feat(forum): rebuild forum home page

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

tests/forum/browser-smoke.cjs

@@ -69,7 +69,7 @@ async function run() {
     })
     await sleep(800)
     const result = await call('Runtime.evaluate', {
-      expression: `({forum:!!document.getElementById('forum'),posts:document.querySelectorAll('.jio-forum__post').length,locked:document.body.textContent.includes('内容已隐藏'),leaked:document.documentElement.innerHTML.includes('需要积分查看的正文'),overflow:document.documentElement.scrollWidth>document.documentElement.clientWidth,width:innerWidth})`,
+      expression: `({forum:!!document.getElementById('forum'),posts:document.querySelectorAll('.forum-posts').length,locked:document.body.textContent.includes('内容已隐藏'),leaked:document.documentElement.innerHTML.includes('需要积分查看的正文'),overflow:document.documentElement.scrollWidth>document.documentElement.clientWidth,width:innerWidth})`,
       returnByValue: true,
     })
     const state = result.result.value

tests/forum/forum-contract.test.cjs

@@ -23,12 +23,12 @@ test('every forum page mounts the dedicated runtime and the public write routes
 test('paid content has server-side presentation guards beyond its page body', () => {
   const access = read('src/Forum/Access.php')
   const integration = read('src/Forum/Integration.php')
-  const view = read('src/Forum/View.php')
+  const cards = read('src/Forum/Cards.php')
   assert.match(access, /function can_view\(/)
   assert.match(integration, /add_filter\('the_content'/)
   assert.match(integration, /add_filter\('get_the_excerpt'/)
   assert.match(integration, /add_filter\('jio_seo_head_payload'/)
-  assert.match(view, /Access::can_view\(get_current_user_id\(\), \$post->ID\)/)
+  assert.match(cards, /Access::can_view\(get_current_user_id\(\), \$id\)/)
 })
 
 test('forum management, account, search and responsive styles remain connected', () => {