Per spec §7.3 + plan v2 Phase 2B differential table. Each test documents
its behavioral contract and its enabling phase. Tests are #[ignore]'d
so the pre-commit-hook-gated suite does not fail; per-test #[ignore] is
removed by the commit that lands its enabling phase.
Group 1 trading behavior (7 tests): 2.1 flat_holds, 2.2 trend_directional,
2.3 mean_revert_reverses, 2.4 cost_sensitivity, 2.6 regime_silences,
2.7 stop_discipline, 2.18 action_latency.
Group 2 state/arch grounding (10 tests): 2.8 hold_vs_flat_semantics,
2.9 eval_fold_isolation, 2.13 eval_train_consistency, 2.14 magnitude_uses_
all_buckets, 2.15 fold_transition_stability, 2.16 q_value_bounded,
2.17 gradient_flow_to_all_heads, 2.19 kelly_calibration, 2.20 state_input_
grounding, 2.21 egf_gate_opens (re-export hook for sp14_oracle_tests.rs).
Group 3 (Phase 2C — 5 tests) lands paired with Phase 3.5 commits.
Harness invocations use trainer = () placeholder; Phase 2B.b extends
BehavioralResult/harness with per-bar actions, position-state inspection,
forced-action stepping, and per-head grad-norm snapshots. Each test's
ignore reason references which Phase X enabling work + harness extension
makes it green.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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