继续收口轻量共享按钮

将 PlatformTagEditor 标签删除入口改为复用共享图标按钮

将角色选择页重复返回按钮收口到共享暗色动作按钮壳

补充 PlatformUiKit 收口计划与共享决策记录

src/components/common/PlatformTagEditor.test.tsx

@@ -23,7 +23,18 @@ test('renders tags and removes a tag', () => {
     />,
   );
 
-  fireEvent.click(screen.getByRole('button', { name: '删除标签 山海' }));
+  const removeButton = screen.getByRole('button', { name: '删除标签 山海' });
+
+  expect(removeButton.className).toContain('platform-icon-button');
+  expect(removeButton.className).toContain('h-3.5');
+  expect(removeButton.className).toContain('w-3.5');
+  expect(removeButton.className).toContain('border-0');
+  expect(removeButton.className).toContain('bg-transparent');
+  expect(removeButton.className).toContain('p-0');
+  expect(removeButton.className).toContain('opacity-70');
+  expect(removeButton.getAttribute('title')).toBe('删除标签');
+
+  fireEvent.click(removeButton);
 
   expect(onChange).toHaveBeenCalledWith(['机关']);
 });

src/components/common/PlatformTagEditor.tsx

@@ -131,20 +131,18 @@ export function PlatformTagEditor({
             ].join(' ')}
           >
             {tag}
-            <button
-              type="button"
+            <PlatformIconButton
               disabled={disabled}
+              label={`删除标签 ${tag}`}
+              title="删除标签"
               onClick={() =>
                 onChange(
                   normalizedTags.filter((currentTag) => currentTag !== tag),
                 )
               }
-              className="rounded-full opacity-70 transition hover:opacity-100 disabled:opacity-45"
-              aria-label={`删除标签 ${tag}`}
-              title="删除标签"
-            >
-              <X className="h-3.5 w-3.5" />
-            </button>
+              className="h-3.5 w-3.5 border-0 bg-transparent p-0 opacity-70 shadow-none transition hover:translate-y-0 hover:bg-transparent disabled:opacity-45"
+              icon={<X className="h-3.5 w-3.5" />}
+            />
           </span>
         ))}
         {normalizedTags.length <= 0 ? (