Log in to the TreeTracker App using their Fabric certificates

[imos64]

As a user or verifier
I want to log in using my Fabric certificate
So that I can securely access blockchain features

Acceptance Criteria

• Fabric certificate is presented and validated
• Role is extracted from the certificate’s attributes
• Session is established locally (e.g., mobile device) or via backend service

Sub-tasks

• Implement login UI supporting certificate-based authentication
• Integrate certificate parsing and secure local storage
• Initiate role-based session management

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📅 Sprint: 2
📌 Priority: High
👤 Assignee: Mobile App Developer
📊 Story Points: 5