Refactor code structure for improved readability and maintainability

public/industries/ASSET-SOURCES.md

@@ -68,6 +68,9 @@ Used by the Industries grid (`IndustryUseCases` component) and the home-page Ind
 | `cards/education.jpg` | YS Lootah library | internal |
 | `cards/security-surveillance.jpg` | YS Lootah library | internal |
 | `cards/warehouses-logistics.webp` | YS Lootah library | internal |
+| `cards/events.webp` | YS Lootah library | internal |
+| `cards/smart-buildings.webp` | YS Lootah library | internal |
+| `cards/government.jpg` | YS Lootah library | internal |
 
 ## Industry page heroes (`/industries/pages/`)
 
@@ -86,6 +89,15 @@ Used by the `[slug]` detail page hero. May reuse internal library or brand refer
 
 ---
 
+## Known production-hotlink issues (outside `/industries/`)
+
+These files still hotlink directly to brand CDNs and should be migrated to local copies before public launch:
+
+- `src/data/robots.ts` — multiple `unitree.com/images/...` and `oss-global-cdn.unitree.com/...` references
+- `src/data/accessories.ts` — multiple `unitree.com/images/...` references
+
+Track separately from this folder's asset list.
+
 ## TODO before public launch
 
 1. Replace every `needs-approval` asset with either:
@@ -93,4 +105,5 @@ Used by the `[slug]` detail page hero. May reuse internal library or brand refer
    - Original YS Lootah photography / commissioned renders.
 2. Convert remaining `.jpg` / `.png` heroes to `.webp` once final assets are locked.
 3. Audit alt text for accuracy after any image swap.
-4. Keep this file in sync with `src/data/industries.ts` and `src/data/industry-pages.ts`.
+4. Migrate the brand-CDN hotlinks listed above to local files.
+5. Keep this file in sync with `src/data/industries.ts` and `src/data/industry-pages.ts`.