“Does your agent know what it doesn’t know?” has no answer. It has a coordinate.

<p><em>Part 3 of **The Answerability Problem</em><em>. <a href="https://dev.to/gde03/the-ai-memory-benchmark-everyone-quotes-forbids-saying-i-dont-know-o1n">Part 1</a> showed the standard harness excl...