diff --git a/hubzilla/addon/assoc_profile/view/css/assoc_profile_manage.php b/hubzilla/addon/assoc_profile/view/css/assoc_profile_manage.php
new file mode 100644
index 0000000..3637599
--- /dev/null
+++ b/hubzilla/addon/assoc_profile/view/css/assoc_profile_manage.php
@@ -0,0 +1,688 @@
+<?php
+
+/**
+ * Association Profile — Management Renderer
+ * Operator-only. Called from assoc_profile.php content router.
+ * v0.2.0 — search, filter, paginate, bulk export, import with diff, delete.
+ */
+
+// ----------------------------------------------------------------------------
+// MANAGE INDEX
+// ----------------------------------------------------------------------------
+
+function assoc_render_manage_index() {
+    $registry = assoc_load_registry();
+    $def      = assoc_load_fields();
+    $fields   = $def['fields'] ?? [];
+
+    // Build filter option sets from registry data
+    $counties  = [];
+    $types     = [];
+    $statuses  = [];
+    foreach ($registry as $slug => $entry) {
+        if (!empty($entry['assoc_county']))      $counties[$entry['assoc_county']]    = true;
+        if (!empty($entry['assoc_type']))         $types[$entry['assoc_type']]          = true;
+        if (!empty($entry['assoc_sos_standing'])) $statuses[$entry['assoc_sos_standing']] = true;
+    }
+    ksort($counties); ksort($types); ksort($statuses);
+
+    $total = count($registry);
+
+    $out  = '<div class="assoc-manage">';
+
+    // Header
+    $out .= '<header class="civicinfra-manage-header">';
+    $out .= '<h1 class="civicinfra-manage-title">Associations</h1>';
+    $out .= '<div class="civicinfra-manage-actions">';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage/assoc" class="btn btn-primary btn-sm">+ Add Association</a>';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage/fields" class="btn btn-outline-secondary btn-sm">Manage Fields</a>';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage/import" class="btn btn-outline-secondary btn-sm">Import</a>';
+    $out .= '</div></header>';
+
+    if (empty($registry)) {
+        $out .= '<div class="civicinfra-notice">No associations registered. <a href="' . z_root() . '/assoc_profile/manage/assoc">Add the first one.</a></div>';
+        $out .= '</div>';
+        return $out;
+    }
+
+    // Search and filter bar — single horizontal row, no wrap
+    $out .= '<div class="assoc-search-bar" role="search">';
+    $out .= '<input type="search" id="assoc-search" class="form-control form-control-sm"
+                    placeholder="Search name or slug…" aria-label="Search associations">';
+
+    $out .= '<select id="assoc-filter-county" class="form-select form-select-sm" aria-label="Filter by county">';
+    $out .= '<option value="">All counties</option>';
+    foreach ($counties as $c => $_) { $out .= '<option value="' . assoc_h($c) . '">' . assoc_h($c) . '</option>'; }
+    $out .= '</select>';
+
+    $out .= '<select id="assoc-filter-type" class="form-select form-select-sm" aria-label="Filter by type">';
+    $out .= '<option value="">All types</option>';
+    foreach ($types as $t => $_) { $out .= '<option value="' . assoc_h($t) . '">' . assoc_h($t === 'UNK' ? 'Unknown' : $t) . '</option>'; }
+    $out .= '</select>';
+
+    $out .= '<select id="assoc-filter-status" class="form-select form-select-sm" aria-label="Filter by standing">';
+    $out .= '<option value="">All standing</option>';
+    foreach ($statuses as $s => $_) { $out .= '<option value="' . assoc_h($s) . '">' . assoc_h($s === 'UNK' ? 'Unknown' : $s) . '</option>'; }
+    $out .= '</select>';
+
+    $out .= '</div>';
+
+    // Bulk bar (hidden until selection)
+    $out .= '<div id="assoc-bulk-bar" class="assoc-bulk-bar" style="display:none;">';
+    $out .= '<span id="assoc-bulk-count" class="me-2">0 selected</span>';
+    $out .= '<button type="button" id="assoc-export-selected" class="btn btn-sm btn-outline-secondary">Export selected</button>';
+    $out .= '</div>';
+
+    // Hidden export form
+    $out .= '<form id="assoc-export-form" method="post" action="' . z_root() . '/assoc_profile/manage" style="display:none;">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="export_selected">';
