feat(frontend) : add client ticket support to task-documents service

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/services/task-documents.ts

@@ -28,6 +28,26 @@ export function useTaskDocumentService() {
         })
     }
 
+    async function uploadForTicket(clientTicketId: number, file: File): Promise<TaskDocument> {
+        const formData = new FormData()
+        formData.append('file', file)
+        formData.append('clientTicket', `/api/client_tickets/${clientTicketId}`)
+
+        return await $fetch<TaskDocument>(`${baseURL}/task_documents`, {
+            method: 'POST',
+            body: formData,
+            credentials: 'include',
+            // Do NOT set Content-Type — browser sets multipart boundary automatically
+        })
+    }
+
+    async function getByTicket(clientTicketId: number): Promise<TaskDocument[]> {
+        const data = await api.get<HydraCollection<TaskDocument>>('/task_documents', {
+            clientTicket: `/api/client_tickets/${clientTicketId}`,
+        })
+        return extractHydraMembers(data)
+    }
+
     async function remove(id: number): Promise<void> {
         await api.delete(`/task_documents/${id}`, {}, {
             toastSuccessKey: 'taskDocuments.deleted',
@@ -38,5 +58,5 @@ export function useTaskDocumentService() {
         return `${baseURL}/task_documents/${id}/download`
     }
 
-    return { getByTask, upload, remove, getDownloadUrl }
+    return { getByTask, upload, uploadForTicket, getByTicket, remove, getDownloadUrl }
 }