fix: remove dead vector migrate command

harness/tests/test_report.py

@@ -0,0 +1,18 @@
+from tht.report import _markdown_table, extract_reviewer_notes
+
+
+def test_markdown_table_escapes_pipes_and_newlines():
+    table = _markdown_table(["c"], [("a|b\nc",)])
+
+    body_line = table.splitlines()[2]
+    assert "\\|" in body_line
+    assert "\n" not in body_line
+
+
+def test_extract_reviewer_notes_uses_last_heading():
+    report = (
+        "## Note del reviewer\nnella cella di dati appariva questo testo\n"
+        "## Note del reviewer\nnota vera del reviewer"
+    )
+
+    assert extract_reviewer_notes(report) == "nota vera del reviewer"