diff --git a/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html b/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html
index 64d8b2e..4bbc2d1 100644
--- a/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html
+++ b/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html
@@ -459,9 +459,19 @@
     </div>
 
     <!-- ============================================================ -->
-    <!-- SLIDE 4: Boris Three-Tweets GIF                               -->
+    <!-- SLIDE 7: Audience Question — GPT vs ChatGPT                  -->
     <!-- ============================================================ -->
     <div class="slide" data-slide="7">
+        <div style="display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 80vh; text-align: center;">
+            <h1 style="border-bottom: none; padding-bottom: 0; font-size: 3rem; font-weight: 700; color: #1a1a1a; margin-bottom: 20px;">Difference between GPT and ChatGPT?</h1>
+            <p style="font-size: 0.95rem; color: #bbb; margin: 0; letter-spacing: 0.05em; text-transform: uppercase;">discuss</p>
+        </div>
+    </div>
+
+    <!-- ============================================================ -->
+    <!-- SLIDE 8: Boris Three-Tweets GIF (was SLIDE 4)                 -->
+    <!-- ============================================================ -->
+    <div class="slide" data-slide="8">
         <div style="display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 80vh; text-align: center;">
             <figure style="max-width: 900px; width: 100%;">
                 <img src="../../!/root/boris-slider.gif" alt="Boris Cherny slides showing the spectrum of Claude Code usage styles" style="width: 100%; border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,0.12);" />
@@ -476,7 +486,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 6: Model + Harness (Brain + Body)                      -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="8">
+    <div class="slide" data-slide="9">
         <div style="display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 75vh; text-align: center;">
             <h1 style="border-bottom: none; padding-bottom: 0; font-size: 3rem; margin-bottom: 28px;">What is Claude Code?</h1>
             <p style="font-size: 1.4rem; color: #555; margin: 0; max-width: 900px;"><strong>Model</strong> (Brain &#x1F9E0; &mdash; e.g. Opus, GPT) <span style="color: #999; margin: 0 10px;">+</span> <strong>Harness</strong> (Body &#x1F4AA; &mdash; e.g. tools, MCP, memory)</p>
@@ -486,7 +496,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 9: Models — Can answer / Can't answer                  -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="9">
+    <div class="slide" data-slide="10">
 
