Fix: Remove duplicate json argument and propagate timeout correctly

src/nacc_orchestrator/blaxel_backend.py

@@ -92,15 +92,16 @@ class BlaxelBackend:
         
         # Build request based on endpoint type
         if self.endpoint_type == "openai":
-            return self._complete_openai(prompt, context, headers)
+            return self._complete_openai(prompt, context, headers, timeout=timeout)
         else:
-            return self._complete_gemini(prompt, context, headers)
+            return self._complete_gemini(prompt, context, headers, timeout=timeout)
     
     def _complete_openai(
         self,
         prompt: str,
         context: dict[str, Any] | None,
-        headers: dict[str, str]
+        headers: dict[str, str],
+        timeout: float | None = None
     ) -> str:
         """Complete using OpenAI-compatible API."""
         # Build messages
@@ -150,7 +151,8 @@ class BlaxelBackend:
         self,
         prompt: str,
         context: dict[str, Any] | None,
-        headers: dict[str, str]
+        headers: dict[str, str],
+        timeout: float | None = None
     ) -> str:
         """Complete using Gemini API format."""
         # Build prompt with context