[mmlado]

Summary

• The personal_sign approval view decodes the message only when it is 0x-prefixed hex and shows any other string as UTF-8 text, the same rule the wallet uses when it signs (signMessage in apps/wallet/src/data/api.ts).
• Adds personalMessageBytes in apps/wallet/src/lib/personal-message.ts, with tests.
• approval-page.tsx uses it in place of hexToReadableMessage.

Test plan

• apps/wallet unit tests pass, including the new personal-message.test.ts
• From a dApp, personal_sign with a plain-text message: the approval popup shows the text as written
• From a dApp, personal_sign with a hex message: the popup shows the decoded text
• From a dApp, personal_sign with multi-byte text (héllo 👋): the popup shows it intact
• Each signature recovers to the signing account over the message as sent

[vercel]

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[status-im-auto]

Jenkins Builds

❔	Commit	#️⃣	Finished (UTC)	Duration	Platform	Result
❌	11343de	1	2026-10-28 10:50:15	~2 min	wallet	📄log
❌	2316ecb	2	2026-10-28 12:16:42	~1 min	wallet	📄log

[github-actions]

⚠️ Preview deployment failed

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[JulesFiliot]

/ai-review

[github-actions]

AI review (claude-opus-5-5 + gpt-6-sol)

The main remaining risk is that binary personal_sign payloads may display as replacement characters rather than in a form the user can identify. Reviewer A flagged this display issue, while Reviewer B found no issues and noted that the displayed bytes match those identified by the helper. The change otherwise appears safe based on the reported tests for hex, plain text, and empty messages.

0 critical, 0 other issue(s) shown (threshold: major).

API usage

Call	Model	In	Cached	Out	Cost
reviewer-codex	gpt-6-sol	3343	0	742	$0.0141
reviewer-claude	claude-opus-5-5	5141	0	1031	$0.0412
synthesizer	gpt-6-luna	684	0	285	$0.0002

Total ~$0.0555

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⚠️ No Changeset found

Latest commit: 2316ecb

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[mmlado]

Messages whose bytes are not valid UTF-8 now show as 0x hex instead of replacement characters (2316ecb).

[JulesFiliot]

@mmlado tested and working, thank you for the PR! Let's merge this .