fix(SPA): activity list saves pagination too

web/src/lib/__tests__/pageSizeMemory.spec.ts

@@ -1,5 +1,5 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { readStoredPageSize, storePageSize } from '../pageSizeMemory'
+import { readStoredPageSize, resolvePageSize, storePageSize } from '../pageSizeMemory'
 
 const KEY = 'renewcms-page-size-articles'
 const SIZES = [5, 25, 50, 100]
@@ -53,3 +53,31 @@ describe('pageSizeMemory', () => {
 		expect(() => storePageSize(KEY, 50)).not.toThrow()
 	})
 })
+
+describe('resolvePageSize', () => {
+	beforeEach(() => {
+		localStorage.clear()
+	})
+
+	it('uses the stored size when the query has none', () => {
+		localStorage.setItem(KEY, '5')
+		expect(resolvePageSize(undefined, KEY, SIZES, 25)).toBe(5)
+	})
+
+	it('falls back when nothing valid is stored', () => {
+		expect(resolvePageSize(undefined, KEY, SIZES, 25)).toBe(25)
+	})
+
+	it('lets a valid query size win over the stored one', () => {
+		localStorage.setItem(KEY, '5')
+		expect(resolvePageSize('100', KEY, SIZES, 25)).toBe(100)
+	})
+
+	it.each(['10', '', 'abc', ['5']])(
+		'falls back to the default for %j, ignoring storage',
+		(raw) => {
+			localStorage.setItem(KEY, '5')
+			expect(resolvePageSize(raw, KEY, SIZES, 25)).toBe(25)
+		},
+	)
+})

web/src/lib/pageSizeMemory.ts

@@ -1,4 +1,5 @@
 export const ARTICLES_PAGE_SIZE_KEY = 'renewcms-page-size-articles'
+export const ACTIVITY_PAGE_SIZE_KEY = 'renewcms-page-size-activity'
 
 export function readStoredPageSize(key: string, validSizes: number[]) {
 	try {
@@ -16,3 +17,10 @@ export function storePageSize(key: string, size: number) {
 		return
 	}
 }
+
+export function resolvePageSize(raw: unknown, key: string, validSizes: number[], fallback: number) {
+	if (raw === undefined) {
+		return readStoredPageSize(key, validSizes) ?? fallback
+	}
+	return validSizes.find((size) => String(size) === raw) ?? fallback
+}