Fail closed on cross-package enum switch constraints

Switch-arm equality now requires compatible enum types when both sides are package-qualified, while still accepting import-style vs FQN pairs like DomainCommand.ORDER_PAY.

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

state_machine_exporter/src/test/java/click/kamil/springstatemachineexporter/analysis/resolver/BooleanConstraintEvaluatorBindingsTest.java

@@ -29,6 +29,20 @@ class BooleanConstraintEvaluatorBindingsTest {
                 Map.of("commandKey", "order.pay"))).isTrue();
     }
 
+    @Test
+    void shouldRejectCrossPackageQualifiedEnumSwitchConstraint() {
+        assertThat(BooleanConstraintEvaluator.isCompatibleWithBindings(
+                "command == a.OrderEvent.PAY",
+                Map.of("command", "b.OrderEvent.PAY"))).isFalse();
+    }
+
+    @Test
+    void shouldAcceptPackageQualifiedRhsAgainstImportStyleBinding() {
+        assertThat(BooleanConstraintEvaluator.isCompatibleWithBindings(
+                "command == com.example.DomainCommand.ORDER_PAY",
+                Map.of("command", "DomainCommand.ORDER_PAY"))).isTrue();
+    }
+
     @Test
     void shouldRejectConstraintWhenBindingIsMissing() {
         assertThat(BooleanConstraintEvaluator.isCompatibleWithBindings(