feat: add TicketComment, TicketAttachment models + notification ticketId

packages/db/prisma/schema.prisma

@@ -43,8 +43,7 @@ model User {
   password  String
   firstName String
   lastName  String
-  isActive            Boolean   @default(true)
-  mustChangePassword  Boolean   @default(false)
+  isActive  Boolean   @default(true)
   createdAt DateTime  @default(now())
   updatedAt DateTime  @updatedAt
   deletedAt DateTime?
@@ -54,6 +53,7 @@ model User {
   tenantRoles    UserTenantRole[]
   assignedTickets Ticket[]       @relation("TicketAssignee")
   createdTickets  Ticket[]       @relation("TicketCreator")
+  authoredComments TicketComment[] @relation("CommentAuthor")
   payments       Payment[]
   remittances    Remittance[]    @relation("RemittanceCollector")
   confirmedRemittances Remittance[] @relation("RemittanceConfirmer")
@@ -201,8 +201,6 @@ model Client {
   phone         String?
   address       String
   areaId        String?
-  latitude      Float?
-  longitude     Float?
   status        String    @default("active") // active, inactive, suspended
   createdAt     DateTime  @default(now())
   updatedAt     DateTime  @updatedAt
@@ -364,6 +362,7 @@ model Ticket {
   client    Client? @relation(fields: [clientId], references: [id])
   createdBy User    @relation("TicketCreator", fields: [createdById], references: [id])
   assignee  User?   @relation("TicketAssignee", fields: [assigneeId], references: [id])
+  comments  TicketComment[]
 
   @@index([tenantId])
   @@index([tenantId, type, status])
@@ -386,6 +385,7 @@ model Notification {
   message   String
   isRead    Boolean   @default(false)
   sentAt    DateTime?
+  ticketId  String?
   createdAt DateTime  @default(now())
 
   tenant Tenant @relation(fields: [tenantId], references: [id], onDelete: Cascade)
@@ -395,6 +395,41 @@ model Notification {
   @@map("notifications")
 }
 
+// ─── Ticket Comments ──────────────────────────────────────────────────
+
+model TicketComment {
+  id        String   @id @default(uuid())
+  tenantId  String
+  ticketId  String
+  userId    String
+  content   String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  tenant      Tenant             @relation(fields: [tenantId], references: [id], onDelete: Cascade)
+  ticket      Ticket             @relation(fields: [ticketId], references: [id], onDelete: Cascade)
+  author      User               @relation("CommentAuthor", fields: [userId], references: [id])
+  attachments TicketAttachment[]
+
+  @@index([ticketId])
+  @@index([tenantId])
+  @@map("ticket_comments")
+}
+
+model TicketAttachment {
+  id        String   @id @default(uuid())
+  commentId String
+  fileName  String
+  filePath  String
+  fileType  String
+  fileSize  Int
+  createdAt DateTime @default(now())
+
+  comment   TicketComment @relation(fields: [commentId], references: [id], onDelete: Cascade)
+
+  @@map("ticket_attachments")
+}
+
 // ─── Audit Log (append-only, no soft delete) ────────────────────────
 
 model AuditLog {