feat: add Marketplace install link for VS Code extension

Update integration card to link directly to the Marketplace with an
"Install" CTA, and remove "coming soon" from the getting-started docs.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: coreydaley

content/docs/integrations/vscode-polyphon/getting-started.md

@@ -18,9 +18,9 @@ The Polyphon extension for VS Code lets you run multi-voice AI conversations dir
 
 ## Installation
 
-### VS Code Marketplace *(coming soon)*
+### VS Code Marketplace
 
-Search for **Polyphon** in the Extensions panel (`Cmd/Ctrl+Shift+X`) or visit the VS Code Marketplace page.
+Search for **Polyphon** in the Extensions panel (`Cmd/Ctrl+Shift+X`), or install directly from the [VS Code Marketplace](https://marketplace.visualstudio.com/items?itemName=polyphon-ai.vscode-polyphon).
 
 ### Manual installation (VSIX)
 

themes/polyphon/layouts/index.html

@@ -708,20 +708,20 @@ <h2 class="integrations-heading">Polyphon,<br>wherever you work</h2>
         </div>
       </a>
 
-      <a class="integration-plug" href="/docs/integrations/vscode-polyphon/" style="--plug-color: var(--integration-vscode); --plug-subtle: var(--integration-vscode-subtle)">
+      <a class="integration-plug" href="https://marketplace.visualstudio.com/items?itemName=polyphon-ai.vscode-polyphon" style="--plug-color: var(--integration-vscode); --plug-subtle: var(--integration-vscode-subtle)">
         <div class="integration-plug-icon" aria-hidden="true">
           {{- partial "provider-logo.html" (dict "name" "vscode" "size" 28) -}}
         </div>
         <div class="integration-plug-body">
           <div class="integration-plug-meta">
             <span class="integration-plug-name">VS Code</span>
             <span class="integration-plug-type">Extension</span>
-            <span class="integration-plug-badge">Manual install</span>
+            <span class="integration-plug-badge">Marketplace</span>
           </div>
           <p class="integration-plug-desc">Multi-voice AI conversations inside your editor, with full awareness of your open file, selection, and diagnostics. Connect to a running Polyphon instance without leaving VS Code.</p>
         </div>
         <div class="integration-plug-cta" aria-hidden="true">
-          <span>Docs</span>
+          <span>Install</span>
           {{ partial "icon.html" (dict "name" "arrow-right" "size" 15) }}
         </div>
       </a>