Add kafka-streams module: fraud detection topology tested with TopologyTestDriver

Similarity scoring, a 5-minute windowed count that alerts once, and a KTable blocklist join, with the Spring wiring on Spring Boot 4.1.1 and Kafka Streams 4.2.1. Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01RjfyTgmERTWLqzafu34Cth
2026-10-14 06:44:56 +00:00
parent 5db56e70a0
commit 59fcdbe079
19 changed files with 520 additions and 0 deletions
@@ -0,0 +1,6 @@
+c1,4700.0,3,crypto                       score=1.0000
+c1,3000.0,2,electronics                  score=1.0000
+c1,45.0,18,grocery                       score=-0.1185
+c1,120.0,13,electronics                  score=0.1387
+c1,2500.0,14,crypto                      score=0.2136
+threshold: 0.98