feat(client): 出库明细成本/售价/利润三列重设计 + 建单利润列 + 入库列头统一

- 出库详情抽屉（管理员）：数量/成本价/售价/利润 + 合计金额/合计利润 双行；
  operator 见 售价/小计（服务端抹零+前端隐藏双保险）；利润负数 danger
- 出库建单：商品名称下带编码（字体同系列列）；金额列→利润列（实时）；
  底栏合计利润（仅管理员）；进价列仅管理员；提交发新 key（cost_price/sale_price）
- 入库建单列头：进价（单瓶）/ 参考售价 / 总进价
- 退单弹窗金额改售价口径（与冲应收一致）；打印保留待定价回退成本兼容
- models 字段随后端消歧改名；golden 重打；新增抽屉双形态 widget 测试

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JJ1g8XV1YhhmHRzhwWEW7o

client/lib/widgets/order_detail_drawer.dart

@@ -55,6 +55,10 @@ class OrderLine {
   final String qty;
   final String price; // 已算好文案（或「待定价」）
   final String amount;
+  // 出库管理员 6 列形态（2026-07 定价重设计）：成本价 + 利润；
+  // 两者非空时明细表渲染 数量/成本价/售价(price)/利润 四数值列，amount 不用。
+  final String? cost;
+  final String? profit;
   final bool pending; // 单价<=0：单价/金额显示待定价样式
   const OrderLine({
     required this.name,
@@ -63,7 +67,9 @@ class OrderLine {
     required this.spec,
     required this.qty,
     required this.price,
-    required this.amount,
+    this.amount = '',
+    this.cost,
+    this.profit,
     this.pending = false,
   });
 }
@@ -83,6 +89,9 @@ class OrderDetailDrawer extends StatelessWidget {
   final String linesLabel; // 入库明细 / 出库明细
   final List<OrderLine> lines;
   final String totalText; // 合计金额（已格式化）
+  final String? profitText; // 合计利润（仅出库·管理员传入；null 不渲染）
+  final String priceLabel; // 单价列头（入库=进价（单瓶）/出库=售价）
+  final String amountLabel; // 金额列头（入库=总进价/出库 operator=小计）
   final List<DrawerActionGroup> actionGroups;
 
   const OrderDetailDrawer({
@@ -92,6 +101,9 @@ class OrderDetailDrawer extends StatelessWidget {
     required this.linesLabel,
     required this.lines,
     required this.totalText,
+    this.profitText,
+    this.priceLabel = '单价',
+    this.amountLabel = '金额',
     required this.actionGroups,
   });
 
@@ -138,7 +150,10 @@ class OrderDetailDrawer extends StatelessWidget {
                   child: Text(linesLabel,
                       style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
                 ),
-                _LinesTable(lines: lines),
+                _LinesTable(
+                    lines: lines,
+                    priceLabel: priceLabel,
+                    amountLabel: amountLabel),
                 // ── 合计（.ltotal）──
                 Padding(
                   padding: const EdgeInsets.fromLTRB(4, 8, 4, 0),
@@ -159,6 +174,28 @@ class OrderDetailDrawer extends StatelessWidget {
                     ],
                   ),
                 ),
+                if (profitText != null)
+                  Padding(
+                    padding: const EdgeInsets.fromLTRB(4, 6, 4, 0),
+                    child: Row(
+                      mainAxisAlignment: MainAxisAlignment.end,
+                      children: [
+                        Text('合计利润 ',
+                            style: TextStyle(
+                                fontSize: AppDims.fsBody, color: t.muted)),
+                        const SizedBox(width: 6),
+                        Text(profitText!,
+                            style: TextStyle(
+                                fontSize: AppDims.fsTitle,
+                                fontFamily: AppFonts.mono,
+                                fontFamilyFallback: AppFonts.monoFallback,
+                                fontWeight: FontWeight.w700,
+                                color: profitText!.startsWith('-')
+                                    ? t.danger
+                                    : t.success)),
+                      ],
+                    ),
+                  ),
                 // ── 操作组（.dactions）──
                 if (actionGroups.isNotEmpty) const SizedBox(height: 18),
                 for (var i = 0; i < actionGroups.length; i++) ...[
@@ -207,7 +244,15 @@ class _DrawerRow extends StatelessWidget {
 
 class _LinesTable extends StatelessWidget {
   final List<OrderLine> lines;
-  const _LinesTable({required this.lines});
+  final String priceLabel;
+  final String amountLabel;
+  const _LinesTable(
+      {required this.lines,
+      required this.priceLabel,
+      required this.amountLabel});
+
+  // 任一行带成本/利润 → 出库管理员 6 列形态
+  bool get _withProfit => lines.any((l) => l.cost != null || l.profit != null);
 
