Computes a deterministic, browser-safe 64-bit FNV-1a contract fingerprint (ro_fp_<16-hex>)
from an operation's structural contract metadata. Whitespace runs inside type definitions are
collapsed so CRLF vs LF formatting differences never trigger false mismatches.
Computes a deterministic, browser-safe 64-bit FNV-1a contract fingerprint (
ro_fp_<16-hex>) from an operation's structural contract metadata. Whitespace runs inside type definitions are collapsed so CRLF vs LF formatting differences never trigger false mismatches.