feat: fix issues discovered by validation

[drmorr0]

• I certify that this PR does not contain any code that has been generated with GitHub Copilot or any other AI-based code generation tool, in accordance with this project's policies.

Description

Fix issues discovered by skctl validation

Testing done

• Manual testing on a trace file
• test apply patch, validation fixes

[codecov]

Codecov Report

Attention: Patch coverage is 54.74453% with 62 lines in your changes missing coverage. Please review.

Project coverage is 72.55%. Comparing base (21b5fe5) to head (f39d665).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
sk-cli/src/validation/summary.rs	0.00%	19 Missing ⚠️
sk-cli/src/validation/validation_store.rs	70.27%	11 Missing ⚠️
sk-cli/src/validation/mod.rs	0.00%	10 Missing ⚠️
sk-store/src/store.rs	16.66%	10 Missing ⚠️
sk-cli/src/validation/annotated_trace.rs	86.66%	6 Missing ⚠️
sk-cli/src/validation/status_field_populated.rs	25.00%	3 Missing ⚠️
sk-cli/src/xray/app.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #163      +/-   ##
==========================================
- Coverage   73.39%   72.55%   -0.85%     
==========================================
  Files          54       55       +1     
  Lines        2808     2911     +103     
==========================================
+ Hits         2061     2112      +51     
- Misses        747      799      +52     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests