feat: frontend unlimited — raise all client-side caps and timeouts

- XHR timeouts: doubled across all tool categories (120s/300s/600s)
- Pipeline timeout: 180s → 600s
- Favicon/PDF/barcode timeouts raised to 300s
- Files page: fetch 200 per page
- Split grid: 20 → 100 max columns/rows
- Image viewer zoom: 25-300% → 10-1000%
- Collage zoom: 3x → 10x, pan: ±100 → ±200
- Passport photo: face adjust ±15% → ±30%, zoom 3x → 5x

apps/web/src/hooks/use-pipeline-processor.ts

@@ -86,8 +86,8 @@ export function usePipelineProcessor() {
       const xhr = new XMLHttpRequest();
       xhrRef.current = xhr;
 
-      // Pipeline runs multiple steps sequentially, allow up to 3 minutes
-      xhr.timeout = 180_000;
+      // Pipeline runs multiple steps sequentially, allow up to 10 minutes
+      xhr.timeout = 600_000;
 
       // Pipeline is always "medium" speed: upload = 0-40%, processing = 40-95%
       const UPLOAD_WEIGHT = 40;