Wasm vs JS Interaction Benchmark

Isolating the raw Wasm-to-JS boundary cost ("Trampolining") and comparing it against the heavy cost of DOM updates.

Iterations Experiment A: Boundary Overhead
(Empty Call - Pure Trampoline Cost)
Experiment B: Real Workload
(DOM Update - Heavy Payload)
JS Direct Wasm -> JS Factor JS Direct Wasm -> JS Factor
Live DOM Target: