Refactor duplicated display helpers

[ryokun6]

Summary

• Extract shared username initials formatting into the contacts utility.
• Extract shared dashboard city helpers, including popular city list, label formatting, and Nominatim search mapping.
• Extract shared Kugou image URL formatting and Redis JSON parsing helpers.
• Remove the unused getTheme export.
• Add focused Bun tests for extracted helper behavior.

Testing

• export PATH="/root/.bun/bin:$PATH" && bun test tests/test-contacts-vcard.test.ts tests/test-dashboard-city-search.test.ts tests/test-kugou-image-url.test.ts tests/test-parse-json-utils.test.ts
• export PATH="/root/.bun/bin:$PATH" && bun run build

  

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Last updated at: 2026-04-25 10:56:10 CET