- public/brand/logo.png: 117×115 transparent PNG (source)
- public/icons/icon-192.png, icon-512.png, icon-maskable-512.png: PWA icons derived from logo
- public/icons/favicon.png (64), favicon-32.png (32): favicon sizes
- icon-maskable-512: logo on #003D5B indigo background, 80% safe zone
- layout.tsx: header logo + mobile drawer logo both use the new image
- Sidebar.tsx: drawer header logo uses the new image
- metadata.icons updated to include favicon sizes
- <link rel='icon'> added for 32×32 and 64×64 favicons
