b12253

common : escape control characters in tool argument strings (#31937)

normalize_quotes_to_json copies raw control characters verbatim while
converting pythonic tool arguments to JSON, so calls like
python(code='ab') produce invalid JSON in the arguments returned to
clients; replaying that history then fails hard. Escape C0 control
characters inside quoted strings via escape_json_string_inner.

Website:

• https://llama.app

Attestations:

• https://github.com/ggml-org/llama.cpp/attestations/65944688

macOS/iOS:

• macOS Apple Silicon (arm64)
• macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED
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• UI