+    $out .= '<input type="hidden" id="assoc-export-slugs" name="export_slugs" value="">';
+    $out .= '</form>';
+
+    // Table
+    $out .= '<div class="civicinfra-data-table">';
+    $out .= '<table class="table table-sm mb-0" id="assoc-manage-table">';
+    $out .= '<thead><tr>';
+    $out .= '<th scope="col" style="width:2rem;"><input type="checkbox" id="assoc-select-all" class="form-check-input" title="Select all visible"></th>';
+    $out .= '<th scope="col">Slug</th>';
+    $out .= '<th scope="col">Legal Name</th>';
+    $out .= '<th scope="col">Units</th>';
+    $out .= '<th scope="col">Updated</th>';
+    $out .= '<th scope="col"></th>';
+    $out .= '</tr></thead><tbody>';
+
+    foreach ($registry as $slug => $entry) {
+        $type    = $entry['assoc_type']         ?? '';
+        $county  = $entry['assoc_county']        ?? '';
+        $status  = $entry['assoc_sos_standing']  ?? '';
+
+        $status_class = 'civicinfra-status-unknown';
+        if ($status === 'Active')   $status_class = 'civicinfra-status-active';
+        if ($status === 'Dissolved') $status_class = 'civicinfra-status-alert';
+
+        $out .= '<tr data-slug="' . assoc_h($slug) . '"'
+              . ' data-name="' . assoc_h($entry['assoc_legal_name'] ?? '') . '"'
+              . ' data-county="' . assoc_h($county) . '"'
+              . ' data-type="' . assoc_h($type) . '"'
+              . ' data-status="' . assoc_h($status) . '">';
+
+        $out .= '<td><input type="checkbox" name="assoc_select[]" value="' . assoc_h($slug) . '" class="form-check-input"></td>';
+
+        $out .= '<td><a href="' . z_root() . '/channel/' . assoc_h($slug) . '"
+                        class="text-decoration-none" title="View channel">'
+              . '<code class="civicinfra-record-id">' . assoc_h($slug) . '</code>'
+              . '</a></td>';
+
+        $out .= '<td>' . assoc_h($entry['assoc_legal_name'] ?? '—') . '</td>';
+        $out .= '<td class="civicinfra-record-meta">' . assoc_h($entry['assoc_units'] ?? '—') . '</td>';
+        $out .= '<td class="civicinfra-record-meta">' . assoc_h($entry['assoc_updated'] ?? '—') . '</td>';
+        $out .= '<td><a href="' . z_root() . '/assoc_profile/manage/assoc/' . assoc_h($slug) . '"
+                        class="btn btn-sm btn-outline-secondary">Edit</a></td>';
+        $out .= '</tr>';
+    }
+
+    $out .= '</tbody></table></div>';
+
+    // Pagination controls (JS-driven)
+    $out .= '<div class="assoc-pagination">';
+    $out .= '<span id="assoc-page-info" class="civicinfra-record-meta">' . $total . ' associations</span>';
+    $out .= '<div class="d-flex gap-2">';
+    $out .= '<button id="assoc-page-prev" class="btn btn-sm btn-outline-secondary" disabled>&larr; Prev</button>';
+    $out .= '<button id="assoc-page-next" class="btn btn-sm btn-outline-secondary">Next &rarr;</button>';
+    $out .= '</div></div>';
+
+    $out .= '</div>';
+    return $out;
+}
+
+// ----------------------------------------------------------------------------
+// ADD ASSOCIATION
+// ----------------------------------------------------------------------------
+
+function assoc_render_add_association_form() {
+    $out  = '<div class="assoc-manage">';
+    $out .= '<header class="civicinfra-manage-header">';
+    $out .= '<h1 class="civicinfra-manage-title">Add Association</h1>';
+    $out .= '<div class="civicinfra-manage-actions">';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary btn-sm">&larr; Back</a>';
+    $out .= '</div></header>';
+
+    $out .= '<div class="civicinfra-form-section">';
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="add_association">';
+    $out .= '<div class="mb-3">';
+    $out .= '<label class="form-label" for="new_slug">Slug</label>';
+    $out .= '<p class="civicinfra-help-text mb-1">Lowercase, hyphens only. Cannot be changed after creation. Used in URLs and as the key in config.json.</p>';
+    $out .= '<input type="text" id="new_slug" class="form-control" name="new_slug"
+                    placeholder="e.g. arbors-bgca" required pattern="[a-z0-9\-]+"
+                    style="max-width:24rem;">';
+    $out .= '</div>';
