fix: closures must eagerly load all module-level vars, not walker-filtered subset

impl: Math.cbrt/hypot/fround/clz32/expm1/log1p/sinh+family, Date methods, String.at/codePointAt (partial)

refactor(geisterhand): simplify /widgets route, hoist label lowercasing, dedupe request helpers

feat(geisterhand): add widget tree hierarchy and iOS value reading

feat(geisterhand): fix /type on non-Windows, add /wait and /value endpoints

test: gap tests for proxy/reflect, class advanced, fetch/response, weakref

test: gap tests for node.js fs, path, process, crypto, buffer

test: gap tests for globals, console, encoding, timers

test: gap tests for array, string, object methods

test: gap tests for error, date, json, number, regexp

test: gap tests for generators, symbols, async advanced

feat(geisterhand): add /key, /scroll endpoints, widget filtering, iOS parity, accessibility bridge

fix: event loop GC via threshold-based gc_check_trigger_export

docs: comprehensive TypeScript/Node.js parity gap analysis

fix: boxed array loops, polymorphic dispatch, fs.existsSync booleans (v0.4.56)