feat: implement autonomous Bybit demo trading agent

tests/test_scheduler.py

@@ -0,0 +1,22 @@
+from datetime import datetime, time
+from zoneinfo import ZoneInfo
+
+from llm_trade_bot.config import ScheduleConfig
+from llm_trade_bot.scheduler import next_scheduled_time
+
+
+def _config() -> ScheduleConfig:
+    zone = ZoneInfo("Europe/Warsaw")
+    return ScheduleConfig(zone, (time(9), time(21)))
+
+
+def test_next_time_same_day():
+    config = _config()
+    now = datetime(2026, 9, 19, 10, 0, tzinfo=config.timezone)
+    assert next_scheduled_time(config, now) == datetime(2026, 9, 19, 21, 0, tzinfo=config.timezone)
+
+
+def test_next_time_rolls_to_tomorrow():
+    config = _config()
+    now = datetime(2026, 9, 19, 22, 0, tzinfo=config.timezone)
+    assert next_scheduled_time(config, now) == datetime(2026, 9, 20, 9, 0, tzinfo=config.timezone)