diff --git a/migrations/check_old_stubs.php b/migrations/check_old_stubs.php
new file mode 100644
index 0000000..86d6ec3
--- /dev/null
+++ b/migrations/check_old_stubs.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Diagnose: the six old-taxonomy category stubs under /products
+ * (#451-454, #456, #458) - their own content, their child pages (family
+ * level) and those children's content/state. Basis for the
+ * hide/move/redirect decision (2026-10-27).
+ *
+ * READ-ONLY. Usage: php migrations/check_old_stubs.php
+ */
+
+error_reporting(E_ALL);
+ini_set('display_errors', '1');
+
+$root = null;
+$dir = __DIR__;
+for ($i = 0; $i < 5; $i++) {
+    if (is_file($dir . '/config/system/settings.php')) { $root = $dir; break; }
+    $dir = dirname($dir);
+}
+if ($root === null) { exit("no project root\n"); }
+$settings = require $root . '/config/system/settings.php';
+$db = $settings['DB']['Connections']['Default'];
+$pdo = new PDO(
+    sprintf('mysql:host=%s;port=%s;dbname=%s;charset=utf8mb4', $db['host'] ?? 'localhost', $db['port'] ?? 3306, $db['dbname'] ?? ''),
+    $db['user'] ?? '', $db['password'] ?? '',
+    [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC]
+);
+
+function tree(PDO $pdo, int $pid, int $depth): void
+{
+    $rows = $pdo->query("SELECT uid, title, slug, doktype, layout, hidden, nav_hide, sorting
+                         FROM pages WHERE deleted = 0 AND pid = $pid ORDER BY sorting")->fetchAll();
+    foreach ($rows as $r) {
+        $ce = (int)$pdo->query("SELECT COUNT(*) FROM tt_content WHERE deleted = 0 AND hidden = 0 AND pid = {$r['uid']}")->fetchColumn();
+        printf("%s#%-5d dok=%d lay=%-2d hid=%d nav=%d ce=%-3d %-55s %s\n",
+            str_repeat('  ', $depth), $r['uid'], $r['doktype'], $r['layout'], $r['hidden'], $r['nav_hide'], $ce, $r['slug'], $r['title']);
+        tree($pdo, (int)$r['uid'], $depth + 1);
+    }
+}
+
+foreach ([451, 452, 453, 454, 456, 458] as $stub) {
+    $r = $pdo->query("SELECT uid, title, slug, hidden, nav_hide FROM pages WHERE uid = $stub")->fetch();
+    $ce = (int)$pdo->query("SELECT COUNT(*) FROM tt_content WHERE deleted = 0 AND hidden = 0 AND pid = $stub")->fetchColumn();
+    printf("STUB #%-4d hid=%d nav=%d ce=%-3d %-50s %s\n", $r['uid'], $r['hidden'], $r['nav_hide'], $ce, $r['slug'], $r['title']);
+    tree($pdo, $stub, 1);
+    echo "\n";
+}
diff --git a/migrations/retire_old_category_stubs.php b/migrations/retire_old_category_stubs.php
new file mode 100644
index 0000000..d31eace
--- /dev/null
+++ b/migrations/retire_old_category_stubs.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Retires the six old-taxonomy category stubs under /products (decision
+ * Olli 2026-10-27; diagnosis check_old_stubs.php: all six are EMPTY -
+ * no content elements, no child pages, so nothing needs moving):
+ *
+ *   soft-delete the stub page and queue a 301 sys_redirect onto its new
+ *   category equivalent. Guards: a stub with children or visible content
+ *   is skipped and reported; an existing redirect for the path is kept.
