feat: Add PWA support and consolidate CSS design system

- Add PWA manifest, icons (192x192, 512x512), and service worker
- Register service worker in index.html with Apple mobile web app support
- Consolidate CSS variables and design tokens documentation
- Update PrimeVue overrides for consistent theming
- Refactor data-entry components to use shared CSS patterns
- Add frontend-style-auditor agent for style consistency checks
- Minor OCR validation and job worker improvements
- Update start-prod.sh configuration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/modules/reports/views/ServerLogsView.vue

@@ -343,8 +343,8 @@ onUnmounted(() => {
 .logs-container {
   max-height: 600px;
   overflow-y: auto;
-  background: #ffffff;
-  border: 1px solid #e2e8f0;
+  background: var(--surface-card);
+  border: 1px solid var(--surface-border);
   border-radius: var(--radius-md);
   padding: var(--space-sm);
 }