diff --git a/src/agent.py b/src/agent.py
index 37144eb..c90bd55 100644
--- a/src/agent.py
+++ b/src/agent.py
@@ -453,6 +453,11 @@ def _date(value) -> Optional[str]:
     return (value or "")[:10] or None
 
 
+def _nl(value) -> str:
+    r"""Текст для сравнения: Jira хранит правленное в UI с \r\n, команды приходят с \n (T3.9, проверено 13.10.2026)."""
+    return (value or "").replace("\r\n", "\n")
+
+
 class ConfigGap(Exception):
     """В настройках хаба нет того, что нужно команде (R-11): команда падает с понятным текстом, а не молча теряет поле."""
 
@@ -567,7 +572,7 @@ class Executor:
         if "summary" in p and (cur.get("summary") or "") != (p["summary"] or ""):
             fields["summary"] = p["summary"]
             changed.append("summary")
-        if "description" in p and (cur.get(self.fid("description")) or "") != (p["description"] or ""):
+        if "description" in p and _nl(cur.get(self.fid("description"))) != _nl(p["description"]):
             fields[self.fid("description")] = p["description"]
             changed.append("description")
         if "priority" in p:
@@ -622,7 +627,7 @@ class Executor:
             start += len(comments)
             if not comments or page.get("total") is None or start >= int(page["total"]):
                 break
-        if existing and (existing.get("body") or "") == body:
+        if existing and _nl(existing.get("body")) == _nl(body):
             return self._out("done", {"comment_id": existing["id"], "changed": False})
         if existing:
             self.jira.put(API + "/issue/%s/comment/%s" % (key, existing["id"]), {"body": body})
diff --git a/tests/test_executor_fields.py b/tests/test_executor_fields.py
index 8d29b78..aa0e949 100644
--- a/tests/test_executor_fields.py
+++ b/tests/test_executor_fields.py
@@ -101,6 +101,25 @@ class ExecutorFieldsTest(unittest.TestCase):
         self.assertEqual(len(self.fake.comments["AURORA-1"]), 1)
         self.assertEqual(self.fake.comments["AURORA-1"][0]["body"], "*Актуализация 10.10.2026.* Сделано: всё")
 
+    def test_fields_description_crlf_equals_lf(self):
+        self.fake.add("AURORA-1", description="а\r\nб")         # так Jira хранит текст, правленный в UI
+        out = self.run_cmd("ensure_fields", key="AURORA-1", description="а\nб")
+        self.assertEqual(out["result"]["changed"], [])
+        out = self.run_cmd("ensure_fields", key="AURORA-1", description="а\nв")
+        self.assertEqual(out["result"]["changed"], ["description"])
+        self.assertEqual(self.fake.issues["AURORA-1"]["description"], "а\nв")   # отправлен текст команды как есть
+
+    def test_fields_description_none_equals_empty(self):
+        self.fake.add("AURORA-1", description=None)
+        out = self.run_cmd("ensure_fields", key="AURORA-1", description="")
+        self.assertEqual(out["result"]["changed"], [])
+
+    def test_comment_crlf_equals_lf(self):
+        self.fake.add("AURORA-1")
+        self.fake.comments["AURORA-1"] = [{"id": "10", "body": "*Актуализация 10.10.2026.* строка1\r\nстрока2"}]
+        out = self.run_cmd("ensure_comment", key="AURORA-1", marker="Актуализация 10.10.2026", body="строка1\nстрока2")
+        self.assertEqual(out["result"], {"comment_id": "10", "changed": False})
+
     def test_unknown_type(self):
         self.assertEqual(self.run_cmd("ensure_magic", key="x")["status"], "failed")