feat: implement AI styling foundation and billing scope rework

app/Services/AiEditing/Safety/AiSafetyDecision.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Services\AiEditing\Safety;
+
+class AiSafetyDecision
+{
+    /**
+     * @param  array<int, string>  $reasonCodes
+     */
+    public function __construct(
+        public readonly bool $blocked,
+        public readonly string $state,
+        public readonly array $reasonCodes = [],
+        public readonly ?string $failureCode = null,
+        public readonly ?string $failureMessage = null,
+    ) {}
+
+    public static function passed(): self
+    {
+        return new self(
+            blocked: false,
+            state: 'passed',
+        );
+    }
+
+    /**
+     * @param  array<int, string>  $reasonCodes
+     */
+    public static function blocked(array $reasonCodes, string $failureCode, string $failureMessage): self
+    {
+        return new self(
+            blocked: true,
+            state: 'blocked',
+            reasonCodes: array_values(array_unique($reasonCodes)),
+            failureCode: $failureCode,
+            failureMessage: $failureMessage,
+        );
+    }
+}