fix: increase default timeout

Author: ionut-mihalache-uipath

README.md

@@ -784,9 +784,9 @@ The logger will record:
 
 All requests automatically include the following default headers:
 
-| Header | Value | Description |
-|--------|-------|-------------|
-| `X-UiPath-LLMGateway-TimeoutSeconds` | `295` | Server-side timeout for LLM Gateway |
+| Header | Value  | Description |
+|--------|--------|-------------|
+| `X-UiPath-LLMGateway-TimeoutSeconds` | `895`  | Server-side timeout for LLM Gateway |
 | `X-UiPath-LLMGateway-AllowFull4xxResponse` | `true` | Returns full error response bodies for 4xx errors |
 
 ### Authentication Auto-Refresh

src/uipath/llm_client/utils/headers.py

@@ -7,7 +7,7 @@
 from uipath.llm_client.settings.constants import ApiType, RoutingMode
 
 UIPATH_DEFAULT_REQUEST_HEADERS: dict[str, str] = {
-    "X-UiPath-LLMGateway-TimeoutSeconds": "295",  # server side timeout, default is 10, maximum is 300
+    "X-UiPath-LLMGateway-TimeoutSeconds": "895",  # server side timeout
     "X-UiPath-LLMGateway-AllowFull4xxResponse": "false",  # allow full 4xx responses (default is false) — kept false to avoid PII leakage in logs
 }
 

tests/langchain/features/test_default_headers_merge.py

@@ -35,7 +35,7 @@ def test_no_user_headers_preserves_class_defaults(self):
         with patch.dict(os.environ, LLMGW_ENV, clear=True):
             chat = UiPathChat(model="gpt-4o", settings=LLMGatewaySettings())
             headers = chat.uipath_sync_client.headers
-        assert headers.get("x-uipath-llmgateway-timeoutseconds") == "295"
+        assert headers.get("x-uipath-llmgateway-timeoutseconds") == "895"
         assert headers.get("x-uipath-llmgateway-allowfull4xxresponse") == "false"
 
     def test_user_headers_do_not_remove_class_defaults(self):
@@ -46,7 +46,7 @@ def test_user_headers_do_not_remove_class_defaults(self):
                 default_headers={"x-my-custom": "value"},
             )
             headers = chat.uipath_sync_client.headers
-        assert headers.get("x-uipath-llmgateway-timeoutseconds") == "295"
+        assert headers.get("x-uipath-llmgateway-timeoutseconds") == "895"
         assert headers.get("x-uipath-llmgateway-allowfull4xxresponse") == "false"
         assert headers.get("x-my-custom") == "value"
 
@@ -69,6 +69,6 @@ def test_async_client_also_merges(self):
                 default_headers={"x-my-custom": "async-value"},
             )
             headers = chat.uipath_async_client.headers
-        assert headers.get("x-uipath-llmgateway-timeoutseconds") == "295"
+        assert headers.get("x-uipath-llmgateway-timeoutseconds") == "895"
         assert headers.get("x-uipath-llmgateway-allowfull4xxresponse") == "false"
         assert headers.get("x-my-custom") == "async-value"