[ICC-380] ✨ feat: 오픈 Renovate PR 6건 통합 승격 + Spring Boot 4.1 마이그레이션

app/build.gradle

@@ -76,6 +76,8 @@ dependencies {
 
     // 테스트
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    // 부팅 회귀 테스트(ApplicationContextBootTest)에서 CircuitBreakerRegistry를 주입받기 위해 필요
+    testImplementation libs.resilience4j.spring.boot3
 }
 
 springBoot {

app/src/test/java/com/icc/qasker/ApplicationContextBootTest.java

@@ -0,0 +1,58 @@
+package com.icc.qasker;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.github.resilience4j.circuitbreaker.CircuitBreaker;
+import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.ApplicationContext;
+import org.springframework.test.context.ActiveProfiles;
+
+/**
+ * 버전업 세이프티 넷 (RT-001 + RT-004): Spring Boot / Spring AI patch·minor 승격과 resilience4j 승격이
+ * ApplicationContext 부팅과 CircuitBreaker 등록 계약을 깨뜨리지 않음을 확인한다.
+ *
+ * <p>contextLoads()가 성공하면 전 모듈의 Bean 팩토리(ChatModel, Storage, DataSource 등)가 정상 구성된 것.
+ */
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.MOCK)
+@ActiveProfiles("test")
+class ApplicationContextBootTest {
+
+  @Autowired private ApplicationContext applicationContext;
+
+  @Autowired private CircuitBreakerRegistry circuitBreakerRegistry;
+
+  @Test
+  void contextLoads() {
+    assertThat(applicationContext).isNotNull();
+    assertThat(applicationContext.getId()).isNotBlank();
+  }
+
+  @Test
+  void chatModelBeanIsPresent() {
+    assertThat(applicationContext.getBeanNamesForType(resolveChatModelType()))
+        .as("Spring AI ChatModel bean 등록 확인")
+        .isNotEmpty();
+  }
+
+  @Test
+  void aiServerCircuitBreakerIsRegisteredWithExpectedConfig() {
+    CircuitBreaker cb = circuitBreakerRegistry.circuitBreaker("aiServer");
+    assertThat(cb).isNotNull();
+    assertThat(cb.getCircuitBreakerConfig().getFailureRateThreshold()).isEqualTo(60.0f);
+    assertThat(cb.getCircuitBreakerConfig().getMinimumNumberOfCalls()).isEqualTo(3);
+    assertThat(cb.getCircuitBreakerConfig().getSlidingWindowSize()).isEqualTo(10);
+    assertThat(cb.getCircuitBreakerConfig().getPermittedNumberOfCallsInHalfOpenState())
+        .isEqualTo(2);
+  }
+
+  private static Class<?> resolveChatModelType() {
+    try {
+      return Class.forName("org.springframework.ai.chat.model.ChatModel");
+    } catch (ClassNotFoundException e) {
+      throw new AssertionError("Spring AI ChatModel 클래스가 런타임 클래스패스에 없음", e);
+    }
+  }
+}

gradle/libs.versions.toml

@@ -1,27 +1,27 @@
 [versions]
 # ── BOMs ────────────────────────────────────────────────
-spring-boot = "3.5.8"
-spring-ai = "1.1.2"
-google-cloud = "26.67.0"
+spring-boot = "4.1.0"
+spring-ai = "2.0.0"
+google-cloud = "26.84.0"
 junit = "5.14.4"
 
 # ── Plugins ─────────────────────────────────────────────
 spotless = "7.0.4"
 google-java-format = "1.25.2"
 dependency-graph-generator = "0.8.0"
-jib = "3.4.0"
+jib = "3.5.3"
 foojay = "0.8.0"
 
 # ── Libraries ───────────────────────────────────────────
 jasypt = "3.0.5"
-springdoc = "2.8.17"
+springdoc = "3.0.3"
 auth0-jwt = "4.5.0"
 bucket4j = "8.19.0"
-jodconverter = "4.4.9"
+jodconverter = "4.4.11"
 hashids = "1.0.3"
-resilience4j = "2.3.0"
+resilience4j = "2.4.0"
 oci = "3.90.0"
-pdfbox = "3.0.3"
+pdfbox = "3.0.7"
 httpclient5 = "5.6.1"
 
 [libraries]
@@ -39,7 +39,7 @@ bucket4j-jdk17-core = { module = "com.bucket4j:bucket4j_jdk17-core", version.ref
 jodconverter-local-lo = { module = "org.jodconverter:jodconverter-local-lo", version.ref = "jodconverter" }
 jodconverter-spring-boot-starter = { module = "org.jodconverter:jodconverter-spring-boot-starter", version.ref = "jodconverter" }
 hashids = { module = "org.hashids:hashids", version.ref = "hashids" }
-resilience4j-spring-boot3 = { module = "io.github.resilience4j:resilience4j-spring-boot3", version.ref = "resilience4j" }
+resilience4j-spring-boot3 = { module = "io.github.resilience4j:resilience4j-spring-boot4", version.ref = "resilience4j" }
 oci-objectstorage = { module = "com.oracle.oci.sdk:oci-java-sdk-objectstorage", version.ref = "oci" }
 oci-httpclient-jersey3 = { module = "com.oracle.oci.sdk:oci-java-sdk-common-httpclient-jersey3", version.ref = "oci" }
 pdfbox = { module = "org.apache.pdfbox:pdfbox", version.ref = "pdfbox" }

infra/base-image/Dockerfile

@@ -1,6 +1,6 @@
 # eclipse-temurin:21-jdk-noble: arm64v8 공식 지원, Ubuntu 24.04(Noble) 기반
 # bookworm(Debian) 태그는 deprecated → noble 사용
-FROM eclipse-temurin:21-jdk-noble
+FROM eclipse-temurin:25.0.2_10-jdk-noble
 
 # ── 시스템 패키지 설치 ──────────────────────
 # DEBIAN_FRONTEND=noninteractive: apt 설치 중 대화형 프롬프트 방지