feat: implement autonomous Bybit demo trading agent

tests/test_config.py

@@ -0,0 +1,56 @@
+from pathlib import Path
+
+import pytest
+
+from llm_trade_bot.config import ConfigError, load_config
+
+CONFIG = """
+[deepseek]
+api_key = "deepseek-key"
+[bybit]
+api_key = "bybit-key"
+api_secret = "bybit-secret"
+[telegram]
+api_id = 123
+api_hash = "api-hash"
+bot_token = "bot-token"
+admin_user_ids = [42]
+[brave]
+api_key = "brave-key"
+[schedule]
+timezone = "Europe/Warsaw"
+times = ["09:00", "21:00"]
+[scanner]
+categories = ["spot", "linear"]
+[risk]
+max_risk_per_trade_pct = 2
+max_total_exposure_pct = 40
+max_positions = 5
+max_leverage = 3
+[storage]
+database_path = "state.db"
+"""
+
+
+def test_loads_and_resolves_database_path(tmp_path: Path):
+    path = tmp_path / "config.toml"
+    path.write_text(CONFIG, encoding="utf-8")
+    config = load_config(path)
+    assert config.deepseek.model == "deepseek-flash"
+    assert config.telegram.admin_user_ids == frozenset({42})
+    assert config.storage.database_path == tmp_path / "state.db"
+
+
+def test_rejects_risk_above_hard_limit(tmp_path: Path):
+    path = tmp_path / "config.toml"
+    path.write_text(CONFIG.replace("max_leverage = 3", "max_leverage = 4"), encoding="utf-8")
+    with pytest.raises(ConfigError, match="max_leverage"):
+        load_config(path)
+
+
+def test_rejects_non_official_deepseek_endpoint(tmp_path: Path):
+    path = tmp_path / "config.toml"
+    changed = CONFIG.replace("api_key = \"deepseek-key\"", 'api_key = "deepseek-key"\nbase_url = "https://example.com"', 1)
+    path.write_text(changed, encoding="utf-8")
+    with pytest.raises(ConfigError, match="base_url"):
+        load_config(path)