Implement compliance exports and retention overrides

app/Models/RetentionOverride.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\RetentionOverrideScope;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class RetentionOverride extends Model
+{
+    /** @use HasFactory<\Database\Factories\RetentionOverrideFactory> */
+    use HasFactory;
+
+    protected $fillable = [
+        'scope',
+        'tenant_id',
+        'event_id',
+        'reason',
+        'note',
+        'created_by_id',
+        'released_by_id',
+        'released_at',
+    ];
+
+    protected $casts = [
+        'scope' => RetentionOverrideScope::class,
+        'released_at' => 'datetime',
+    ];
+
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+
+    public function event(): BelongsTo
+    {
+        return $this->belongsTo(Event::class);
+    }
+
+    public function createdBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by_id');
+    }
+
+    public function releasedBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'released_by_id');
+    }
+
+    public function isActive(): bool
+    {
+        return $this->released_at === null;
+    }
+}