✨ (sample) [NO-ISSUE]: Add Celo signer to sample app

[mbertin-ledger]

📝 Description

Add a Celo signer page to the sample application. This reuses the Ethereum signer kit with a Celo-specific derivation path (44'/52752'/0'/0) and adds a new entry in the signers list view.

Changes:

• New SignerCelo component with Get Address, Sign Message, Sign Transaction, and Sign Typed Data device actions
• New /signers/celo page route
• Added Celo entry to the SignerView supported signers list

❓ Context

• JIRA or GitHub link: NO-ISSUE

✅ Checklist

• Covered by automatic tests
• Changeset is provided — No changeset needed: changes only affect the sample app (not a published package)
• Documentation is up-to-date
• Impact of the changes:
  • Adds Celo signer support to the sample application
  • No impact on published packages

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Project	Deployment	Actions	Updated (UTC)
device-sdk-ts-sample	Ready	Preview, Comment	Mar 10, 2026 4:40pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
doc-device-management-kit	Ignored		Mar 10, 2026 4:40pm

[github-actions]

Danger Check Results

Messages

⚠️	No changeset file found. Please make sure this is intended or add a changeset file.
✅	Danger: All checks passed successfully! 🎉

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