feat : add project archiving feature

Allow projects to be archived/unarchived from the ProjectDrawer, with a
toggle filter on the projects page to show/hide archived projects.

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

frontend/services/projects.ts

@@ -5,8 +5,9 @@ import { extractHydraMembers } from '~/utils/api'
 export function useProjectService() {
     const api = useApi()
 
-    async function getAll(): Promise<Project[]> {
-        const data = await api.get<HydraCollection<Project>>('/projects')
+    async function getAll(params?: { archived?: boolean }): Promise<Project[]> {
+        const query = params?.archived !== undefined ? `?archived=${params.archived}` : ''
+        const data = await api.get<HydraCollection<Project>>(`/projects${query}`)
         return extractHydraMembers(data)
     }
 
@@ -20,9 +21,9 @@ export function useProjectService() {
         })
     }
 
-    async function update(id: number, payload: Partial<ProjectWrite>): Promise<Project> {
+    async function update(id: number, payload: Partial<ProjectWrite>, options?: { toastSuccessKey?: string }): Promise<Project> {
         return api.patch<Project>(`/projects/${id}`, payload as Record<string, unknown>, {
-            toastSuccessKey: 'projects.updated',
+            toastSuccessKey: options?.toastSuccessKey ?? 'projects.updated',
         })
     }