test: Verify pre-commit hook formatting check

build.gradle

@@ -2,6 +2,7 @@ plugins {
 	id 'java'
 	id 'org.springframework.boot' version '3.5.7'
 	id 'io.spring.dependency-management' version '1.1.7'
+	id 'com.diffplug.spotless' version '6.25.0'
 }
 
 group = 'com.kamco.cd'
@@ -58,3 +59,22 @@ tasks.named('test') {
 bootJar {
 	archiveFileName = 'ROOT.jar'
 }
+
+// Spotless configuration for code formatting
+spotless {
+	java {
+		target 'src/**/*.java'
+		googleJavaFormat('1.19.2').aosp().reflowLongStrings()
+		indentWithSpaces(2)
+		trimTrailingWhitespace()
+		endWithNewline()
+		importOrder()
+		removeUnusedImports()
+		formatAnnotations()
+	}
+}
+
+// Run spotlessCheck before build
+tasks.named('build') {
+	dependsOn 'spotlessCheck'
+}