Fix bulk ZIP download: client-side ZIP via JSZip, bypass backend proxy

Add individual image download buttons to Generate and Gallery steps

Remove Recent Chats section from sidebar

Harden styled_product prompt, concurrent regen, collapsible sidebar, cleanup nav

ZIP download with per-product folders + gallery regeneration

Overhaul bulk generator: bottle lock, notes ref, avatar replace, per-image regen

9-shot pipeline: notes infographic, avatar, 3 fixed variants

Rewrite bulk generator: independent shots, proper Pinterest injection, short prompts

Fix Pinterest ref injection: correct image order + first/second image pattern

Fix prompts: shorten to ~650 chars matching working image_generator pattern

Rewrite prompts to replace-model style + keep detailed as backup

Add bulk select/deselect in CSV table with bulk actions

Redesign bulk generator: 8 chained shots + per-product Pinterest refs

Normalize CSV column names: accept any casing/spacing

Fix DialogTitle accessibility warnings + push pending frontend changes