Add run lifecycle timestamps - improvments (#2601)

Co-authored-by: Shuchang Zheng <wintonzheng0325@gmail.com>

skyvern/forge/sdk/schemas/tasks.py

@@ -239,6 +239,9 @@ class Task(TaskBase):
     max_steps_per_run: int | None = None
     errors: list[dict[str, Any]] = []
     model: dict[str, Any] | None = None
+    queued_at: datetime | None = None
+    started_at: datetime | None = None
+    finished_at: datetime | None = None
 
     @property
     def llm_key(self) -> str | None:
@@ -297,6 +300,9 @@ class Task(TaskBase):
             status=self.status,
             created_at=self.created_at,
             modified_at=self.modified_at,
+            queued_at=self.queued_at,
+            started_at=self.started_at,
+            finished_at=self.finished_at,
             extracted_information=self.extracted_information,
             failure_reason=failure_reason or self.failure_reason,
             action_screenshot_urls=action_screenshot_urls,
@@ -328,6 +334,9 @@ class TaskResponse(BaseModel):
     errors: list[dict[str, Any]] = []
     max_steps_per_run: int | None = None
     workflow_run_id: str | None = None
+    queued_at: datetime | None = None
+    started_at: datetime | None = None
+    finished_at: datetime | None = None
 
 
 class TaskOutput(BaseModel):