docs: add Anthropic subscription warning and update feature list to highlight GitHub Copilot (#9721)

packages/web/src/components/Lander.astro

@@ -77,7 +77,7 @@ if (image) {
         <li><b>LSP enabled</b>: Automatically loads the right LSPs for the LLM.</li>
         <li><b>Multi-session</b>: Start multiple agents in parallel on the same project.</li>
         <li><b>Shareable links</b>: Share a link to any sessions for reference or to debug.</li>
-        <li><b>Claude Pro</b>: Log in with Anthropic to use your Claude Pro or Max account.</li>
+        <li><b>GitHub Copilot</b>: Log in with GitHub to use your Copilot account.</li>
         <li><b>ChatGPT Plus/Pro</b>: Log in with OpenAI to use your ChatGPT Plus or Pro account.</li>
         <li><b>Use any model</b>: Supports 75+ LLM providers through <a href="https://models.dev">Models.dev</a>, including local models.</li>
       </ul>

packages/web/src/content/docs/providers.mdx

@@ -235,6 +235,10 @@ To use Amazon Bedrock with OpenCode:
 
 We recommend signing up for [Claude Pro](https://www.anthropic.com/news/claude-pro) or [Max](https://www.anthropic.com/max).
 
+:::info
+We've received reports of some users having their subscriptions blocked while using it with OpenCode.
+:::
+
 1. Once you've signed up, run the `/connect` command and select Anthropic.
 
    ```txt