Add jep511 module: module import declarations on JDK 25 and 27

Runnable sources, deliberate compile failures, three small modules and nine captured transcripts for import module (JEP 511).

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a

jep511/broken/AmbiguousDate.java

@@ -0,0 +1,9 @@
+import module java.base;
+import module java.sql;
+
+public class AmbiguousDate {
+    public static void main(String[] args) {
+        Date d = new Date(0L);
+        System.out.println(d);
+    }
+}

jep511/broken/AmbiguousList.java

@@ -0,0 +1,10 @@
+import module java.base;
+import module java.desktop;
+
+public class AmbiguousList {
+    public static void main(String[] args) {
+        List<String> names = new ArrayList<>();
+        names.add("x");
+        System.out.println(names);
+    }
+}

jep511/broken/ClassicNoImport.java

@@ -0,0 +1,5 @@
+public class ClassicNoImport {
+    public static void main(String[] args) {
+        System.out.println(List.of("no imports at all"));
+    }
+}

jep511/broken/ModuleInsideClass.java

@@ -0,0 +1,3 @@
+public class ModuleInsideClass {
+    import module java.base;
+}

jep511/broken/NoSuchModule.java

@@ -0,0 +1,5 @@
+import module java.nosuch;
+
+public class NoSuchModule {
+    public static void main(String[] args) { }
+}

jep511/broken/SqlDoesNotGiveBase.java

@@ -0,0 +1,8 @@
+import module java.sql;
+
+public class SqlDoesNotGiveBase {
+    public static void main(String[] args) {
+        List<String> l = List.of("x");     // java.util.List lives in java.base
+        System.out.println(l);
+    }
+}