chore: refactor complex validation processing logic

[samayer12]

Description

Addresses complexity in validate-processor.ts

End to End Test:
(See Pepr Excellent Examples)

Related Issue

Fixes #1381
Relates to #1248

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Other (security config, docs update, etc)

Checklist before merging

• Unit, Journey, E2E Tests, docs, adr added or updated as needed
• Contributor Guide Steps followed

[codecov]

Codecov Report

Attention: Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 78.97%. Comparing base (c84043e) to head (155ddcb).

Files with missing lines	Patch %	Lines
src/lib/validate-processor.ts	20.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1382      +/-   ##
==========================================
+ Coverage   78.32%   78.97%   +0.64%     
==========================================
  Files          36       36              
  Lines        1698     1698              
  Branches      379      379              
==========================================
+ Hits         1330     1341      +11     
+ Misses        366      355      -11     
  Partials        2        2              

Files with missing lines	Coverage Δ
src/lib/validate-processor.ts	42.10% <20.00%> (+28.94%)	⬆️

[samayer12]

On hold in favor of #1402