+    $out .= '<button type="submit" class="btn btn-primary">Create Association</button>';
+    $out .= '</form></div></div>';
+    return $out;
+}
+
+// ----------------------------------------------------------------------------
+// EDIT ASSOCIATION
+// ----------------------------------------------------------------------------
+
+function assoc_render_edit_association_form($slug) {
+    $registry = assoc_load_registry();
+    if (!isset($registry[$slug])) {
+        return '<div class="civicinfra-notice civicinfra-warning">Association not found: <code>' . assoc_h($slug) . '</code></div>';
+    }
+
+    $entry    = $registry[$slug];
+    $def      = assoc_load_fields();
+    $groups   = $def['groups'] ?? [];
+    $fields   = $def['fields'] ?? [];
+    $by_group = [];
+    foreach ($fields as $f) { $by_group[$f['group']][] = $f; }
+
+    $name = $entry['assoc_legal_name'] ?? $slug;
+
+    // Tab label overrides — short labels for tabs
+    $tab_labels = [
+        'Identity'                 => 'Identity',
+        'Physical Structure'       => 'Buildings',
+        'Governance and Management'=> 'Governance',
+        'Legal and Compliance'     => 'Compliance',
+        'Record'                   => 'Record',
+    ];
+
+    $out  = '<div class="assoc-manage">';
+    $out .= '<header class="civicinfra-manage-header">';
+    $out .= '<div>';
+    $out .= '<nav aria-label="breadcrumb"><ol class="breadcrumb mb-1">';
+    $out .= '<li class="breadcrumb-item"><a href="' . z_root() . '/assoc_profile/manage">Associations</a></li>';
+    $out .= '<li class="breadcrumb-item active">' . assoc_h($name) . '</li>';
+    $out .= '</ol></nav>';
+    $out .= '<h1 class="civicinfra-manage-title">' . assoc_h($name) . '</h1>';
+    $out .= '<p class="civicinfra-record-meta mt-1"><code class="civicinfra-record-id">' . assoc_h($slug) . '</code></p>';
+    $out .= '</div>';
+    $out .= '<div class="civicinfra-manage-actions">';
+    $out .= '<a href="' . z_root() . '/profile/' . assoc_h($slug) . '" class="btn btn-outline-secondary btn-sm" target="_blank">View profile</a>';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary btn-sm">&larr; Back</a>';
+    $out .= '</div></header>';
+
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="save_association">';
+    $out .= '<input type="hidden" name="assoc_slug" value="' . assoc_h($slug) . '">';
+
+    // Tab nav
+    $out .= '<ul class="nav nav-tabs assoc-edit-tabs mb-0" id="assocEditTabs" role="tablist">';
+    $first = true;
+    foreach ($groups as $group) {
+        $group_fields = $by_group[$group] ?? [];
+        if (empty($group_fields)) continue;
+        $tab_id  = 'tab-' . preg_replace('/[^a-z0-9]/', '-', strtolower($group));
+        $label   = $tab_labels[$group] ?? $group;
+        $active  = $first ? 'active' : '';
+        $selected = $first ? 'true' : 'false';
+        $out .= '<li class="nav-item" role="presentation">';
+        $out .= '<button class="nav-link ' . $active . '" id="' . assoc_h($tab_id) . '-btn"
+                         data-bs-toggle="tab"
+                         data-bs-target="#' . assoc_h($tab_id) . '-pane"
+                         type="button" role="tab"
+                         aria-selected="' . $selected . '">'
+              . assoc_h($label) . '</button>';
+        $out .= '</li>';
+        $first = false;
+    }
+    $out .= '</ul>';
+
+    // Tab panes
+    $out .= '<div class="tab-content assoc-edit-tab-content" id="assocEditTabContent">';
+    $first = true;
+    foreach ($groups as $group) {
+        $group_fields = $by_group[$group] ?? [];
+        if (empty($group_fields)) continue;
+        $tab_id = 'tab-' . preg_replace('/[^a-z0-9]/', '-', strtolower($group));
+        $active = $first ? 'show active' : '';
+
+        $out .= '<div class="tab-pane fade ' . $active . ' civicinfra-form-section assoc-tab-pane"'
+              . ' id="' . assoc_h($tab_id) . '-pane" role="tabpanel">';
+
+        foreach ($group_fields as $f) {
+            $nick  = $f['nickname'];
+            $val   = $entry[$nick] ?? ($f['default'] ?? '');
+            $type  = $f['type'] ?? 'text';
+            $label = $f['label'] ?? $nick;
+            $help  = $f['help'] ?? '';
+
