Parse raw podcast transcripts and generate clean JSON for episode frontmatter.
Map generic speaker labels to actual names:
JSON files: Save to src/_data/transcripts/episode-name.json
src/_data/transcripts/episode-name.json
Episode frontmatter: Add transcriptFile: episode-name.json
transcriptFile: episode-name.json
Example filename: episode-11-2-balance.json
episode-11-2-balance.json