wire postgres session repo, migrations, seed, and dev serve

backend/database/SessionModel.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Database;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class SessionModel extends Model
+{
+    protected $table = 'sessions';
+
+    public $timestamps = false;
+
+    protected $primaryKey = 'token';
+
+    public $incrementing = false;
+
+    protected $fillable = [
+        'token',
+        'user_id',
+        'expires_at',
+        'created_at',
+    ];
+
+    protected $casts = [
+        'expires_at' => 'datetime',
+        'created_at' => 'datetime',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(UserModel::class, 'user_id');
+    }
+}