chore: split parse and cost errors

[francesco-stacks]

Description

Applicable issues

• fixes #

Additional info (benefits, drawbacks, caveats)

Checklist

• Test coverage for new or modified code paths
• Changelog is updated
• Required documentation changes (e.g., docs/rpc/openapi.yaml and rpc-endpoints.md for v2 endpoints, event-dispatcher.md for new events)
• New clarity functions have corresponding PR in clarity-benchmarking repo

[codecov]

Codecov Report

❌ Patch coverage is 9.44882% with 115 lines in your changes missing coverage. Please review.
✅ Project coverage is 28.58%. Comparing base (3cd5ad2) to head (522c5ba).
⚠️ Report is 26 commits behind head on develop.

Files with missing lines	Patch %	Lines
clarity/src/vm/tests/defines.rs	0.00%	31 Missing ⚠️
clarity/src/vm/ast/mod.rs	21.21%	26 Missing ⚠️
clarity-types/src/errors/ast.rs	0.00%	19 Missing ⚠️
...ty/src/vm/analysis/type_checker/v2_05/tests/mod.rs	0.00%	12 Missing ⚠️
clarity/src/vm/clarity.rs	9.09%	10 Missing ⚠️
clarity/src/vm/ast/definition_sorter/tests.rs	0.00%	7 Missing ⚠️
clarity/src/vm/errors.rs	0.00%	6 Missing ⚠️
stackslib/src/chainstate/tests/parse_tests.rs	0.00%	3 Missing ⚠️
clarity/src/vm/ast/definition_sorter/mod.rs	80.00%	1 Missing ⚠️

❌ Your project check has failed because the head coverage (28.58%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #6812       +/-   ##
============================================
- Coverage    72.75%   28.58%   -44.18%     
============================================
  Files          586      586               
  Lines       362350   362434       +84     
============================================
- Hits        263618   103585   -160033     
- Misses       98732   258849   +160117     

Files with missing lines	Coverage Δ
clarity-types/src/errors/mod.rs	0.00% <ø> (-33.34%)	⬇️
clarity/src/vm/analysis/trait_checker/tests.rs	0.00% <ø> (-85.43%)	⬇️
...ity/src/vm/analysis/type_checker/v2_1/tests/mod.rs	0.00% <ø> (-88.89%)	⬇️
contrib/clarity-cli/src/lib.rs	0.00% <ø> (-78.20%)	⬇️
clarity/src/vm/ast/definition_sorter/mod.rs	81.56% <80.00%> (-14.25%)	⬇️
stackslib/src/chainstate/tests/parse_tests.rs	0.00% <0.00%> (-77.70%)	⬇️
clarity/src/vm/errors.rs	31.68% <0.00%> (-40.20%)	⬇️
clarity/src/vm/ast/definition_sorter/tests.rs	0.00% <0.00%> (-100.00%)	⬇️
clarity/src/vm/clarity.rs	75.31% <9.09%> (-10.40%)	⬇️
...ty/src/vm/analysis/type_checker/v2_05/tests/mod.rs	0.00% <0.00%> (-91.33%)	⬇️
... and 3 more

... and 509 files with indirect coverage changes

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