async function renderMemory() {
  const content = document.getElementById('pageContent');
  content.innerHTML = `
    <div class="page-header">
      <div class="page-header-left">
        <h1 class="page-title">Memory</h1>
        <p class="page-subtitle">Shared brain context across all agents</p>
      </div>
    </div>
    <div id="memoryList"><div class="loading"><div class="loading-spinner"></div></div></div>
  `;

  try {
    const brain = await api.getBrain();
    const files = Object.entries(brain);
    const container = document.getElementById('memoryList');

    if (files.length === 0) {
      container.innerHTML = '<div class="empty-state"><div class="empty-state-icon">🧠</div><div class="empty-state-title">No memory files</div></div>';
      return;
    }

    container.innerHTML = `<div style="display:grid;gap:12px">${files.map(([name, content]) => {
      const preview = content ? content.slice(0, 200) : '';
      const safeName = escapeHtml(name.replace('.md', '').replace(/-/g, ' '));
      return `<div class="card" style="cursor:pointer" onclick="editMemory('${encodeURIComponent(name)}')">
        <div class="flex items-center justify-between mb-2">
          <div><span class="card-title">${safeName}</span></div>
          <span class="badge badge-info">${content ? content.split('\n').length : 0} lines</span>
        </div>
        <pre style="max-height:80px;overflow:hidden;font-size:11px;color:var(--text-muted)">${escapeHtml(preview)}${preview.length >= 200 ? '...' : ''}</pre>
      </div>`;
    }).join('')}</div>`;
  } catch (err) {
    document.getElementById('memoryList').innerHTML = `<div class="empty-state"><div class="empty-state-icon">⚠</div><div class="empty-state-title">${escapeHtml(err.message)}</div></div>`;
  }
}

async function editMemory(encodedName) {
  const name = decodeURIComponent(encodedName);
  const display = escapeHtml(name.replace('.md', '').replace(/-/g, ' '));
  let content = '';
  try {
    const r = await api.getBrainFile(name);
    content = r.content || '';
  } catch {}

  showModal(`Edit: ${display}`, `
    <div class="form-group">
      <label class="form-label">Content</label>
      <textarea id="memContent" class="form-textarea" style="min-height:300px;font-size:12px">${escapeHtml(content)}</textarea>
    </div>
  `, `
    <button class="btn btn-ghost" onclick="closeModal()">Cancel</button>
    <button class="btn btn-primary" onclick="saveMemory('${encodeURIComponent(name)}')">💾 Save</button>
  `);
}

async function saveMemory(encodedName) {
  const name = decodeURIComponent(encodedName);
  const content = document.getElementById('memContent').value;
  try {
    await api.updateBrainFile(name, content);
    closeModal();
    showToast('Memory updated', 'success');
    renderMemory();
  } catch (err) {
    showToast(`Error: ${err.message}`, 'error');
  }
}