feat: 迁移珊瑚橙主题体系并新增认证基础组件(ADR-005)
- app_theme.dart 重写为语义 token(AppColors/AppRadius),落地 primaryStrong/error 等 AA 对比度色 - 五个页面与公共组件的旧靛蓝硬编码色值全部替换为 token,仅换色不动布局 - 新增 BrandMark/AppTextField/PrimaryButton/InlineErrorBanner/AuthScaffold 及 6 个 widget 测试 - 门禁:dart format(0 changed)/ flutter analyze(0 issues)/ flutter test(7 passed) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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import 'package:flutter/material.dart';
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import 'package:patbond_flutter/core/theme/app_theme.dart';
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/// 主操作按钮:全宽 × 52 高,`primaryStrong` 填充(设计规范 §2.2 / §4.3 / §4.4)。
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///
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/// [isLoading] 为 true 时文字替换为 20×20 白色转圈,按钮尺寸不变、不可再点,
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/// 填充保持 `primaryStrong`(loading 不是禁用态,不置灰)。
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class PrimaryButton extends StatelessWidget {
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const PrimaryButton({
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required this.label,
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super.key,
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this.onPressed,
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this.isLoading = false,
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});
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final String label;
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/// 传 null 进入禁用态(主题 disabled 置灰)。
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final VoidCallback? onPressed;
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final bool isLoading;
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@override
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Widget build(BuildContext context) {
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return SizedBox(
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width: double.infinity,
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height: 52,
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child: FilledButton(
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onPressed: isLoading ? null : onPressed,
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style: isLoading
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? FilledButton.styleFrom(
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disabledBackgroundColor: AppColors.primaryStrong,
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)
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: null,
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child: isLoading
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? const SizedBox.square(
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dimension: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2.5,
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color: Colors.white,
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),
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)
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: Text(label),
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),
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);
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}
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}
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