fix: address review feedback from @coderabbitai[bot] on #7277

[thepastaclaw]

Addresses 12 review comment(s) from @coderabbitai[bot] on dashpay#7277.

Original PR author: @knst

Review comments addressed:

• [⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:
](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟠 Major

Don't echo the mnemonic in the exception.

If validation fails](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟠 Major

**Delay startup-setting writes until the helper wallets are fully ](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟠 Major

**Several failure paths leave an already-loaded wallet unexpectedl](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟠 Major

Guard the backup copy for direct-file wallets.

For plain-file](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟠 Major

Propagate delete failures from EraseRecords().

Line 1183 ig](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟡 Minor

This check never verifies the new derivation path.

Line 143 m](dashpay#7277 (comment))

• [

#](dashpay#7277 (comment))

• [Actionable comments posted: 7

🧹 Nitpick comments (2)

](dashpay#7277 (review))

• [⚠️ Potential issue | 🟡 Minor | ⚡ Quick win

**Propagate migrated wallet selection to RPC conso](dashpay#7277 (comment))

• [⚠️ Potential issue | 🟠 Major | ⚡ Quick win

**Abort migration when passphrase entry is cancell](dashpay#7277 (comment))

• [Actionable comments posted: 2

🤖 Prompt for all review comments with AI agent](https://github.com/dashpay/pull/7277#pullrequestreview-4458687894)

Original PR: dashpay#7277

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Automated fix by thepastaclaw

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