feat(web): complete product workflow implementation

my-tools/run_web_product_migration.py

@@ -187,6 +187,16 @@ def write_status(backlog: dict, status: str, **extra: object) -> None:
 def prompt(task: dict) -> str:
     backlog = read_json(BACKLOG)
     queue_task = str(backlog.get("queueTask", "WBV2-P1420-001"))
+    attempt = int(task.get("attempts", 1))
+    retry_rules = ""
+    if attempt > 1:
+        retry_rules = f"""
+Retry continuation (attempt {attempt}):
+- A previous attempt may already have changed owned files. Treat those edits as the starting point; do not recreate or discard them.
+- After the mandatory queue/print/check commands, use at most 2 additional read/search commands.
+- Inspect only the exact unfinished edited regions, fix the remaining integration issue, and write the result JSON immediately.
+- Do not repeat broad discovery, reread unchanged context, or polish unrelated code.
+"""
     return f"""Implement exactly one Web Blender product workflow task in {ROOT}.
 
 Task: {task['id']} - {task['title']}
@@ -208,6 +218,7 @@ Rules:
 - Do not commit or push. The outer unattended scheduler owns rotation and repository handoff.
 - Finish the implementation in this turn. Do not stop at a plan.
 - At the end write {task['resultPath']} as JSON with schemaVersion=1, task={task['id']!r}, status='implemented', changedFiles, and a concise summary.
+{retry_rules}
 """