Will Anderson
e858eab300
Status updated from Phase 4 ~80% to Phase 5 ~90%. New sections: - 7. Language features coverage table (supported vs stubbed) - 7a. Phase 5 constructs: extern fn, anonymous functions, try/catch, method call on Any, URL imports -- each with emit shape examples - 9. Roadmap updated: Phases 1-5 marked DONE, Phase 6 unblocked Runtime builtin table updated to ~90 builtins including all Phase 5 additions (promise_then/catch/resolve/reject, object_assign/keys/values, json_deep_clone, array_from, type_of, instanceof_check).