);
   for (int i = 0; i < Dowa_Array_Length(p_response_map); i++)
   {
     if (
       strstr(p_response_map[i].key, "status") ||
       strstr(p_response_map[i].key, "body") ||
-      strstr(p_response_map[i].key, "content-type")
+      strstr(p_response_map[i].key, "content-type") ||
+      strstr(p_response_map[i].key, "content-length")  // Skip custom content-length
     )
       continue;
 
@@ -170,7 +180,7 @@
   }
 
   Seobeo_Handle_Queue(p_handle, (uint8_t*)header, strlen(header));
-  Seobeo_Handle_Queue(p_handle, (uint8_t*)body, strlen(body));
+  Seobeo_Handle_Queue(p_handle, (uint8_t*)body, body_length);  // Use actual body length
   Seobeo_Handle_Flush(p_handle);
 }