From 03f5c4af28befd560de325cba87bd45d2a6307d4 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Wed, 18 Feb 2026 05:44:48 -0800
Subject: [PATCH] =?UTF-8?q?feat(pre-planting):=20Profile=20=E9=A1=B5?=
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[2026-02-17] 在 Profile 页面认种按钮下方新增预种计划入口

新增内容（纯新增，不改现有逻辑）：
- _goToPrePlantingPurchase()：跳转预种购买页
- _goToPrePlantingPosition()：跳转预种持仓页
- _buildPrePlantingButtons()：两个并排按钮
  - 左侧「预种购买」：金色主题，跳转购买页
  - 右侧「预种持仓」：棕色主题，跳转持仓页

布局位置：认种按钮正下方，主内容卡片上方
现有功能零影响，仅新增 3 个方法 + 1 处布局插入

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../presentation/pages/profile_page.dart      | 100 ++++++++++++++++++
 1 file changed, 100 insertions(+)

diff --git a/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart b/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
index 73781daf..9348cd86 100644
--- a/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
+++ b/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
@@ -1234,6 +1234,16 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
     context.push(RoutePaths.plantingQuantity);
   }
 
+  /// [2026-02-17] 进入预种计划购买页
+  void _goToPrePlantingPurchase() {
+    context.push(RoutePaths.prePlantingPurchase);
+  }
+
+  /// [2026-02-17] 进入预种持仓页
+  void _goToPrePlantingPosition() {
+    context.push(RoutePaths.prePlantingPosition);
+  }
+
   /// 谷歌验证器
   void _goToGoogleAuth() {
     context.push(RoutePaths.googleAuth);
@@ -1418,6 +1428,9 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
                     const SizedBox(height: 8),
                     // 认种按钮
                     _buildPlantingButton(),
+                    const SizedBox(height: 8),
+                    // [2026-02-17] 预种计划按钮（购买 + 查看持仓）
+                    _buildPrePlantingButtons(),
                     const SizedBox(height: 16),
                     // 主要内容卡片（懒加载：收益数据）
                     VisibilityDetector(
@@ -1902,6 +1915,93 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
     );
   }
 
+  /// [2026-02-17] 构建预种计划按钮行（购买 + 查看持仓）
+  ///
+  /// 两个按钮并排显示：
+  /// - 左侧「预种购买」：跳转到预种购买页（选择份数 → 支付 3171 USDT/份）
+  /// - 右侧「预种持仓」：跳转到预种持仓页（查看订单、合并记录、签约）
+  Widget _buildPrePlantingButtons() {
+    return Row(
+      children: [
+        // 预种购买按钮
+        Expanded(
+          child: GestureDetector(
+            onTap: _goToPrePlantingPurchase,
+            child: Container(
+              height: 44,
+              decoration: BoxDecoration(
+                color: const Color(0xFFD4AF37).withValues(alpha: 0.15),
+                borderRadius: BorderRadius.circular(8),
+                border: Border.all(
+                  color: const Color(0xFFD4AF37).withValues(alpha: 0.4),
+                  width: 1,
+                ),
+              ),
+              child: const Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Icon(
+                    Icons.add_circle_outline,
+                    color: Color(0xFFD4AF37),
+                    size: 18,
+                  ),
+                  SizedBox(width: 6),
+                  Text(
+                    '预种购买',
+                    style: TextStyle(
+                      fontSize: 14,
+                      fontFamily: 'Inter',
+                      fontWeight: FontWeight.w600,
+                      color: Color(0xFFD4AF37),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+        const SizedBox(width: 8),
+        // 预种持仓按钮
+        Expanded(
+          child: GestureDetector(
+            onTap: _goToPrePlantingPosition,
+            child: Container(
+              height: 44,
+              decoration: BoxDecoration(
+                color: const Color(0xFF5D4037).withValues(alpha: 0.08),
+                borderRadius: BorderRadius.circular(8),
+                border: Border.all(
+                  color: const Color(0xFF5D4037).withValues(alpha: 0.2),
+                  width: 1,
+                ),
+              ),
+              child: const Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Icon(
+                    Icons.account_balance_wallet_outlined,
+                    color: Color(0xFF5D4037),
+                    size: 18,
+                  ),
+                  SizedBox(width: 6),
+                  Text(
+                    '预种持仓',
+                    style: TextStyle(
+                      fontSize: 14,
+                      fontFamily: 'Inter',
+                      fontWeight: FontWeight.w600,
+                      color: Color(0xFF5D4037),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
   /// 构建主要内容卡片
   Widget _buildMainContentCard() {
     // Widget 结构始终保持，数据值根据状态显示 "0" 或实际值