+            if ($type === 'readonly') {
+                $out .= '<div class="mb-3">';
+                $out .= '<p class="civicinfra-help-text mb-0">' . assoc_h($label) . '</p>';
+                $out .= '<p class="mb-0">' . assoc_h($val ?: '—') . '</p>';
+                $out .= '</div>';
+                continue;
+            }
+
+            $out .= '<div class="mb-3">';
+            $out .= '<label class="form-label" for="' . assoc_h($nick) . '">' . assoc_h($label) . '</label>';
+            if ($help) $out .= '<p class="civicinfra-help-text mb-1">' . assoc_h($help) . '</p>';
+
+            if ($type === 'select' && !empty($f['options'])) {
+                $out .= '<select class="form-select form-select-sm" id="' . assoc_h($nick) . '"
+                                 name="' . assoc_h($nick) . '" style="max-width:20rem;">';
+                foreach ($f['options'] as $opt) {
+                    $sel  = ($val === $opt) ? 'selected' : '';
+                    $disp = ($opt === 'UNK') ? 'Unknown — not yet verified' : $opt;
+                    $out .= '<option value="' . assoc_h($opt) . '" ' . $sel . '>' . assoc_h($disp) . '</option>';
+                }
+                $out .= '</select>';
+            } else {
+                $wide = in_array($nick, ['assoc_legal_name','assoc_street','assoc_cai_listing',
+                                          'assoc_bbb_standing','assoc_idfpr_complaint',
+                                          'assoc_litigation_active','assoc_liens_active',
+                                          'assoc_mgmt_contact']);
+                $out .= '<input type="text" class="form-control form-control-sm"
+                                id="' . assoc_h($nick) . '" name="' . assoc_h($nick) . '"
+                                value="' . assoc_h($val) . '"'
+                      . ($wide ? '' : ' style="max-width:24rem;"') . '>';
+            }
+            $out .= '</div>';
+        }
+
+        $out .= '</div>'; // tab-pane
+        $first = false;
+    }
+    $out .= '</div>'; // tab-content
+
+    // Save bar below tabs
+    $out .= '<div class="assoc-save-bar">';
+    $out .= '<button type="submit" class="btn btn-primary">Save</button> ';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary">Cancel</a>';
+    $out .= '</div>';
+    $out .= '</form>';
+
+    // Delete section
+    $out .= '<div class="assoc-delete-confirm">';
+    $out .= '<h5>Delete Association</h5>';
+    $out .= '<p class="civicinfra-help-text">Permanently removes <strong>' . assoc_h($name) . '</strong> from the registry. ';
+    $out .= 'You must also remove the entry from <code>vs01/config.json</code> manually.</p>';
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage"
+                   onsubmit="return confirm('Permanently delete ' . addslashes(assoc_h($name)) . '? This cannot be undone.')">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="delete_association">';
+    $out .= '<input type="hidden" name="assoc_slug" value="' . assoc_h($slug) . '">';
+    $out .= '<button type="submit" class="btn btn-danger btn-sm">Delete ' . assoc_h($name) . '</button>';
+    $out .= '</form></div>';
+
+    $out .= '</div>';
+    return $out;
+}
+
+
+// ----------------------------------------------------------------------------
+// FIELDS MANAGEMENT
+// ----------------------------------------------------------------------------
+
+function assoc_render_fields_form() {
+    $def    = assoc_load_fields();
+    $groups = $def['groups'] ?? [];
+    $fields = $def['fields'] ?? [];
+
+    $out  = '<div class="assoc-manage">';
+    $out .= '<header class="civicinfra-manage-header">';
+    $out .= '<h1 class="civicinfra-manage-title">Manage Fields</h1>';
+    $out .= '<div class="civicinfra-manage-actions">';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary btn-sm">&larr; Back</a>';
+    $out .= '</div></header>';
+
+    $out .= '<div class="civicinfra-notice mb-4">';
+    $out .= 'Adding a field backfills all existing associations with the default value. ';
+    $out .= 'Removing a field deletes its data from <strong>all</strong> associations and cannot be undone.';
+    $out .= '</div>';
+
+    // Existing fields
