Rename: Hamlet -> Ham Lab (binary/module/service/config hamlab)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

web/src/Login.tsx

@@ -17,7 +17,7 @@ export default function Login({ onLogin }: { onLogin: () => void }) {
   return (
     <div className="center">
       <form className="login" onSubmit={submit}>
-        <h1>Hamlet</h1>
+        <h1>Ham Lab</h1>
         <input type="password" autoFocus autoComplete="current-password" placeholder="password"
           value={pw} onChange={(e) => setPw(e.target.value)} />
         <button disabled={busy || !pw}>{busy ? '…' : 'Sign in'}</button>

web/src/Shell.tsx

@@ -56,7 +56,7 @@ export default function Shell({ me, onLoggedOut }: { me: Me; onLoggedOut: () =>
     <div className={'app' + (drawer ? ' drawer-open' : '')}>
       <header className="header">
         <button className="icon-btn menu" onClick={() => setDrawer(!drawer)} aria-label="menu">☰</button>
-        <span className="brand">Hamlet</span>
+        <span className="brand">Ham Lab</span>
         <span className="host">{me.user}@{me.host}</span>
         <span className="spacer" />
         <span className="stat" title="load average">{me.load}</span>