MCP Java Testing Agent

# FINAL REPORT Summary of testing and style improvements for `A2` module - Tests added: - `A2/src/test/java/org/example/LeftPadUtilsTest.java` - `A2/src/test/java/org/example/MainTest.java` - Build & Test: - Command: `mvn -f A2/pom.xml test` - Tests ran: 9, Failures: 0 - Coverage (JaCoCo): - No uncovered methods reported by JaCoCo for the analyzed bundle after adding tests (constructors covered via reflection tests). - Checkstyle: - Initial issues were fixed by adding `package-info.java`, improving Javadocs, and reformatting braces/spacing. - Current Checkstyle violations: 0 - Files changed in this iteration: - `A2/pom.xml` (added `junit-jupiter-engine`) - `A2/src/main/java/org/example/package-info.java` (added) - `A2/src/main/java/org/example/LeftPadUtils.java` (Javadoc/formatting) - `A2/src/main/java/org/example/Main.java` (Javadoc/formatting) - `A2/src/test/java/org/example/LeftPadUtilsTest.java` (new tests) - `A2/src/test/java/org/example/MainTest.java` (new tests) If you want, I can push the branch and open a pull request now. Should I proceed to push and create a PR?