fix: honor table defaults and preserve dispatch mappings

frontend/src/composables/__tests__/usePersistedPageSize.spec.ts

@@ -0,0 +1,21 @@
+import { afterEach, describe, expect, it } from 'vitest'
+
+import { getPersistedPageSize } from '@/composables/usePersistedPageSize'
+
+describe('usePersistedPageSize', () => {
+  afterEach(() => {
+    localStorage.clear()
+    delete window.__APP_CONFIG__
+  })
+
+  it('uses the system table default instead of stale localStorage state', () => {
+    window.__APP_CONFIG__ = {
+      table_default_page_size: 1000,
+      table_page_size_options: [20, 50, 1000]
+    } as any
+    localStorage.setItem('table-page-size', '50')
+    localStorage.setItem('table-page-size-source', 'user')
+
+    expect(getPersistedPageSize()).toBe(1000)
+  })
+})