feat: add CLI options for custom CSV separator and normalize-to-one branch normalization

beta_spectrum/cli.py

@@ -152,6 +152,17 @@ def _build_parser() -> argparse.ArgumentParser:
         choices=["full", "concise"],
         help="CSV output verbosity: 'full' (all components) or 'concise' (total spectrum and normalized branch components only) (default: full)",
     )
+    log_group.add_argument(
+        "--csv-separator",
+        type=str,
+        default=',',
+        help="CSV column separator (default: ','). Use 'tab' for tab separation.",
+    )
+    log_group.add_argument(
+        "--normalize-to-one",
+        action="store_true",
+        help="Normalize each branch to 1, ignoring intensity. In this case, total spectrum will not be produced (only energy and branch-wise spectra).",
+    )
 
     return parser
 
@@ -253,6 +264,8 @@ def _run(args: argparse.Namespace) -> None:
                     neutrino_mass_MeV=args.neutrino_mass,
                     branches=branches,
                     intensity_cutoff=args.intensity_cutoff,
+                    csv_separator=args.csv_separator,
+                    normalize_to_one=args.normalize_to_one,
                 )
             else:
                 config = create_config_from_source(
@@ -261,6 +274,8 @@ def _run(args: argparse.Namespace) -> None:
                     e_step_MeV=args.e_step,
                     intensity_cutoff=args.intensity_cutoff,
                     neutrino_mass_MeV=args.neutrino_mass,
+                    csv_separator=args.csv_separator,
+                    normalize_to_one=args.normalize_to_one,
                 )
         else:
             config = create_config_from_source(
@@ -269,6 +284,8 @@ def _run(args: argparse.Namespace) -> None:
                 e_step_MeV=args.e_step,
                 intensity_cutoff=args.intensity_cutoff,
                 neutrino_mass_MeV=args.neutrino_mass,
+                csv_separator=args.csv_separator,
+                normalize_to_one=args.normalize_to_one,
             )
     else:
         logger.info("Source: JSON file=%s", source_value)