Backend Selector Purpose Provides expert guidance on comparing and selecting quantum backends across multiple providers based on circuit requirements and performance criteria. Capabilities - Backend capability comparison - Queue time estimation - Cost optimization - Fidelity-based ranking - Connectivity analysis - Job prioritization - Provider API integration - Historical performance tracking Usage Guidelines 1. Requirements Analysis : Determine circuit qubit and gate requirements 2. Backend Query : Fetch available backends from all providers 3. Filtering : Eliminate backends that cannot supp…