perf(*): guided optimzaiton from WAF use cases#3
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- lower regex match and replace through SSA native helpers - keep literal string helpers inside hot traces - preserve tagged equality for dynamic string comparisons - cover native specialization and move semantics
- overload string_replace_literal for parallel string arrays - preserve replacement order and validate array shapes - expose display conversion for native JIT helpers - add stdlib coverage for replacement sequences
- add checked tagged-value length lowering - specialize ordered literal replacement arrays - fold known type and display conversions inside traces - trust proven unboxed numeric SSA representations over stale hints - add focused recorder and end-to-end JIT coverage
Allow workload diagnostics to attribute hot call-boundary exits to their bytecode instruction.
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