Phase 2: Implement Domain & Mailbox persistence, Analytics, and fix pagination issues

app/Models/AnalyticsEvent.php

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+<?php
+
+namespace App\Models;
+
+use MongoDB\Laravel\Eloquent\Model;
+
+class AnalyticsEvent extends Model
+{
+    protected $connection = 'mongodb';
+
+    protected $collection = 'analytics_events';
+
+    protected $fillable = [
+        'event_type',
+        'mailbox_hash',
+        'domain_hash',
+        'user_type',
+        'user_id',
+        'ip_address',
+        'user_agent',
+        'metadata',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'metadata' => 'array',
+        ];
+    }
+}

app/Models/Domain.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Domain extends Model
+{
+    /** @use HasFactory<\Database\Factories\DomainFactory> */
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'domain_hash',
+        'name',
+        'allowed_types',
+        'is_active',
+        'is_archived',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'allowed_types' => 'array',
+            'is_active' => 'boolean',
+            'is_archived' => 'boolean',
+        ];
+    }
+
+    protected static function booted(): void
+    {
+        static::creating(function (Domain $domain) {
+            if (empty($domain->domain_hash)) {
+                $domain->domain_hash = bin2hex(random_bytes(32));
+            }
+        });
+    }
+
+    public function mailboxes()
+    {
+        return $this->hasMany(Mailbox::class, 'domain_hash', 'domain_hash');
+    }
+}

app/Models/Mailbox.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Mailbox extends Model
+{
+    /** @use HasFactory<\Database\Factories\MailboxFactory> */
+    use HasFactory;
+
+    protected $fillable = [
+        'mailbox_hash',
+        'domain_hash',
+        'user_id',
+        'session_id',
+        'address',
+        'type',
+        'created_ip',
+        'last_accessed_ip',
+        'last_accessed_at',
+        'is_blocked',
+        'block_reason',
+        'blocked_at',
+        'expires_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'is_blocked' => 'boolean',
+            'last_accessed_at' => 'datetime',
+            'blocked_at' => 'datetime',
+            'expires_at' => 'datetime',
+        ];
+    }
+
+    protected static function booted(): void
+    {
+        static::creating(function (Mailbox $mailbox) {
+            if (empty($mailbox->mailbox_hash)) {
+                $mailbox->mailbox_hash = bin2hex(random_bytes(32));
+            }
+
+            // Record creation analytics
+            \App\Jobs\TrackAnalytics::dispatch(
+                eventType: 'mailbox_created',
+                mailboxHash: $mailbox->mailbox_hash,
+                domainHash: $mailbox->domain_hash,
+                userId: $mailbox->user_id,
+                userType: $mailbox->user_id ? 'authenticated' : 'guest',
+                ipAddress: request()->ip(),
+                userAgent: request()->userAgent()
+            );
+        });
+    }
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function emails()
+    {
+        return $this->hasMany(Email::class, 'recipient_email', 'address');
+    }
+
+    public function domain()
+    {
+        return $this->belongsTo(Domain::class, 'domain_hash', 'domain_hash');
+    }
+}