Add per label remark, post correction

tests/test_incremental_annotation_reads.py

@@ -11,6 +11,7 @@ from PIL import Image
 from copienator import EvaluationWorkspace, ExitCode, atomic_write_json, configuration
 from copienator.annotation_data import AnnotationLoadResult
 from copienator.annotation_read_cache import STATE_FILE
+from copienator.custom_remarks import set_remark
 from copienator.commands import annotating, reading_annotations as standard
 from copienator.commands import reading_grouped_annotations as grouped
 
@@ -89,6 +90,19 @@ class IncrementalAnnotationReadsTests(unittest.TestCase):
                 self.assertEqual(scan.call_args.args[1], {"01"})
             run(0)
 
+            # Remarks are per-copy inputs, including their removal.
+            set_remark(root, "1", "Ex 1", "Justifier cette étape.")
+            run(1)
+            self.assertEqual(compose.call_args.args[2]["feedback"][-1]["text"], "Justifier cette étape.")
+            run(0)
+            set_remark(root, "01", "Ex 1", "Détailler le calcul.")
+            run(1)
+            self.assertEqual(len(compose.call_args.args[2]["feedback"]), 1)
+            set_remark(root, "1", "Ex 1", "")
+            run(1)
+            self.assertEqual(compose.call_args.args[2]["feedback"], [])
+            run(0)
+
             # Per-copy sources and correction data invalidate only that copy.
             (root / "Copies" / "01.pdf").write_bytes(b"replaced answer PDF")
             run(1)