`core.decomp`

Purpose: baseline/decomposition helper entrypoint.

Status in V2

core.decomp is retained for compatibility with older decomposition call-sites. For active V2 decomposition logic and saved artefacts, use:

• core._decomp
• sketch.plot_results
• sketch.depict

Stage Outputs

Decomposition outputs are written to:

• 40_decomposition/

Representative artefacts:

• all_decomp.csv
• waterfall_decomposition_data.csv
• waterfall_plot_components_decomposition.png
• weekly_media_contribution.png