instancio: Instancio 6.1 lab (selectors, settings, seeds, records/sealed/generics, JUnit 6 extension, failing-seed capture)

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017ic4b4VQVEJWetTT1dYzyJ

instancio/output/08-unused-selector.txt

@@ -0,0 +1,17 @@
+field(Person.class, "doesNotExist"), first 8 lines:
+  org.instancio.exception.InstancioApiException:
+  
+  Error creating an object
+   -> at lab.instancio.CustomiseTest.lambda$unusedSelectorsAreAnErrorByDefault$0(CustomiseTest.java:138)
+  
+  Reason: invalid field 'doesNotExist' for class lab.instancio.domain.Person
+set(field(Order::status), ..) on an Address graph, first 8 lines:
+  org.instancio.exception.UnusedSelectorException:
+  Found unused selectors referenced in the following methods:
+  
+   -> Unused selector in: set()
+   1: field(Order::status)
+      at lab.instancio.CustomiseTest.lambda$unusedSelectorsAreAnErrorByDefault$1(CustomiseTest.java:139)
+  
+  This error aims to highlight potential problems and help maintain clean test code.
+with .lenient() the same call succeeds: true