LLD: <a class="headerlink" href="#lld" title="Permanent link">¶</a></h1>
<p>status: draft</p>
<p>Low-level design template (backlog B35). Copy to <code>docs/design/LLD-<slug>.md</code>; <code>mmdep design check</code> requires every section below.
Replace the examples. Once Atul approves the design, change <code>status: draft</code> to <code>status: approved</code>; then <code>mmdep design issues <this file></code> shows (dry run) or opens (<code>--create</code>) one issue per Work items row.</p>
<h2 id="context">Context<a class="headerlink" href="#context" title="Permanent link">¶</a></h2>
<p>What problem this solves and which ADR it follows (for example ADR-0016).</p>
<h2 id="decision">Decision<a class="headerlink" href="#decision" title="Permanent link">¶</a></h2>
<p>What is built, in a few lines: interfaces, data, where it runs.</p>
<h2 id="c4-element">C4 element<a class="headerlink" href="#c4-element" title="Permanent link">¶</a></h2>
<p>The elements of the C4 model (architecture/workspace.dsl) this touches, each in backticks. A new component goes into the model first.</p>
<ul>
<li><code>MMDEP</code></li>
</ul>
<h2 id="diagram">Diagram<a class="headerlink" href="#diagram" title="Permanent link">¶</a></h2>
<p>Required when more than two parts interact (docs/design/visualization-standard.md): a Mermaid <code>flowchart</code>, <code>sequenceDiagram</code>, <code>stateDiagram</code> or <code>erDiagram</code>. Mark planned or unverified parts.</p>
<pre class="mermaid"><code>flowchart LR
A[Caller] --> B[New component] --> C[(Store)]</code></pre>
<h2 id="test-plan">Test plan<a class="headerlink" href="#test-plan" title="Permanent link">¶</a></h2>
<ul>
<li>Unit tests for the new behaviour; the contract test that fails before the change.</li>
</ul>
<h2 id="risk">Risk<a class="headerlink" href="#risk" title="Permanent link">¶</a></h2>
<p>risk: low</p>
<p>Why, and what would make it higher (contract, secrets, production, money).</p>
<h2 id="work-items">Work items<a class="headerlink" href="#work-items" title="Permanent link">¶</a></h2>
<table>
<thead>
<tr>
<th>#</th>
<th>Title</th>
<th>Risk</th>
<th>Model</th>
<th>Scope paths</th>
<th>Depends on</th>
<th>Cx</th>
<th>Tests</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>Example item</td>
<td>low</td>
<td>gemini-flash-lite</td>
<td>mmdep/example.py, tests/test_example.py</td>
<td></td>
<td>2</td>
<td>tests/test_example.py</td>
</tr>
<tr>
<td>2</td>
<td>Example follow-up</td>
<td>low</td>
<td>gemini-flash-lite</td>
<td>docs/example.md</td>
<td>1</td>
<td>1</td>
<td></td>
</tr>
</tbody>
</table>
</article>
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