feat(i18n): add VAT labels and email sent messages in German and English

style(admin): increase max-width of admin page and adjust table styles

fix(n8n): enhance workflow import and publishing process

fix(workflows): update SQL queries for fetching and updating sales orders

feat(migrations): normalize rental types and enhance email guard for individuell rentals

feat(migrations): add RPC for updating deposit in sales orders

fix(migrations): ensure individuell orders persist net/vat components and backfill existing records

test: update last run status to failed

frontend/i18n.js

@@ -223,6 +223,8 @@ export const translations = {
         adminVatLabelEn: "VAT (20%)",
         adminTotalLabel: "Gesamtbetrag",
         adminTotalLabelEn: "Total",
+        adminInclVat: "inkl. MwSt.",
+        adminInclVatEn: "incl. VAT",
         adminDepositLabel: "Kaution",
         adminDepositLabelEn: "Deposit",
         adminIncludedKmLabel: "Inkl. km",
@@ -240,7 +242,7 @@ export const translations = {
         rentalTypeWeekend: "Wochenende",
         rentalTypeIndividuell: "Individuell",
         adminSortOrder: "Ordnung",
-        adminEmailSent: "Email",
+        adminEmailSent: "E-Mail gesendet",
         sendEmailButton: "E-Mail senden",
         emailSentToast: "E-Mail wird erstellt und in Kürze gesendet...",
         emailAlreadySent: "Bereits gesendet",
@@ -470,6 +472,8 @@ export const translations = {
         adminVatLabelEn: "MwSt. (20%)",
         adminTotalLabel: "Total",
         adminTotalLabelEn: "Gesamtbetrag",
+        adminInclVat: "incl. VAT",
+        adminInclVatEn: "inkl. MwSt.",
         adminDepositLabel: "Deposit",
         adminDepositLabelEn: "Kaution",
         adminIncludedKmLabel: "Included km",
@@ -487,7 +491,7 @@ export const translations = {
         rentalTypeWeekend: "Weekend",
         rentalTypeIndividuell: "Custom",
         adminSortOrder: "Order",
-        adminEmailSent: "Email",
+        adminEmailSent: "Email sent",
         sendEmailButton: "Send Email",
         emailSentToast: "Email is being prepared and will be sent shortly...",
         emailAlreadySent: "Already sent",