Delete every CPU fallback block across 14 files (-286 lines): - dqn.rs: CPU replay buffer, tensor construction, PER fallback, gradient paths - hyperopt/adapters/ppo.rs: CPU curiosity modules, trajectory generation - hyperopt/adapters/dqn.rs: CPU backtest fallback, sync no-op - trainers/ppo.rs: CPU training error stub - l2_cache.rs: CPU stub functions (gate callers behind cuda too) - replay_buffer_type.rs: CPU is_gpu_prioritized fallback - validation/harness.rs: CPU regime breakdown fallback - build.rs: cpu_only_build cfg (never referenced) - evaluate_baseline.rs: CPU gpu_handled fallback - testing/integration/gpu: CPU test stubs Zero #[cfg(not(feature = "cuda"))] remains in the codebase. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
integration
Comprehensive integration test suite covering cross-crate interactions, database queries, gRPC service contracts, and ML model pipelines.
Subdirectories
chaos/-- chaos engineering and fault injection testse2e_helpers/-- shared E2E test utilities (JWT generation, service probes)smoke_tests/-- quick smoke tests for CI validation
Usage
SQLX_OFFLINE=true cargo test -p integration --lib