<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Layer 2 on Tech Foundations</title><link>https://valery.tech/ai-engineering/causal-stack/layer-2/</link><description>Recent content in Layer 2 on Tech Foundations</description><generator>Hugo</generator><language>en-US</language><copyright>Copyright (c) 2014-2023</copyright><atom:link href="https://valery.tech/ai-engineering/causal-stack/layer-2/index.xml" rel="self" type="application/rss+xml"/><item><title>Evaluation Method Reference</title><link>https://valery.tech/ai-engineering/causal-stack/layer-2/evaluation-method-reference/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://valery.tech/ai-engineering/causal-stack/layer-2/evaluation-method-reference/</guid><description>&lt;h2 id="purpose"&gt;Purpose&lt;/h2&gt;
&lt;p&gt;The Evaluation-Method View classifies Layer 2 fault modes by the evaluation methods needed to detect, measure, compare, or gate them.&lt;/p&gt;</description></item><item><title>Failure Operators</title><link>https://valery.tech/ai-engineering/causal-stack/layer-2/failure-operators/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://valery.tech/ai-engineering/causal-stack/layer-2/failure-operators/</guid><description>&lt;p&gt;Status: draft&lt;/p&gt;
&lt;p&gt;Layer: Layer 2 product-facing classification vocabulary&lt;/p&gt;
&lt;p&gt;Intended users: product engineers, AI engineers, evaluators, incident reviewers, reliability owners, and control designers&lt;/p&gt;</description></item><item><title>Fault Family Index</title><link>https://valery.tech/ai-engineering/causal-stack/layer-2/fault-family-index/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://valery.tech/ai-engineering/causal-stack/layer-2/fault-family-index/</guid><description>&lt;h1 id="layer-2--fault-family-index"&gt;Layer 2 &amp;ndash; Fault Family Index&lt;/h1&gt;
&lt;p&gt;Canonical atomic fault definitions live in &lt;code&gt;fault-inventory.md&lt;/code&gt;.&lt;/p&gt;
&lt;h2 id="purpose"&gt;Purpose&lt;/h2&gt;
&lt;p&gt;This document defines broad, non-exclusive &lt;strong&gt;fault families&lt;/strong&gt; for Layer 2.&lt;/p&gt;</description></item><item><title>Product Fault Families</title><link>https://valery.tech/ai-engineering/causal-stack/layer-2/product-fault-families/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://valery.tech/ai-engineering/causal-stack/layer-2/product-fault-families/</guid><description>&lt;p&gt;Status: draft&lt;/p&gt;
&lt;p&gt;Layer: Layer 2 product-facing classification view&lt;/p&gt;
&lt;p&gt;Intended users: product engineers, AI engineers, evaluators, incident reviewers, and reliability owners&lt;/p&gt;</description></item><item><title>Semantic Fault Family Index</title><link>https://valery.tech/ai-engineering/causal-stack/layer-2/semantic-fault-family-index/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://valery.tech/ai-engineering/causal-stack/layer-2/semantic-fault-family-index/</guid><description>&lt;p&gt;Status: proposed standalone semantic/analytical taxonomy.&lt;/p&gt;
&lt;p&gt;This document defines semantic fault families for AI-system behavior. It is designed for conceptual diagnosis, evaluation planning, incident analysis, and test-suite design.&lt;/p&gt;</description></item></channel></rss>