.forge/role-developer-001-attempt-1-run-13e76c4f33b3.md

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+# role-developer-001-attempt-1-run-13e76c4f33b3
+
+Forge 이슈 작업 브랜치 `forge/role-developer-001-attempt-1-run-13e76c4f33b3`.

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.2.5</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>com.example</groupId>
+    <artifactId>demo</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>demo</name>
+    <description>Minimal Spring Boot Application</description>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</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>

src/main/java/com/example/demo/DemoApplication.java

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+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DemoApplication.class, args);
+    }
+}

src/main/java/com/example/demo/controller/HelloController.java

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+package com.example.demo.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+    @GetMapping("/hello")
+    public ResponseEntity<String> hello(@RequestParam(required = false) String name) {
+        String message = (name != null && !name.isBlank())
+                ? "Hello, " + name + "!"
+                : "Hello, World!";
+        return ResponseEntity.ok(message);
+    }
+}

src/test/java/com/example/demo/DemoApplicationTests.java

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+package com.example.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.TestPropertySource;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@TestPropertySource(properties = {"spring.main.allow-bean-definition-overriding=true"})
+class DemoApplicationTests {
+
+    @Test
+    void contextLoads() {
+        // Verify Spring context loads successfully
+    }
+}

src/test/java/com/example/demo/controller/HelloControllerTest.java

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+package com.example.demo.controller;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(HelloController.class)
+class HelloControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    void hello_withoutName_returnsDefaultMessage() throws Exception {
+        mockMvc.perform(get("/hello"))
+                .andExpect(status().isOk())
+                .andExpect(content().string("Hello, World!"));
+    }
+
+    @Test
+    void hello_withName_returnsPersonalizedMessage() throws Exception {
+        mockMvc.perform(get("/hello").param("name", "Spring"))
+                .andExpect(status().isOk())
+                .andExpect(content().string("Hello, Spring!"));
+    }
+
+    @Test
+    void hello_withBlankName_returnsDefaultMessage() throws Exception {
+        mockMvc.perform(get("/hello").param("name", "   "))
+                .andExpect(status().isOk())
+                .andExpect(content().string("Hello, World!"));
+    }
+}