first commit

app/Models/Summary.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Summary extends Model
+{
+    protected $fillable = [
+        'content',
+        'key_insights',
+        'book_id',
+    ];
+
+    /**
+     * Get the book that owns the summary.
+     */
+    public function book()
+    {
+        return $this->belongsTo(Book::class);
+    }
+}