Add refresh-tokens module: JWT refresh token rotation, token families and reuse detection on Spring Security 7.1

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017ic4b6XzpJxZ25cDyuw1Uk

refresh-tokens/src/test/java/com/ankurm/refresh/Transcript.java

@@ -0,0 +1,27 @@
+package com.ankurm.refresh;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+/** Collects lines and writes them to {@code output/<name>.txt} (relative to the module directory). */
+final class Transcript {
+
+    private final String name;
+    private final StringBuilder text = new StringBuilder();
+
+    Transcript(String name) {
+        this.name = name;
+    }
+
+    Transcript line(String format, Object... args) {
+        text.append(args.length == 0 ? format : String.format(format, args)).append('\n');
+        return this;
+    }
+
+    void write() throws IOException {
+        Path dir = Path.of("output");
+        Files.createDirectories(dir);
+        Files.writeString(dir.resolve(name + ".txt"), text.toString());
+    }
+}