Enabling Remote First now shows an inline warning explaining that it
bypasses the local cache and queries the server on every keystroke.
User must confirm before it activates; Cancel leaves the checkbox off.
Disabling still takes effect immediately. Label and checkbox also get
title tooltips. Active state gets a warning tonal highlight.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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