- Added automatic cleaning of literal escape sequences (`\n`, `\t`, `\r`) in JSON parsing to handle LLM encoding confusion.
- Added support for healing JSON with trailing junk after balanced containers (e.g., `]\n</invoke>`).
- Implemented `cleanLiteralEscapes()` function to distinguish between literal backslash sequences outside JSON strings and actual escape sequences within strings.
- Added 2 test cases validating escape sequence cleaning and trailing junk recovery in tool argument coercion.
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