From 175e5ed0936ba7cb6fe224220bef06b6b0e2ea58 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Fri, 10 Jul 2026 18:02:12 +0000
Subject: [PATCH 1/4] forge: open work branch for
 BAIS-POLICY-1783705261-attempt-3

---
 .forge/BAIS-POLICY-1783705261-attempt-3.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .forge/BAIS-POLICY-1783705261-attempt-3.md

diff --git a/.forge/BAIS-POLICY-1783705261-attempt-3.md b/.forge/BAIS-POLICY-1783705261-attempt-3.md
new file mode 100644
index 0000000..9f2d8e5
--- /dev/null
+++ b/.forge/BAIS-POLICY-1783705261-attempt-3.md
@@ -0,0 +1,3 @@
+# BAIS-POLICY-1783705261-attempt-3
+
+Forge 이슈 작업 브랜치 `forge/BAIS-POLICY-1783705261-attempt-3`.

From 0294bea5748b87c8d79e1582d86b097c50987cc1 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Fri, 10 Jul 2026 18:02:26 +0000
Subject: [PATCH 2/4] =?UTF-8?q?PaymentService=20=EC=A0=95=EC=B1=85=20?=
 =?UTF-8?q?=EA=B8=B0=EB=B0=98=20=EC=A0=84=ED=99=98=20(BAIS-POLICY-17837052?=
 =?UTF-8?q?61)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 pom.xml | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 pom.xml

diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..1d4db07
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,39 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.example.baispolicy</groupId>
+    <artifactId>bais-policy</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.14</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

From 1d34b488883d59ff6ce11aed173834c6ab89f9f9 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Fri, 10 Jul 2026 18:02:27 +0000
Subject: [PATCH 3/4] =?UTF-8?q?PaymentService=20=EC=A0=95=EC=B1=85=20?=
 =?UTF-8?q?=EA=B8=B0=EB=B0=98=20=EC=A0=84=ED=99=98=20(BAIS-POLICY-17837052?=
 =?UTF-8?q?61)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/example/baispolicy/PaymentService.java    | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/main/java/com/example/baispolicy/PaymentService.java

diff --git a/src/main/java/com/example/baispolicy/PaymentService.java b/src/main/java/com/example/baispolicy/PaymentService.java
new file mode 100644
index 0000000..420d154
--- /dev/null
+++ b/src/main/java/com/example/baispolicy/PaymentService.java
@@ -0,0 +1,10 @@
+package com.example.baispolicy;
+
+public class PaymentService {
+    public String approve(String transactionId) {
+        if (transactionId == null || transactionId.isBlank()) {
+            throw new IllegalArgumentException("Transaction ID must not be blank.");
+        }
+        return "APPROVED:" + transactionId;
+    }
+}

From 861121ef3b72580c5304fa0f4cd4336e1058f92b Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Fri, 10 Jul 2026 18:02:28 +0000
Subject: [PATCH 4/4] =?UTF-8?q?PaymentService=20=EC=A0=95=EC=B1=85=20?=
 =?UTF-8?q?=EA=B8=B0=EB=B0=98=20=EC=A0=84=ED=99=98=20(BAIS-POLICY-17837052?=
 =?UTF-8?q?61)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../baispolicy/PaymentServiceTest.java        | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/test/java/com/example/baispolicy/PaymentServiceTest.java

diff --git a/src/test/java/com/example/baispolicy/PaymentServiceTest.java b/src/test/java/com/example/baispolicy/PaymentServiceTest.java
new file mode 100644
index 0000000..e29ee02
--- /dev/null
+++ b/src/test/java/com/example/baispolicy/PaymentServiceTest.java
@@ -0,0 +1,25 @@
+package com.example.baispolicy;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class PaymentServiceTest {
+    private final PaymentService paymentService = new PaymentService();
+
+    @Test
+    void testApprove_WithValidTransactionId_ShouldReturnApprovedMessage() {
+        String transactionId = "12345";
+        String result = paymentService.approve(transactionId);
+        assertEquals("APPROVED:12345", result);
+    }
+
+    @Test
+    void testApprove_WithBlankTransactionId_ShouldThrowException() {
+        assertThrows(IllegalArgumentException.class, () -> {
+            paymentService.approve("");
+        });
+        assertThrows(IllegalArgumentException.class, () -> {
+            paymentService.approve(null);
+        });
+    }
+}