fix(cli): parse positional insights days

cli.py

@@ -8805,6 +8805,9 @@ class HermesCLI:
             elif parts[i] == "--source" and i + 1 < len(parts):
                 source = parts[i + 1]
                 i += 2
+            elif parts[i].isdigit():
+                days = int(parts[i])
+                i += 1
             else:
                 i += 1
 

tests/cli/test_cli_insights_command.py

@@ -0,0 +1,43 @@
+from unittest.mock import MagicMock, patch
+
+from cli import HermesCLI
+
+
+class _InsightsEngineStub:
+    calls = []
+
+    def __init__(self, db):
+        self.db = db
+
+    def generate(self, *, days=30, source=None):
+        self.calls.append({"days": days, "source": source})
+        return {"days": days, "source": source}
+
+    def format_terminal(self, report):
+        return f"days={report['days']} source={report['source']}"
+
+
+def _run_show_insights(command: str):
+    cli_obj = HermesCLI.__new__(HermesCLI)
+    db = MagicMock()
+    _InsightsEngineStub.calls = []
+    with patch("hermes_state.SessionDB", return_value=db), \
+         patch("agent.insights.InsightsEngine", _InsightsEngineStub):
+        cli_obj._show_insights(command)
+    return _InsightsEngineStub.calls, db
+
+
+def test_cli_insights_accepts_positional_days(capsys):
+    calls, db = _run_show_insights("/insights 7")
+
+    assert calls == [{"days": 7, "source": None}]
+    db.close.assert_called_once()
+    assert "days=7 source=None" in capsys.readouterr().out
+
+
+def test_cli_insights_keeps_days_flag_and_source(capsys):
+    calls, db = _run_show_insights("/insights --days 14 --source discord")
+
+    assert calls == [{"days": 14, "source": "discord"}]
+    db.close.assert_called_once()
+    assert "days=14 source=discord" in capsys.readouterr().out