Use Torch forecast as primary strategy

tests/test_config.py

@@ -77,7 +77,40 @@ def test_default_symbols_are_fixed_trend_pairs(tmp_path, monkeypatch) -> None:
     assert settings.auto_select_symbols is False
     assert settings.top_symbols_count == 3
     assert settings.symbols == FIXED_SPOT_SYMBOLS
-    assert settings.strategy_mode == "trend_macd"
+    assert settings.strategy_mode == "torch_forecast"
     assert settings.base_interval == "60"
     assert settings.trend_interval == "D"
     assert settings.risk_per_trade_percent == 0.01
+    assert settings.time_series_forecast_enabled is True
+
+
+def test_torch_forecast_forces_fixed_three_symbols(tmp_path, monkeypatch) -> None:
+    for key in (
+        "AUTO_SELECT_SYMBOLS",
+        "TOP_SYMBOLS_COUNT",
+        "SYMBOLS",
+        "STRATEGY_MODE",
+        "TIME_SERIES_FORECAST_ENABLED",
+    ):
+        monkeypatch.delenv(key, raising=False)
+    monkeypatch.setenv("TRADING_MODE", "paper")
+    env_file = tmp_path / ".env"
+    env_file.write_text(
+        "\n".join(
+            [
+                "TRADING_MODE=paper",
+                "STRATEGY_MODE=torch_forecast",
+                "AUTO_SELECT_SYMBOLS=true",
+                "TOP_SYMBOLS_COUNT=9",
+                "SYMBOLS=DOGEUSDT,XRPUSDT",
+            ]
+        ),
+        encoding="utf-8",
+    )
+
+    settings = load_settings(env_file)
+
+    assert settings.auto_select_symbols is False
+    assert settings.top_symbols_count == 3
+    assert settings.symbols == FIXED_SPOT_SYMBOLS
+    assert settings.time_series_forecast_enabled is True