docs: Update test coverage statistics after adding 5 auth service tests
Updated implementation-gaps.md to reflect new test coverage:
- Backend unit tests: 4,140 lines (was 2,863)
- Test cases: 217 (was 136)
- Service coverage: 46% (12/26 services, was 27%)
- Total test lines: 5,345 (unit + integration, was 4,068)
New test files added:
- mfa.service.spec.ts (477 lines, 28 tests)
- biometric-auth.service.spec.ts (287 lines, 18 tests)
- session.service.spec.ts (237 lines, 16 tests)
- device-trust.service.spec.ts (134 lines, 10 tests)
- password-reset.service.spec.ts (142 lines, 9 tests)
Remaining: 14 services still need tests (email verification, analytics,
notifications, photo, voice, feedback, etc.)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Andrei
ca459d9c5e