Prototyped the object production scheduling.

Assets/Scripts/Products/DefectiveProduct.cs

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+using UnityEngine;
+
+public class DefectiveProduct : MonoBehaviour
+{
+    
+}

Assets/Scripts/Products/DefectiveProduct.cs.meta

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+fileFormatVersion: 2
+guid: 05b73befcbdd4bbfaaee667a8da86b1f
+timeCreated: 1723897738

Assets/Scripts/Products/ProductDescription.cs

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+using System;
+using UnityEngine;
+using Random = UnityEngine.Random;
+
+[CreateAssetMenu(fileName = "New Product Description", menuName = "Data/Product Description", order = 0)]
+public class ProductDescription : ScriptableObject
+{
+    [Serializable]
+    public struct Product
+    {
+        public GameObject Prefab;
+        [Range(0,100)]
+        public int Probability;
+    }
+
+    public Product[] Products;
+    
+    public GameObject GetRandomProduct()
+    {
+        float randomValue = Random.value;
+        float sum = 0;
+        
+        for (var i = 0; i < Products.Length; i++)
+        {
+            var product = Products[i];
+
+            sum += product.Probability / 100f;
+            if (randomValue <= sum)
+            {
+                return product.Prefab;
+            }
+        }
+
+        return null;
+    }
+}

Assets/Scripts/Products/ProductDescription.cs.meta

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+fileFormatVersion: 2
+guid: a80c2e8703664de8943062f03eedfe17
+timeCreated: 1723896074

Assets/Scripts/Products/ProductSpawner.cs

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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ProductSpawner : MonoBehaviour
+{
+    public enum ProductionPhaseType
+    {
+        Pause = 0,
+        Production = 1,
+    }
+    
+    [Serializable]
+    public struct ProductionPhase
+    {
+        public ProductionPhaseType Type;
+        public ProductDescription Description;
+        [Min(1f)]
+        public float Duration;
+        [Min(1f)]
+        public float TotalSpawnCount;
+        
+        public float SpawnInterval => Duration / TotalSpawnCount;
+    }
+    
+    public List<ProductionPhase> ProductionPhases;
+
+    public float _remainingDuration;
+    public float _spawnTimer;
+    
+    private void Update()
+    {
+        if (ProductionPhases.Count == 0)
+        {
+            enabled = false;
+            return;
+        }
+        
+        var currentPhase = ProductionPhases[0];
+
+        if (_remainingDuration <= 0)
+        {
+            _remainingDuration = currentPhase.Duration;
+            _spawnTimer = 0f;
+        }
+        
+        _remainingDuration -= Time.deltaTime;
+
+        if (currentPhase.Type != ProductionPhaseType.Pause)
+        {
+            _spawnTimer -= Time.deltaTime;
+
+            if (_spawnTimer >= 0f)
+            {
+                if (_remainingDuration <= 0)
+                {
+                    ProductionPhases.RemoveAt(0);
+                }
+                
+                return;
+            }
+
+            _spawnTimer = currentPhase.SpawnInterval;
+        
+            Instantiate(currentPhase.Description.GetRandomProduct(), transform.position, Quaternion.identity);
+        }
+        
+        if (_remainingDuration <= 0)
+        {
+            ProductionPhases.RemoveAt(0);
+        }
+    }
+}   

Assets/Scripts/Products/ProductSpawner.cs.meta

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+fileFormatVersion: 2
+guid: 13fa2421a3e649448c929ac42745ad65
+timeCreated: 1723896826