+    $out .= '<section class="civicinfra-form-section">';
+    $out .= '<h2 class="civicinfra-record-heading">Existing Fields</h2>';
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="save_fields">';
+    $out .= '<div style="overflow-x:auto;">';
+    $out .= '<table class="table table-sm civicinfra-data-table">';
+    $out .= '<thead><tr>
+                <th>Nickname</th>
+                <th>Label</th>
+                <th>Type</th>
+                <th>Group</th>
+                <th>Help text</th>
+                <th></th>
+             </tr></thead><tbody>';
+
+    foreach ($fields as $f) {
+        $nick = $f['nickname'];
+        $type = $f['type'] ?? 'text';
+        $out .= '<tr>';
+        $out .= '<td><code class="civicinfra-record-id">' . assoc_h($nick) . '</code></td>';
+        $out .= '<td><input type="text" class="form-control form-control-sm"
+                            name="label_' . assoc_h($nick) . '"
+                            value="' . assoc_h($f['label'] ?? '') . '"
+                            style="min-width:10rem;"></td>';
+        $out .= '<td><span class="civicinfra-affordance">' . assoc_h($type) . '</span></td>';
+        $out .= '<td><input type="text" class="form-control form-control-sm"
+                            name="group_' . assoc_h($nick) . '"
+                            value="' . assoc_h($f['group'] ?? '') . '"
+                            style="min-width:8rem;"></td>';
+        $out .= '<td><input type="text" class="form-control form-control-sm"
+                            name="help_' . assoc_h($nick) . '"
+                            value="' . assoc_h($f['help'] ?? '') . '"
+                            style="min-width:14rem;"></td>';
+        $out .= '<td>';
+        if ($type !== 'readonly') {
+            $out .= '<button type="submit" form="rm-' . assoc_h($nick) . '" class="btn btn-danger btn-sm"
+                             onclick="return confirm(\'Remove ' . assoc_h($nick) . ' from ALL associations? Cannot be undone.\')">Remove</button>';
+        }
+        $out .= '</td></tr>';
+    }
+    $out .= '</tbody></table></div>';
+    $out .= '<div class="mt-3"><button type="submit" class="btn btn-primary btn-sm">Save Changes</button></div>';
+    $out .= '</form></section>';
+
+    // Hidden remove forms
+    foreach ($fields as $f) {
+        if (($f['type'] ?? '') === 'readonly') continue;
+        $nick = $f['nickname'];
+        $out .= '<form id="rm-' . assoc_h($nick) . '" method="post" action="' . z_root() . '/assoc_profile/manage" style="display:none;">';
+        $out .= assoc_csrf_token();
+        $out .= '<input type="hidden" name="assoc_action" value="remove_field">';
+        $out .= '<input type="hidden" name="remove_nickname" value="' . assoc_h($nick) . '">';
+        $out .= '</form>';
+    }
+
+    // Add new field
+    $out .= '<section class="civicinfra-form-section">';
+    $out .= '<h2 class="civicinfra-record-heading">Add New Field</h2>';
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="add_field">';
+    $out .= '<div class="row g-3">';
+    $out .= '<div class="col-md-2"><label class="form-label">Nickname</label>
+                <input type="text" class="form-control form-control-sm" name="new_nickname" placeholder="assoc_fieldname"></div>';
+    $out .= '<div class="col-md-2"><label class="form-label">Label</label>
+                <input type="text" class="form-control form-control-sm" name="new_label"></div>';
+    $out .= '<div class="col-md-1"><label class="form-label">Type</label>
+                <select class="form-select form-select-sm" name="new_type">
+                    <option value="text">text</option>
+                    <option value="select">select</option>
+                </select></div>';
+    $out .= '<div class="col-md-2"><label class="form-label">Group</label>
+                <input type="text" class="form-control form-control-sm" name="new_group" list="assoc-group-list">';
+    $out .= '<datalist id="assoc-group-list">';
+    foreach ($groups as $g) { $out .= '<option value="' . assoc_h($g) . '">'; }
+    $out .= '</datalist></div>';
+    $out .= '<div class="col-md-1"><label class="form-label">Default</label>
