feat : add downloadExport async method to time-entries service

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

frontend/services/time-entries.ts

@@ -53,20 +53,42 @@ export function useTimeEntryService() {
     function getExportUrl(params: {
         after: string
         before: string
-        user?: number
-        project?: number
+        users?: number[]
+        projects?: number[]
+        client?: number
         tags?: number[]
     }): string {
         const query = new URLSearchParams()
         query.set('after', params.after)
         query.set('before', params.before)
-        if (params.user) query.set('user', String(params.user))
-        if (params.project) query.set('project', String(params.project))
+        if (params.users?.length) {
+            params.users.forEach(id => query.append('users[]', String(id)))
+        }
+        if (params.client) query.set('client', String(params.client))
+        if (params.projects?.length) {
+            params.projects.forEach(id => query.append('projects[]', String(id)))
+        }
         if (params.tags?.length) {
             params.tags.forEach(id => query.append('tags[]', String(id)))
         }
         return `/api/time_entries/export?${query.toString()}`
     }
 
-    return { getByDateRange, getActive, create, update, remove, getExportUrl }
+    async function downloadExport(params: {
+        after: string
+        before: string
+        users?: number[]
+        projects?: number[]
+        client?: number
+        tags?: number[]
+    }): Promise<{ blob: Blob; filename: string }> {
+        const url = getExportUrl(params)
+        const response = await api.getBlob(url)
+        const disposition = response.headers.get('content-disposition') ?? ''
+        const filenameMatch = disposition.match(/filename="?([^";\n]+)"?/)
+        const filename = filenameMatch?.[1] ?? `export-temps-${params.after}_${params.before}.xlsx`
+        return { blob: response.data, filename }
+    }
+
+    return { getByDateRange, getActive, create, update, remove, getExportUrl, downloadExport }
 }