- Ensure fallback categories & symptoms are populated immediately in state so menuItems is never empty
- Attach mega menu popup panel directly to the sub-navbar button for 800px-1224px screen range
- Below 800px: Hamburger drawer menu is used
- Between 800px and 1224px: Clean horizontal sub-navbar appears below main header row (no hamburger icon)
- Above 1224px (xl): Main navigation items return inline inside main header container centered perfectly
- Show 2-row layout below 470px width, and automatically switch to single-row layout for viewports 470px and wider
- Shift desktop navigation menu items display breakpoint from 1024px (lg) to 1280px (xl / ~1224px) to prevent action button overflow on medium laptop screens
- Place logo & brand title on row 1 and action buttons (search, login, cart) on row 2 for 100% width mobile clearance
- Remove duplicate inline back-to-top text link in footer and adjust floating button z-index & bottom offset
- Add whitespace-nowrap to footer links (درباره ما، تماس با ما، حریم خصوصی) to prevent line breaks
- Fix Header mobile logo/button overflow on 320px-375px screens by making logo text truncate gracefully & action buttons compact
- Make 3 hero stat boxes stay side-by-side in a 3-column grid with centered icons/text on mobile screens
- Adjust 'کیفیت / استانداردهای فوقدارویی' label position so it stays contained within the image boundaries without overflowing the screen
- Add interactive Back to Top button (both floating and footer button) for quick navigation
- Fix seed-products.ts TS error (implicit any) and BOM handling
- Re-run full seed to restore correct Persian encoding in DB
- Fix productService query→search param mismatch
- Fix IngredientWiki hardcoded port 4000→use settingsStore
- Restore seed-products-data.json from git after accidental corruption
