test: improve patch coverage for PR #52

[BYK]

Summary

Adds missing tests to achieve 100% patch coverage for the changes introduced in PR #52 (workspace-scoped alias caching).

Tests Added

test/lib/config.test.ts

• getCachedProject / setCachedProject / clearProjectCache - project cache by orgId:projectId
• getConfigPath - returns the config file path

test/lib/dsn.test.ts

• createDetectedDsn - creates DetectedDsn from valid/invalid DSN strings
• inferPackagePath - infers package paths from monorepo directory patterns (packages/, apps/, libs/, modules/, services/)

Coverage Improvement

File	Before	After
src/lib/config.ts	86.01%	97.11%
src/lib/dsn/parser.ts	94.52%	98.63%

[github-actions]

Semver Impact of This PR

⚪ None (no version bump detected)

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[github-actions]

Codecov Results 📊

✅ Patch coverage is 100.00%. Project has 1534 uncovered lines.
✅ Project coverage is 55.92%. Comparing base (base) to head (head).

Files with missing lines (18)

File	Patch %	Lines
human.ts	9.42%	⚠️ 731 Missing
oauth.ts	21.71%	⚠️ 202 Missing
api-client.ts	46.98%	⚠️ 123 Missing
resolver.ts	3.23%	⚠️ 120 Missing
errors.ts	5.94%	⚠️ 95 Missing
fixture.ts	28.74%	⚠️ 62 Missing
api.ts	66.30%	⚠️ 61 Missing
errors.ts	51.61%	⚠️ 60 Missing
preload.ts	39.02%	⚠️ 25 Missing
detector.ts	87.79%	⚠️ 16 Missing
cache.ts	76.27%	⚠️ 14 Missing
config.ts	97.11%	⚠️ 7 Missing
colors.ts	85.42%	⚠️ 7 Missing
index.ts	95.06%	⚠️ 4 Missing
env-file.ts	97.17%	⚠️ 3 Missing
alias.ts	96.43%	⚠️ 2 Missing
java.ts	97.22%	⚠️ 1 Missing
parser.ts	98.63%	⚠️ 1 Missing

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    55.07%    55.92%    +0.85%
==========================================
  Files           33        33         —
  Lines         3481      3480        -1
  Branches         0         0         —
==========================================
+ Hits          1917      1946       +29
- Misses        1564      1534       -30
- Partials         0         0         —

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