+ *
+ * Usage:  php migrations/retire_old_category_stubs.php          (dry run)
+ *         php migrations/retire_old_category_stubs.php --apply
+ */
+
+error_reporting(E_ALL);
+ini_set('display_errors', '1');
+
+$apply = in_array('--apply', $argv, true);
+
+$root = null;
+$dir = __DIR__;
+for ($i = 0; $i < 5; $i++) {
+    if (is_file($dir . '/config/system/settings.php')) { $root = $dir; break; }
+    $dir = dirname($dir);
+}
+if ($root === null) { exit("no project root\n"); }
+$settings = require $root . '/config/system/settings.php';
+$db = $settings['DB']['Connections']['Default'];
+$pdo = new PDO(
+    sprintf('mysql:host=%s;port=%s;dbname=%s;charset=utf8mb4', $db['host'] ?? 'localhost', $db['port'] ?? 3306, $db['dbname'] ?? ''),
+    $db['user'] ?? '', $db['password'] ?? '',
+    [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC]
+);
+
+$map = [
+    '/products/platforms-and-end-points' => '/products/iptv-and-digital-signage',
+    '/products/ip-video-streaming' => '/products/video-encoding-and-streaming',
+    '/products/control-room-solutions' => '/products/control-room-platforms',
+    '/products/avoip-distribution-kvm' => '/products/av-over-ip-and-kvm',
+    '/products/graphics-multi-display' => '/products/graphics-and-multi-display',
+    '/products/infrastructure-accessories' => '/products/infrastructure-and-accessories',
+];
+
+echo ($apply ? "APPLY\n" : "DRY-RUN\n");
+foreach ($map as $oldSlug => $newSlug) {
+    $stub = $pdo->prepare('SELECT uid, title FROM pages WHERE deleted = 0 AND slug = ?');
+    $stub->execute([$oldSlug]);
+    $stub = $stub->fetch();
+    if (!$stub) {
+        echo "  = $oldSlug: already gone\n";
+        continue;
+    }
+    $uid = (int)$stub['uid'];
+    $children = (int)$pdo->query("SELECT COUNT(*) FROM pages WHERE deleted = 0 AND pid = $uid")->fetchColumn();
+    $content = (int)$pdo->query("SELECT COUNT(*) FROM tt_content WHERE deleted = 0 AND pid = $uid")->fetchColumn();
+    if ($children > 0 || $content > 0) {
+        echo "  !! #$uid $oldSlug has $children child page(s) / $content element(s) - SKIPPED, decide manually\n";
+        continue;
+    }
+    $target = $pdo->prepare('SELECT uid FROM pages WHERE deleted = 0 AND slug = ?');
+    $target->execute([$newSlug]);
+    $targetUid = (int)($target->fetchColumn() ?: 0);
+    if ($targetUid === 0) {
+        echo "  !! target $newSlug not found - #$uid skipped\n";
+        continue;
+    }
+    $stmt = $pdo->prepare('SELECT COUNT(*) FROM sys_redirect WHERE deleted = 0 AND source_path = ?');
+    $stmt->execute([$oldSlug]);
+    $hasRedirect = (int)$stmt->fetchColumn();
+    echo "  ~ DELETE #$uid \"{$stub['title']}\" ($oldSlug) -> 301 to $newSlug (#$targetUid)" . ($hasRedirect ? ' [redirect exists, kept]' : '') . "\n";
+    if (!$apply) {
+        continue;
+    }
+    $pdo->prepare('UPDATE pages SET deleted = 1, tstamp = UNIX_TIMESTAMP() WHERE uid = ?')->execute([$uid]);
+    if (!$hasRedirect) {
+        $pdo->prepare(
+            "INSERT INTO sys_redirect (pid, createdon, updatedon, source_host, source_path, target, target_statuscode)
+             VALUES (0, UNIX_TIMESTAMP(), UNIX_TIMESTAMP(), '*', ?, ?, 301)"
+        )->execute([$oldSlug, 't3://page?uid=' . $targetUid]);
+    }
+}
+echo $apply ? "Done. Flush the cache (redirects are cached).\n" : "DRY RUN - add --apply to write.\n";