function fromWindow() {
    const isHttps = typeof window !== 'undefined' && window.location.protocol === 'https:'
    return {
        host: (typeof window !== 'undefined' && window.location.hostname) || '127.0.0.1',
        port: isHttps ? 443 : 80,
        scheme: isHttps ? 'https' : 'http',
        path: '/ws',
        key: import.meta?.env?.VITE_REVERB_APP_KEY || ''
    }
}
const meta = readMetaConfig()
const fallback = readViteEnv()
const base = meta ?? fallback ?? fromWindow()

// harte Korrektur: NIEMALS 8080 nach außen geben
if (Number(base.port) === 8080 && (base.scheme || 'https').startsWith('http')) {
    base.port = (base.scheme === 'https') ? 443 : 80
}