Rename tenantFirstName to tenantName with updated validation

- Renamed tenantFirstName to tenantName in BillingLocation interface
- Updated LocationEditForm field to accept full name (first and last)
- Set maximum length to 30 characters for tenant name field
- Updated all database operations to use tenantName
- Changed English label from "Tenant First Name" to "Tenant First and Last Name"
- Updated Croatian translations to match (Ime i prezime podstanara)
- Updated form validation schema and error messages
- Removed old tenantLastName-related translations

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

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

app/lib/actions/locationActions.ts

@@ -15,7 +15,7 @@ export type State = {
     errors?: {
         locationName?: string[];
         generateTenantCode?: string[];
-        tenantFirstName?: string[];
+        tenantName?: string[];
         tenantStreet?: string[];
         tenantTown?: string[];
         autoBillFwd?: string[];
@@ -36,7 +36,7 @@ const FormSchema = (t:IntlTemplateFn) => z.object({
     _id: z.string(),
     locationName: z.coerce.string().min(1, t("location-name-required")),
     generateTenantCode: z.boolean().optional().nullable(),
-    tenantFirstName: z.string().optional().nullable(),
+    tenantName: z.string().max(30).optional().nullable(),
     tenantStreet: z.string().max(27).optional().nullable(),
     tenantTown: z.string().max(27).optional().nullable(),
     autoBillFwd: z.boolean().optional().nullable(),
@@ -53,12 +53,12 @@ const FormSchema = (t:IntlTemplateFn) => z.object({
   // Add conditional validation: if generateTenantCode is true, tenant fields are required
   .refine((data) => {
     if (data.generateTenantCode) {
-      return !!data.tenantFirstName && data.tenantFirstName.trim().length > 0;
+      return !!data.tenantName && data.tenantName.trim().length > 0;
     }
     return true;
   }, {
-    message: t("tenant-first-name-required"),
-    path: ["tenantFirstName"],
+    message: t("tenant-name-required"),
+    path: ["tenantName"],
   })
   .refine((data) => {
     if (data.generateTenantCode) {
@@ -113,7 +113,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
     const validatedFields = FormSchema(t).safeParse({
         locationName: formData.get('locationName'),
         generateTenantCode: formData.get('generateTenantCode') === 'on',
-        tenantFirstName: formData.get('tenantFirstName') || null,
+        tenantName: formData.get('tenantName') || null,
         tenantStreet: formData.get('tenantStreet') || null,
         tenantTown: formData.get('tenantTown') || null,
         autoBillFwd: formData.get('autoBillFwd') === 'on',
@@ -137,7 +137,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
     const {
         locationName,
         generateTenantCode,
-        tenantFirstName,
+        tenantName,
         tenantStreet,
         tenantTown,
         autoBillFwd,
@@ -179,7 +179,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
                     $set: {
                         name: locationName,
                         generateTenantCode: generateTenantCode || false,
-                        tenantFirstName: tenantFirstName || null,
+                        tenantName: tenantName || null,
                         tenantStreet: tenantStreet || null,
                         tenantTown: tenantTown || null,
                         autoBillFwd: autoBillFwd || false,
@@ -209,7 +209,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
                     $set: {
                         name: locationName,
                         generateTenantCode: generateTenantCode || false,
-                        tenantFirstName: tenantFirstName || null,
+                        tenantName: tenantName || null,
                         tenantStreet: tenantStreet || null,
                         tenantTown: tenantTown || null,
                         autoBillFwd: autoBillFwd || false,
@@ -232,7 +232,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
                     $set: {
                         name: locationName,
                         generateTenantCode: generateTenantCode || false,
-                        tenantFirstName: tenantFirstName || null,
+                        tenantName: tenantName || null,
                         tenantStreet: tenantStreet || null,
                         tenantTown: tenantTown || null,
                         autoBillFwd: autoBillFwd || false,
@@ -254,7 +254,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
             name: locationName,
             notes: null,
             generateTenantCode: generateTenantCode || false,
-            tenantFirstName: tenantFirstName || null,
+            tenantName: tenantName || null,
             tenantStreet: tenantStreet || null,
             tenantTown: tenantTown || null,
             autoBillFwd: autoBillFwd || false,
@@ -328,7 +328,7 @@ export const updateOrAddLocation = withUser(async (user:AuthenticatedUser, locat
                         name: locationName,
                         notes: null,
                         generateTenantCode: generateTenantCode || false,
-                        tenantFirstName: tenantFirstName || null,
+                        tenantName: tenantName || null,
                         tenantStreet: tenantStreet || null,
                         tenantTown: tenantTown || null,
                         autoBillFwd: autoBillFwd || false,

app/lib/db-types.ts

@@ -51,8 +51,8 @@ export interface BillingLocation {
     notes: string|null;
     /** (optional) whether to generate 2D code for tenant */
     generateTenantCode?: boolean | null;
-    /** (optional) tenant first name */
-    tenantFirstName?: string | null;
+    /** (optional) tenant name */
+    tenantName?: string | null;
     /** (optional) tenant street */
     tenantStreet?: string | null;
     /** (optional) tenant town */