fix: support bilingual Booking Excel headers

tests/test_arr_web_booking_uploads.py

@@ -31,6 +31,37 @@ def valid_workbook() -> bytes:
     return output.getvalue()
 
 
+def bilingual_workbook(*, exact_headers: bool = True) -> bytes:
+    workbook = Workbook()
+    worksheet = workbook.active
+    worksheet.title = "QBD"
+    worksheet.append(["QBD export"])
+    worksheet.append([])
+    tour_header = "Tour Code / 主团号" if exact_headers else "Tour Code / 主团号（备用）"
+    worksheet.append(
+        [
+            "Month",
+            "NO.",
+            tour_header,
+            "Tour Days",
+            "Raw Hotel Detail / วางข้อมูลที่นี่ / 酒店明细",
+        ]
+    )
+    worksheet.append(
+        [
+            "2026-08",
+            1,
+            "SYN-G1",
+            "",
+            "酒店 (【U-TWN8.5】 2,【U-เตียงเสริม13】 1)",
+        ]
+    )
+    output = io.BytesIO()
+    workbook.save(output)
+    workbook.close()
+    return output.getvalue()
+
+
 def summary(disposition: str = "imported_and_activated") -> BookingSourceSummary:
     return BookingSourceSummary(
         source_batch_id=7,
@@ -199,6 +230,31 @@ class ProgramBookingSourceCoordinatorTests(unittest.TestCase):
         self.assertEqual(len(repository.created), 1)
         self.assertEqual(repository.created[0][1].original_filename, "Booking 报表.xlsx")
 
+    def test_bilingual_header_upload_is_stored_then_becomes_review_draft(self) -> None:
+        store = FakeStore()
+        repository = FakeRepository()
+        coordinator = ProgramBookingSourceCoordinator(store, repository)
+
+        result = coordinator.submit("QBD 八月.xlsx", bilingual_workbook())
+
+        self.assertEqual(result["summary"]["filename"], "Booking 报表.xlsx")
+        self.assertEqual(result["summary"]["pending_items"], 1)
+        self.assertEqual(len(store.calls), 1)
+        self.assertEqual(store.calls[0]["original_filename"], "QBD 八月.xlsx")
+        self.assertEqual(len(repository.created), 1)
+
+    def test_unrecognized_bilingual_header_never_reaches_storage_or_database(self) -> None:
+        store = FakeStore()
+        repository = FakeRepository()
+        coordinator = ProgramBookingSourceCoordinator(store, repository)
+
+        with self.assertRaises(PortalError) as raised:
+            coordinator.submit("not.xlsx", bilingual_workbook(exact_headers=False))
+
+        self.assertEqual(raised.exception.code, "BOOKING_EXCEL_HEADERS_MISSING")
+        self.assertEqual(store.calls, [])
+        self.assertEqual(repository.created, [])
+
     def test_reextracting_same_content_still_creates_a_fresh_draft(self) -> None:
         store = FakeStore()
         repository = FakeRepository(summary())