Extract the backend Testing section from backend/core into a dedicated
backend/testing memory, following the pattern of common, frontend, and
exporter. Update the testing skill and root testing memory to point at
the new location, and add exporter/testing to the skill's required
reading list.
AI-assisted-by: deepseek-v4-flash
- Remove conditional build from test scripts (frontend, common)
- Remove test:jvm from common package.json (JVM tests via clojure directly)
- Remove test from backend package.json (JVM tests via clojure directly)
- Unify common/scripts/test-quiet.js with frontend's BUILD_STEPS pattern
- Add execution discipline section to mem:testing (no piping, tee to file)
- Add READ mem:testing FIRST directives to module testing docs
AI-assisted-by: deepseek-v4-flash
