🤖 Automated Modernization to Java 21

[sloan-dog]

🚀 Modernization Pipeline Results

This PR was automatically generated by the modernization pipeline.

📊 Pipeline Configuration

• Source Branch: master
• Target: Java 21 + Spring Boot 3.3
• Pipeline Run: 45
• Triggered by: @justingraham12

✅ Pipeline Stages Completed

🧪 Stage 1: Generate Baseline Test Suite

• ✅ Spring Boot upgraded to 2.7.x (for compatibility)
• ✅ Switched to Java 21 runtime
• ✅ DiffBlue baseline tests generated
• ✅ Test coverage measured and validated

⚡ Stage 2: Apply OpenRewrite Modernization

• ✅ Java version modernization applied
• ✅ Spring Boot framework upgraded
• ✅ Build compatibility fixes applied

✅ Stage 3: Run Regression Tests

• ✅ Post-modernization regression tests executed
• ✅ Functionality verified against baseline

✨ Stage 4: Apply LLM Style Guide

• ✅ AI-powered code cleanup applied
• ✅ Style guide compliance enforced
• ✅ Code quality improvements made

🎯 Stage 5: Final Validation & PR Creation

• ✅ Final test suite: All Tests Passed
• ✅ Pull request created successfully

📋 OpenRewrite Recipes Applied

• org.openrewrite.java.spring.boot2.UpgradeSpringBoot_2_7 (initial compatibility upgrade)
• org.openrewrite.java.migrate.UpgradeToJava21
• org.openrewrite.java.spring.boot3.UpgradeSpringBoot_3_3

👀 Next Steps

• Review automated changes in detail
• Verify test coverage meets requirements
• Check for any edge cases needing manual attention
• Approve and merge when satisfied