Implement parent child ticket hierarchy

resources/js/types/models/ticket-model.ts

@@ -9,6 +9,7 @@ export type TicketModel = {
     board_column_id: number | null;
     description: string | null;
     field_values?: TicketFieldValueModel[];
+    parent_ticket_id: number | null;
     project_id: number;
     sequence_number: number;
     ticket_key: string;

resources/js/types/models/ticket-tree-node-model.ts

@@ -0,0 +1,7 @@
+export type TicketTreeNodeModel = {
+    children: TicketTreeNodeModel[];
+    id: number;
+    ticket_key: string;
+    ticket_type_name: string | null;
+    title: string;
+};

resources/js/types/page-props.ts

@@ -4,6 +4,7 @@ import type { TeamModel } from '@/types/models/team-model';
 import type { TicketFieldDefinitionModel } from '@/types/models/ticket-field-definition-model';
 import type { TicketModel } from '@/types/models/ticket-model';
 import type { TicketPriorityModel } from '@/types/models/ticket-priority-model';
+import type { TicketTreeNodeModel } from '@/types/models/ticket-tree-node-model';
 import type { TicketTypeModel } from '@/types/models/ticket-type-model';
 import type { UserModel } from '@/types/models/user-model';
 
@@ -82,6 +83,12 @@ export type ProjectBacklogPageProps = {
 
 export type ProjectTicketPageProps = {
     canEditTicket: boolean;
+    childTicketTree: TicketTreeNodeModel[];
+    parentTicketOptions: Array<{
+        id: number;
+        ticket_key: string;
+        title: string;
+    }>;
     project: ProjectModel;
     status?: string | null;
     ticket: TicketModel;