feat: better starting point

src/main/java/io/takima/temporalpractice/bakery/OrderCookiesApp.java

 package io.takima.temporalpractice.bakery;
 
+import io.takima.temporalpractice.bakery.kitchen.KitchenWorkflow;
+import io.takima.temporalpractice.bakery.kitchen.KitchenWorkflowImpl;
+
 public class OrderCookiesApp {
     public static void main(String[] args) {
+        KitchenWorkflow kitchenWorkflow = new KitchenWorkflowImpl();
         // This app simulates an order of cookies
         // It should call the workflow which makes cookies
+        kitchenWorkflow.makeCookies();
     }
 }

src/main/java/io/takima/temporalpractice/bakery/kitchen/bake/BakeService.java → src/main/java/io/takima/temporalpractice/bakery/bake/BakeService.java

-package io.takima.temporalpractice.bakery.kitchen.bake;
+package io.takima.temporalpractice.bakery.bake;
 
 public interface BakeService {
     void bake();

src/main/java/io/takima/temporalpractice/bakery/bake/BakeServiceImpl.java

+package io.takima.temporalpractice.bakery.bake;
+
+public class BakeServiceImpl implements BakeService {
+  @Override
+  public void bake() {
+    System.out.println("Now baking those cookies.");
+  }
+}

src/main/java/io/takima/temporalpractice/bakery/kitchen/batter/BatterService.java → src/main/java/io/takima/temporalpractice/bakery/batter/BatterService.java

-package io.takima.temporalpractice.bakery.kitchen.batter;
+package io.takima.temporalpractice.bakery.batter;
 
 public interface BatterService {
     void prepareBatter();

src/main/java/io/takima/temporalpractice/bakery/batter/BatterServiceImpl.java

+package io.takima.temporalpractice.bakery.batter;
+
+public class BatterServiceImpl implements BatterService {
+  @Override
+  public void prepareBatter() {
+    System.out.println("Mixing flour, sugar, and love...");
+  }
+}

src/main/java/io/takima/temporalpractice/bakery/kitchen/KitchenWorkflow.java

+package io.takima.temporalpractice.bakery.kitchen;
+
+public interface KitchenWorkflow {
+    void makeCookies();
+}

src/main/java/io/takima/temporalpractice/bakery/kitchen/KitchenWorkflowImpl.java

 package io.takima.temporalpractice.bakery.kitchen;
 
-public class KitchenWorkflowImpl {
+public class KitchenWorkflowImpl implements KitchenWorkflow {
     public void makeCookies() {
         // Note: System.out.println is used here for simplicity
         // In real applications, you should use proper Workflow-aware logging (we'll cover this in Day 2)