http://programmer.ie/tags/trajectory-learning/ Recent content in Trajectory Learning on Programmer.ie: Modern AI programming Hugo en-us Sun, 09 Aug 2026 10:33:00 +0100 http://programmer.ie/post/advanced-agents-from-first-principles-14/ Sun, 09 Aug 2026 10:33:00 +0100 http://programmer.ie/post/advanced-agents-from-first-principles-14/ <p>An advanced agent now leaves behind something extremely valuable:</p> <p><strong>evidence.</strong></p> <p>Not merely chat history.</p> <p>Not merely model outputs.</p> <p>Not merely traces.</p> <p>A sufficiently instrumented system can record:</p> <ul> <li>what state it was in,</li> <li>what alternatives it considered,</li> <li>which route it selected,</li> <li>what branches it pruned,</li> <li>which model or specialist it escalated to,</li> <li>which tools it called,</li> <li>which critic changed the answer,</li> <li>what verification evidence was produced,</li> <li>how much compute was spent,</li> <li>and whether the final result actually passed.</li> </ul> <p>That immediately suggests a tempting idea:</p>