feat(strategy): swap BTC paper strategy a 9cf506b8 (hardened-001 robust winner)

Sostituisce btc_fb63e851 (in produzione dal 13 maggio, net +$9.9k su 7y BTC,
Sharpe medio -0.20) con btc_9cf506b8, vincitore del run phase1-hardened-001
(K=50 G=15 7y, fitness-v2 con hard-kill su fees_eat_alpha + negative_net_pnl).

Performance comparate su 7y BTC continui:
- btc_fb63e851:   Net +$9,951  Sharpe medio -0.20  4/8 anni positivi
- btc_9cf506b8:   Net +$30,538 Sharpe medio +0.31  5/8 anni positivi
                  Best year 2021: +$18,938 (vs prod +$6,835)
                  Best Sharpe annuale: 2023 +1.27 (vs prod 2024 +1.16)
                  Zero adversarial findings su 7y continui.

Performance cross-asset (test su ETH 6.8y):
- btc_fb63e851 su ETH: -$120 (pseudo-flat, nessun segnale)
- btc_9cf506b8 su ETH: +$2,059 (4/7 anni positivi)
La strategia generalizza out-of-asset, indicatore di robustezza non-ETH-overfit.

DSL: physicist style, lookback 150 bar (~6 giorni). Triple-AND condition su
realized_vol + atr_pct + sma_pct per entry (long o short). Exit su sma_pct=0
o vol collasso (<0.1%). Selettivo: 502 trade in 7y = 1.4 trade/giorno medio.

btc_fb63e851 archiviato in strategies/archive/ per consultazione futura.
Il glob loader `btc_*.json` e' non-ricorsivo, quindi archive/ non viene
caricato automaticamente.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/multi_swarm_core/multi_swarm_core/orchestrator/run.py

@@ -112,10 +112,16 @@ def run_phase1(
 
     repo = Repository(cfg.db_path)
     repo.init_schema()
+    # Escludi prompt_library (PromptLibrary dataclass non e' JSON-serializable);
+    # salva solo i nomi degli stili per reproducibility.
     config_dict = {
-        **cfg.__dict__,
+        **{k: v for k, v in cfg.__dict__.items() if k != "prompt_library"},
         "db_path": str(cfg.db_path),
         "model_tier": cfg.model_tier.value,
+        "prompt_library_styles": (
+            list(cfg.prompt_library.cognitive_styles)
+            if cfg.prompt_library is not None else None
+        ),
     }
     run_id = repo.create_run(name=cfg.run_name, config=config_dict)
 

src/strategy_crypto/strategy_crypto/strategies/btc_9cf506b8.json

@@ -0,0 +1,140 @@
+{
+  "rules": [
+    {
+      "condition": {
+        "op": "and",
+        "args": [
+          {
+            "op": "gt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "realized_vol",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.01
+              }
+            ]
+          },
+          {
+            "op": "lt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "atr_pct",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.02
+              }
+            ]
+          },
+          {
+            "op": "gt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "sma_pct",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.05
+              }
+            ]
+          }
+        ]
+      },
+      "action": "entry-long"
+    },
+    {
+      "condition": {
+        "op": "and",
+        "args": [
+          {
+            "op": "lt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "realized_vol",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.005
+              }
+            ]
+          },
+          {
+            "op": "gt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "atr_pct",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.03
+              }
+            ]
+          },
+          {
+            "op": "lt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "sma_pct",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": -0.05
+              }
+            ]
+          }
+        ]
+      },
+      "action": "entry-short"
+    },
+    {
+      "condition": {
+        "op": "or",
+        "args": [
+          {
+            "op": "eq",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "sma_pct",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.0
+              }
+            ]
+          },
+          {
+            "op": "lt",
+            "args": [
+              {
+                "kind": "indicator",
+                "name": "realized_vol",
+                "params": [150]
+              },
+              {
+                "kind": "literal",
+                "value": 0.001
+              }
+            ]
+          }
+        ]
+      },
+      "action": "exit"
+    }
+  ]
+}