fix(cli): change pipe delimiters to hash in version regexes

Pipe | as regex delimiter conflicts with alternation inside
(?:dev|alpha|beta|rc). Caused preg_match warnings and failed
version reads.

Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

cli/version_read.php

@@ -66,7 +66,7 @@ foreach ($manifestFiles as $xmlFile) {
     if (strpos($xmlContent, '<extension') === false && strpos($xmlContent, '<version>') === false) {
         continue;
     }
-    if (preg_match('|<version>(\d{2}\.\d{2}\.\d{2}(?:(?:-(?:dev|alpha|beta|rc))+)?)</version>|', $xmlContent, $xm)) {
+    if (preg_match('#<version>(\d{2}\.\d{2}\.\d{2}(?:(?:-(?:dev|alpha|beta|rc))+)?)</version>#', $xmlContent, $xm)) {
         $candidate = $xm[1];
         $candidateBase = preg_replace('/(-(dev|alpha|beta|rc))+$/', '', $candidate);
         $currentBase = $manifestVersion ? preg_replace('/(-(dev|alpha|beta|rc))+$/', '', $manifestVersion) : null;
@@ -119,7 +119,7 @@ if ($version === null) {
 // -- Backfill: if manifest.xml exists but lacks <version>, insert it --
 if (file_exists($mokoManifest)) {
     $content = file_get_contents($mokoManifest);
-    if (!preg_match('|<version>\d{2}\.\d{2}\.\d{2}((?:-(?:dev|alpha|beta|rc))+)?</version>|', $content)) {
+    if (!preg_match('#<version>\d{2}\.\d{2}\.\d{2}((?:-(?:dev|alpha|beta|rc))+)?</version>#', $content)) {
         if (strpos($content, '<license') !== false) {
             $content = preg_replace(
                 '|(\s*<license)|',