refactor(integration): rename *IT to *IntegrationTest

Surefire picks up *Test.java by default, so *IntegrationTest.java was
running without the required JVM flags (--add-opens, --enable-native-access).
Fix: exclude *IntegrationTest from surefire; failsafe includes them
with the correct argLine.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: dfa1

integration/pom.xml

@@ -58,11 +58,23 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <excludes>
+            <exclude>**/*IntegrationTest.java</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-failsafe-plugin</artifactId>
         <version>3.5.2</version>
         <configuration>
+          <includes>
+            <include>**/*IntegrationTest.java</include>
+          </includes>
           <argLine>
             --add-opens java.base/java.nio=ALL-UNNAMED
             --enable-native-access=ALL-UNNAMED

…x/integration/JavaWritesRustReadsIT.java …/JavaWritesRustReadsIntegrationTest.javaintegration/src/test/java/io/github/dfa1/vortex/integration/JavaWritesRustReadsIT.java renamed to integration/src/test/java/io/github/dfa1/vortex/integration/JavaWritesRustReadsIntegrationTest.java integration/src/test/java/io/github/dfa1/vortex/integration/JavaWritesRustReadsIT.java renamed to integration/src/test/java/io/github/dfa1/vortex/integration/JavaWritesRustReadsIntegrationTest.java

@@ -31,7 +31,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 /// Cross-compatibility: Java writer → Rust (JNI) reader.
-class JavaWritesRustReadsIT {
+class JavaWritesRustReadsIntegrationTest {
 
     static {
         NativeLoader.loadJni();

…x/integration/RustWritesJavaReadsIT.java …/RustWritesJavaReadsIntegrationTest.javaintegration/src/test/java/io/github/dfa1/vortex/integration/RustWritesJavaReadsIT.java renamed to integration/src/test/java/io/github/dfa1/vortex/integration/RustWritesJavaReadsIntegrationTest.java integration/src/test/java/io/github/dfa1/vortex/integration/RustWritesJavaReadsIT.java renamed to integration/src/test/java/io/github/dfa1/vortex/integration/RustWritesJavaReadsIntegrationTest.java

@@ -32,7 +32,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 /// Cross-compatibility: Rust (JNI) writer → Java reader.
-class RustWritesJavaReadsIT {
+class RustWritesJavaReadsIntegrationTest {
 
     static {
         NativeLoader.loadJni();