- Remove ALL #[cfg(feature = "cuda")] guards (~400+ occurrences)
- Remove ALL #[cfg_attr(not(feature = "cuda"), ignore)] test annotations (~250)
- Make cuda default feature in 9 ML crates (ml, ml-core, ml-dqn, ml-ppo, etc.)
- Convert nvrtc JIT compilation to precompiled nvcc (searchsorted, prefix_sum)
- Move compile_ptx_for_device() to ml-core for shared access
- Delete dead CPU code: multi_step.rs, self_supervised_pretraining.rs,
training_guard_gpu_tests.rs, CPU PER buffer paths, CPU Q-diagnostics
- Replace unwrap_or(Device::Cpu) with hard errors everywhere
- Remove dead is_cuda() else branches in DQN/PPO/hyperopt trainers
- Change config defaults from "cpu" to "cuda" (rainbow, tlob, pipeline)
- Port IQL value network to GPU kernel (5 CUDA entry points)
- Port HER goal relabeling to GPU kernel (warp-per-sample)
- Wire DSR GPU-to-CPU sync in training loop
- cfg!(feature = "cuda") → true in inference_validator
Zero warnings, zero errors across entire workspace.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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>
Critical bug: all 3 DQN action selection methods (select_action,
select_action_with_confidence, select_action_inference) used
FactoredAction::from_index() which maps indices 0-4 to exposure_idx=0
(Short100) via division by 9. This is the root cause of action
diversity collapse during both training and production inference.
Fix: ExposureLevel::from_index() + OrderRouter::route_default() in all
DQN paths. Also fixes hyperopt objective thresholds (<10 → <3 for
5-action degenerate detection), stale defaults/comments, integration
test configs.
Files: dqn.rs (3 methods), trainer.rs (validation + select_action),
hyperopt/adapters/dqn.rs (thresholds), dqn_model.rs (comments),
train_baseline_rl.rs (default), reward.rs (comment),
dqn_integration.rs + ensemble_integration.rs (num_actions).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- JWT issuer now foxhunt-api across all 16 files (services, tests, config, docker-compose)
- Remove serde alias api_gateway_url from FxtConfig (no backwards compat)
- Remove api_gateway CLI alias from e2e orchestrator
- All services must deploy simultaneously for JWT validation to match
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Rename 7 service binaries from snake_case to kebab-case to match
K8s deployment names. Update Cargo.toml package/bin names, K8s
manifest S3 paths and commands, and cross-crate dependency keys.
- api_gateway → api-gateway
- trading_service → trading-service
- broker_gateway_service → broker-gateway
- ml_training_service → ml-training-service
- backtesting_service → backtesting-service
- trading_agent_service → trading-agent-service
- data_acquisition_service → data-acquisition-service
broker-gateway gets an explicit [lib] name = "broker_gateway_service"
since its new package name maps to broker_gateway (not the original
broker_gateway_service used in source code). All other services map
correctly with Rust's automatic hyphen-to-underscore conversion.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Create 3 missing service READMEs (api_gateway, data_acquisition_service,
trading_agent_service). Create bin/fxt/README.md. Create
testing/service-integration/README.md. Update existing service and testing
READMEs to standard template. Delete 4 subdirectory READMEs from
testing/integration/ and testing/e2e/.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove stale test reports, quick-start guides, benchmark analyses,
profiling reports, and tool artifacts from across the workspace.
Keeps only root README.md per crate/service.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Move 17 library crates into crates/, CLI binary into bin/fxt,
consolidate 10 test crates into testing/, split config crate
from deployment config files.
Root directory reduced from 38+ to ~17 directories.
All Cargo.toml paths and build.rs proto refs updated.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
