feat: cockpit

backend/services/instrument_service.py

@@ -44,9 +44,15 @@ _ASSET_CLASS_TO_CATEGORY = {
 # existing Drivers editor (update_instrument_drivers), same as any other instrument.
 _QUICK_ADD_DEFAULTS = {
     "chart": {"ma_periods": [20, 50, 200], "bollinger_period": 20, "bollinger_std": 2, "show_volume": True},
-    "drivers": [], "regime_labels": [], "event_keywords": [],
+    "drivers": [], "event_keywords": [],
     "related_assets": [], "correlation_instruments": [], "ai_context": "",
     "currency": "USD", "description": "",
+    # NOT [] — _detect_regime() truncates its 5-slot score vector to len(regime_labels)
+    # then does np.argmax() on it; an empty list truncates to an empty vector and
+    # np.argmax([]) raises ValueError, an uncaught 500 for every quick-added instrument
+    # the moment it has enough real bars (len(df) >= 20) to reach that code path — same
+    # 5 generic labels _detect_regime() itself falls back to when regime_labels is absent.
+    "regime_labels": ["Bull", "Bear", "Transition", "Volatile", "Consolidation"],
 }