The previous fix changed code defaults to dark but the DB still had
theme='light' stored explicitly — a truthy value that bypassed all
fallbacks. On every restart the server was returning theme:'light',
which the client applied via data-theme="light", making the app white.
- Delete the 'theme' key from DB on startup (one-time migration)
- Always return theme:'dark' from buildSettingsFromDb (not from DB)
- Stop writing theme to DB/env/process.env on settings save
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
nmemmertandClaude Sonnet 4.6
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