fix(admin): persist data directory and pass env vars

lib/admin/types.ts

@@ -0,0 +1,48 @@
+export type InquiryStatus = "new" | "in_progress" | "done";
+
+export type ContactInquiry = {
+  id: string;
+  createdAt: string;
+  status: InquiryStatus;
+  name: string;
+  email: string;
+  phone?: string;
+  subject?: string;
+  message: string;
+};
+
+export type RepairInquiry = {
+  id: string;
+  createdAt: string;
+  status: InquiryStatus;
+  name: string;
+  email: string;
+  phone?: string;
+  manufacturer: string;
+  model: string;
+  serialNumber?: string;
+  deviceType: string;
+  accessories?: string;
+  opened?: string;
+  previousWork?: string;
+  description: string;
+};
+
+export type SiteSettings = {
+  companyName: string;
+  phone: string;
+  email: string;
+  address: string;
+  openingHours: string;
+  googleMapsEmbedUrl: string;
+  socialLinks: string;
+};
+
+export type SmtpSettings = {
+  host: string;
+  port: string;
+  username: string;
+  fromAddress: string;
+  replyToAddress: string;
+  tls: boolean;
+};