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presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html
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</div>
</div>
<!-- Slide 30: Agent tips and tricks — part 1 -->
<div class="slide" data-slide="30" data-level="agents">
<h1>Claude Code Best Practice Tips &amp; Tricks</h1>
<div style="min-height: calc(100vh - 200px); display: flex; align-items: center; justify-content: center;">
<img src="../assets/concepts/agents/agent-tips-1.png" alt="Claude Code tips and tricks — part 1" style="max-width: 1200px; max-height: 80vh; width: auto; height: auto; display: block; margin: 20px auto 0 auto; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); object-fit: contain;" />
</div>
<div class="pillar-footer">
<div class="pillar-mini-card" style="border-left: 4px solid #009688;">
<span class="pmc-emoji">&#x1F9D1;&#x200D;&#x1F4BC;</span>
<span class="pmc-title">Agents</span>
<span class="pmc-subtitle">&mdash; the specialists</span>
<span class="pmc-body">A dedicated Claude worker &mdash; own context, own tools, own focus. Each runs in isolation.</span>
<span class="pmc-badge" style="background: #e8f5e9; color: #2e7d32;">&#x2705; fresh working memory per run</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #4caf50;">
<span class="pmc-emoji">&#x1F3AF;</span>
<span class="pmc-title">Skills</span>
<span class="pmc-subtitle">&mdash; the know-how</span>
<span class="pmc-body">What the specialist (or Claude) can actually do. Loaded on demand &mdash; only when needed.</span>
<span class="pmc-badge" style="background: #e8f5e9; color: #2e7d32;">&#x2705; progressive disclosure</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #ef6c00;">
<span class="pmc-emoji">&#x1F4D8;</span>
<span class="pmc-title">Workflows</span>
<span class="pmc-subtitle">&mdash; the instruction manual</span>
<span class="pmc-body">Repeatable step-by-step recipes &mdash; like an AC install guide. Deterministic, reproducible.</span>
<span class="pmc-badge" style="background: #e8f5e9; color: #2e7d32;">&#x2705; reproducible recipes</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #9c27b0;">
<span class="pmc-emoji">&#x1F4DD;</span>
<span class="pmc-title">CLAUDE.md</span>
<span class="pmc-subtitle">&mdash; your memory</span>
<span class="pmc-body">Knowledge <em>you</em> provide to the model. Read every session. Keep it under 200 lines.</span>
<span class="pmc-badge" style="background: #fce4ec; color: #c62828;">&#x26A0;&#xFE0F; 200-line limit</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #3f51b5;">
<span class="pmc-emoji">&#x1F4AD;</span>
<span class="pmc-title">Context</span>
<span class="pmc-subtitle">&mdash; the working memory</span>
<span class="pmc-body">What Claude holds in his head now &mdash; fresh every new chat. Finite budget; compact at ~50%.</span>
<span class="pmc-badge" style="background: #fce4ec; color: #c62828;">&#x26A0;&#xFE0F; dumb-zone problem</span>
</div>
</div>
</div>
<!-- Slide 31: Agent tips and tricks — part 2 -->
<div class="slide" data-slide="31" data-level="agents">
<h1>Claude Code Best Practice Tips &amp; Tricks</h1>
<div style="min-height: calc(100vh - 200px); display: flex; align-items: center; justify-content: center;">
<img src="../assets/concepts/agents/agent-tips-2.png" alt="Claude Code tips and tricks — part 2" style="max-width: 1200px; max-height: 80vh; width: auto; height: auto; display: block; margin: 20px auto 0 auto; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); object-fit: contain;" />
</div>
<div class="pillar-footer">
<div class="pillar-mini-card" style="border-left: 4px solid #009688;">
<span class="pmc-emoji">&#x1F9D1;&#x200D;&#x1F4BC;</span>
<span class="pmc-title">Agents</span>
<span class="pmc-subtitle">&mdash; the specialists</span>
<span class="pmc-body">A dedicated Claude worker &mdash; own context, own tools, own focus. Each runs in isolation.</span>
<span class="pmc-badge" style="background: #e8f5e9; color: #2e7d32;">&#x2705; fresh working memory per run</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #4caf50;">
