Build [v1.11.0]

- Phase 1: 7 hooks extracted (useScanner, useStockAdjustment, useSync, etc.)
- Phase 2: 7 components extracted (CameraView, InventoryTable, FilterBar, LogsTable, etc.)
- Phase 3: Backend cleanup (schemas.py split, admin/config.py split)
- Fixes: Login endpoint routing, admin API paths corrected
- Validation: 332/332 tests passing (291 frontend + 41 backend)
- Zero regressions, full backward compatibility

frontend/VERSION.json

@@ -1,6 +1,6 @@
 {
-  "version": "1.10.16",
-  "last_build": "2026-04-18-1620",
+  "version": "1.11.0",
+  "last_build": "2026-04-19-1731",
   "codename": "AuditFixed",
-  "commit": "78cb350b"
+  "commit": "0563284e"
 }