4036c4d4e8
Foundation fix for the Bybit forward track (real capital gates on it; it reset/froze 3x from untested fragility). Makes the e2e invariant net green. forward_tracker.py: - _save is now ATOMIC: write to <path>.tmp, fsync, os.replace onto the real path — a SIGKILL mid-save can no longer leave a truncated/empty JSON. Also refreshes a <path>.bak mirror of the last good state on every save. - _load is tolerant + guarded: parses main, falls back to .bak on a missing/corrupt main, and RAISES rather than silently re-inceptioning when both are gone/corrupt for a track that existed. Returns None (the only inception path) ONLY on a genuine first run (neither state nor .bak ever written). Re-inception can no longer reset an in-flight forward record to day 0. assets.py: - bybit_paper_book: replace the broad silent "except Exception" swallow (which froze paper_nav/paper_positions venue=bybit at the last success with no signal) — transient network errors stay best-effort, any other error is logged at error + re-raised (surfaced). - bybit_4edge_nav: document that a corrupt/lost forward-STATE now raises RuntimeError from the tracker (outside the transient tuple) so it surfaces loudly instead of masking as a skip. Full suite: 1788 passed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
fxhnt
Agentic strategy-research & multi-strategy execution platform. It systematically discovers, backtests and out-of-sample-validates trading strategies across many markets, keeps only what survives a rigorous statistical gauntlet, and runs the survivors live (multiple strategies at once).
The bet is not a secret edge — it's breadth + discipline + automation. The hard part (and the moat) is refusing to fool yourself at scale; the validation gauntlet is the core, built and proven first.
Architecture (hexagonal / ports-and-adapters)
src/fxhnt/
domain/ pure logic: gauntlet (Deflated Sharpe), strategies, backtest, models ← no I/O
ports/ contracts: DataProvider, repositories (the only seams)
adapters/ infra: yahoo data, SQLAlchemy (Postgres/SQLite) + DuckDB stores
application/ use-case services (ResearchService) — orchestrate via ports
cli.py composition root (wires concrete adapters)
See docs/architecture/0001-architecture.md.
Quickstart
pip install -e ".[dev]"
pytest # unit (gauntlet falsification) + integration (vertical slice)
fxhnt strategies # list strategy kinds
fxhnt research SPY --kind trend --window 200 # data → backtest → gauntlet → persist
fxhnt list --passed-only # the survivor library
Config via FXHNT_* env vars (e.g. FXHNT_OPERATIONAL_DSN=postgresql+psycopg://...). Defaults to
SQLite + a local DuckDB file under ~/.fxhnt/.
Status
Vertical slice working: data (Yahoo) → strategy (trend) → backtest (net of costs) → IS/OOS gauntlet → persistence (operational + analytical). Next: the multi-strategy execution layer, more strategy templates + data adapters, and the agentic discovery search on top of the proven gauntlet.