feat: add order governance flags and reconciliation

backend/docs/swagger.yaml

@@ -1936,6 +1936,15 @@ definitions:
         - $ref: '#/definitions/dto.OrderTenantLite'
         description: Tenant 订单所属租户信息。
     type: object
+  dto.SuperOrderFlagForm:
+    properties:
+      is_flagged:
+        description: IsFlagged 是否标记为问题订单。
+        type: boolean
+      reason:
+        description: Reason 标记原因（标记为问题时必填）。
+        type: string
+    type: object
   dto.SuperOrderItem:
     properties:
       amount_discount:
@@ -1958,9 +1967,24 @@ definitions:
         allOf:
         - $ref: '#/definitions/consts.Currency'
         description: Currency 币种。
+      flag_reason:
+        description: FlagReason 问题标记原因。
+        type: string
+      flagged_at:
+        description: FlaggedAt 标记时间（RFC3339）。
+        type: string
+      flagged_by:
+        description: FlaggedBy 标记操作者ID。
+        type: integer
       id:
         description: ID 订单ID。
         type: integer
+      is_flagged:
+        description: IsFlagged 是否标记为问题订单。
+        type: boolean
+      is_reconciled:
+        description: IsReconciled 是否完成对账。
+        type: boolean
       items:
         description: Items 订单明细行，用于展示具体内容与金额拆分。
         items:
@@ -1969,6 +1993,15 @@ definitions:
       paid_at:
         description: PaidAt 支付时间（RFC3339）。
         type: string
+      reconcile_note:
+        description: ReconcileNote 对账说明。
+        type: string
+      reconciled_at:
+        description: ReconciledAt 对账时间（RFC3339）。
+        type: string
+      reconciled_by:
+        description: ReconciledBy 对账操作者ID。
+        type: integer
       refunded_at:
         description: RefundedAt 退款时间（RFC3339）。
         type: string
@@ -2007,6 +2040,15 @@ definitions:
       snapshot:
         description: Snapshot 明细快照，用于展示内容标题等历史信息。
     type: object
+  dto.SuperOrderReconcileForm:
+    properties:
+      is_reconciled:
+        description: IsReconciled 是否完成对账。
+        type: boolean
+      note:
+        description: Note 对账说明（可选）。
+        type: string
+    type: object
   dto.SuperOrderRefundForm:
     properties:
       force:
@@ -4028,6 +4070,62 @@ paths:
       summary: Get order
       tags:
       - Order
+  /super/v1/orders/{id}/flag:
+    post:
+      consumes:
+      - application/json
+      description: Flag or unflag an order as problematic
+      parameters:
+      - description: Order ID
+        format: int64
+        in: path
+        name: id
+        required: true
+        type: integer
+      - description: Flag form
+        in: body
+        name: form
+        required: true
+        schema:
+          $ref: '#/definitions/dto.SuperOrderFlagForm'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            type: string
+      summary: Flag order
+      tags:
+      - Order
+  /super/v1/orders/{id}/reconcile:
+    post:
+      consumes:
+      - application/json
+      description: Mark or unmark order reconciliation status
+      parameters:
+      - description: Order ID
+        format: int64
+        in: path
+        name: id
+        required: true
+        type: integer
+      - description: Reconcile form
+        in: body
+        name: form
+        required: true
+        schema:
+          $ref: '#/definitions/dto.SuperOrderReconcileForm'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            type: string
+      summary: Reconcile order
+      tags:
+      - Order
   /super/v1/orders/{id}/refund:
     post:
       consumes: