diff --git a/use-case-library-site/server/src/how-to-build-the-brain.html b/use-case-library-site/server/src/how-to-build-the-brain.html
index 838cc5a..f84bf06 100755
--- a/use-case-library-site/server/src/how-to-build-the-brain.html
+++ b/use-case-library-site/server/src/how-to-build-the-brain.html
@@ -186,12 +186,7 @@ <h1 class="hero-title">Your brain is what makes Runneth <span class="accent">you
     </div>
   </section>
 
-  <div class="tabs-wrap">
-    <div class="tabs" role="tablist">
-      <button class="tab-button active" role="tab" aria-selected="true" aria-controls="panel-guide" data-tab="guide">The guide</button>
-      <button class="tab-button" role="tab" aria-selected="false" aria-controls="panel-checklist" data-tab="checklist">Your checklist</button>
-    </div>
-  </div>
+  <!-- Upload checklist tab temporarily removed while the memory pipeline fix ships. -->
 
   <!-- ============================== -->
   <!--           TAB 1: GUIDE         -->
@@ -422,245 +417,7 @@ <h4>What if I'm not sure something is worth saving?</h4>
 
   </div><!-- /panel-guide -->
 
-  <!-- ============================== -->
-  <!--        TAB 2: CHECKLIST        -->
-  <!-- ============================== -->
-  <div id="panel-checklist" class="tab-panel" role="tabpanel">
-
-  <section class="body">
-    <div class="container">
-      <div class="section-label">
-        <span class="section-label-text">Your brain checklist</span>
-        <span class="section-label-line"></span>
-      </div>
-      <div class="section-intro">
-        <h2>Drop the files. Tell us what each one is. We'll handle the rest.</h2>
-        <p>This is the short version of what most teams upload first. For each item, attach the file and add a sentence or two about what it is so Runneth knows how to use it. Skip what you don't have. Everything routes straight into your workspace.</p>
-      </div>
-
-      <form class="checklist-form" id="brain-checklist-form" enctype="multipart/form-data" novalidate>
-
-        <div class="who-card">
-          <h4>Tell us where to send this</h4>
-          <p class="who-sub" id="who-sub-text">So we route the docs into your workspace and loop your CSM in.</p>
-          <div class="field-row">
-            <div class="field">
-              <label for="ws_name">Workspace or brand name <span class="req">*</span></label>
-              <input type="text" id="ws_name" name="workspace_name" required placeholder="e.g. Beco Pets" />
-            </div>
-            <div class="field">
-              <label for="ws_email">Your email <span class="req">*</span></label>
-              <input type="email" id="ws_email" name="contact_email" required placeholder="you@yourcompany.com" />
-            </div>
-          </div>
-          <input type="hidden" id="csm_handle" name="csm_handle" value="" />
-        </div>
-
-        <!-- 1. Brand context -->
-        <div class="upload-card">
-          <div class="upload-num">1</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Brand context</h4>
-              <span class="owner-tag">Owned by Brand / Marketing</span>
-            </div>
-            <p class="upload-what">Brand book, brand kit, voice and tone guide, positioning doc. Whatever explains who you are and how you sound.</p>
-            <div class="file-drop" data-field="brand_context">
-              <input type="file" name="brand_context_files" multiple aria-label="Upload brand context files" />
-              <div class="file-drop-label">
-                <div class="file-drop-icon">
-                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
-                </div>
-                <div class="file-drop-text">
-                  <div class="file-drop-title">Drop files or click to upload</div>
-                  <div class="file-drop-hint">PDF, doc, slides. Up to 10MB per file.</div>
-                </div>
-              </div>
-              <div class="file-list"></div>
-            </div>
-            <div class="field">
-              <label for="brand_context_context">What is this? Anything Runneth should know?</label>
-              <textarea id="brand_context_context" name="brand_context_context" placeholder="e.g. This is our 2025 brand refresh. The voice section on page 4 is most important. Skip the merchandise rules."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <!-- 2. Competitor research and swipe files -->
-        <div class="upload-card">
-          <div class="upload-num">2</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Competitor research and swipe files</h4>
-              <span class="owner-tag">Owned by Strategy / Creative</span>
-            </div>
-            <p class="upload-what">Competitor ad library exports, screenshots of competitor campaigns, swipe files of ads you admire, hook libraries you've built. Reference points, not blueprints.</p>
-            <div class="file-drop" data-field="competitor_research">
-              <input type="file" name="competitor_research_files" multiple aria-label="Upload competitor research files" />
-              <div class="file-drop-label">
-                <div class="file-drop-icon">
-                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
-                </div>
-                <div class="file-drop-text">
-                  <div class="file-drop-title">Drop files or click to upload</div>
-                  <div class="file-drop-hint">PDF, doc, slides, images, ZIP. Up to 10MB per file.</div>
-                </div>
-              </div>
-              <div class="file-list"></div>
-            </div>
-            <div class="field">
-              <label for="competitor_research_context">What is this? Anything Runneth should know?</label>
-              <textarea id="competitor_research_context" name="competitor_research_context" placeholder="e.g. Screenshots of our top three competitors' Q1 Meta campaigns. Our internal swipe file from the last six months of ad reviews. Hooks we admire and want Runneth to reference, but not copy."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <!-- 3. Persona / ICP -->
-        <div class="upload-card">
-          <div class="upload-num">3</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Persona and ICP docs</h4>
-              <span class="owner-tag">Owned by Strategy / Marketing</span>
-            </div>
-            <p class="upload-what">Persona research, ICP definitions, target audience docs. The segmentation work you've already done.</p>
-            <div class="file-drop" data-field="personas">
-              <input type="file" name="personas_files" multiple aria-label="Upload persona files" />
-              <div class="file-drop-label">
-                <div class="file-drop-icon">
-                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
-                </div>
-                <div class="file-drop-text">
-                  <div class="file-drop-title">Drop files or click to upload</div>
-                  <div class="file-drop-hint">Doc, PDF, slides. Up to 10MB per file.</div>
-                </div>
-              </div>
-              <div class="file-list"></div>
-            </div>
-            <div class="field">
-              <label for="personas_context">What is this? Anything Runneth should know?</label>
-              <textarea id="personas_context" name="personas_context" placeholder="e.g. We have three personas. Persona A (perimenopause women, 45-55) is the focus for the next quarter. Personas B and C are secondary."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <!-- 4. Product catalog -->
-        <div class="upload-card">
-          <div class="upload-num">4</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Product catalog</h4>
-              <span class="owner-tag">Owned by Product / Brand</span>
-            </div>
-            <p class="upload-what">SKU list, fact sheets, pricing, ingredients, claims, what's allowed in copy and what isn't.</p>
-            <div class="file-drop" data-field="product_catalog">
-              <input type="file" name="product_catalog_files" multiple aria-label="Upload product catalog files" />
-              <div class="file-drop-label">
-                <div class="file-drop-icon">
-                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
-                </div>
-                <div class="file-drop-text">
-                  <div class="file-drop-title">Drop files or click to upload</div>
-                  <div class="file-drop-hint">CSV, PDF, doc, spreadsheet. Up to 10MB per file.</div>
-                </div>
-              </div>
-              <div class="file-list"></div>
-            </div>
-            <div class="field">
-              <label for="product_catalog_context">What is this? Anything Runneth should know?</label>
-              <textarea id="product_catalog_context" name="product_catalog_context" placeholder="e.g. Our full product list, prices, and FDA claim restrictions. Anything tagged 'avoid' must not appear in copy."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <!-- 5. Past winning briefs -->
-        <div class="upload-card">
-          <div class="upload-num">5</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Past winning briefs and concepts</h4>
-              <span class="owner-tag">Owned by Creative / Strategy</span>
-            </div>
-            <p class="upload-what">The briefs and concepts that actually performed. Two or three is enough.</p>
-            <div class="file-drop" data-field="winning_briefs">
-              <input type="file" name="winning_briefs_files" multiple aria-label="Upload past winning briefs" />
-              <div class="file-drop-label">
-                <div class="file-drop-icon">
-                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
-                </div>
-                <div class="file-drop-text">
-                  <div class="file-drop-title">Drop files or click to upload</div>
-                  <div class="file-drop-hint">Doc, PDF, slides. Up to 10MB per file.</div>
-                </div>
-              </div>
-              <div class="file-list"></div>
-            </div>
-            <div class="field">
-              <label for="winning_briefs_context">What is this? Anything Runneth should know?</label>
-              <textarea id="winning_briefs_context" name="winning_briefs_context" placeholder="e.g. Our two best-performing TikTok concepts from Q1. The Sleep concept hit 3.2x ROAS and ran for 8 weeks. The Crash concept hit 2.4x and is still scaling."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <!-- 6. Other systems used to run creative strategy -->
-        <div class="upload-card">
-          <div class="upload-num">6</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Other systems you use to run creative strategy</h4>
-              <span class="owner-tag">Owned by Creative Ops / Strategy</span>
-            </div>
-            <p class="upload-what">Tell us where the rest of your creative strategy lives, including where you store customer reviews. Runneth can connect to Notion, Google Drive, Slack, Airtable, Asana, Monday, ClickUp, Figma, Dropbox, HubSpot, Trustpilot, Yotpo, Shopify, your support tool, and most other modern systems with an API. Once connected, Runneth pulls briefs, customer reviews, assets, decisions, and project context directly. No exports needed.</p>
-            <div class="field">
-              <label for="connected_systems_context">What do you use, and what lives in each one?</label>
-              <textarea id="connected_systems_context" name="connected_systems_context" placeholder="e.g. Briefs live in Notion. Customer reviews are in Trustpilot. Asset library is in Google Drive (Brand Assets folder). Project tracking is in Asana. Design system is in Figma. Most creative decisions happen in our #creative Slack channel."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <!-- Anything else -->
-        <div class="upload-card">
-          <div class="upload-num">+</div>
-          <div class="upload-body">
-            <div class="upload-head">
-              <h4>Anything else worth knowing?</h4>
-              <span class="owner-tag">Optional</span>
-            </div>
-            <p class="upload-what">Other docs we should have: competitor research, landing page audits, paid strategy briefs, templates, call notes. Drop them here with context.</p>
-            <div class="file-drop" data-field="other">
-              <input type="file" name="other_files" multiple aria-label="Upload other files" />
-              <div class="file-drop-label">
-                <div class="file-drop-icon">
-                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
-                </div>
-                <div class="file-drop-text">
-                  <div class="file-drop-title">Drop files or click to upload</div>
-                  <div class="file-drop-hint">Any format. Up to 10MB per file.</div>
-                </div>
-              </div>
-              <div class="file-list"></div>
-            </div>
-            <div class="field">
-              <label for="other_context">What is each one? Anything Runneth should know?</label>
-              <textarea id="other_context" name="other_context" placeholder="Tell us what each file is and how Runneth should use it."></textarea>
-            </div>
-          </div>
-        </div>
-
-        <div class="form-msg" id="form-msg" role="status" aria-live="polite"></div>
-
-        <div class="submit-row">
-          <div class="submit-text">
-            <strong>Ready to feed your brain?</strong>
-            <span>We'll route your files into your workspace and follow up if anything needs clarifying.</span>
-          </div>
-          <button type="submit" class="submit-btn" id="submit-btn">Send to Runneth</button>
-        </div>
-
-      </form>
-    </div>
-  </section>
-
-  </div><!-- /panel-checklist -->
+  <!-- Upload checklist panel temporarily removed while the memory pipeline fix ships. The guide above is unchanged. -->
 
   <footer class="footer">
     <div class="container">
@@ -678,211 +435,7 @@ <h4>Anything else worth knowing?</h4>
   <script>
     // CSM handle, injected by the server when the page is requested under /how-to-build-the-brain/<csm>.
     /* __CSM_INJECT__ */
-    if (typeof window.__CSM__ === 'string' && window.__CSM__.length > 0) {
-      const handle = window.__CSM__;
-      const input = document.getElementById('csm_handle');
-      if (input) input.value = handle;
-      const csmLabel = handle.charAt(0).toUpperCase() + handle.slice(1);
-      const sub = document.getElementById('who-sub-text');
-      if (sub) sub.innerHTML = 'You\'re working with <strong>' + csmLabel + '</strong> at Runneth. We\'ll route everything you upload to them directly.';
-    }
-
-    // Tab switching
-    const tabButtons = document.querySelectorAll('.tab-button');
-    const tabPanels = document.querySelectorAll('.tab-panel');
-    tabButtons.forEach(function (btn) {
-      btn.addEventListener('click', function () {
-        const target = btn.getAttribute('data-tab');
-        tabButtons.forEach(function (b) {
-          const active = b.getAttribute('data-tab') === target;
-          b.classList.toggle('active', active);
-          b.setAttribute('aria-selected', active ? 'true' : 'false');
-        });
-        tabPanels.forEach(function (p) {
-          p.classList.toggle('active', p.id === 'panel-' + target);
-        });
-        if (target === 'checklist' && window.location.hash !== '#checklist') {
-          history.replaceState(null, '', '#checklist');
-        } else if (target === 'guide' && window.location.hash === '#checklist') {
-          history.replaceState(null, '', '#');
-        }
-        window.scrollTo({ top: 0, behavior: 'instant' });
-      });
-    });
-    if (window.location.hash === '#checklist') {
-      const btn = document.querySelector('.tab-button[data-tab="checklist"]');
-      if (btn) btn.click();
-    }
-
-    // File drop UX
-    const MAX_FILE_BYTES = 10 * 1024 * 1024;
-    const MAX_TOTAL_BYTES = 25 * 1024 * 1024;
-    const fileState = {}; // field name -> File[]
-
-    function fmtSize(bytes) {
-      if (bytes < 1024) return bytes + ' B';
-      if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
-      return (bytes / 1024 / 1024).toFixed(1) + ' MB';
-    }
-
-    function renderFileList(card) {
-      const field = card.getAttribute('data-field');
-      const list = card.querySelector('.file-list');
-      const files = fileState[field] || [];
-      list.innerHTML = '';
-      files.forEach(function (file, idx) {
-        const row = document.createElement('div');
-        row.className = 'file-row';
-        const oversize = file.size > MAX_FILE_BYTES;
-        row.innerHTML =
-          '<span class="file-name">' + escapeHtml(file.name) + '</span>' +
-          '<span class="file-size"' + (oversize ? ' style="color:#c83a3a"' : '') + '>' +
-          fmtSize(file.size) + (oversize ? ' (too large)' : '') + '</span>' +
-          '<button type="button" class="file-remove" aria-label="Remove ' + escapeHtml(file.name) + '">×</button>';
-        row.querySelector('.file-remove').addEventListener('click', function () {
-          fileState[field].splice(idx, 1);
-          renderFileList(card);
-          updateCardState(card);
-        });
-        list.appendChild(row);
-      });
-      updateCardState(card);
-    }
-
-    function updateCardState(card) {
-      const field = card.getAttribute('data-field');
-      const files = fileState[field] || [];
-      card.classList.toggle('has-file', files.length > 0);
-    }
-
-    function escapeHtml(s) {
-      return String(s).replace(/[&<>"']/g, function (c) {
-        return { '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[c];
-      });
-    }
-
-    document.querySelectorAll('.file-drop').forEach(function (card) {
-      const field = card.getAttribute('data-field');
-      const input = card.querySelector('input[type="file"]');
-      fileState[field] = [];
-
-      input.addEventListener('change', function (e) {
-        const incoming = Array.from(e.target.files || []);
-        fileState[field] = (fileState[field] || []).concat(incoming);
-        input.value = '';
-        renderFileList(card);
-      });
-
-      ['dragenter', 'dragover'].forEach(function (evt) {
-        card.addEventListener(evt, function (e) {
-          e.preventDefault();
-          card.classList.add('dragover');
-        });
-      });
-      ['dragleave', 'drop'].forEach(function (evt) {
-        card.addEventListener(evt, function (e) {
-          e.preventDefault();
-          card.classList.remove('dragover');
-        });
-      });
-      card.addEventListener('drop', function (e) {
-        const dropped = Array.from((e.dataTransfer && e.dataTransfer.files) || []);
-        if (dropped.length === 0) return;
-        fileState[field] = (fileState[field] || []).concat(dropped);
-        renderFileList(card);
-      });
-    });
-
-    // Submit
-    const form = document.getElementById('brain-checklist-form');
-    const msg = document.getElementById('form-msg');
-    const submitBtn = document.getElementById('submit-btn');
-
-    function showMsg(kind, text) {
-      msg.className = 'form-msg ' + kind;
-      msg.textContent = text;
-    }
-
-    form.addEventListener('submit', async function (e) {
-      e.preventDefault();
-      msg.className = 'form-msg';
-      msg.textContent = '';
-
-      const wsName = document.getElementById('ws_name').value.trim();
-      const email = document.getElementById('ws_email').value.trim();
-      if (!wsName || !email) {
-        showMsg('error', 'Please add your workspace name and email so we know where to route this.');
-        return;
-      }
-      if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
-        showMsg('error', 'That email address looks off. Please double-check.');
-        return;
-      }
-
-      // Aggregate and validate file sizes
-      let totalSize = 0;
-      const allFiles = [];
-      Object.keys(fileState).forEach(function (field) {
-        (fileState[field] || []).forEach(function (file) {
-          totalSize += file.size;
-          allFiles.push({ field: field, file: file });
-        });
-      });
-      const oversize = allFiles.find(function (x) { return x.file.size > MAX_FILE_BYTES; });
-      if (oversize) {
-        showMsg('error', 'One or more files is over 10MB (' + oversize.file.name + '). Please remove or split it, then resubmit.');
-        return;
-      }
-      if (totalSize > MAX_TOTAL_BYTES) {
-        showMsg('error', 'Total upload is over 25MB. Please trim it down or split into two submissions.');
-        return;
-      }
-      const hasAnything = allFiles.length > 0 ||
-        ['brand_context_context','competitor_research_context','personas_context','product_catalog_context','winning_briefs_context','connected_systems_context','other_context']
-          .some(function (k) { return (document.getElementById(k) && document.getElementById(k).value.trim().length > 0); });
-      if (!hasAnything) {
-        showMsg('error', 'Add at least one file or some context to send.');
-        return;
-      }
-
-      submitBtn.disabled = true;
-      submitBtn.textContent = 'Sending…';
-
-      try {
-        const data = new FormData();
-        data.append('workspace_name', wsName);
-        data.append('contact_email', email);
-        ['brand_context','competitor_research','personas','product_catalog','winning_briefs','connected_systems','other'].forEach(function (field) {
-          const ctx = document.getElementById(field + '_context');
-          if (ctx) data.append(field + '_context', ctx.value.trim());
-          (fileState[field] || []).forEach(function (file) {
-            data.append(field + '_files', file, file.name);
-          });
-        });
-
-        const resp = await fetch('/api/brain-checklist', { method: 'POST', body: data });
-        let payload = null;
-        try { payload = await resp.json(); } catch (_) { /* not JSON */ }
-        if (!resp.ok) {
-          const err = (payload && payload.message) || ('Submission failed (' + resp.status + ').');
-          showMsg('error', err + ' If this keeps happening, email support@motionapp.com directly.');
-          submitBtn.disabled = false;
-          submitBtn.textContent = 'Send to Runneth';
-          return;
-        }
-        showMsg('success', 'Got it. Your CSM will route this into your brain and follow up if anything needs clarifying.');
-        form.reset();
-        Object.keys(fileState).forEach(function (k) {
-          fileState[k] = [];
-        });
-        document.querySelectorAll('.file-drop').forEach(function (card) { renderFileList(card); });
-        submitBtn.textContent = 'Sent';
-      } catch (err) {
-        showMsg('error', 'Could not send. Check your connection and try again, or email support@motionapp.com directly.');
-        submitBtn.disabled = false;
-        submitBtn.textContent = 'Send to Runneth';
-      }
-    });
+    // Upload checklist temporarily removed; no client behaviour needed here right now.
   </script>
 </body>
 </html>
diff --git a/use-case-library-site/server/src/index.ts b/use-case-library-site/server/src/index.ts
index 465abde..2ddaae6 100755
--- a/use-case-library-site/server/src/index.ts
+++ b/use-case-library-site/server/src/index.ts
@@ -266,6 +266,19 @@ const BRAIN_CHECKLIST_FIELD_KEYS = new Set(BRAIN_CHECKLIST_SECTIONS.map((s) => s
 const BRAIN_CHECKLIST_MAX_TOTAL_BYTES = 25 * 1024 * 1024
 
 server.post('/api/brain-checklist', async (req, reply) => {
+  // Uploads temporarily paused while the memory pipeline fix ships (approved by Kyra, 2026-07-24).
+  // Backstops the removed upload tab: even a cached page or a #checklist deep link cannot submit
+  // and risk losing a customer's files. Re-enable with BRAIN_CHECKLIST_PAUSED=0 (or remove this
+  // block) once the fix has landed.
+  const UPLOADS_PAUSED = process.env.BRAIN_CHECKLIST_PAUSED !== '0'
+  if (UPLOADS_PAUSED) {
+    reply.code(503)
+    return {
+      error: 'paused',
+      message: 'Uploads are temporarily paused while we ship an improvement to how your files are saved. Your CSM will follow up, or email support@motionapp.com and we can take it from there.',
+    }
+  }
+
   if (!req.isMultipart()) {
     reply.code(400)
     return { error: 'invalid_request', message: 'Expected multipart/form-data.' }