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

backend/database/SessionModel.php

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+<?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');
+    }
+}

backend/database/migrations/2026_05_17_000002_create_sessions_table.php

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+<?php
+
+namespace App\Database\Migrations;
+
+use App\Database\Migration;
+use Illuminate\Database\Capsule\Manager as Capsule;
+
+class CreateSessionsTable extends Migration
+{
+    public function up(): void
+    {
+        Capsule::schema()->create('sessions', function ($table) {
+            $table->string('token')->primary();
+            $table->integer('user_id')->unsigned();
+            $table->foreign('user_id')
+                ->references('id')
+                ->on('users')
+                ->cascadeOnDelete();
+            $table->dateTime('expires_at');
+            $table->dateTime('created_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Capsule::schema()->dropIfExists('sessions');
+    }
+}
+
+return CreateSessionsTable::class;