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

beta_spectrum/nuclear_data.py

@@ -471,6 +471,8 @@ def decay_info_to_config(
     e_step_MeV: float = 0.001,
     intensity_cutoff: float = 0.0,
     neutrino_mass_MeV: float = 0.0,
+    csv_separator: str = ',',
+    normalize_to_one: bool = False,
 ) -> SpectrumConfig:
     """
     Convert DecayInfo to a SpectrumConfig.
@@ -485,6 +487,10 @@ def decay_info_to_config(
         Minimum branch intensity fraction to include.
     neutrino_mass_MeV : float
         Neutrino mass in MeV.
+    csv_separator : str
+        CSV column separator.
+    normalize_to_one : bool
+        If True, normalize each branch to 1, ignoring intensity.
 
     Returns
     -------
@@ -516,6 +522,8 @@ def decay_info_to_config(
         neutrino_mass_MeV=neutrino_mass_MeV,
         branches=branches,
         intensity_cutoff=intensity_cutoff,
+        csv_separator=csv_separator,
+        normalize_to_one=normalize_to_one,
     )
 
 
@@ -690,12 +698,16 @@ def create_config_from_source(
         e_step = kwargs.get("e_step_MeV", 0.001)
         intensity_cutoff = kwargs.get("intensity_cutoff", 0.0)
         neutrino_mass = kwargs.get("neutrino_mass_MeV", 0.0)
+        csv_separator = kwargs.get("csv_separator", ',')
+        normalize_to_one = kwargs.get("normalize_to_one", False)
         info = get_decay_info_from_paceENSDF(nuclide, decay_type, decay_index)
         return decay_info_to_config(
             info,
             e_step_MeV=e_step,
             intensity_cutoff=intensity_cutoff,
             neutrino_mass_MeV=neutrino_mass,
+            csv_separator=csv_separator,
+            normalize_to_one=normalize_to_one,
         )
     elif source == "json":
         if not json_path: