Fix Prisma JSON type error in settings-to-footer sync.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/content/content.service.ts

@@ -1,4 +1,5 @@
 import { Injectable, NotFoundException } from "@nestjs/common";
+import { Prisma } from "@prisma/client";
 import { resolveTimezone } from "@montech/shared";
 import { PrismaService } from "../prisma/prisma.service";
 
@@ -36,21 +37,24 @@ export class ContentService {
       const prev = (footer.data || {}) as Record<string, unknown>;
       const addressLines = settings.address
         ? settings.address.split(/\n|,/).map((s) => s.trim()).filter(Boolean)
-        : (prev.address as string[]) || [];
-      const socials = Array.isArray(settings.socials)
+        : Array.isArray(prev.address)
+          ? (prev.address as string[])
+          : [];
+      const socials: string[] = Array.isArray(settings.socials)
         ? (settings.socials as Array<{ label: string; url: string }>).map((s) => s.label).filter(Boolean)
-        : prev.socials;
+        : Array.isArray(prev.socials)
+          ? (prev.socials as string[])
+          : [];
+      const nextData: Prisma.InputJsonValue = {
+        ...prev,
+        email: settings.email,
+        phone: settings.phone,
+        address: addressLines,
+        socials,
+      };
       await this.prisma.sectionContent.update({
         where: { key: "footer" },
-        data: {
-          data: {
-            ...prev,
-            email: settings.email,
-            phone: settings.phone,
-            address: addressLines,
-            socials,
-          },
-        },
+        data: { data: nextData },
       });
     }