Rolodex UX: add /rolodex/{id}/edit route, prefill support for new form, fix edit links, and improve empty state guidance. Also fix header width lints in template.

app/templates/rolodex.html

@@ -56,7 +56,7 @@
                     <th style="width: 40px;"><input class="form-check-input js-select-all" type="checkbox"></th>
                     {% endif %}
                     {% for h in headers %}
-                      <th{% if h.width %} style="width: {{ h.width }};"{% endif %}{% if h.align == 'end' %} class="text-end"{% endif %}>{{ h.title }}</th>
+                      <th{% if h.width %} width="{{ h.width | replace('px', '') }}"{% endif %}{% if h.align == 'end' %} class="text-end"{% endif %}>{{ h.title }}</th>
                     {% endfor %}
                   </tr>
                 </thead>
@@ -91,7 +91,12 @@
                     {% endfor %}
                   {% else %}
                     <tr>
-                      <td colspan="8" class="text-center text-muted py-4">No clients found.</td>
+                      <td colspan="8" class="text-center text-muted py-4">
+                        No clients found.
+                        <div class="small mt-1">
+                          If you've imported legacy data, go to <a href="/admin">Admin</a> and run <em>Sync to Modern Models</em> to populate Clients and Phones.
+                        </div>
+                      </td>
                     </tr>
                   {% endif %}
                 </tbody>