feat(bom): 归档业务闭环——状态筛选+归档/取消归档入口

- get_bom_list/get_bom_summary 状态过滤支持 archived，enabled 语义改为“启用且未归档”
- get_bom_list 输出补 is_archived；新增 update_archived 与 POST /bom/archive（整组切换归档、清缓存、审计）
- “未指定版本自动取最新”硬化为仅认启用且未归档（get_bom_detail / get_bom_no_by_parent）
- 前端：状态按钮组加“归档”；列表状态列区分归档；操作列加“归档/取消归档”按钮

inventory-backend/app/services/bom_service.py

@@ -133,6 +133,7 @@ class BomService:
             MaterialBase.spec_model.label('parent_spec'),
             MaterialBase.category.label('parent_category'),
             BomTable.is_enabled,
+            BomTable.is_archived,
             func.count(BomTable.child_id).label('child_count'),
             func.string_agg(child_alias.name, ', ').label('child_names'),
             func.string_agg(child_alias.spec_model, ', ').label('child_specs')
@@ -143,14 +144,17 @@ class BomService:
         ).group_by(
             BomTable.bom_no, BomTable.version, BomTable.parent_id,
             MaterialBase.name, MaterialBase.spec_model, MaterialBase.category,
-            BomTable.is_enabled
+            BomTable.is_enabled, BomTable.is_archived
         )
 
-        # 状态过滤：status 优先于旧参数 active_only（enabled/disabled 均为精确过滤）
+        # 状态过滤：status 优先于旧参数 active_only
+        # enabled=启用且未归档(在用)；disabled=停用；archived=归档(保留可见/编辑，但不作子件引用候选)
         if status == 'enabled':
-            query = query.filter(BomTable.is_enabled == True)
+            query = query.filter(BomTable.is_enabled == True, BomTable.is_archived == False)
         elif status == 'disabled':
             query = query.filter(BomTable.is_enabled == False)
+        elif status == 'archived':
+            query = query.filter(BomTable.is_archived == True)
         elif active_only:
             query = query.filter(BomTable.is_enabled == True)
 
@@ -211,6 +215,7 @@ class BomService:
                 'parent_spec': row.parent_spec or '',
                 'parent_category': row.parent_category or '',
                 'is_enabled': row.is_enabled,
+                'is_archived': row.is_archived,
                 'child_count': row.child_count,
                 'child_names': row.child_names or '',
                 'child_specs': row.child_specs or ''
@@ -254,10 +259,13 @@ class BomService:
             query = query.filter(MaterialBase.company_name == company_limit)
 
         # 状态过滤（按 (bom_no, version) 维度计数，故过滤粒度到行即可，行状态同版本一致）
+        # enabled=启用且未归档；disabled=停用；archived=归档
         if status == 'enabled':
-            query = query.filter(BomTable.is_enabled == True)
+            query = query.filter(BomTable.is_enabled == True, BomTable.is_archived == False)
         elif status == 'disabled':
             query = query.filter(BomTable.is_enabled == False)
+        elif status == 'archived':
+            query = query.filter(BomTable.is_archived == True)
 
         # 关键词搜索
         if keyword:
@@ -313,8 +321,12 @@ class BomService:
         if version:
             query = query.filter(BomTable.version == version)
         else:
-            latest_ver = db.session.query(BomTable.version).filter_by(bom_no=bom_no) \
-                .order_by(BomTable.version.desc()).limit(1).scalar()
+            # ★ 自动"取最新"只认"启用且未归档"，避免默认命中已停用/已归档版本
+            latest_ver = db.session.query(BomTable.version).filter(
+                BomTable.bom_no == bom_no,
+                BomTable.is_enabled == True,
+                BomTable.is_archived == False
+            ).order_by(BomTable.version.desc()).limit(1).scalar()
             if not latest_ver:
                 return None
             query = query.filter(BomTable.version == latest_ver)
@@ -524,6 +536,22 @@ class BomService:
         logger.info(f"[BOM Cache] update_enabled → 缓存已失效 bom_no={bom_no} version={version} enabled={is_enabled}")
         return len(rows)
 
+    @staticmethod
+    def update_archived(bom_no, version, archived):
+        """
+        仅更新某 BOM 版本(整组行)的归档标记。
+        归档=仍启用可查看/编辑，但不再作为其它 BOM 子件的引用候选；取消归档即恢复正常引用。
+        """
+        rows = BomTable.query.filter_by(bom_no=bom_no, version=version).all()
+        if not rows:
+            raise ValueError('BOM 不存在')
+        for rec in rows:
+            rec.is_archived = bool(archived)
+        db.session.commit()
+        _cache_delete(bom_no, version)
+        logger.info(f"[BOM Cache] update_archived → 缓存已失效 bom_no={bom_no} version={version} archived={archived}")
+        return len(rows)
+
     @staticmethod
     def get_bom_with_stock_by_bom_no(bom_no, version=None):
         """
@@ -580,7 +608,12 @@ class BomService:
     # ====================== 兼容旧接口 ======================
     @staticmethod
     def get_bom_no_by_parent(parent_id):
-        row = BomTable.query.filter_by(parent_id=parent_id).order_by(BomTable.version.desc()).first()
+        # ★ 仅取"启用且未归档"的最新配方，避免默认命中已停用/已归档版本
+        row = BomTable.query.filter(
+            BomTable.parent_id == parent_id,
+            BomTable.is_enabled == True,
+            BomTable.is_archived == False
+        ).order_by(BomTable.version.desc()).first()
         return row.bom_no if row else None
 
     @staticmethod