Implement creator studio and upload updates

app/Services/Moderation/Rules/UnicodeObfuscationRule.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Services\Moderation\Rules;
+
+use App\Contracts\Moderation\ModerationRuleInterface;
+
+class UnicodeObfuscationRule implements ModerationRuleInterface
+{
+    public function analyze(string $content, string $normalized, array $context = []): array
+    {
+        $findings = [];
+        $weights = app('config')->get('content_moderation.weights', []);
+
+        // Detect homoglyph / lookalike characters
+        // Common spam tactic: replace Latin chars with Cyrillic, Greek, or special Unicode
+        $suspiciousPatterns = [
+            // Mixed script detection: Latin + Cyrillic in same word
+            '/\b(?=\S*[\x{0400}-\x{04FF}])(?=\S*[a-zA-Z])\S+\b/u',
+            // Zero-width characters
+            '/[\x{200B}\x{200C}\x{200D}\x{FEFF}\x{00AD}]/u',
+            // Invisible formatting characters
+            '/[\x{2060}\x{2061}\x{2062}\x{2063}\x{2064}]/u',
+            // Fullwidth Latin letters (used to bypass filters)
+            '/[\x{FF01}-\x{FF5E}]/u',
+            // Mathematical alphanumeric symbols used as text
+            '/[\x{1D400}-\x{1D7FF}]/u',
+        ];
+
+        $matchCount = 0;
+        foreach ($suspiciousPatterns as $pattern) {
+            if (preg_match($pattern, $content)) {
+                $matchCount++;
+            }
+        }
+
+        if ($matchCount > 0) {
+            $findings[] = [
+                'rule'     => 'unicode_obfuscation',
+                'score'    => ($weights['unicode_obfuscation'] ?? 30) * $matchCount,
+                'reason'   => 'Contains suspicious Unicode characters/obfuscation (' . $matchCount . ' pattern(s) matched)',
+                'links'    => [],
+                'domains'  => [],
+                'keywords' => [],
+            ];
+        }
+
+        return $findings;
+    }
+}