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v1.2.9 — Aug 4, 2026

• Site environment is preserved end-to-end (HTML bootstrap → SDK → flush headers). Omitted environment now defaults to development instead of being forced to production.
• CDN / npm packages send X-Environment on event and replay flushes so ingest can attribute traffic correctly.

init({ token: 'YOUR_TOKEN', environment: 'production' }) // or 'development'