feat(workflow): add default User-Agent and redirect following for HTTP request node, add config example

api/app/core/workflow/nodes/http_request/config.py

@@ -188,6 +188,50 @@ class HttpRequestNodeConfig(BaseNodeConfig):
         description="Configuration for handling HTTP request errors",
     )
 
+    class Config:
+        json_schema_extra = {
+            "examples": [
+                {
+                    "method": "GET",
+                    "url": "{{sys.message}}",
+                    "auth": {
+                        "auth_type": "none",
+                        "header": "",
+                        "api_key": ""
+                    },
+                    "headers": {
+                        # "Content-Type": "application/json",
+                        # "User-Agent": "Workflow-HttpNode/1.0"
+                    },
+                    "params": {},
+                    "body": {
+                        "content_type": "none",
+                        "data": ""
+                    },
+                    "verify_ssl": True,
+                    "timeouts": {
+                        "connect_timeout": 5,
+                        "read_timeout": 30,
+                        "write_timeout": 10
+                    },
+                    "retry": {
+                        "max_attempts": 3,
+                        "retry_interval": 500
+                    },
+                    "error_handle": {
+                        "method": "default",
+                        "default": {
+                            "body": "Upstream service unavailable",
+                            "status_code": 502,
+                            "headers": {
+                                "Content-Type": "text/plain"
+                            }
+                        }
+                    }
+                }
+            ]
+        }
+
 
 class HttpRequestNodeOutput(BaseModel):
     body: str = Field(

api/app/core/workflow/nodes/http_request/node.py

@@ -13,6 +13,9 @@ from app.core.workflow.nodes.http_request.config import HttpRequestNodeConfig, H
 
 logger = logging.getLogger(__file__)
 
+DEFAULT_USER_AGENT = ("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
+                      "(KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36")
+
 
 class HttpRequestNode(BaseNode):
     """
@@ -88,7 +91,9 @@ class HttpRequestNode(BaseNode):
 
         Both header keys and values support runtime template rendering.
         """
-        headers = {}
+        headers = {
+            "user-agent": DEFAULT_USER_AGENT
+        }
         for key, value in self.typed_config.headers.items():
             headers[self._render_template(key, state)] = self._render_template(value, state)
         return headers
@@ -204,6 +209,7 @@ class HttpRequestNode(BaseNode):
                 timeout=self._build_timeout(),
                 headers=self._build_header(state) | self._build_auth(state),
                 params=self._build_params(state),
+                follow_redirects=True
         ) as client:
             retries = self.typed_config.retry.max_attempts
             while retries > 0: