2 Commits
Author SHA1 Message Date
mathias 308f71b566 fix(ci): Taskfile YAML syntax error + staticcheck tagged-switch (jepa-fx-risk#19)
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Taskfile.yml line 46 had an unquoted Go-template `{{.VAR}}` inside a YAML
flow sequence (`cmds: [...]`) -- the literal braces broke YAML parsing
outright ("did not find expected ',' or ']'"), so `task check` (and thus
CI's push-triggered check job) failed before running a single command.
A manual `workflow_dispatch` re-run passed because the autoresearch
workflow never calls `task check` at all -- unrelated path, not an
env/secret difference as first suspected. Quoted the string.

Also fixed a staticcheck QF1002 in internal/eval/var.go: a boolean
switch comparing the same variable (n1) in every case is a tagged
switch in disguise -- converted to `switch n1 { case 0: ... case n: ...
}`.
2026-07-24 15:26:01 +02:00
mathiasandClaude Sonnet 4.6 68bf8f15c5 feat(eval): VaR breach rate metric (#12) + HMM regime detector (#13) — rq-04 prep
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#12 — VaR_breach_rate_99_oos_regime_cond metric:
- internal/eval/var.go: VaRBreachRate() + kupiecPOF() + LinearProbePredict() (stdlib math only)
- internal/eval/var_test.go: 8 golden tests (zero/all breach, perfect calibration, boundary)
- cmd/eval/main.go: -metric var flag (no-leakage probe → VaR → Kupiec P)
- scripts/var_breach.py: Python equivalent with METRIC_KEY constant (13 TDD tests)
- train.py LOCKED VaR EVAL BLOCK: writes VaR_breach_rate_99_oos_regime_cond + kupiec_p to metrics.json
- Fixed bug: train.py used bare 'os' before import; now uses module-level '_os' consistently

#13 — HMM regime detector + JEPA conditioning seam:
- scripts/prepare_regime.py: GaussianHMM (diag, 3-state) on realized_vol; states sorted by mean vol
  (0=calm, 1=stressed, 2=crisis); deterministic (random_state=42); outputs eurusd_regime.parquet
- tests/test_regime.py: 11 TDD tests (dtype, states, determinism, vol sort, daily fallback)
- train.py: JEPA_ENABLE_REGIME toggle + REGIME CONDITIONING SEAM (concat baseline, agent-editable)
- requirements.txt: hmmlearn>=0.3, scikit-learn>=1.4

78 Python + all Go tests green.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-27 10:35:10 +02:00