docs: clarify supported Pi range

docs/index.html

@@ -38,7 +38,7 @@
         "downloadUrl": "https://www.npmjs.com/package/@jmfederico/pi-web",
         "codeRepository": "https://github.com/jmfederico/pi-web",
         "description": "PI WEB is a web UI for Pi Coding Agent that keeps persistent agent sessions running in real workspaces on your machine or server.",
-        "softwareRequirements": "Node.js 22.19.0 or newer and Pi Coding Agent",
+        "softwareRequirements": "Node.js 22.19.0 or newer and Pi Coding Agent >=0.80.8 <0.81",
         "license": "https://github.com/jmfederico/pi-web/blob/main/LICENSE"
       }
     </script>

docs/install.html

@@ -107,7 +107,7 @@
               <h2>Requirements</h2>
               <ul>
                 <li><strong>Node.js 22.19.0 or newer</strong> and npm.</li>
-                <li><strong>Pi Coding Agent</strong> installed/configured so the <code>pi</code> command works for your user.</li>
+                <li><strong>Pi Coding Agent <code>&gt;=0.80.8 &lt;0.81</code></strong> installed/configured so the <code>pi</code> command works for your user.</li>
                 <li>A shell login environment that exposes Node, npm, Pi, git, and any tools your agents need.</li>
                 <li>For the automatic installer: a supported per-user service manager.</li>
               </ul>