         <!-- Headline -->
         <div style="text-align: center; margin-bottom: 36px;">
@@ -545,7 +555,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 10: Model Limitations &mdash; Real-time access          -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="10">
+    <div class="slide" data-slide="11">
         <h1>&#x1F9E0; Models &mdash; e.g. Opus, GPT, Gemini</h1>
         <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 40px 0;">
             <div class="col-card" style="border-left: 4px solid #4caf50;">
@@ -585,7 +595,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 9: Model Limitations &mdash; Real-time access           -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="11">
+    <div class="slide" data-slide="12">
         <h1>&#x1F9E0; Limitations</h1>
         <p>The raw model has <strong>no real-time access</strong> &mdash; no internet, no files, no clock.</p>
         <div style="text-align: center; margin: 24px 0;">
@@ -596,7 +606,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 10: Harness (1 of 2) &mdash; mind, methods, memory       -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="12">
+    <div class="slide" data-slide="13">
         <h1>&#x1F4AA; Harness &mdash; the body around the brain</h1>
         <div style="display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin: 28px 0;">
             <div class="col-card" style="flex: 0 1 calc(33.333% - 12px); border-left: 4px solid #009688; text-align: center;">
@@ -648,7 +658,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 11: Harness (2 of 2) &mdash; senses, rules, reflexes     -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="13">
+    <div class="slide" data-slide="14">
         <h1>&#x1F4AA; Harness &mdash; the body around the brain</h1>
         <div style="display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin: 28px 0;">
             <div class="col-card" style="flex: 0 1 calc(33.333% - 12px); border-left: 4px solid #4caf50; text-align: center;">
@@ -678,7 +688,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 12: Problem solved with harness &mdash; success case     -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="14">
+    <div class="slide" data-slide="15">
         <h1>&#x1F389; Yayyyyy! Problem solved with harness</h1>
         <p>The harness reaches out via <strong>WebSearch</strong> and fetches a real answer from live sources.</p>
         <div style="text-align: center; margin: 24px 0;">
@@ -689,7 +699,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 13: Suspense / transition &mdash; But...?                -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="15">
+    <div class="slide" data-slide="16">
         <div style="display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 75vh; text-align: center;">
             <div style="font-size: 12rem; color: #3f51b5; line-height: 1; font-weight: 700;">?</div>
             <p style="font-size: 1.6rem; color: #555; margin: 24px 0 0; max-width: 900px; font-weight: 600;">Really?</p>
@@ -699,7 +709,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 14: Non-determinism 1 &mdash; Refuses to use tools       -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="16">
+    <div class="slide" data-slide="17">
         <h1>&#x1F4AA; Non-determinism &mdash; Doesn&rsquo;t always use its tools</h1>
         <p>Similar prompt &mdash; but this time <strong>the model decided not to use the tool</strong>.</p>
         <div style="text-align: center; margin: 24px 0;">
@@ -710,7 +720,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 15: Non-determinism 2 &mdash; Tools can fail             -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="17">
+    <div class="slide" data-slide="18">
         <h1>&#x1F4AA; Non-determinism &mdash; Tools can fail</h1>
         <p>The model first tried <strong>one source</strong> &mdash; it <strong>failed (403)</strong> &mdash; so it fell back to <strong>another</strong>.</p>
         <div style="text-align: center; margin: 24px 0;">
@@ -721,7 +731,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 18: The Two Problems &mdash; what we're solving          -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="18">
+    <div class="slide" data-slide="19">
         <h1>The Two Problems</h1>
         <p style="text-align: center; color: #666; font-style: italic; margin: 0 0 40px; font-size: 1.1rem;">These are the two problems we&rsquo;re trying to solve.</p>
         <div style="max-width: 900px;">
@@ -739,7 +749,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 19: Vibe Coding &mdash; Karpathy&rsquo;s original tweet  -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="19">
+    <div class="slide" data-slide="20">
         <h1>Vibe Coding</h1>
         <p style="text-align: center; color: #666; margin: 0 0 20px; font-size: 1.05rem;"><strong>Andrej Karpathy</strong> &mdash; OpenAI founding team &middot; former Director of AI at Tesla &middot; founder of Eureka Labs.</p>
         <div style="text-align: center; margin: 16px 0;">
@@ -750,7 +760,7 @@
     <!-- ============================================================ -->
     <!-- SLIDE 6: Vibe Coding vs Agentic Engineering                   -->
     <!-- ============================================================ -->
-    <div class="slide" data-slide="20">
+    <div class="slide" data-slide="21">
         <h1>Vibe Coding vs Agentic Engineering</h1>
         <div class="two-col">
             <div>
@@ -821,14 +831,14 @@ todoapp/
     <!-- ============================================================ -->
 
     <!-- Slide 8: Agents Section Divider -->
-    <div class="slide section-slide" data-slide="21" data-level="agents">
+    <div class="slide section-slide" data-slide="22" data-level="agents">
         <div class="section-number">Topic 1</div>
         <h1>&#x1F464; Agents &mdash; The Weather Reporter</h1>
         <p class="section-desc">An agent is Claude playing a specific role. Meet the <strong>weather reporter</strong> &mdash; a specialist hired to fetch and report weather data for Dubai. Same Claude, different hat.</p>
     </div>
 
     <!-- Slide 9: The Restaurant Kitchen -->
-    <div class="slide" data-slide="22">
+    <div class="slide" data-slide="23">
         <h1>The Restaurant Kitchen</h1>
         <div class="analogy-box">
             <h4>Think of it like this</h4>
@@ -851,7 +861,7 @@ todoapp/
     </div>
 
     <!-- Slide 10: Prompting vs Agent table -->
-    <div class="slide" data-slide="23">
+    <div class="slide" data-slide="24">
         <h1>Prompting vs. Agent &mdash; Side by Side</h1>
         <p>The difference in one picture: <strong>prompting is asking a stranger on the street; using an agent is asking your dedicated specialist.</strong></p>
         <table>
@@ -892,7 +902,7 @@ todoapp/
     </div>
 
     <!-- Slide 11: Agents Get Their Own Brain -->
-    <div class="slide" data-slide="24">
+    <div class="slide" data-slide="25">
         <h1>Agents Get Their Own Brain</h1>
         <div class="info-box">
             <h4>Tip from Thariq (Anthropic) &mdash; Apr 16, 2026</h4>
@@ -925,7 +935,7 @@ todoapp/
     </div>
 