+                <input type="text" class="form-control form-control-sm" name="new_default" placeholder="UNK"></div>';
+    $out .= '<div class="col-md-2"><label class="form-label">Options <span class="civicinfra-help-text">(select only, one per line)</span></label>
+                <textarea class="form-control form-control-sm" name="new_options" rows="3"></textarea></div>';
+    $out .= '<div class="col-md-2"><label class="form-label">Help text</label>
+                <input type="text" class="form-control form-control-sm" name="new_help"></div>';
+    $out .= '</div>';
+    $out .= '<div class="mt-3"><button type="submit" class="btn btn-primary btn-sm">Add Field</button></div>';
+    $out .= '</form></section>';
+
+    // Group order
+    $out .= '<section class="civicinfra-form-section">';
+    $out .= '<h2 class="civicinfra-record-heading">Group Order</h2>';
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="save_fields">';
+    $out .= '<div class="mb-3">';
+    $out .= '<label class="form-label" for="group-order">Groups <span class="civicinfra-help-text">(one per line, in display order)</span></label>';
+    $out .= '<textarea id="group-order" class="form-control form-control-sm" name="groups" rows="' . count($groups) . '" style="max-width:24rem;font-family:var(--bs-font-monospace)">'
+          . assoc_h(implode("\n", $groups)) . '</textarea>';
+    $out .= '</div>';
+    $out .= '<button type="submit" class="btn btn-primary btn-sm">Save Group Order</button>';
+    $out .= '</form></section>';
+
+    $out .= '</div>';
+    return $out;
+}
+
+// ----------------------------------------------------------------------------
+// EXPORT (download JSON)
+// ----------------------------------------------------------------------------
+
+function assoc_handle_export($slugs_csv) {
+    $registry = assoc_load_registry();
+    $slugs    = array_filter(array_map('trim', explode(',', $slugs_csv)));
+    $export   = [];
+    foreach ($slugs as $slug) {
+        if (isset($registry[$slug])) {
+            $export[$slug] = $registry[$slug];
+        }
+    }
+    if (empty($export)) {
+        return '<div class="civicinfra-notice civicinfra-warning">No matching associations found for export.</div>';
+    }
+    $json     = json_encode($export, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+    $filename = 'assoc-export-' . date('Y-m-d') . '.json';
+    header('Content-Type: application/json');
+    header('Content-Disposition: attachment; filename="' . $filename . '"');
+    header('Content-Length: ' . strlen($json));
+    echo $json;
+    exit;
+}
+
+// ----------------------------------------------------------------------------
+// IMPORT PAGE
+// ----------------------------------------------------------------------------
+
+function assoc_render_import_form() {
+    $out  = '<div class="assoc-manage">';
+    $out .= '<header class="civicinfra-manage-header">';
+    $out .= '<h1 class="civicinfra-manage-title">Import Associations</h1>';
+    $out .= '<div class="civicinfra-manage-actions">';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary btn-sm">&larr; Back</a>';
+    $out .= '</div></header>';
+
+    $out .= '<div class="civicinfra-notice mb-4">';
+    $out .= 'Upload a JSON export file. New associations will be added. Existing associations with changed data will be shown for your review before any changes are applied.';
+    $out .= '</div>';
+
+    $out .= '<section class="civicinfra-form-section">';
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage"
+                   enctype="multipart/form-data">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="import_upload">';
+    $out .= '<div class="mb-3">';
+    $out .= '<label class="form-label" for="import_file">Association registry JSON file</label>';
+    $out .= '<input type="file" class="form-control form-control-sm" id="import_file"
+                    name="import_file" accept=".json" required style="max-width:24rem;">';
+    $out .= '</div>';
+    $out .= '<button type="submit" class="btn btn-primary">Upload and Review</button>';
+    $out .= '</form></section></div>';
+    return $out;
+}
+
