/**
 * Sentry client-side init.
 *
 * No-op when `NEXT_PUBLIC_SENTRY_DSN` is unset — Sentry stays
 * shipped-but-dormant in dev. Production sets the DSN via the
 * deploy env. Sampling rate is env-driven via
 * `SENTRY_TRACES_SAMPLE_RATE` (defaults to 0.1 = 10% of transactions
 * to avoid quota burn).
 */

import * as Sentry from '@sentry/nextjs';

const dsn = process.env.NEXT_PUBLIC_SENTRY_DSN;

if (dsn) {
  Sentry.init({
    dsn,
    environment: process.env.SENTRY_ENVIRONMENT ?? process.env.NODE_ENV,
    tracesSampleRate: Number(process.env.SENTRY_TRACES_SAMPLE_RATE ?? 0.1),
    // Replay is opt-in — we'd need to verify privacy implications
    // before enabling. Leave disabled by default.
    replaysOnErrorSampleRate: 0,
    replaysSessionSampleRate: 0,
  });
}