- Added new E2E tests for authentication, cache operations, and IPFS interactions to improve coverage and reliability.
- Introduced concurrency tests for cache operations to validate performance under load.
- Updated `go.mod` to include `github.com/mattn/go-sqlite3` as a dependency for database interactions.
- Refined Makefile to simplify E2E test execution and configuration discovery.
- Removed outdated client E2E tests and consolidated related functionality for better maintainability.
