收口智能创作首页空态

将智能创作首页抽屉空态迁移到 PlatformEmptyState

将智能创作首页错误提示迁移到 PlatformStatusMessage

删除智能创作首页本地空态和错误提示 chrome

新增 CreativeAgentHome 公共组件断言

更新 PlatformUiKit 文档和 Hermes 决策记录

src/index.css

@@ -8963,14 +8963,6 @@ button {
 
 .creative-agent-home__error {
   max-width: 38rem;
-  border: 1px solid var(--platform-button-danger-border);
-  border-radius: 1rem;
-  background: var(--platform-button-danger-fill);
-  color: var(--platform-button-danger-text);
-  padding: 0.85rem 1rem;
-  font-size: 0.875rem;
-  font-weight: 800;
-  line-height: 1.6;
 }
 
 .creative-agent-home__composer {
@@ -9139,17 +9131,6 @@ button {
     color 180ms ease;
 }
 
-.creative-agent-drawer__empty {
-  border: 1px solid var(--platform-subpanel-border);
-  border-radius: 1rem;
-  background: var(--platform-subpanel-fill);
-  color: var(--platform-text-soft);
-  padding: 0.9rem 1rem;
-  text-align: center;
-  font-size: 0.9rem;
-  font-weight: 800;
-}
-
 .creative-agent-drawer__avatar {
   display: inline-flex;
   width: 3rem;