Add TestMu 2026 and AI Engineer 2026 talks

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WjGzwT5AJLYjJ2gMnvNkQC

Author: Mahesh Sathiamoorthy

index.html

@@ -100,6 +100,8 @@ <h2 class="section-title">Selected Publications</h2>
     <div class="container">
         <h2 class="section-title">Recent Talks</h2>
         <ol class="talk-list">
+            <li>RL Environments are all you need: <a href="https://www.testmuai.com/testmuconf-2026/">TestMu 2026</a>, August 2026</li>
+            <li>Data and Environment Curation for Post-training LLMs: <a href="https://ai.engineer/worldsfair/2026">AI Engineer 2026</a>, June 2026</li>
             <li>Panel on "Architecting and Orchestrating Agentic AI": BlackRock SF Applied AI Forum, May 2026</li>
             <li>Panel on "Beyond Evals: Post-Training Agents in the Sandbox Era": Snowflake, April 2026</li>
             <li>Pushing the frontier forward: UC Berkeley, March 2026</li>