Allow testing webhook response in setup flow (#3768)

skyvern/schemas/webhooks.py

@@ -0,0 +1,17 @@
+from typing import Literal
+
+from pydantic import BaseModel, Field
+
+
+class TestWebhookRequest(BaseModel):
+    webhook_url: str = Field(..., description="The webhook URL to test")
+    run_type: Literal["task", "workflow_run"] = Field(..., description="Type of run to simulate")
+    run_id: str | None = Field(None, description="Optional run ID to include in the sample payload")
+
+
+class TestWebhookResponse(BaseModel):
+    status_code: int | None = Field(None, description="HTTP status code from the webhook receiver")
+    latency_ms: int = Field(..., description="Round-trip time in milliseconds")
+    response_body: str = Field(..., description="First 2KB of the response body")
+    headers_sent: dict[str, str] = Field(..., description="Headers sent with the webhook request")
+    error: str | None = Field(None, description="Error message if the request failed")