Implement compliance exports and retention overrides

database/migrations/2026_01_02_190343_create_retention_overrides_table.php

@@ -0,0 +1,39 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('retention_overrides', function (Blueprint $table) {
+            $table->id();
+            $table->string('scope', 20);
+            $table->foreignId('tenant_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignId('event_id')->nullable()->constrained()->nullOnDelete();
+            $table->string('reason', 200);
+            $table->text('note')->nullable();
+            $table->foreignId('created_by_id')->nullable()->constrained('users')->nullOnDelete();
+            $table->foreignId('released_by_id')->nullable()->constrained('users')->nullOnDelete();
+            $table->timestamp('released_at')->nullable();
+            $table->timestamps();
+
+            $table->index(['scope', 'released_at']);
+            $table->index(['tenant_id', 'released_at']);
+            $table->index(['event_id', 'released_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('retention_overrides');
+    }
+};

database/migrations/2026_01_02_190408_add_scope_fields_to_data_exports_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('data_exports', function (Blueprint $table) {
+            $table->string('scope', 20)->default('user')->after('tenant_id');
+            $table->foreignId('event_id')->nullable()->after('scope')->constrained()->nullOnDelete();
+            $table->boolean('include_media')->default(false)->after('event_id');
+
+            $table->index(['scope']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('data_exports', function (Blueprint $table) {
+            $table->dropIndex(['scope']);
+            $table->dropColumn('include_media');
+            $table->dropConstrainedForeignId('event_id');
+            $table->dropColumn('scope');
+        });
+    }
+};