feat: add QR hardware wallet support#1757

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ethermachine wants to merge 7 commits intofloating:developfrom

ethermachine:wallets-qr

Commits on Jan 12, 2026

Commits on Feb 4, 2026

feat: Improve QR signing reliability by standardizing transaction data, normalizing signature `v` values, and enhancing QR code display and encoding.
ethermachine
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feat: Introduce a stable `profileId` for QR devices based on derivation details and update signer management to use it, along with new `accountSource` and `childrenPath` fields.
ethermachine
committed

Commits on Feb 5, 2026

fix: resolve personal_sign signature verification failure for QR signers
ethermachine
committed

Commits on Feb 6, 2026

feat: Improve QR signer robustness by clearing stale requests and enhancing signature verification with flipped recovery IDs for legacy transactions.
ethermachine
committed