/*
  Content-Security-Policy: default-src 'self'; img-src 'self' data:; media-src 'self'; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; connect-src 'self'; font-src 'self' data:; frame-ancestors 'none'; base-uri 'self'; form-action 'self'; manifest-src 'self'; worker-src 'self'
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), microphone=(), payment=(), usb=()
  X-Frame-Options: DENY

# Service worker must always re-validate so fresh deploys propagate.
/sw.js
  Cache-Control: no-cache

/manifest.webmanifest
  Cache-Control: no-cache
  Content-Type: application/manifest+json