phase 4

app/Models/AlertRule.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUlids;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AlertRule extends Model
+{
+    use HasUlids;
+
+    protected $fillable = [
+        'project_id',
+        'type',
+        'enabled',
+        'config',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'enabled' => 'boolean',
+            'config' => 'array',
+        ];
+    }
+
+    public function project(): BelongsTo
+    {
+        return $this->belongsTo(Project::class);
+    }
+
+    public function getSpikeThreshold(): int
+    {
+        return $this->config['threshold'] ?? 10;
+    }
+
+    public function getSpikeWindowMinutes(): int
+    {
+        return $this->config['window_minutes'] ?? 5;
+    }
+}