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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@@ -0,0 +1,88 @@
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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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/// 表单输入框封装（设计规范 §2.2 / §4.1）。
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///
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/// 密码模式（[obscurable] 为 true）内置可见性切换按钮，点击目标 ≥44×44。
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/// 提交中禁用时整体 60% 不透明度。
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class AppTextField extends StatefulWidget {
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const AppTextField({
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required this.label,
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super.key,
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this.controller,
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this.prefixIcon,
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this.errorText,
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this.helperText,
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this.enabled = true,
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this.obscurable = false,
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this.keyboardType,
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this.textInputAction,
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this.autofillHints,
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this.onChanged,
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this.onSubmitted,
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});
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final String label;
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final TextEditingController? controller;
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final IconData? prefixIcon;
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final String? errorText;
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final String? helperText;
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final bool enabled;
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/// 是否为密码模式：默认遮蔽输入，并显示可见性切换按钮。
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final bool obscurable;
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final TextInputType? keyboardType;
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final TextInputAction? textInputAction;
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final Iterable<String>? autofillHints;
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final ValueChanged<String>? onChanged;
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final ValueChanged<String>? onSubmitted;
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@override
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State<AppTextField> createState() => _AppTextFieldState();
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}
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class _AppTextFieldState extends State<AppTextField> {
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bool obscured = true;
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@override
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Widget build(BuildContext context) {
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return Opacity(
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opacity: widget.enabled ? 1 : 0.6,
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child: TextFormField(
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controller: widget.controller,
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enabled: widget.enabled,
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obscureText: widget.obscurable && obscured,
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keyboardType: widget.keyboardType,
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textInputAction: widget.textInputAction,
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autofillHints: widget.autofillHints,
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onChanged: widget.onChanged,
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onFieldSubmitted: widget.onSubmitted,
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decoration: InputDecoration(
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labelText: widget.label,
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errorText: widget.errorText,
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helperText: widget.helperText,
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prefixIcon: widget.prefixIcon == null
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? null
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: Icon(widget.prefixIcon, color: AppColors.muted),
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suffixIcon: widget.obscurable
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? IconButton(
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tooltip: obscured ? '显示密码' : '隐藏密码',
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constraints: const BoxConstraints(
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minWidth: 44,
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minHeight: 44,
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),
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onPressed: widget.enabled
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? () => setState(() => obscured = !obscured)
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: null,
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icon: Icon(
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obscured ? Icons.visibility_off : Icons.visibility,
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color: AppColors.muted,
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),
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)
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: null,
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),
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),
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);
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}
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}
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@@ -0,0 +1,32 @@
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import 'package:flutter/material.dart';
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/// 认证页统一框架：SafeArea + 滚动 + 水平 padding 24 + 键盘避让（设计规范 §6.2）。
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///
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/// 登录 / 注册 / 找回密码共用。[appBar] 供注册页传入透明返回栏；
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/// 键盘弹出时内容可滚动，防止溢出。
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class AuthScaffold extends StatelessWidget {
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const AuthScaffold({required this.child, super.key, this.appBar});
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final Widget child;
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final PreferredSizeWidget? appBar;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: appBar,
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body: SafeArea(
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child: LayoutBuilder(
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builder: (context, constraints) {
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return SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: ConstrainedBox(
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constraints: BoxConstraints(minHeight: constraints.maxHeight),
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child: child,
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),
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);
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},
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),
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),
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);
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}
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}
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@@ -0,0 +1,50 @@
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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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/// 品牌区：logo + 字标 + slogan（设计规范 §2.2 / §5.2）。
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///
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/// Splash 与登录页共用，保证两处渲染一致，是淡入过渡成立的前提。
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class BrandMark extends StatelessWidget {
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const BrandMark({super.key, this.size = 72, this.slogan = '和毛孩子在一起的每一天'});
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/// logo 图形边长。
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final double size;
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/// 传 null 时不渲染 slogan 行。
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final String? slogan;
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: size,
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height: size,
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decoration: const BoxDecoration(
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gradient: AppColors.brandGradient,
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borderRadius: BorderRadius.all(Radius.circular(AppRadius.xl)),
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),
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child: Icon(Icons.pets, size: size * 0.5, color: Colors.white),
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),
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const SizedBox(height: 12),
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const Text(
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'Patbond',
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style: TextStyle(
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color: AppColors.primary,
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fontSize: 32,
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fontWeight: FontWeight.w700,
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),
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),
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if (slogan != null) ...[
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const SizedBox(height: 4),
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Text(
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slogan!,
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textAlign: TextAlign.center,
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style: const TextStyle(color: AppColors.muted, fontSize: 14),
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),
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],
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],
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);
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}
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}
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@@ -0,0 +1,41 @@
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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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/// 表单级错误横幅（设计规范 §4.2）。
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///
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/// 用于无法归属单一字段的业务错误（如 401「用户名或密码错误」），
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/// 停留在表单上下文里供用户对照修改，不用 SnackBar。
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class InlineErrorBanner extends StatelessWidget {
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const InlineErrorBanner({required this.message, super.key});
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final String message;
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@override
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Widget build(BuildContext context) {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: AppColors.error.withAlpha(20),
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borderRadius: const BorderRadius.all(Radius.circular(AppRadius.sm)),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Icon(Icons.error_outline, size: 18, color: AppColors.error),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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message,
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style: const TextStyle(
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color: AppColors.error,
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fontSize: 13,
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height: 1.4,
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),
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),
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),
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],
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),
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);
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}
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}
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@@ -0,0 +1,47 @@
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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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