Add static My Phast owner surface

my/index.html

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+<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<title>My Phast</title>
+<style>
+:root{--paper:#f5f3ee;--ink:#121211;--muted:#77746c;--line:rgba(18,18,17,.15);--signal:#ff4d00}
+*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
+main{width:min(920px,calc(100% - 40px));margin:0 auto;padding:42px 0 70px}
+.top{display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{font-size:30px;font-weight:750;letter-spacing:-.06em}.dot{color:var(--signal)}
+.badge{font:12px ui-monospace,monospace;border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:var(--muted)}
+h1{font-size:clamp(48px,8vw,92px);letter-spacing:-.07em;line-height:.9;margin:80px 0 18px}.lede{font-size:18px;color:var(--muted);max-width:640px;line-height:1.55}
+.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:48px}.card{border:1px solid var(--line);padding:24px;min-height:180px}.card h2{margin:0 0 12px;font-size:18px}.card p{color:var(--muted);line-height:1.5}
+code{font-family:ui-monospace,monospace;font-size:13px}.footer{margin-top:42px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font:12px ui-monospace,monospace}
+@media(max-width:700px){.grid{grid-template-columns:1fr}}
+</style>
+</head>
+<body>
+<main>
+<div class="top"><a class="brand" href="https://phast.app">phast<span class="dot">.</span></a><span class="badge">read-only prototype</span></div>
+<h1>My Phast</h1>
+<p class="lede">Owner control-plane prototype. Phast now lives in <code>matcha/phast</code> and is served from the Teahub Gitea/Pages machine instead of the shared Boring runtime.</p>
+<div class="grid">
+  <section class="card"><h2>Apps</h2><p>No apps are registered yet.</p></section>
+  <section class="card"><h2>Control-plane readiness</h2><p>The previous runtime-backed mutation path has been retired. A live MCP/control backend should be reintroduced only from the canonical Phast source, not by embedding it in Boring.</p></section>
+</div>
+<div class="footer">human surface: my.phast.app · source: matcha/phast</div>
+</main>
+</body>
+</html>