- BannerPreview: 6 real formats (SM2/MD1/MD2/MD3/LG1/LG2) all 312px wide;
white-pill CTA with theme-colour text (was inverted); navy bg #000063 per
Barclays spec; link-style CTA for SM2/MD2/MD3; centred icon for LG1;
photo layouts: photo-left (SM2/MD2), photo-right (MD3), photo-top (LG2)
- Custom size: POST /api/banner-sets/:id/custom-size creates Custom variants
from each pair's LG copy at user-specified px dimensions; BannerEditor has
+Custom size form with W×H inputs
- Format limits updated in copy_generation.py (SM2 no body, MD 32/64, LG 64/128)
- tasks.py _persist_banner_set generates all 6 standard formats per copy set
- Migration 0006 adds custom_width/custom_height columns to banner_variants
- VariantsGrid/ChatBrief canProceed uses SMALL/LARGE format sets (not "Medium"/"Large")
- tsc --noEmit clean
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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