- Add ClaudeAPI as new sponsor (all 3 languages)
- Remove ChefShop sponsor entry (all 3 languages)
- Convert shengsuanyun logo from SVG to PNG
- Standardize partner logos to 1920x798 canvas
- Fix ClaudeAPI alt text typo and spacing
- Sync sponsor order across zh/en/ja READMEs
- Add PackyCode to sponsor section in README (both EN/ZH)
- Add PackyCode logo to assets/partners/logos/
- Mark PackyCode as partner in provider presets (Claude & Codex)
- Add promotion message to i18n files with 10% discount info