[Auto Exception] KeyError: 'fielder'

[Manishrdy]

Automated issue created from exception logger.

• Type: KeyError
• Message: 'fielder'
• Severity: error
• Source: backend
• User: <email>
• Request ID: n/a
• Timestamp (UTC): 2026-09-22 17:10:03.781841

Context

{
  "path": "/socket.io/",
  "method": "GET",
  "endpoint": null,
  "remote_addr": "<ip>"
}

Traceback

Traceback (most recent call last):
  File "/home/ubuntu/SimCricketX/app.py", line 2722, in _ws_next_ball
    # super-over snapshot, and never persisted one — so a
  File "/home/ubuntu/SimCricketX/routes/match_routes.py", line 1490, in _advance_one_ball
    and the claim's owner is already implied by the fixture's tournament.
  File "/home/ubuntu/SimCricketX/services/match_delivery.py", line 33, in advance
    payload, error = advance()
  File "/home/ubuntu/SimCricketX/routes/match_routes.py", line 1491, in <lambda>
    """
  File "/home/ubuntu/SimCricketX/routes/match_routes.py", line 1520, in _advance_one_ball_unlocked
    return
  File "/home/ubuntu/SimCricketX/engine/match.py", line 7241, in next_ball
    # handles physical settling-in; form captures hot/cold streaks.
  File "/home/ubuntu/SimCricketX/engine/commentary_engine.py", line 67, in get_commentary
    micro_text = self._select_template(event_key, ball_context)
  File "/home/ubuntu/SimCricketX/engine/commentary_engine.py", line 200, in _select_template
    if pool:
KeyError: 'fielder'