refactor(dynamic): replace reflective invocation with route replay logic for Micronaut and Quarkus, remove annotation stubs, and enhance runtime path binding

tests/dynamic_fixtures/java/micronaut_route/Benign.java

@@ -1,4 +1,4 @@
-// Phase 14 — Micronaut `@Controller`, benign.
+// Micronaut `@Controller`, benign.
 //
 // Same shape as the vuln but echoes a constant string instead of
 // concatenating the path variable into a shell command.