client-sdk-js

59f0ea85 - feat(telemetry): a JS pipeline design, and a browser that pings a collector

feat(telemetry): a JS pipeline design, and a browser that pings a collector The mobile SDKs get this from the Rust core; the browser and React Native cannot (Hermes has no WebAssembly), so the question is what to build and what to take. TELEMETRY.md answers it with measurements: the OTLP encoder is worth importing (5.2 KB gzipped), the rest of the OpenTelemetry SDK is not (23 KB against 44 KB of remaining size budget) because our trace is a scope and our batching is the upload policy. The PoC is the transport end of that: one lk.ping, both encodings, from a real Chromium at the same collector and Grafana LGTM stack the mobile harness uses. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>