Fail closed on ambiguous enum type matching during linking

Pass CodebaseContext into StrictFqnMatchingEngine so import-style OrderEvent.PAY
cannot match a.OrderEvent.PAY when OrderEvent is ambiguous across packages.

Co-authored-by: Cursor <cursoragent@cursor.com>

state_machine_exporter/src/test/java/click/kamil/springstatemachineexporter/analysis/enricher/matching/StrictFqnMatchingEngineTest.java

@@ -3,6 +3,7 @@ package click.kamil.springstatemachineexporter.analysis.enricher.matching;
 import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
 import click.kamil.springstatemachineexporter.model.Event;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
 
 import java.util.List;
 
@@ -337,4 +338,27 @@ class StrictFqnMatchingEngineTest {
 
         assertThat(engine.matches(smEvent, triggerPoint)).isFalse();
     }
+
+    @Test
+    void shouldNotMatchImportStyleEnumWhenSimpleNameIsAmbiguous(@TempDir java.nio.file.Path tempDir) throws Exception {
+        java.nio.file.Files.createDirectories(tempDir.resolve("a"));
+        java.nio.file.Files.createDirectories(tempDir.resolve("b"));
+        java.nio.file.Files.writeString(tempDir.resolve("a/OrderEvent.java"),
+                "package a; public enum OrderEvent { PAY }");
+        java.nio.file.Files.writeString(tempDir.resolve("b/OrderEvent.java"),
+                "package b; public enum OrderEvent { PAY }");
+
+        click.kamil.springstatemachineexporter.ast.common.CodebaseContext context =
+                new click.kamil.springstatemachineexporter.ast.common.CodebaseContext();
+        context.scan(tempDir);
+
+        StrictFqnMatchingEngine engine = new StrictFqnMatchingEngine(context);
+        Event smEvent = Event.of("PAY", "a.OrderEvent.PAY");
+        TriggerPoint triggerPoint = TriggerPoint.builder()
+                .event("OrderEvent.PAY")
+                .polymorphicEvents(List.of("OrderEvent.PAY"))
+                .build();
+
+        assertThat(engine.matches(smEvent, triggerPoint)).isFalse();
+    }
 }