test: minimal vitest harness for backend and frontend

Ported from amal66/mike#24 onto current main; lockfiles regenerated against
this tree. Adds vitest as a dev dependency with a `test` script in both
packages, excludes test files from the backend tsc build, and seeds one
suite per package (backend: downloadTokens, 12 tests; frontend: cn() utils,
8 tests). Verified locally: backend 12/12, frontend 8/8 passing.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
QA Runner 2026-07-20 10:42:28 -07:00
parent dafac6b0a4
commit 4039b94980
7 changed files with 2683 additions and 31 deletions

1230
backend/package-lock.json generated

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