Function generate_analysis_with_map_reduce 

pub fn generate_analysis_with_map_reduce<'a>(
    stat: &'a str,
    diff: &'a str,
    model_name: &'a str,
    scope_candidates_str: &'a str,
    ctx: &AnalysisContext<'a>,
    config: &'a CommitConfig,
    counter: &TokenCounter,
) -> Result<ConventionalAnalysis>

Generate conventional commit analysis, using map-reduce for large diffs

This is the main entry point for analysis. It automatically routes to map-reduce when the diff exceeds the configured token threshold.