fix(pipeline): pass issue description to analyst task file

start_pipeline built the analyst .task.md with only the Title, so the analyst received a ~101-byte file and reported the business request as empty even though the description was already fetched. Append the resolved description to task_desc.

src/webhooks/plane.py

@@ -509,7 +509,10 @@ async def start_pipeline(data: dict, project_id: str = ""):
         task_row = get_db().execute("SELECT id FROM tasks WHERE work_item_id=?", (work_item_id,)).fetchone()
         if task_row:
             task_id = task_row[0]
-            task_desc = f"Work item: {work_item_id}\nRepo: {repo}\nBranch: {branch}\nStage: analysis\nTitle: {name}"
+            task_desc = (
+                f"Work item: {work_item_id}\nRepo: {repo}\nBranch: {branch}\n"
+                f"Stage: analysis\nTitle: {name}\n\nDescription:\n{description}"
+            )
             job_id = enqueue_job("analyst", repo, task_desc, task_id=task_id)
             logger.info(f"Task {task_id}: enqueued analyst (job_id={job_id})")
             # Post start comment to Plane