+// ----------------------------------------------------------------------------
+// IMPORT — HANDLE UPLOAD AND PRODUCE DIFF
+// ----------------------------------------------------------------------------
+
+function assoc_handle_import_upload() {
+    if (empty($_FILES['import_file']['tmp_name'])) {
+        return '<div class="civicinfra-notice civicinfra-warning">No file received.</div>';
+    }
+
+    $raw = @file_get_contents($_FILES['import_file']['tmp_name']);
+    if (!$raw) {
+        return '<div class="civicinfra-notice civicinfra-warning">Could not read uploaded file.</div>';
+    }
+
+    $incoming = json_decode($raw, true);
+    if (json_last_error() !== JSON_ERROR_NONE) {
+        return '<div class="civicinfra-notice civicinfra-warning">Invalid JSON in uploaded file.</div>';
+    }
+
+    // Strip meta keys
+    foreach (['_note','_version','_slug_format','_select_values'] as $k) unset($incoming[$k]);
+
+    $registry = assoc_load_registry();
+    $new      = [];
+    $changed  = [];
+    $same     = [];
+
+    foreach ($incoming as $slug => $entry) {
+        if (!isset($registry[$slug])) {
+            $new[$slug] = $entry;
+        } else {
+            $diffs = assoc_diff_entry($registry[$slug], $entry);
+            if (!empty($diffs)) {
+                $changed[$slug] = ['current' => $registry[$slug], 'incoming' => $entry, 'diffs' => $diffs];
+            } else {
+                $same[$slug] = true;
+            }
+        }
+    }
+
+    if (empty($new) && empty($changed)) {
+        return '<div class="civicinfra-notice">No changes found. The uploaded file matches the current registry.</div>'
+             . '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary btn-sm mt-3">&larr; Back</a>';
+    }
+
+    // Encode the incoming data for the confirmation form
+    $encoded = base64_encode(json_encode($incoming));
+
+    $out  = '<div class="assoc-manage">';
+    $out .= '<header class="civicinfra-manage-header">';
+    $out .= '<h1 class="civicinfra-manage-title">Review Import</h1>';
+    $out .= '</header>';
+
+    if (!empty($new)) {
+        $out .= '<section class="civicinfra-form-section mb-4">';
+        $out .= '<h2 class="civicinfra-record-heading">New — ' . count($new) . ' association' . (count($new) > 1 ? 's' : '') . '</h2>';
+        $out .= '<p class="civicinfra-help-text">These do not exist in the current registry and will be added.</p>';
+        $out .= '<ul class="civicinfra-channel-list">';
+        foreach ($new as $slug => $entry) {
+            $out .= '<li><span class="civicinfra-channel-label">' . assoc_h($entry['assoc_legal_name'] ?? $slug) . '</span>';
+            $out .= ' <code class="civicinfra-record-id">' . assoc_h($slug) . '</code></li>';
+        }
+        $out .= '</ul></section>';
+    }
+
+    if (!empty($changed)) {
+        $out .= '<section class="civicinfra-form-section mb-4">';
+        $out .= '<h2 class="civicinfra-record-heading">Changed — ' . count($changed) . ' association' . (count($changed) > 1 ? 's' : '') . '</h2>';
+        $out .= '<p class="civicinfra-help-text">These exist in the registry with different values. Choose to import or skip each one.</p>';
+        $out .= '<div id="assoc-diff-container">';
+
+        foreach ($changed as $slug => $data) {
+            $name = $data['current']['assoc_legal_name'] ?? $slug;
+            $out .= '<div class="assoc-diff-entry assoc-diff-entry-changed">';
+            $out .= '<div class="assoc-diff-entry-header">';
+            $out .= '<span class="civicinfra-channel-label">' . assoc_h($name) . '</span>';
+            $out .= '<code class="civicinfra-record-id">' . assoc_h($slug) . '</code>';
+            $out .= '<div class="d-flex gap-2 ms-auto">';
+            $out .= '<label class="d-flex align-items-center gap-1 fw-normal">
+                        <input type="radio" name="diff_action[]" value="import" data-slug="' . assoc_h($slug) . '" checked> Import changes
+                     </label>';
+            $out .= '<label class="d-flex align-items-center gap-1 fw-normal">
+                        <input type="radio" name="diff_action[]" value="skip" data-slug="' . assoc_h($slug) . '"> Skip
