fix: Allow consecutive dashes in account name validation

gandalf_automationrequested to merge
fix-account-validator-consecutive-dashes into develop

Summary

Remove incorrect validation rule that rejected consecutive dashes in Hive account names.

Consecutive dashes ARE valid in Hive account names - for example, account a--a exists on the Hive blockchain.

Problem

The validateHiveAccountName function in smart-signer incorrectly rejected account names with consecutive dashes (e.g., a--a). This caused valid Hive accounts to be rejected in:

  • Login forms
  • Transfer dialogs
  • Other smart-signer validation contexts

Changes

  • packages/smart-signer/lib/validators/validate-hive-account-name.ts - Remove /--/ check, add clarifying comment

Test plan

  • Verify account a--a passes validation in login form
  • Verify account a--a can be used as transfer recipient
  • Verify other validation rules still work (length, starting letter, etc.)

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