{
  "patch_version": "v3_heading_and_pronoun",
  "changes": [
    "அனுப்புநர் / பெறுநர் headings have no colon.",
    "Address/name lines under headings preserve commas as in the reference image.",
    "Added natural pronouns like நான், எனக்கு, எனது, என் in formal and informal letter body templates.",
    "Classifier, question flow, app.py, and model files are unchanged."
  ]
}