9 tasks covering: training_metrics.rs (definitions + verbose gate), monitoring.proto (12 new fields), service.rs (match arms + tests), fxt monitor CLI (grad norm, RL diagnostics, hyperopt trial detail), DQN/PPO trainers (per-epoch recording), supervised binary (LR + duration), hyperopt binaries (elapsed_seconds), and full workspace verification. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>