initial round of changes from Claude

app/Models/WeatherReport.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class WeatherReport extends Model
+{
+    /** @use HasFactory<\Database\Factories\WeatherReportFactory> */
+    use HasFactory;
+
+    protected $fillable = [
+        'type',
+        'reported_at',
+        'generated_at',
+        'latitude',
+        'longitude',
+        'elevation_meters',
+    ];
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'reported_at' => 'datetime',
+            'generated_at' => 'datetime',
+            'latitude' => 'decimal:7',
+            'longitude' => 'decimal:7',
+            'elevation_meters' => 'decimal:4',
+        ];
+    }
+
+    /**
+     * @return HasMany<WeatherPeriod, $this>
+     */
+    public function periods(): HasMany
+    {
+        return $this->hasMany(WeatherPeriod::class)->orderBy('period_number');
+    }
+}