Bot first implementation

tests/test_prediction.py

@@ -0,0 +1,15 @@
+from pathlib import Path
+
+from trading_bot.models.prediction import FEATURE_COLUMNS, predict_latest_probability
+
+
+def test_predict_latest_probability_returns_probability_between_zero_and_one() -> None:
+    result = predict_latest_probability(
+        model_path=Path("notebooks/models/spy_xgb_v1.json"),
+        metadata_path=Path("notebooks/models/spy_xgb_v1_meta.json"),
+        raw_data_dir=Path("data/ibkr/daily"),
+    )
+
+    assert set(result.feature_columns).issubset(FEATURE_COLUMNS)
+    assert 0.0 <= result.probability <= 1.0
+    assert result.probability > 0.0