Baseline existing JVM architecture violations and block new ones

On Jenkins 2.479.3 core: 2,496 classes scanned in a median 3.289 seconds across five runs, with the same 41 findings each time.

The scanner works on compiled large/monolith Java/Kotlin bytecode effectively and detects dependency and architecture issues.

Existing violations can be baselined, so CI fails only when new violations are introduced. No architecture test code or source changes are required.