Make `run_and_submit_all` asynchronous, update imports, and add telemetry initialization

Add prompt templates for planning and formatted answering in gaia_solving_agent

Remove unused `project` parameter in telemetry configuration

Add telemetry support using Phoenix for LlamaIndex observability

Add Phoenix and Tavily integrations, update dependencies, and enhance documentation

Add Nebius API integration and update dependencies

update imports

Refactor project structure and update configurations

minor fix

Refactor BasicAgent into a dedicated module

Refactor submission logic into a separate module