update index.html for sidebar layout: add sidebar.css, remove static chat HTML

Author: cboettig

index.html

@@ -41,6 +41,7 @@
     <!-- Core styles from CDN -->
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/boettiger-lab/geo-agent@6656298f5cfdd24ab9ec6b748067020dcde761cd/app/style.css">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/boettiger-lab/geo-agent@6656298f5cfdd24ab9ec6b748067020dcde761cd/app/chat.css">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/boettiger-lab/geo-agent@6656298f5cfdd24ab9ec6b748067020dcde761cd/app/sidebar.css">
 </head>
 
 <body>
@@ -50,23 +51,6 @@
     <!-- Layer controls — generated by MapManager.generateMenu() -->
     <div id="menu"></div>
 
-    
-    <!-- Chat interface -->
-    <div id="chat-container">
-        <div id="chat-header">
-            <h3>Data Assistant</h3>
-            <button id="chat-toggle" title="Toggle chat">−</button>
-        </div>
-        <div id="chat-messages"></div>
-        <div id="chat-input-container">
-            <input type="text" id="chat-input" placeholder="Ask about the data…" autocomplete="off">
-            <button id="chat-send">Send</button>
-        </div>
-        <div id="chat-footer">
-            <select id="model-selector" title="Select model"></select>
-        </div>
-    </div>
-
     <!-- Boot from CDN — pinned to boettiger-lab/geo-agent PR#165 (spec/sidebar-layout) -->
     <script type="module" src="https://cdn.jsdelivr.net/gh/boettiger-lab/geo-agent@6656298f5cfdd24ab9ec6b748067020dcde761cd/app/main.js"></script>
 </body>