feat: Implement ticket commenting functionality

Adds the ability for users to comment on tickets, view comments, and distinguish between user and admin responses. Also introduces a new 'SUSPENDED' status for tickets and refactors database schema and API endpoints to support comments.

services/mockDb.ts

@@ -1,5 +1,5 @@
 
-import { Family, Payment, AppSettings, User, AlertDefinition, Condo, Notice, NoticeRead, Ticket, TicketAttachment } from '../types';
+import { Family, Payment, AppSettings, User, AlertDefinition, Condo, Notice, NoticeRead, Ticket, TicketAttachment, TicketComment } from '../types';
 
 // --- CONFIGURATION TOGGLE ---
 const FORCE_LOCAL_DB = false; 
@@ -325,6 +325,17 @@ export const CondoService = {
       return request<TicketAttachment>(`/tickets/${ticketId}/attachments/${attachmentId}`);
   },
 
+  getTicketComments: async (ticketId: string): Promise<TicketComment[]> => {
+      return request<TicketComment[]>(`/tickets/${ticketId}/comments`);
+  },
+
+  addTicketComment: async (ticketId: string, text: string): Promise<void> => {
+      await request(`/tickets/${ticketId}/comments`, {
+          method: 'POST',
+          body: JSON.stringify({ text })
+      });
+  },
+
   // --- SEEDING ---
   seedPayments: () => {
     // No-op in remote mode