~22% of Ir in glibc float serialization (__printf_fp, cJSON print_number)
and parsing (strtod/str_to_mpn, cJSON parse_number), plus parse_value/
parse_string and malloc/free churn. Ample headroom (SPEC §6).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EcKPWQ3MQD4NdEHwar96u2