Implement creator studio and upload updates

app/Contracts/Images/SubjectDetectorInterface.php

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+<?php
+
+declare(strict_types=1);
+
+namespace App\Contracts\Images;
+
+use App\Data\Images\SubjectDetectionResultData;
+
+interface SubjectDetectorInterface
+{
+    /**
+     * @param array<string, mixed> $context
+     */
+    public function detect(string $sourcePath, int $sourceWidth, int $sourceHeight, array $context = []): ?SubjectDetectionResultData;
+}

app/Contracts/Moderation/ModerationRuleInterface.php

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+<?php
+
+namespace App\Contracts\Moderation;
+
+interface ModerationRuleInterface
+{
+    /**
+     * Analyze the given content and return an array of findings.
+     *
+     * Each finding is an associative array with:
+     *   - 'rule'     => string (rule identifier)
+     *   - 'score'    => int (score contribution)
+     *   - 'reason'   => string (human-readable reason)
+     *   - 'links'    => array (matched URLs, if any)
+     *   - 'domains'  => array (matched domains, if any)
+     *   - 'keywords' => array (matched keywords, if any)
+     *
+     * @param  string $content     The raw text content to analyze
+     * @param  string $normalized  Lowercase/trimmed version for matching
+     * @param  array  $context     Optional metadata (user_id, artwork_id, content_type, etc.)
+     * @return array<int, array>
+     */
+    public function analyze(string $content, string $normalized, array $context = []): array;
+}

app/Contracts/Moderation/ModerationSuggestionProviderInterface.php

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+<?php
+
+namespace App\Contracts\Moderation;
+
+use App\Data\Moderation\ModerationResultData;
+use App\Data\Moderation\ModerationSuggestionData;
+
+interface ModerationSuggestionProviderInterface
+{
+    /**
+     * @param array<string, mixed> $context
+     */
+    public function suggest(string $content, ModerationResultData $result, array $context = []): ModerationSuggestionData;
+}