📝 Create Message Generation Hook

[rafamiziara]

Phase 2: Core Authentication Modules - Issue #4

Description

Build useMessageGeneration hook for Firebase auth message creation.

Tasks

• Hook calling Firebase generateAuthMessage function
• Handle loading states and errors
• Cache message, nonce, timestamp
• Include co-located test file

Acceptance Criteria

• useMessageGeneration hook created
• Firebase generateAuthMessage integration
• Loading states and error handling implemented
• Message caching functionality
• 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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