fix(message): 优化消息详情页计划书信息布局和状态显示

- 修复计划书信息列表布局，长文本自动换行不再挤压标签
- 添加 pending(橙色) 和 processing(蓝色) 状态样式
- 状态标记颜色与计划书列表页保持一致

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

@@ -46,6 +46,8 @@
             <view
               :class="[
                 'status-badge',
+                proposalStatus === 'pending' ? 'status-pending' : '',
+                proposalStatus === 'processing' ? 'status-processing' : '',
                 proposalStatus === 'generated' ? 'status-generated' : '',
                 proposalStatus === 'viewed' ? 'status-viewed' : ''
               ]"
@@ -56,17 +58,17 @@
 
           <!-- 计划书信息 -->
           <view class="bg-gray-50 rounded-lg p-4 mb-4">
-            <view class="flex justify-between text-sm mb-2">
-              <text class="text-gray-500">申请人</text>
-              <text class="text-gray-900 font-medium">{{ detail.proposal.customer_name || '-' }}</text>
+            <view class="proposal-info-item mb-3">
+              <text class="label text-sm">申请人</text>
+              <text class="value text-sm">{{ detail.proposal.customer_name || '-' }}</text>
             </view>
-            <view class="flex justify-between text-sm mb-2">
-              <text class="text-gray-500">产品</text>
-              <text class="text-gray-900 font-medium">{{ detail.proposal.product_name || '-' }}</text>
+            <view class="proposal-info-item mb-3">
+              <text class="label text-sm">产品</text>
+              <text class="value text-sm">{{ detail.proposal.product_name || '-' }}</text>
             </view>
-            <view class="flex justify-between text-sm">
-              <text class="text-gray-500">创建时间</text>
-              <text class="text-gray-900 font-medium">{{ detail.proposal.created_time || '-' }}</text>
+            <view class="proposal-info-item">
+              <text class="label text-sm">创建时间</text>
+              <text class="value text-sm">{{ detail.proposal.created_time || '-' }}</text>
             </view>
           </view>
 
@@ -268,11 +270,47 @@ useLoad((options) => {
   white-space: nowrap;
 }
 
+/* 计划书信息列表项样式 */
+.proposal-info-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: flex-start;
+
+  .label {
+    flex-shrink: 0;
+    color: #6B7280;
+  }
+
+  .value {
+    flex: 1;
+    margin-left: 24rpx;
+    text-align: right;
+    color: #111827;
+    font-weight: 500;
+    word-break: break-all;
+    word-wrap: break-word;
+  }
+}
+
+/* 待处理 - 橙色 */
+.status-pending {
+  background-color: #FEF3C7;
+  color: #D97706;
+}
+
+/* 处理中 - 蓝色 */
+.status-processing {
+  background-color: #DBEAFE;
+  color: #2563EB;
+}
+
+/* 已生成 - 绿色 */
 .status-generated {
   background-color: #D1FAE5;
   color: #059669;
 }
 
+/* 已查看 - 灰色 */
 .status-viewed {
   background-color: #E5E7EB;
   color: #6B7280;