     <!-- Slide 12: How to Create an Agent -->
-    <div class="slide" data-slide="25">
+    <div class="slide" data-slide="26">
         <h1>How to Create Your Own Agent</h1>
         <p>You don't write an agent from scratch &mdash; Claude helps you build one. Type <code>/agents</code> inside Claude Code and a guided menu opens.</p>
         <div class="how-to-trigger">
@@ -968,7 +978,7 @@ todoapp/
     </div>
 
     <!-- Slide 13: Agent Config Fields -->
-    <div class="slide" data-slide="26">
+    <div class="slide" data-slide="27">
         <h1>Agent Config Fields</h1>
         <p>The config block at the top of an agent file controls its identity and capabilities. Here's what the real <code>weather-agent.md</code> uses:</p>
         <div style="margin: 24px 0;">
@@ -1016,14 +1026,14 @@ todoapp/
     <!-- ============================================================ -->
 
     <!-- Slide 14: Skills Section Divider -->
-    <div class="slide section-slide" data-slide="27" data-level="skills">
+    <div class="slide section-slide" data-slide="28" data-level="skills">
         <div class="section-number">Topic 2</div>
         <h1>&#x1F393; Skills &mdash; What the Weather Reporter Knows</h1>
         <p class="section-desc">Skills are the specific things the reporter has been trained to do. Our reporter has two: <strong>fetch the data</strong>, and <strong>render it as a card</strong>.</p>
     </div>
 
     <!-- Slide 15: The Training Manual -->
-    <div class="slide" data-slide="28">
+    <div class="slide" data-slide="29">
         <h1>The Training Manual</h1>
         <div class="analogy-box">
             <h4>Think of it like this</h4>
@@ -1050,7 +1060,7 @@ todoapp/
     </div>
 
     <!-- Slide 16: When to Turn Something Into a Skill -->
-    <div class="slide" data-slide="29">
+    <div class="slide" data-slide="30">
         <h1>When to Turn Something Into a Skill</h1>
         <div class="info-box">
             <h4>Tip from Boris Cherny (creator of Claude Code) &mdash; Feb 1, 2026</h4>
@@ -1087,7 +1097,7 @@ todoapp/
     </div>
 
     <!-- Slide 17: Why Separate Agents and Skills? -->
-    <div class="slide" data-slide="30">
+    <div class="slide" data-slide="31">
         <h1>Why Separate Agents and Skills?</h1>
         <div class="two-col">
             <div>
@@ -1113,7 +1123,7 @@ todoapp/
     </div>
 
     <!-- Slide 18: How to Create Your Own Skill -->
-    <div class="slide" data-slide="31">
+    <div class="slide" data-slide="32">
         <h1>How to Create Your Own Skill</h1>
         <p>Skills are plain markdown files. If you can write a recipe, you can write a skill.</p>
         <div class="how-to-trigger">
@@ -1166,7 +1176,7 @@ Fetch the current temperature for Dubai, UAE.
     </div>
 
     <!-- Slide 19: Skill Config Fields -->
-    <div class="slide" data-slide="32">
+    <div class="slide" data-slide="33">
         <h1>Skill Config Fields</h1>
         <p>The small config block at the top of a SKILL.md (the "frontmatter") controls how the skill behaves:</p>
         <div style="margin: 24px 0;">
@@ -1206,14 +1216,14 @@ Fetch the current temperature for Dubai, UAE.
     <!-- ============================================================ -->
 
     <!-- Slide 20: Context Section Divider -->
-    <div class="slide section-slide" data-slide="33" data-level="context">
+    <div class="slide section-slide" data-slide="34" data-level="context">
         <div class="section-number">Topic 3</div>
         <h1>&#x1F9E0; Context &mdash; The Reporter's Brain</h1>
         <p class="section-desc">Now that you've met the reporter and know their skills, let's understand what they can actually hold in mind at once. Every agent &mdash; including the weather reporter &mdash; gets its own fresh brain.</p>
     </div>
 
