feat: Implement frontend for business owners' support ticket system

frontend/src/types.ts

@@ -179,13 +179,40 @@ export interface Metric {
 
 // --- Platform Types ---
 
+export type TicketType = 'PLATFORM' | 'CUSTOMER' | 'STAFF_REQUEST';
+export type TicketStatus = 'OPEN' | 'IN_PROGRESS' | 'RESOLVED' | 'CLOSED';
+export type TicketPriority = 'LOW' | 'MEDIUM' | 'HIGH' | 'URGENT';
+
+export interface TicketComment {
+  id: string;
+  ticket: string; // Ticket ID
+  author: string; // User ID
+  authorEmail: string;
+  authorFullName: string;
+  commentText: string;
+  createdAt: string; // Date string
+  isInternal: boolean;
+}
+
 export interface Ticket {
   id: string;
+  tenant?: string; // Tenant ID, optional for platform tickets
+  creator: string; // User ID
+  creatorEmail: string;
+  creatorFullName: string;
+  assignee?: string; // User ID, optional
+  assigneeEmail?: string;
+  assigneeFullName?: string;
+  ticketType: TicketType;
+  status: TicketStatus;
+  priority: TicketPriority;
   subject: string;
-  businessName: string;
-  priority: 'Low' | 'Medium' | 'High' | 'Critical';
-  status: 'Open' | 'In Progress' | 'Resolved';
-  createdAt: Date;
+  description: string;
+  category?: string;
+  createdAt: string; // Date string
+  updatedAt: string; // Date string
+  resolvedAt?: string; // Date string
+  comments?: TicketComment[]; // Nested comments
 }
 
 export interface PlatformMetric {