Add SKILLS.md generator (derives full tool reference from Batch*.php)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Q8t9GEyyLZbUQu26na1JQg

scripts/gen-skills.php

@@ -0,0 +1,32 @@
+<?php
+$dir = '/var/www/html/wp-content/plugins/advanced-mcp-plugin/';
+if (!empty($argv[1])) $dir = rtrim($argv[1], '/') . '/';
+$ext = $dir . 'includes/Extensions/';
+$files = glob($ext . 'Batch*.php') ?: [];
+natsort($files);
+$out  = "# Advanced MCP Plugin — Tool Reference\n\n";
+$out .= "Auto-generated " . date('Y-m-d') . " from includes/Extensions/Batch*.php. Every integration family below is guarded: its tools register only on a site where the named plugin/constant is active. Regenerate with scripts/gen-skills.php.\n\n";
+$total = 0; $fam = 0;
+foreach ($files as $f) {
+    $b = basename($f, '.php');
+    $src = file_get_contents($f);
+    preg_match('/Batch\s*\d+\s*[\x{2014}\-]+\s*(.+?)\./u', $src, $hm);
+    $title = isset($hm[1]) ? trim($hm[1]) : $b;
+    $guard = '(unconditional)';
+    if (preg_match('/if\s*\(\s*!\s*(?:defined|class_exists)\s*\(\s*[\'"]\\\\?([A-Za-z0-9_\\\\]+)[\'"]/', $src, $gm)) $guard = ltrim($gm[1], '\\');
+    preg_match_all('/\$def\(\s*\'([a-z0-9_]+)\'\s*,\s*\'((?:\\\\.|[^\'\\\\])*)\'.*?,\s*\'(read|write|admin|woocommerce)\'\s*,/s', $src, $mm, PREG_SET_ORDER);
+    if (!$mm) continue;
+    $fam++;
+    $out .= "## {$b} — {$title}\nGuard: `{$guard}`\n\n";
+    foreach ($mm as $m) {
+        $name = $m[1];
+        $desc = str_replace(["\\'", "\\\\"], ["'", "\\"], $m[2]);
+        $scope = $m[3];
+        $out .= "- `{$name}` _({$scope})_ — {$desc}\n";
+        $total++;
+    }
+    $out .= "\n";
+}
+$out .= "---\n\nFamilies documented: {$fam}. Tools documented: {$total}. (Core WordPress/WooCommerce/Elementor baseline tools register unconditionally and are included above where they live in a BatchN file; the remaining baseline is visible via the live registry / Tools tab.)\n";
+file_put_contents($dir . 'SKILLS.md', $out);
+echo "SKILLS.md bytes=" . strlen($out) . " families={$fam} tools={$total}\n";