Add copy buttons to code blocks and tool input and output

web/dist/markdown.js

@@ -1,4 +1,4 @@
-import { h } from "./dom.js";
+import { copyable, h } from "./dom.js";
 import { diagram } from "./mermaid.js";
 import { taskStyle } from "./taskcolor.js";
 const choiceMarker = /^(\([ *]\)|\[[ xX]\])\s+(\S.*?)\s*$/;
@@ -37,7 +37,7 @@ function blocks(lines, opts) {
                 i++;
             }
             i++;
-            out.push(f[2].toLowerCase() === "mermaid" ? diagram(body.join("\n")) : h("pre", { class: "md-code" }, h("code", {}, body.join("\n"))));
+            out.push(f[2].toLowerCase() === "mermaid" ? diagram(body.join("\n")) : copyable(h("pre", { class: "md-code" }, h("code", {}, body.join("\n")))));
             continue;
         }
         if (detailsClose.test(line)) {