   @override
   Widget build(BuildContext context) {
@@ -233,8 +278,17 @@ class _LinesTable extends StatelessWidget {
                   style: _hStyle(t), overflow: TextOverflow.ellipsis),
               c2: Text('系列 / 规格', style: _hStyle(t)),
               c3: Text('数量', textAlign: TextAlign.right, style: _hStyle(t)),
-              c4: Text('单价', textAlign: TextAlign.right, style: _hStyle(t)),
-              c5: Text('金额', textAlign: TextAlign.right, style: _hStyle(t)),
+              c4: _withProfit
+                  ? Text('成本价', textAlign: TextAlign.right, style: _hStyle(t))
+                  : Text(priceLabel,
+                      textAlign: TextAlign.right, style: _hStyle(t)),
+              c5: _withProfit
+                  ? Text('售价', textAlign: TextAlign.right, style: _hStyle(t))
+                  : Text(amountLabel,
+                      textAlign: TextAlign.right, style: _hStyle(t)),
+              c6: _withProfit
+                  ? Text('利润', textAlign: TextAlign.right, style: _hStyle(t))
+                  : null,
             ),
           ),
           for (var i = 0; i < lines.length; i++)
@@ -281,9 +335,18 @@ class _LinesTable extends StatelessWidget {
                     style: const TextStyle(
                         fontFamily: AppFonts.mono,
                         fontFamilyFallback: AppFonts.monoFallback)),
-                c4: _priceCell(context, lines[i].price, lines[i].pending),
-                c5: _priceCell(context, lines[i].amount, lines[i].pending,
-                    accent: true),
+                c4: _withProfit
+                    ? _priceCell(
+                        context, lines[i].cost ?? '—', lines[i].pending)
+                    : _priceCell(context, lines[i].price, lines[i].pending),
+                c5: _withProfit
+                    ? _priceCell(context, lines[i].price, lines[i].pending)
+                    : _priceCell(context, lines[i].amount, lines[i].pending,
+                        accent: true),
+                c6: _withProfit
+                    ? _profitCell(
+                        context, lines[i].profit ?? '—', lines[i].pending)
+                    : null,
               ),
             ),
         ],
@@ -314,28 +377,56 @@ class _LinesTable extends StatelessWidget {
             color: accent ? t.text : t.text));
   }
 
-  // 5 列布局（对齐原型 grid 1fr 124 40 64 78）。
+  // 5 列布局（对齐原型 grid 1fr 124 40 64 78）；c6 非空时为出库 6 列形态
+  // （数量/成本价/售价/利润，数值列等宽收窄）。
   Widget _lineRow(BuildContext context,
       {required Widget c1,
       required Widget c2,
       required Widget c3,
       required Widget c4,
-      required Widget c5}) {
+      required Widget c5,
+      Widget? c6}) {
+    final six = c6 != null;
     return Row(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
         Expanded(child: c1),
         const SizedBox(width: 8),
-        SizedBox(width: 96, child: c2),
+        SizedBox(width: six ? 84 : 96, child: c2),
         const SizedBox(width: 8),
         SizedBox(width: 34, child: c3),
         const SizedBox(width: 8),
-        SizedBox(width: 60, child: c4),
+        SizedBox(width: six ? 56 : 60, child: c4),
         const SizedBox(width: 8),
-        SizedBox(width: 72, child: c5),
+        SizedBox(width: six ? 56 : 72, child: c5),
+        if (six) ...[
+          const SizedBox(width: 8),
+          SizedBox(width: 56, child: c6),
+        ],
       ],
     );
   }
+
+  // 利润列：负数染 danger，正常 success；待定价沿 warn 样式
+  Widget _profitCell(BuildContext context, String text, bool pending) {
+    final t = context.tokens;
+    if (pending) {
+      return Text(text,
+          textAlign: TextAlign.right,
+          style: TextStyle(
+              fontSize: AppDims.fsXs,
+              color: t.warn,
+              fontWeight: FontWeight.w600));
+    }
+    return Text(text,
+        textAlign: TextAlign.right,
+        style: TextStyle(
+            fontSize: AppDims.fsBody,
+            fontFamily: AppFonts.mono,
+            fontFamilyFallback: AppFonts.monoFallback,
+            fontWeight: FontWeight.w600,
+            color: text.startsWith('-') ? t.danger : t.success));
+  }
 }
 
 class _ActionGroup extends StatelessWidget {