Agent Platform: reword OpenAI endpoint bullet — lead with Imperator access

"The primary access path to the Imperator, provided via the
industry-standard OpenAI-compatible endpoint protocol."

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: rmdevpro

open-source/agent-platform.html

@@ -108,7 +108,7 @@ <h3>Imperator Managed Agentic Service</h3>
       <h3>Interfaces</h3>
       <ul>
         <li><b>MCP tool interface</b> — ten-plus tools agents can call directly</li>
-        <li><b>OpenAI-compatible chat endpoint</b> — drop-in for anything that speaks the OpenAI API; also the primary access path to the Imperator</li>
+        <li><b>OpenAI-compatible chat endpoint</b> — the primary access path to the Imperator, provided via the industry-standard OpenAI-compatible endpoint protocol</li>
         <li><b>Bundled chatbot UI</b> — a lightweight web interface shipped with the Broker for talking to the Imperator directly</li>
       </ul>