     <!-- Slide 21: Claude's Brain -->
-    <div class="slide" data-slide="34">
+    <div class="slide" data-slide="35">
         <h1>Claude's Brain</h1>
         <div class="analogy-box">
             <h4>Think of it like this</h4>
@@ -1251,7 +1261,7 @@ Fetch the current temperature for Dubai, UAE.
     </div>
 
     <!-- Slide 22: What Loads at Session Start -->
-    <div class="slide" data-slide="35">
+    <div class="slide" data-slide="36">
         <h1>What Loads at Session Start</h1>
         <p>The moment you open Claude Code, certain things land in Claude's brain <strong>before you've typed a word</strong>. The rest waits in the wings &mdash; only loaded when you actually need it. This is called <strong>progressive disclosure</strong>.</p>
         <img src="../assets/concepts/context.jpg" alt="Diagram showing what loads into Claude's context window at session start" style="width: 100%; max-width: 800px; margin: 24px auto; display: block; border-radius: 8px;" />
@@ -1285,7 +1295,7 @@ Fetch the current temperature for Dubai, UAE.
     </div>
 
     <!-- Slide 23: Keep the Brain Clear -->
-    <div class="slide" data-slide="36">
+    <div class="slide" data-slide="37">
         <h1>Keep the Brain Clear</h1>
         <p>The more stuff crammed into Claude's brain, the harder it is to focus on what matters. This is called <strong>context rot</strong> &mdash; performance drops as the brain gets crowded.</p>
         <div class="info-box">
@@ -1329,7 +1339,7 @@ Fetch the current temperature for Dubai, UAE.
     </div>
 
     <!-- Slide 24: How to Manage Your Context -->
-    <div class="slide" data-slide="37">
+    <div class="slide" data-slide="38">
         <h1>How to Manage Your Context</h1>
         <p>You can't <em>create</em> the context &mdash; it's just there, the moment you open a chat. But you can <strong>see</strong> how full it is, <strong>trim</strong> it down, or <strong>wipe</strong> it clean. Three commands give you full control.</p>
         <div class="how-to-trigger">
@@ -1374,14 +1384,14 @@ Fetch the current temperature for Dubai, UAE.
     <!-- ============================================================ -->
 
     <!-- Slide 25: CLAUDE.md Section Divider -->
-    <div class="slide section-slide" data-slide="38" data-level="claude-md">
+    <div class="slide section-slide" data-slide="39" data-level="claude-md">
         <div class="section-number">Topic 4</div>
         <h1>&#x1F4CB; CLAUDE.md &mdash; The Reporter's Pocket Rulebook</h1>
         <p class="section-desc">The weather reporter consults this at the start of every shift &mdash; even though their brain resets overnight. It's the standing instructions pinned in that brain before you've said a word.</p>
     </div>
 
     <!-- Slide 26: The Employee Handbook -->
-    <div class="slide" data-slide="39">
+    <div class="slide" data-slide="40">
         <h1>The Employee Handbook</h1>
         <div class="analogy-box">
             <h4>Think of it like this</h4>
@@ -1409,7 +1419,7 @@ This is the Q2 marketing campaign brief &mdash; targeting small business owners.
     </div>
 
     <!-- Slide 27: How to Create CLAUDE.md -->
-    <div class="slide" data-slide="40">
+    <div class="slide" data-slide="41">
         <h1>How to Create Your CLAUDE.md</h1>
         <p>You don't need to write CLAUDE.md by hand. Claude can look at your project and draft one for you.</p>
         <div class="how-to-trigger">
@@ -1454,7 +1464,7 @@ open, edit, save           <span class="comment"># Tweak it like any doc</span><
     </div>
 
     <!-- Slide 28: Grow CLAUDE.md With Every Mistake -->
-    <div class="slide" data-slide="41">
+    <div class="slide" data-slide="42">
         <h1>Grow CLAUDE.md With Every Mistake</h1>
         <div class="info-box">
             <h4>Tip from Boris Cherny (creator of Claude Code) &mdash; Feb 1, 2026</h4>
@@ -1491,7 +1501,7 @@ open, edit, save           <span class="comment"># Tweak it like any doc</span><
     </div>
 
     <!-- Slide 29: What Goes in CLAUDE.md -->
-    <div class="slide" data-slide="42">
+    <div class="slide" data-slide="43">
         <h1>What Goes in CLAUDE.md</h1>
         <div class="code-block"><span class="comment"># CLAUDE.md</span>
 
