feat: sync latest ARR implementation

tests/test_company_reports_integration.py

@@ -5,6 +5,7 @@ import os
 import shutil
 import tempfile
 import unittest
+from dataclasses import replace
 from datetime import date
 from pathlib import Path
 
@@ -37,6 +38,62 @@ def node_binary() -> str:
 
 @unittest.skipUnless(artifact_tool_available(), "artifact-tool dependency is not installed")
 class CompanyReportIntegrationTests(unittest.TestCase):
+    def test_missing_and_unmatched_group_codes_export_blank_booking_room(self):
+        node = node_binary()
+        if not node:
+            self.skipTest("Node.js is unavailable")
+
+        class CapturingBuilder:
+            def __init__(self, delegate):
+                self.delegate = delegate
+                self.reports = []
+
+            def build(self, report, work_dir):
+                self.reports.append(report)
+                return self.delegate.build(report, work_dir)
+
+        with tempfile.TemporaryDirectory(prefix="company-report-integration-") as temp_dir:
+            project_root = Path(temp_dir) / "project"
+            output_root = project_root / "outputs" / "company_reports"
+            project_root.mkdir(parents=True)
+            repository = FakeRepository(
+                replace(
+                    synthetic_snapshot(include_invalid_hana=True),
+                    room_items=(),
+                    group_parse_versions={},
+                )
+            )
+            builder = CapturingBuilder(
+                ArtifactToolBuilder(BUILDER_SCRIPT, node_binary=node, timeout_seconds=90)
+            )
+            publisher = AtomicReportPublisher(project_root, output_root)
+            service = CompanyReportService(
+                repository,
+                builder,
+                publisher,
+                output_root / ".staging",
+            )
+
+            result = service.run(
+                RunRequest(2026, 7, date(2026, 7, 10), ("QBD", "HanaTour"))
+            )
+
+            self.assertEqual(result.status, "success")
+            self.assertEqual([item.row_count for item in result.companies], [1, 1])
+            self.assertTrue(all(item.errors == () for item in result.companies))
+            self.assertEqual(len(builder.reports), 2)
+            qbd_report, hana_report = builder.reports
+            self.assertEqual(qbd_report.periods[0].rows[0].res_comment, "SYN-GROUP-A")
+            self.assertEqual(qbd_report.periods[0].rows[0].booking_room, "")
+            self.assertEqual(hana_report.periods[0].rows[0].res_comment, "")
+            self.assertEqual(hana_report.periods[0].rows[0].booking_room, "")
+            self.assertTrue(
+                (output_root / "2026" / "07" / "QBD-July-2026.xlsx").is_file()
+            )
+            self.assertTrue(
+                (output_root / "2026" / "07" / "HanaTour-July-2026.xlsx").is_file()
+            )
+
     def test_same_snapshot_rerun_rebuilds_full_month_with_equal_semantics(self):
         node = node_binary()
         if not node: