fix(prism-agent): fix credential schema parsing as spec #1749

All 24 tests pass in 2s

11 files ±0 11 suites ±0 2s ⏱️ ±0s
24 tests ±0 24 ✅ +1 0 💤 ±0 0 ❌ - 1
25 runs ±0 25 ✅ +1 0 💤 ±0 0 ❌ - 1

Results for commit 9af14ab. ± Comparison against earlier commit 83d90c4.