* 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>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>