Andrew Charlwood 7cbc648c6d feat: add indication pathway processing functions (Task 2.3) ...

- Add generate_icicle_chart_indication() to pathway_analyzer.py
  - Variant that uses indication_df instead of directory_df
  - Groups by Trust → Search_Term → Drug → Pathway
  - Accepts indication_df mapping UPID → Indication_Group

- Add process_indication_pathway_for_date_filter() to pathway_pipeline.py
  - Processes indication-based pathway for a single date filter
  - Uses generate_icicle_chart_indication() for hierarchy building

- Add extract_indication_fields() to pathway_pipeline.py
  - Extracts trust_name, search_term, drug_sequence from ids column
  - Similar to extract_denormalized_fields() but for indication charts

- Update convert_to_records() with chart_type parameter
  - Includes chart_type column in output records
  - Supports "directory" and "indication" values

- Add ChartType type alias (Literal["directory", "indication"])

- Update __all__ exports with new functions

2026-02-05 14:32:28 +00:00

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