When no margin detected, reserve a bit more space for comments

tests/test_manual_resolution_state.py

@@ -9,11 +9,29 @@ import pymupdf
 from copienator import CliError, EvaluationWorkspace, atomic_write_json, read_json
 from copienator.commands import correction, resolve_manual
 from copienator.answer_origins import origins_for, save_origins
+from copienator.annotation_layout import save_parts, answer_parts, layout_for, page_parts
 from copienator.annotation_data import load_annotation_data
 from copienator_gui.app import has_manual_conflicts
 
 
 class ManualResolutionStateTests(unittest.TestCase):
+    def test_merge_preserves_low_margin_and_page_order(self):
+        for pipe_first in (False, True):
+            with self.subTest(pipe_first=pipe_first), tempfile.TemporaryDirectory() as temporary:
+                workspace = self.fixture(Path(temporary), '->')
+                workspace.manual_resolutions_file.write_text(
+                    'Copie01 A -> |B\n' if pipe_first else 'Copie01 A -> B|\n')
+                copies = workspace.copies_dir / 'Copie01'
+                for label, status in (('A', 'low'), ('B', 'normal')):
+                    pdf = copies / f'{label}.pdf'
+                    save_parts(pdf, [{'margin_status': status} for _ in page_parts(pdf)])
+                resolve_manual.resolve_manual(workspace)
+                target = resolve_manual.get_actual_pdf(workspace.copies_dir, '01', 'B')
+                self.assertEqual(layout_for(target)['margin_left'], 400)
+                statuses = [part['margin_status'] for part in answer_parts(target)]
+                self.assertEqual(statuses[0], 'low' if pipe_first else 'normal')
+                self.assertEqual(statuses[-1], 'normal' if pipe_first else 'low')
+
     def test_automatic_additional_content_records_origin_but_wrong_label_does_not(self):
         for kind in ("additional-answer", "wrong-label"):
             with self.subTest(kind=kind), tempfile.TemporaryDirectory() as temporary: