feat(games): sessione 2 del gioco Blind Traders su timing diversi (30m/2h/4h)

- engine: resampling (_RESAMPLE) per 30m/2h/4h/1d + TF_BPM esteso -> nuovi timing.
- arena/run_game: TIMEFRAMES estesi, out_name e GAME_SPECS_DIR/GAME_OUT parametrizzati
  (game 1 non sovrascritto).
- Risultato: 10 finalisti tutti 30m pairs ETH/BTC (vincitore #36: OOS Sh 12.3, 43 tr/mese).
  La regola >=10 trade/mese filtra i tf lunghi (4h: 4/33 qualificati). Conferma la
  frontiera frequenza-vs-edge. Diario 2026-06-09-blind-traders-game2.md.

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

scripts/games/run_game.py

@@ -16,7 +16,8 @@ from pathlib import Path
 from scripts.games import engine
 from scripts.games.arena import random_spec, run_tournament, leaderboard, _normalize
 
-SPECS_DIR = Path("data/games/specs")
+SPECS_DIR = Path(os.environ.get("GAME_SPECS_DIR", "data/games/specs"))
+OUT_NAME = os.environ.get("GAME_OUT", "tournament_result.json")
 N = 100
 
 
@@ -63,7 +64,7 @@ def main():
               f"(single-leg {2*slip*100:.2f}% RT extra, pairs {4*slip*100:.2f}% extra)")
     specs, briefs = load_specs()
     payload = run_tournament(specs, briefs=briefs, seed=2026,
-                             epochs=90, cull_every=10, cull_n=10)
+                             epochs=90, cull_every=10, cull_n=10, out_name=OUT_NAME)
     leaderboard(payload, top=10)
     rev = payload["reveal"]
     print(f"\n>>> RIVELAZIONE: Serie X = {rev['A']}, Serie Y = {rev['B']} "