Add POST /pixiv/auth/set_token endpoint for direct refresh_token auth. Redesign login page with two tabs: recommended gppt token flow and fallback OAuth flow with pixiv:// URL validation. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Add POST /pixiv/auth/set_token endpoint for direct refresh_token auth. Redesign login page with two tabs: recommended gppt token flow and fallback OAuth flow with pixiv:// URL validation. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>