fix(operator-gate): repair test ledger mock and newline parsing in nostur adapter

operator-gate/tests/test_gate_idempotency.py

@@ -30,30 +30,39 @@ class TestIdempotency(unittest.TestCase):
     def tearDown(self):
         self.tmpdir.cleanup()
 
-    @patch("gitea_gate._LEDGER_PATH")
-    def test_replay_returns_prior_ack(self, mock_path):
+    @patch("gitea_gate._ledger_load")
+    @patch("gitea_gate._ledger_append")
+    @patch("gitea_gate._api_request")
+    def test_replay_returns_prior_ack(self, mock_api, mock_append, mock_load):
         """Same command executed twice must return prior_execution=True on second call."""
-        mock_path.__str__ = lambda self: self.ledger_override
-        # We mock the API call to avoid network
-        with patch("gitea_gate._api_request") as mock_api:
-            mock_api.return_value = {"number": 999, "title": "Test Issue", "html_url": "http://test/999"}
+        mock_api.return_value = {"number": 999, "title": "Test Issue", "html_url": "http://test/999"}
+        ledger = {}
 
-            cmd = Command(
-                source="nostr:test",
-                action="create_issue",
-                repo="Timmy_Foundation/test",
-                payload={"title": "Test Issue", "body": "body"},
-                timestamp_utc="2026-04-06T14:00:00Z",
-            )
+        def load():
+            return ledger.copy()
 
-            ack1 = self.gate.execute(cmd)
-            self.assertTrue(ack1.success)
-            self.assertFalse(ack1.prior_execution)
+        def append(entry):
+            ledger[entry["idempotency_key"]] = entry
 
-            ack2 = self.gate.execute(cmd)
-            self.assertTrue(ack2.success)
-            self.assertTrue(ack2.prior_execution)
-            self.assertEqual(ack2.gitea_number, 999)
+        mock_load.side_effect = load
+        mock_append.side_effect = append
+
+        cmd = Command(
+            source="nostr:test",
+            action="create_issue",
+            repo="Timmy_Foundation/test",
+            payload={"title": "Test Issue", "body": "body"},
+            timestamp_utc="2026-04-06T14:00:00Z",
+        )
+
+        ack1 = self.gate.execute(cmd)
+        self.assertTrue(ack1.success)
+        self.assertFalse(ack1.prior_execution)
+
+        ack2 = self.gate.execute(cmd)
+        self.assertTrue(ack2.success)
+        self.assertTrue(ack2.prior_execution)
+        self.assertEqual(ack2.gitea_number, 999)
 
     def test_idempotency_key_determinism(self):
         """Identical commands must produce identical keys."""