* chore: disable PostHog telemetry in development mode Skip posthog.init() when import.meta.env.DEV is true to avoid sending telemetry data during local development. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * Apply suggestions from code review Co-authored-by: Rin <shinohara-rin@users.noreply.github.com> --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>