✍️ Create Signature Handling Hook

[rafamiziara]

Phase 2: Core Authentication Modules - Issue #5

Description

Build useSignatureHandling hook for automatic wallet signature requests.

Tasks

• Hook wrapping wagmi useSignMessage
• Auto-request signatures with error handling
• Track signature state and pending status
• Include co-located test file

Acceptance Criteria

• useSignatureHandling hook created
• Wagmi useSignMessage properly wrapped
• Auto-signature requests implemented
• State and status tracking
• Co-located test file with good coverage

Related

• Part of EPIC: Mobile V2 Complete Implementation EPIC: Mobile V2 Complete Implementation #46

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