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