<span class="pmc-emoji">&#x1F3AF;</span>
<span class="pmc-title">Skills</span>
<span class="pmc-subtitle">&mdash; the know-how</span>
<span class="pmc-body">What the specialist (or Claude) can actually do. Loaded on demand &mdash; only when needed.</span>
<span class="pmc-badge" style="background: #e8f5e9; color: #2e7d32;">&#x2705; progressive disclosure</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #ef6c00;">
<span class="pmc-emoji">&#x1F4D8;</span>
<span class="pmc-title">Workflows</span>
<span class="pmc-subtitle">&mdash; the instruction manual</span>
<span class="pmc-body">Repeatable step-by-step recipes &mdash; like an AC install guide. Deterministic, reproducible.</span>
<span class="pmc-badge" style="background: #e8f5e9; color: #2e7d32;">&#x2705; reproducible recipes</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #9c27b0;">
<span class="pmc-emoji">&#x1F4DD;</span>
<span class="pmc-title">CLAUDE.md</span>
<span class="pmc-subtitle">&mdash; your memory</span>
<span class="pmc-body">Knowledge <em>you</em> provide to the model. Read every session. Keep it under 200 lines.</span>
<span class="pmc-badge" style="background: #fce4ec; color: #c62828;">&#x26A0;&#xFE0F; 200-line limit</span>
</div>
<div class="pillar-mini-card inactive" style="border-left: 3px solid #3f51b5;">
<span class="pmc-emoji">&#x1F4AD;</span>
<span class="pmc-title">Context</span>
<span class="pmc-subtitle">&mdash; the working memory</span>
<span class="pmc-body">What Claude holds in his head now &mdash; fresh every new chat. Finite budget; compact at ~50%.</span>
<span class="pmc-badge" style="background: #fce4ec; color: #c62828;">&#x26A0;&#xFE0F; dumb-zone problem</span>
</div>
</div>
</div>
<!-- ============================================================ -->
<!-- NEW SLIDE 27: CLAUDE.md concept intro -->
<!-- ============================================================ -->
<!-- Slide: CLAUDE.md -->
<div class="slide section-slide" data-slide="30">
<!-- Slide 32: CLAUDE.md concept intro -->
<div class="slide section-slide" data-slide="32">
<div class="slide-viewport-content">
<h1>&#x1F4DD; CLAUDE.md</h1>
<div style="text-align: center; margin: 12px auto 20px auto;">
@@ -1458,7 +1548,7 @@ todoapp/
<!-- ============================================================ -->
<!-- Slide: Skills -->
<div class="slide section-slide" data-slide="31">
<div class="slide section-slide" data-slide="33">
<div class="slide-viewport-content">
<h1>&#x1F393; Skills</h1>
<div style="text-align: center; margin: 12px auto 20px auto;">
@@ -1520,7 +1610,7 @@ todoapp/
<!-- ============================================================ -->
<!-- Slide: Context -->
<div class="slide section-slide" data-slide="32">
<div class="slide section-slide" data-slide="34">
<div class="slide-viewport-content">
<h1>&#x1F9E0; Context</h1>
<div style="text-align: center; margin: 12px auto 20px auto;">
@@ -1577,14 +1667,14 @@ todoapp/
<!-- ============================================================ -->
<!-- Slide 14: Skills Section Divider -->
<div class="slide section-slide" data-slide="33" data-level="skills">
<div class="slide section-slide" data-slide="35" 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="34">
<div class="slide" data-slide="36">
<h1>The Training Manual</h1>
<div class="analogy-box">
<h4>Think of it like this</h4>
@@ -1611,7 +1701,7 @@ todoapp/
</div>
<!-- Slide 16: When to Turn Something Into a Skill -->
<div class="slide" data-slide="35">
<div class="slide" data-slide="37">
<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>
@@ -1648,7 +1738,7 @@ todoapp/
</div>
<!-- Slide 17: Why Separate Agents and Skills? -->
<div class="slide" data-slide="36">
<div class="slide" data-slide="38">
<h1>Why Separate Agents and Skills?</h1>
<div class="two-col">
<div>
@@ -1674,7 +1764,7 @@ todoapp/
</div>
<!-- Slide 18: How to Create Your Own Skill -->
<div class="slide" data-slide="37">
<div class="slide" data-slide="39">
<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">
@@ -1727,7 +1817,7 @@ Fetch the current temperature for Dubai, UAE.
