feat(server): extend GET /box/info with mixed items and attachment summary

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

app/schemas/box.py

@@ -6,12 +6,15 @@ ZONGPAI_PATTERN = re.compile(r"^(\d{2}(B|C|T)\d+|\d{2}(BW|CW)\d{4})$")
 
 
 class BoxItemDetail(BaseModel):
-    """箱号下某个总排号的明细"""
+    """箱号下某个总排号的明细（产品或附件）"""
     box_item_id: int | None = None
     zongpai_no: str
     work_order_no: str | None = None
     quantity: int
     total_quantity: int | None = None
+    kind: str = "product"
+    category_id: int | None = None
+    category_name: str | None = None
 
 
 class CurrentZongpaiBox(BaseModel):
@@ -27,6 +30,12 @@ class BoxDetail(BaseModel):
     items: list[BoxItemDetail]
 
 
+class AttachmentSummary(BaseModel):
+    determination: str
+    all_complete: bool
+    pending_count: int
+
+
 class BoxInfoResponse(BaseModel):
     """GET /box/info 响应"""
     zongpai_no: str
@@ -37,6 +46,7 @@ class BoxInfoResponse(BaseModel):
     existing_boxes: list[BoxDetail]
     max_box_no: int
     suggested_box_no: int
+    attachment_summary: AttachmentSummary
 
 
 class BoxSaveRequest(BaseModel):