[FEAT]: App lock

[hyper-weavers]

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Feature for App(s)

• Pangu
• Vatti

Problem Statement

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Sensitive financial data can be viewed by anyone having access to the device in unlocked condition.

Proposed Solution

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Add biometric lock to access the app.
Make it configurable under the settings screen.

Related Issues

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Issue Numbers:

Alternatives Considered

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Additional Context

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Pure client side implementation using Web Authentication (WebAuthn) API.