a89db179cd
- Add gear button in header to open account settings modal - Modal covers Organization, Bank, Account, Logo upload, and Printer Offset fields - PUT /api/account/:id backend endpoint with full field validation - Logo file reader with inline preview; only updates logo if a new file is chosen - CSS for btn-header-icon, settings-section-label, logo-preview, form-row-4 - Add GnuMICR.otf (tracked alongside existing GnuMICR.ttf)