Fix/contract write error

[dssei]

Change writeContract params arc to Record type to fix method handler crashed error.

Testing

• unit tests
• local functional test with Claude

[changeset-bot]

🦋 Changeset detected

Latest commit: d21c2c4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@sei-js/mcp-server	Patch

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 7.18%. Comparing base (7b22fdf) to head (d21c2c4).

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #251   +/-   ##
=====================================
  Coverage   7.18%   7.18%           
=====================================
  Files        284     284           
  Lines      49484   49484           
  Branches   17235   17235           
=====================================
  Hits        3557    3557           
  Misses     45927   45927           

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