test: wire jest harness for QA gate (S1-f)

Add jest + ts-jest to the NestJS backend with an app.service smoke spec that
exercises Nest DI. `npm test` is the documented command the QA gate runs.

Trace: SRS §6 gate, NFR-8.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Brent Perteet
2026-08-20 12:53:36 -05:00
parent 9eefe50401
commit daa3407b9d
4 changed files with 3337 additions and 240 deletions

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