app/Models/ChemistryThread.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class ChemistryThread extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'thread_id',
        'title',
        'status',
        'last_used_at',
    ];

    protected $casts = [
        'last_used_at' => 'datetime',
    ];

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function analyses(): HasMany
    {
        return $this->hasMany(ChemistryAnalysis::class);
    }
    public function csvJobs(): HasMany
    {
        return $this->hasMany(ChemistryCsvJob::class, 'chemistry_thread_id');
    }
}