<instructions>
Audit this code for error-handling gaps ONLY. Find every instance of:
- Swallowed exceptions (caught and ignored, or logged without recovery/rethrow)
- Unchecked error returns and ignored promise rejections
- Operations that can fail (I/O, network, parsing, auth) with no error path at all
- Error messages that would not help someone debug at 3am (no context, no identifiers)
For each: location, category from the list above, one-line consequence in production, and the minimal correction. Finish with an error-handling score 1-10 and the single highest-impact improvement.
</instructions>
<code>
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