style: 统一页面表单操作左对齐

tests/components/ui/flatTheme.test.ts

@@ -29,6 +29,21 @@ afterEach(() => {
 })
 
 describe('全站平面主题', () => {
+    it('页面级表单操作统一左对齐，弹窗操作仍保持右对齐', () => {
+        const css = readAllStyles()
+        expect(css).toMatch(
+            /\.page-form-actions\s*\{[^}]*display:\s*flex;[^}]*flex-wrap:\s*wrap;[^}]*align-items:\s*center;[^}]*justify-content:\s*flex-start;[^}]*gap:\s*8px 16px;/
+        )
+        expect(css).toMatch(/\.dialog-footer\s*\{[^}]*justify-content:\s*flex-end;/)
+        for (const file of [
+            'src/features/subject-identity/components/IdentityEditor.vue',
+            'src/features/visual-style/components/StyleEditor.vue',
+            'src/features/generation-config/components/CreativeProfileSettings.vue'
+        ]) {
+            expect(readFileSync(file, 'utf8')).toContain('page-form-actions')
+        }
+    })
+
     it.each([false, true])('模式 %s 的绿色按钮使用白字，禁用后灰底灰字且不可提交', dark => {
         localStorage.setItem('drama-studio-theme', dark ? 'dark' : 'light')
         vi.stubGlobal('matchMedia', () => ({ matches: dark, addEventListener() {}, removeEventListener() {} }))