fix(docs): refine header links and copy feedback

packages/www/src/docs/layouts/DocsLayout.astro

@@ -61,6 +61,9 @@ const canonical = new URL(Astro.url.pathname, "https://opencode.ai").href
                       <rect x="8" y="8" width="13" height="13" rx="2" />
                       <path d="M16 8V5a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h3" />
                     </svg>
+                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" aria-hidden="true">
+                      <path d="m5 12 4 4L19 6" />
+                    </svg>
                   </button>
                 </h1>
                 <slot />
@@ -94,15 +97,15 @@ const canonical = new URL(Astro.url.pathname, "https://opencode.ai").href
         if (!(event.target instanceof Element)) return
         const button = event.target.closest<HTMLButtonElement>("[data-copy-markdown]")
         if (!button) return
-        const response = await fetch(window.location.href, { headers: { Accept: "text/markdown" } })
-        if (!response.ok) return
-        await navigator.clipboard.writeText(await response.text())
         button.dataset.copied = "true"
         button.setAttribute("aria-label", "Copied")
         window.setTimeout(() => {
           delete button.dataset.copied
           button.setAttribute("aria-label", "Copy page as Markdown")
         }, 1500)
+        const response = await fetch(window.location.href, { headers: { Accept: "text/markdown" } })
+        if (!response.ok) return
+        await navigator.clipboard.writeText(await response.text())
       })
     </script>
   </body>

packages/www/src/docs/styles/global.css

@@ -158,8 +158,7 @@ a:hover {
   color: var(--foreground);
 }
 
-.site-header nav a[aria-current="page"] {
-  border-bottom: 1px solid;
+.site-header a:hover {
   text-decoration: none;
 }
 
@@ -1012,6 +1011,15 @@ main {
   color: var(--foreground);
 }
 
+.prose h1 button svg:last-child,
+.prose h1 button[data-copied] svg:first-child {
+  display: none;
+}
+
+.prose h1 button[data-copied] svg:last-child {
+  display: block;
+}
+
 .search-dialog {
   width: min(42rem, calc(100% - 2rem));
   max-height: min(36rem, calc(100vh - 4rem));