chore(reset): v2.0.0 — storico certificato Deribit mainnet, ripartenza pulita

Reset del progetto su fondamenta verificate dopo la scoperta che l'intera
libreria "validata OOS" era artefatto di feed contaminato (print fantasma del
feed Cerbero TESTNET + storico Binance/USDT).

- Storico ricostruito da Deribit MAINNET (ccxt pubblico, tokenless) e
  CERTIFICATO (certify_feed.py): BTC/ETH puliti su TUTTA la storia
  (mediana 2-6 bps vs Coinbase USD), integrita' OHLC + coerenza resample
  (maxΔ 0.00) + cross-venue OK. Alt esclusi (illiquidi/divergenti: LTC/DOGE
  50-82% barre flat; XRP/BNB non certificabili).
- Verdetto sul feed pulito: FADE / PAIRS / XS01 / TSM01 morti (ogni
  portafoglio Sharpe -2.3..-3.0, DD ~40%); solo SH01 e frammenti HONEST
  con segnale residuo, da ri-validare in isolamento.
- Cleanup "restart pulito": strategie, stack live (src/live, src/portfolio,
  runner/executor, yml, docker), ~100 script ricerca/gate, waste/games/
  portfolios, dati non certificati + cache e 60+ diari -> archiviati in Old/
  (preservati, non cancellati). Diario consolidato in un unico documento.
- Skeleton ricerca tenuto: Strategy ABC + indicatori + src/fractal +
  src/backtest/engine + load_data; tool dati certificati (rebuild_history,
  certify_feed, audit_feed, multi_source_check).
- Universo dati ATTIVO: solo BTC/ETH (5m/15m/1h); guardrail fisico
  (load_data su alt -> FileNotFoundError). Esecuzione DISABILITATA, conto flat.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Old/tests/portfolio/test_venue_lock_breaker.py

@@ -0,0 +1,86 @@
+"""Circuit-breaker venue-lock (2026-06-12): dopo lock_trip reject 'locked'
+consecutivi le APERTURE sono sospese senza toccare l'API (i worker seguono il
+path REAL_OPEN_FAIL/sim_fallback); le chiusure si tentano sempre; il probe a
+fine cooldown riarma o resetta. Nessuna rete: CerberoClient stubbato."""
+import time
+
+from src.live.execution import ExecutionClient
+
+
+class _Venue:
+    """Stub CerberoClient: locked finche' .locked=True, poi ordini ok."""
+    def __init__(self):
+        self.locked = True
+        self.place_calls = 0
+
+    def place_order(self, instrument, side, amount, order_type="market",
+                    price=None, label=None, reduce_only=False):
+        self.place_calls += 1
+        if self.locked:
+            return {"state": "error", "error": "locked_by_admin"}
+        return {"order": {"order_id": "o1", "order_state": "filled",
+                          "filled_amount": amount, "average_price": 100.0},
+                "trades": [{"amount": amount, "price": 100.0, "fee": 0.0}]}
+
+    def get_ticker(self, instrument):
+        return {"mark_price": 100.0}
+
+    def get_trade_history(self, limit=50, instrument_name=None):
+        return []
+
+
+def _ec(monkeypatch, sent):
+    monkeypatch.setattr("src.live.telegram_notifier.notify_event",
+                        lambda ev, data: sent.append((ev, data)))
+    venue = _Venue()
+    ec = ExecutionClient(client=venue)
+    return ec, venue
+
+
+INST = "ETH_USDC-PERPETUAL"
+
+
+def test_breaker_trips_and_blocks_opens(monkeypatch):
+    sent = []
+    ec, venue = _ec(monkeypatch, sent)
+    for _ in range(ec.lock_trip):
+        f = ec.open(INST, "buy", 50.0)
+        assert not f.verified
+    assert venue.place_calls == ec.lock_trip and ec.lock_blocked()
+    assert [e for e, _ in sent] == ["VENUE_LOCK"]          # un alert al trip
+    # aperture sospese: NESSUNA chiamata API, nota dedicata
+    f = ec.open(INST, "buy", 50.0)
+    assert venue.place_calls == ec.lock_trip
+    assert "venue_lock_breaker" in f.notes
+    assert sent == sent[:1]                                # niente spam
+
+
+def test_closes_still_attempted_and_refresh_cooldown(monkeypatch):
+    sent = []
+    ec, venue = _ec(monkeypatch, sent)
+    for _ in range(ec.lock_trip):
+        ec.open(INST, "buy", 50.0)
+    ec._net_close_allowance = lambda *a, **k: 0.0          # niente fallback netting
+    before = ec._lock_until
+    time.sleep(0.01)
+    f = ec.close_amount(INST, "buy", 0.5, label="w1")      # la chiusura PASSA dall'API
+    assert venue.place_calls == ec.lock_trip + 1
+    assert not f.verified
+    assert ec._lock_until > before                          # locked dal close -> cooldown esteso
+
+
+def test_probe_rearms_or_resets(monkeypatch):
+    sent = []
+    ec, venue = _ec(monkeypatch, sent)
+    for _ in range(ec.lock_trip):
+        ec.open(INST, "buy", 50.0)
+    # cooldown scaduto + venue ancora locked -> probe fallisce e riscatta
+    ec._lock_until = time.monotonic() - 1
+    ec.open(INST, "buy", 50.0)
+    assert venue.place_calls == ec.lock_trip + 1 and ec.lock_blocked()
+    # venue sbloccato -> il probe passa, breaker resettato, alert di rientro
+    ec._lock_until = time.monotonic() - 1
+    venue.locked = False
+    f = ec.open(INST, "buy", 50.0)
+    assert f.verified and not ec.lock_blocked() and ec._lock_streak == 0
+    assert sent[-1][0] == "VENUE_LOCK" and sent[-1][1].get("status") == "RIENTRATO"