Initial Ladill Care release.

Healthcare management app: patients, appointments, consultations, lab,
pharmacy inventory, billing, and reports at care.ladill.com.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/InvestigationResultValue.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\BelongsToOwner;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class InvestigationResultValue extends Model
+{
+    use BelongsToOwner;
+
+    protected $table = 'care_investigation_result_values';
+
+    protected $fillable = [
+        'owner_ref', 'investigation_result_id', 'parameter', 'value', 'unit',
+        'reference_low', 'reference_high', 'reference_text', 'is_abnormal',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'reference_low' => 'decimal:4',
+            'reference_high' => 'decimal:4',
+            'is_abnormal' => 'boolean',
+        ];
+    }
+
+    public function result(): BelongsTo
+    {
+        return $this->belongsTo(InvestigationResult::class, 'investigation_result_id');
+    }
+}