Fix TUI mypy failure from _auto_refresh override collision

[Copilot]

Summary

CI type-check failed because OpenDropTUI._auto_refresh accidentally collided with DOMNode._auto_refresh and introduced an incompatible async override signature. This change removes the override conflict without changing refresh behavior.

• Type-check remediation

  • Renamed OpenDropTUI private coroutine _auto_refresh → _refresh_models_table
  • Updated internal call sites in action_refresh and set_interval(...)

• Behavioral impact

  • No intended runtime behavior change; manual and interval-driven model table refresh continue to run through the same logic

• Illustrative diff

# before
self.set_interval(self.REFRESH_INTERVAL, self._auto_refresh)
async def _auto_refresh(self) -> None: ...

# after
self.set_interval(self.REFRESH_INTERVAL, self._refresh_models_table)
async def _refresh_models_table(self) -> None: ...

Beta readiness checklist

• Lint and format checks pass
• Tests pass
• Type checks pass
• Packaging build passes
• Security impact assessed
• Docs updated (if behavior changed)

Risk and rollback

Risk is low: scope is limited to a private method rename and its local call sites in TUI refresh wiring.
Rollback is straightforward: revert this commit to restore the previous method name/calls.

[Copilot]

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