export type LoopbackAuthorizationStage = "dev" | "nightly" | "latest"; declare const __T3CODE_BUILD_CHANNEL__: "nightly" | "latest" | undefined; export function resolveLoopbackAuthorizationStage(): LoopbackAuthorizationStage {  return typeof __T3CODE_BUILD_CHANNEL__ === "undefined" ? "dev" : __T3CODE_BUILD_CHANNEL__;} const stageBrands = {  dev: "T3 Code (Dev)",  nightly: "T3 Code (Nightly)",  latest: "T3 Code",} as const satisfies Record<LoopbackAuthorizationStage, string>; export function renderLoopbackAuthorizationCompleteHtml(  stage: LoopbackAuthorizationStage = resolveLoopbackAuthorizationStage(),): string {  const stageBrand = stageBrands[stage];   return `<!doctype html><html lang="en">  <head>    <meta charset="utf-8" />    <meta name="viewport" content="width=device-width, initial-scale=1" />    <meta name="color-scheme" content="light dark" />    <title>T3 Connect authorization complete</title>    <style>      :root {        color-scheme: light dark;        font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;        background: #f6f7f9;        color: #17191f;      }      * { box-sizing: border-box; }      body {        min-height: 100vh;        margin: 0;        display: grid;        place-items: center;        padding: 32px 16px;        background:          radial-gradient(48rem 22rem at 50% -8rem, rgba(47, 119, 235, 0.15), transparent),          #f6f7f9;      }      main {        width: min(100%, 576px);        overflow: hidden;        border: 1px solid rgba(23, 25, 31, 0.1);        border-radius: 20px;        background: rgba(255, 255, 255, 0.94);        box-shadow: 0 24px 64px rgba(16, 24, 40, 0.16);      }      .stage {        position: relative;        height: 96px;        overflow: hidden;        padding: 22px 24px;        color: white;      }      .stage-latest {        background:          radial-gradient(circle at 76% 18%, rgba(136, 204, 255, 0.52), transparent 38%),          linear-gradient(135deg, #2468df, #172f82);      }      .stage-dev {        background: linear-gradient(145deg, #5ab8fa 0%, #347ff8 46%, #1939bd 100%);      }      .stage-dev::before {        content: "";        position: absolute;        inset: 0;        opacity: 0.42;        background-image:          linear-gradient(rgba(234, 246, 255, 0.25) 1px, transparent 1px),          linear-gradient(90deg, rgba(234, 246, 255, 0.25) 1px, transparent 1px),          linear-gradient(rgba(234, 246, 255, 0.12) 1px, transparent 1px),          linear-gradient(90deg, rgba(234, 246, 255, 0.12) 1px, transparent 1px);        background-size: 32px 32px, 32px 32px, 8px 8px, 8px 8px;      }      .stage-nightly {        background:          radial-gradient(22rem 8rem at 78% 18%, rgba(81, 101, 216, 0.42), transparent 58%),          linear-gradient(145deg, #07152f 0%, #151443 52%, #32155b 100%);      }      .stage-nightly::before {        content: "";        position: absolute;        inset: 0;        opacity: 0.78;        background-image:          radial-gradient(circle at 12px 12px, rgba(228, 234, 255, 0.9) 0 1px, transparent 1.5px),          radial-gradient(circle at 38px 28px, rgba(228, 234, 255, 0.58) 0 0.8px, transparent 1.3px),          radial-gradient(circle at 58px 9px, rgba(200, 215, 255, 0.72) 0 0.9px, transparent 1.4px);        background-size: 72px 48px, 96px 64px, 128px 56px;      }      .stage::after {        content: "";        position: absolute;        inset: 0;        background:          radial-gradient(circle at 78% 20%, rgba(210, 255, 255, 0.36), transparent 34%),          linear-gradient(to bottom, transparent 24%, rgba(8, 28, 89, 0.38));      }      .stage-content {        position: relative;        z-index: 1;        height: 100%;        display: flex;        align-items: center;        justify-content: space-between;      }      .brand {        margin: 0;        font-size: 10px;        font-weight: 700;        letter-spacing: 0.2em;        text-transform: uppercase;      }      .brand { color: rgba(255, 255, 255, 0.82); }      .content { padding: 30px 32px 34px; }      .eyebrow {        margin: 0 0 8px;        color: #2866cc;        font-size: 10px;        font-weight: 700;        letter-spacing: 0.18em;        text-transform: uppercase;      }      h1 { margin: 0; font-size: clamp(26px, 5vw, 34px); line-height: 1.12; letter-spacing: -0.035em; }      .description { margin: 12px 0 0; color: #646975; font-size: 15px; line-height: 1.6; }      @media (prefers-color-scheme: dark) {        :root { background: #101115; color: #f1f3f7; }        body { background: radial-gradient(48rem 22rem at 50% -8rem, rgba(55, 102, 210, 0.2), transparent), #101115; }        main { border-color: rgba(255, 255, 255, 0.1); background: rgba(25, 27, 33, 0.96); }        .eyebrow { color: #77a8ff; }        .description { color: #a8adb8; }      }    </style>  </head>  <body>    <main>      <header class="stage stage-${stage}" data-stage="${stage}">        <div class="stage-content">          <p class="brand">${stageBrand}</p>        </div>      </header>      <section class="content">        <p class="eyebrow">Browser authorization complete</p>        <h1>You're connected</h1>        <p class="description">Return to your terminal to finish setting up T3 Connect. You can close this window.</p>      </section>    </main>  </body></html>`;}