+                     </label>';
+            $out .= '</div></div>';
+
+            $out .= '<div class="civicinfra-diff-block">';
+            foreach ($data['diffs'] as $field => $diff) {
+                $out .= '<span class="civicinfra-diff-remove">' . assoc_h($field) . ': ' . assoc_h($diff['current']) . '</span>';
+                $out .= '<span class="civicinfra-diff-add">' . assoc_h($field) . ': ' . assoc_h($diff['incoming']) . '</span>';
+            }
+            $out .= '</div></div>';
+        }
+        $out .= '</div></section>';
+    }
+
+    if (!empty($same)) {
+        $out .= '<p class="civicinfra-record-meta mb-4">' . count($same) . ' association' . (count($same) > 1 ? 's' : '') . ' unchanged — skipped.</p>';
+    }
+
+    $out .= '<form method="post" action="' . z_root() . '/assoc_profile/manage">';
+    $out .= assoc_csrf_token();
+    $out .= '<input type="hidden" name="assoc_action" value="import_confirm">';
+    $out .= '<input type="hidden" name="import_data" value="' . assoc_h($encoded) . '">';
+
+    // Collect diff decisions
+    foreach ($changed as $slug => $data) {
+        $out .= '<input type="hidden" name="diff_decisions[' . assoc_h($slug) . ']" value="import" id="diff-decision-' . assoc_h($slug) . '">';
+    }
+
+    $out .= '<div class="d-flex gap-2 mt-2">';
+    $out .= '<button type="submit" class="btn btn-primary">Apply Import</button>';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage/import" class="btn btn-outline-secondary">Upload different file</a>';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary">Cancel</a>';
+    $out .= '</div></form></div>';
+
+    return $out;
+}
+
+// ----------------------------------------------------------------------------
+// IMPORT — CONFIRM AND APPLY
+// ----------------------------------------------------------------------------
+
+function assoc_handle_import_confirm() {
+    $encoded  = $_POST['import_data'] ?? '';
+    $incoming = json_decode(base64_decode($encoded), true);
+    if (!$incoming) {
+        return '<div class="civicinfra-notice civicinfra-warning">Import data missing or corrupted.</div>';
+    }
+
+    $decisions = $_POST['diff_decisions'] ?? [];
+    $registry  = assoc_load_registry();
+    $added     = 0;
+    $updated   = 0;
+    $skipped   = 0;
+
+    foreach ($incoming as $slug => $entry) {
+        if (!isset($registry[$slug])) {
+            // New — always add
+            $entry['assoc_registered'] = $entry['assoc_registered'] ?? date('Y-m-d');
+            $entry['assoc_updated']    = date('Y-m-d');
+            $registry[$slug]           = $entry;
+            $added++;
+        } else {
+            // Existing — check decision
+            $decision = $decisions[$slug] ?? 'import';
+            if ($decision === 'skip') {
+                $skipped++;
+            } else {
+                $entry['assoc_updated'] = date('Y-m-d');
+                $registry[$slug]        = $entry;
+                $updated++;
+            }
+        }
+    }
+
+    if (!assoc_write_registry($registry)) {
+        return '<div class="civicinfra-notice civicinfra-warning">Failed to write registry. Check server logs.</div>';
+    }
+
+    $out  = '<div class="civicinfra-notice">';
+    $out .= '<strong>Import complete.</strong> ';
+    if ($added)   $out .= $added . ' added. ';
+    if ($updated) $out .= $updated . ' updated. ';
+    if ($skipped) $out .= $skipped . ' skipped.';
+    $out .= '</div>';
+    $out .= '<a href="' . z_root() . '/assoc_profile/manage" class="btn btn-outline-secondary btn-sm mt-3">&larr; Back to Associations</a>';
+    return $out;
+}
+
+// ----------------------------------------------------------------------------
+// DIFF HELPER
+// ----------------------------------------------------------------------------
+
+function assoc_diff_entry($current, $incoming) {
+    $diffs = [];
+    $keys  = array_unique(array_merge(array_keys($current), array_keys($incoming)));
+    foreach ($keys as $key) {
+        $cv = $current[$key]  ?? '';
+        $iv = $incoming[$key] ?? '';
+        if ($cv !== $iv) {
+            $diffs[$key] = ['current' => $cv, 'incoming' => $iv];
+        }
+    }
+    return $diffs;
+}