</div>
<!-- Slide 19: Skill Config Fields -->
<div class="slide" data-slide="38">
<div class="slide" data-slide="40">
<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;">
@@ -1767,14 +1857,14 @@ Fetch the current temperature for Dubai, UAE.
<!-- ============================================================ -->
<!-- Slide 20: Context Section Divider -->
<div class="slide section-slide" data-slide="39" data-level="context">
<div class="slide section-slide" data-slide="41" 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="40">
<div class="slide" data-slide="42">
<h1>Claude's Brain</h1>
<div class="analogy-box">
<h4>Think of it like this</h4>
@@ -1812,7 +1902,7 @@ Fetch the current temperature for Dubai, UAE.
</div>
<!-- Slide 22: What Loads at Session Start -->
<div class="slide" data-slide="41">
<div class="slide" data-slide="43">
<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;" />
@@ -1846,7 +1936,7 @@ Fetch the current temperature for Dubai, UAE.
</div>
<!-- Slide 23: Keep the Brain Clear -->
<div class="slide" data-slide="42">
<div class="slide" data-slide="44">
<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">
@@ -1890,7 +1980,7 @@ Fetch the current temperature for Dubai, UAE.
</div>
<!-- Slide 24: How to Manage Your Context -->
<div class="slide" data-slide="43">
<div class="slide" data-slide="45">
<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">
@@ -1935,14 +2025,14 @@ Fetch the current temperature for Dubai, UAE.
<!-- ============================================================ -->
<!-- Slide 25: CLAUDE.md Section Divider -->
<div class="slide section-slide" data-slide="44" data-level="claude-md">
<div class="slide section-slide" data-slide="46" 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="45">
<div class="slide" data-slide="47">
<h1>The Employee Handbook</h1>
<div class="analogy-box">
<h4>Think of it like this</h4>
@@ -1970,7 +2060,7 @@ 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="46">
<div class="slide" data-slide="48">
<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">
@@ -2015,7 +2105,7 @@ 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="47">
<div class="slide" data-slide="49">
<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>
@@ -2052,7 +2142,7 @@ 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="48">
<div class="slide" data-slide="50">
<h1>What Goes in CLAUDE.md</h1>
<div class="code-block"><span class="comment"># CLAUDE.md</span>
@@ -2080,7 +2170,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
</div>
<!-- Slide 30: How CLAUDE.md Loads -->
<div class="slide" data-slide="49">
<div class="slide" data-slide="51">
<h1>How CLAUDE.md Loads</h1>
<p>Claude Code uses two mechanisms to find CLAUDE.md files:</p>
<div class="two-col">
@@ -2113,14 +2203,14 @@ This is a TodoApp with a FastAPI backend and React frontend.
<!-- ============================================================ -->
<!-- Slide 31: Commands Section Divider -->
<div class="slide section-slide" data-slide="50" data-level="commands">
<div class="slide section-slide" data-slide="52" 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="51">
<div class="slide" data-slide="53">
<h1>Commands &mdash; The Entry Point</h1>
<div class="analogy-box">
<h4>Think of it like this</h4>
@@ -2164,7 +2254,7 @@ 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="52">
<div class="slide" data-slide="54">
<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">
@@ -2219,14 +2309,14 @@ 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="53" data-level="workflow">
<div class="slide section-slide" data-slide="55" 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="54">
<div class="slide" data-slide="56">
<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>
@@ -2253,7 +2343,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
</div>
<!-- Slide 36: Two Ways Skills Are Used -->
<div class="slide" data-slide="55">
<div class="slide" data-slide="57">
<h1>Two Ways Skills Are Used</h1>
<p>The weather workflow demonstrates both skill patterns in a single flow:</p>
<div class="two-col">
@@ -2276,7 +2366,7 @@ 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="56">
<div class="slide" data-slide="58">
<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">
@@ -2327,7 +2417,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
<!-- ============================================================ -->
<!-- SLIDE 40: Closing -->
<!-- ============================================================ -->
<div class="slide title-slide" data-slide="57">
<div class="slide title-slide" data-slide="59">
<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>
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