[codeX-james]

Summary

• invalidate mounted tool state through a versioned network epoch boundary, including rapid-switch regression coverage
• version generated registry output and assert the schema in navigation, search, panel lookup, and feature verification
• enforce feature-slice import boundaries in CI with failure fixtures and reviewed legacy exceptions
• add keyboard-operable accessible transaction trees with deep nesting and axe coverage
• repair decoder integration and runtime-contract gaps uncovered by the new checks

Validation

• focused Vitest suites pass
• npm run verify:features
• npm run verify:boundaries
• npm run lint (warnings only)
• npm run build

Closes #13
Closes #15
Closes #16
Closes #17

[drips-wave]

@codeX-james Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

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