{
  "module": "mail_intake.parsers.subject",
  "content": {
    "path": "mail_intake.parsers.subject",
    "docstring": "Subject line normalization utilities for Mail Intake.\n\nThis module provides helper functions for normalizing email subject lines\nto enable reliable thread-level comparison and grouping.\n\nNormalization is intentionally conservative to avoid altering semantic\nmeaning while removing common reply and forward prefixes.",
    "objects": {
      "re": {
        "name": "re",
        "kind": "alias",
        "path": "mail_intake.parsers.subject.re",
        "signature": "<bound method Alias.signature of Alias('re', 're')>",
        "docstring": null
      },
      "normalize_subject": {
        "name": "normalize_subject",
        "kind": "function",
        "path": "mail_intake.parsers.subject.normalize_subject",
        "signature": "<bound method Function.signature of Function('normalize_subject', 18, 52)>",
        "docstring": "Normalize an email subject for thread-level comparison.\n\nOperations:\n- Strips common prefixes such as ``Re:``, ``Fwd:``, and ``FW:``\n- Repeats prefix stripping to handle stacked prefixes\n- Collapses excessive whitespace\n- Preserves original casing (no lowercasing)\n\nThis function is intentionally conservative and avoids aggressive\ntransformations that could alter the semantic meaning of the subject.\n\nArgs:\n    subject: Raw subject line from a message header.\n\nReturns:\n    Normalized subject string suitable for thread grouping."
      }
    }
  }
}