Create S3 Bucket interface for Avatar uploads

[meshackyaro]

Description

This issue aims to address the implementation of Create S3 Bucket interface for Avatar uploads.

The core objective is to: Allow users to upload profile pictures to a cloud storage provider.

By completing this feature, we will ensure that the TrustFlow protocol maintains its high standards for security, usability, and decentralized logic. This issue requires careful attention to the Backend architecture and adherence to the existing project conventions.

When picking up this issue, please ensure you document any new dependencies or architectural decisions made during development.

Component

Backend

Difficulty

🟡 Medium

Tasks

• Review Node.js API architecture in backend/
• Implement logic for: Create S3 Bucket interface for Avatar uploads
• Write unit tests for the new endpoints using Supertest
• Update Swagger terminology / OpenAPI specs
• Verify PostgreSQL queries are optimized
• Run npm run lint

Acceptance Criteria

• Feature accurately implements the objective: Allow users to upload profile pictures to a cloud storage provider.
• Any PR that introduces TypeScript/Rust errors is automatically blocked
• CI pipeline runs in under 3 minutes per PR
• Code is properly reviewed and approved by codeowners

Estimated Time

4-8 hours