refactor(frontend) : replace any types with concrete TypeScript types

Replace 9 occurrences of 'any' with proper types: HydraCollection, Task,
ClientTicketWrite, TimeEntryWrite across 7 components.

Ticket: T-023

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/components/client-ticket/ClientTicketDetailModal.vue

@@ -191,7 +191,7 @@
 </template>
 
 <script setup lang="ts">
-import type { ClientTicket } from '~/services/dto/client-ticket'
+import type { ClientTicket, ClientTicketWrite } from '~/services/dto/client-ticket'
 import type { TaskDocument } from '~/services/dto/task-document'
 import { useTaskDocumentService } from '~/services/task-documents'
 import { useClientTicketService } from '~/services/client-tickets'
@@ -243,7 +243,7 @@ const canEdit = computed(() => {
     if (!sub) return false
     // submittedBy can be an IRI string or an embedded object
     if (typeof sub === 'string') return sub === `/api/users/${userId}`
-    if (typeof sub === 'object' && 'id' in sub) return (sub as any).id === userId
+    if (typeof sub === 'object' && 'id' in sub) return (sub as { id: number }).id === userId
     return false
 })
 
@@ -270,7 +270,7 @@ async function saveEdit() {
         if (props.ticket.type === 'bug') {
             data.url = editForm.url || null
         }
-        await clientTicketService.update(props.ticket.id, data as any)
+        await clientTicketService.update(props.ticket.id, data as Partial<ClientTicketWrite>)
         isEditing.value = false
         emit('refresh')
     } finally {