@@ -1519,7 +1529,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
     </div>
 
     <!-- Slide 30: How CLAUDE.md Loads -->
-    <div class="slide" data-slide="43">
+    <div class="slide" data-slide="44">
         <h1>How CLAUDE.md Loads</h1>
         <p>Claude Code uses two mechanisms to find CLAUDE.md files:</p>
         <div class="two-col">
@@ -1552,14 +1562,14 @@ This is a TodoApp with a FastAPI backend and React frontend.
     <!-- ============================================================ -->
 
     <!-- Slide 31: Commands Section Divider -->
-    <div class="slide section-slide" data-slide="44" data-level="commands">
+    <div class="slide section-slide" data-slide="45" data-level="commands">
         <div class="section-number">Topic 5</div>
         <h1>&#x26A1; Commands &mdash; The Trigger</h1>
         <p class="section-desc">One word kicks off the whole chain. <code>/weather-orchestrator</code> &rarr; agent &rarr; skill &rarr; SVG card. Commands are the entry point into any workflow.</p>
     </div>
 
     <!-- Slide 32: Commands — The Entry Point -->
-    <div class="slide" data-slide="45">
+    <div class="slide" data-slide="46">
         <h1>Commands &mdash; The Entry Point</h1>
         <div class="analogy-box">
             <h4>Think of it like this</h4>
@@ -1603,7 +1613,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
     </div>
 
     <!-- Slide 33: How to Create Your Own Command -->
-    <div class="slide" data-slide="46">
+    <div class="slide" data-slide="47">
         <h1>How to Create Your Own Command</h1>
         <p>Commands are markdown files too. If you can write a recipe, you can write a command.</p>
         <div class="how-to-trigger">
@@ -1658,14 +1668,14 @@ This is a TodoApp with a FastAPI backend and React frontend.
     <!-- ============================================================ -->
 
     <!-- Slide 34: Workflow Sub-Section (Putting It All Together) -->
-    <div class="slide section-slide" data-slide="47" data-level="workflow">
+    <div class="slide section-slide" data-slide="48" data-level="workflow">
         <div class="section-number">Putting It All Together</div>
         <h1>&#x1F3BC; Workflow &mdash; All Five Pieces Together</h1>
         <p class="section-desc">Watch the weather reporter example run from one keystroke to SVG card output. Five concepts, one orchestrated flow.</p>
     </div>
 
     <!-- Slide 35: Command → Agent → Skill -->
-    <div class="slide" data-slide="48">
+    <div class="slide" data-slide="49">
         <h1>Command &rarr; Agent &rarr; Skill</h1>
         <p>This is the <strong>core architecture pattern</strong> of Claude Code workflows &mdash; demonstrated in this very repo by the weather example:</p>
         <div class="code-block"><span class="comment">The Orchestration Flow</span>
@@ -1692,7 +1702,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
     </div>
 
     <!-- Slide 36: Two Ways Skills Are Used -->
-    <div class="slide" data-slide="49">
+    <div class="slide" data-slide="50">
         <h1>Two Ways Skills Are Used</h1>
         <p>The weather workflow demonstrates both skill patterns in a single flow:</p>
         <div class="two-col">
@@ -1715,7 +1725,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
     </div>
 
     <!-- Slide 37: How to Wire Your Own Workflow -->
-    <div class="slide" data-slide="50">
+    <div class="slide" data-slide="51">
         <h1>How to Wire Your Own Workflow</h1>
         <p>A workflow isn't a separate file type. It <em>emerges</em> when one command calls agents and skills in sequence.</p>
         <div class="how-to-trigger">
@@ -1766,7 +1776,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
     <!-- ============================================================ -->
     <!-- SLIDE 40: Closing                                             -->
     <!-- ============================================================ -->
-    <div class="slide title-slide" data-slide="51">
+    <div class="slide title-slide" data-slide="52">
         <h1>Journey So Far</h1>
         <p class="subtitle">Five concepts, one running example</p>
         <p style="margin-top: 20px; font-size: 1.1rem; color: #666; max-width: 640px;">From meeting the weather reporter to wiring the full <strong>Command &rarr; Agent &rarr; Skill</strong> chain. The same five pieces compose every workflow you'll ever build.</p>