chore: initial commit of existing codebase

app/Models/SupplierQuote.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class SupplierQuote extends Model
+{
+    protected $fillable = [
+        'rfq_invitation_id', 'purchase_request_id', 'supplier_id',
+        'submitted_at', 'lead_time_days', 'payment_terms', 'notes',
+        'total_amount', 'is_awarded', 'award_reason', 'awarded_at', 'awarded_by',
+    ];
+
+    protected $casts = [
+        'submitted_at' => 'datetime',
+        'awarded_at'   => 'datetime',
+        'is_awarded'   => 'boolean',
+    ];
+
+    public function rfqInvitation()
+    {
+        return $this->belongsTo(RfqInvitation::class);
+    }
+
+    public function purchaseRequest()
+    {
+        return $this->belongsTo(PurchaseRequest::class);
+    }
+
+    public function supplier()
+    {
+        return $this->belongsTo(Supplier::class);
+    }
+
+    public function items()
+    {
+        return $this->hasMany(SupplierQuoteItem::class);
+    }
+
+    public function awardedBy()
+    {
+        return $this->belongsTo(User::class, 'awarded_by');
+    }
+}