security: fix all Medium findings from FLAWS_REPORT audit

- Auth: TOTP replay protection with counter tracking, constant-time
  backup code comparison, atomic lockout increment, per-token logout
- Invoices/PDFs: net-based VAT calculation, dangerous URL scheme
  stripping in cleanQuillHtml, orders-pdf error handling
- Orders: reject item changes on status transition, cascading
  delete cleanup, take:1 with orderBy
- Projects: atomic rename collision handling, MIME/extension
  validation, empty customer name rejection
- Attendance: Czech public holiday awareness in frontend fund
  calculation, leave_hours 0 handling, invalid date NaN guard,
  bounded per-month queries in workfund
- Users/Admin: profile audit logging + password validation, session
  revocation guard, session ID validation, dashboard DB aggregation,
  soft-deleted record protection in scope templates
- Frontend: FormField label linkage, Pagination ARIA, error
  handling in OrderConfirmationModal, 401 propagation, GPS emoji
  hidden from screen readers, table sort state fix, geolocation
  race/abort cleanup, Leaflet popup DOM safety, Vehicles toggleActive
  minimal body, CompanySettings ref mutation fix, OfferDetail unlock
  abort, AttendanceBalances combined fetches
- Utils: env validation, Puppeteer concurrency mutex, invoice alert
  cron cleanup on shutdown, body limit alignment, TOTP error logging,
  trustProxy from env, symlink rejection, rate cache Map usage

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/routes/admin/scope-templates.ts

@@ -70,12 +70,12 @@ export default async function scopeTemplatesRoutes(
         };
 
         if (body.id) {
-          const existingItem = await prisma.item_templates.findUnique({
-            where: { id: Number(body.id) },
+          const existingItem = await prisma.item_templates.findFirst({
+            where: { id: Number(body.id), is_deleted: false },
           });
           if (!existingItem) return error(reply, "Šablona nenalezena", 404);
-          await prisma.item_templates.update({
-            where: { id: Number(body.id) },
+          await prisma.item_templates.updateMany({
+            where: { id: Number(body.id), is_deleted: false },
             data: { ...itemData, modified_at: new Date() },
           });
           return success(