Wire admin studio SSR and search infrastructure

app/Models/UploadBatchItem.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+final class UploadBatchItem extends Model
+{
+    public const STATUS_UPLOADED = 'uploaded';
+    public const STATUS_PROCESSING = 'processing';
+    public const STATUS_NEEDS_METADATA = 'needs_metadata';
+    public const STATUS_NEEDS_REVIEW = 'needs_review';
+    public const STATUS_READY = 'ready';
+    public const STATUS_FAILED = 'failed';
+    public const STATUS_PUBLISHED = 'published';
+    public const STATUS_DELETED = 'deleted';
+
+    public const STAGE_QUEUED = 'queued';
+    public const STAGE_STORED = 'stored';
+    public const STAGE_THUMBNAILS = 'thumbnails';
+    public const STAGE_VISION_ANALYSIS = 'vision_analysis';
+    public const STAGE_MATURITY_CHECK = 'maturity_check';
+    public const STAGE_METADATA_SUGGESTIONS = 'metadata_suggestions';
+    public const STAGE_FINALIZED = 'finalized';
+
+    protected $fillable = [
+        'upload_batch_id',
+        'user_id',
+        'artwork_id',
+        'original_filename',
+        'status',
+        'processing_stage',
+        'error_code',
+        'error_message',
+        'metadata_completeness',
+        'is_ready_to_publish',
+        'uploaded_at',
+        'processed_at',
+        'published_at',
+    ];
+
+    protected $casts = [
+        'is_ready_to_publish' => 'boolean',
+        'uploaded_at' => 'datetime',
+        'processed_at' => 'datetime',
+        'published_at' => 'datetime',
+    ];
+
+    public function batch(): BelongsTo
+    {
+        return $this->belongsTo(UploadBatch::class, 'upload_batch_id');
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function artwork(): BelongsTo
+    {
+        return $this->belongsTo(Artwork::class);
+    }
+}