Refactor code structure for improved readability and maintainability

app/main.py

@@ -0,0 +1,32 @@
+import os
+from dotenv import load_dotenv
+from t_tech.invest import Client
+from t_tech.invest.sandbox.client import SandboxClient
+
+from rebalance import RebalanceBot
+from config import TARGET_WEIGHTS, CORRIDOR
+
+load_dotenv()
+
+
+def main():
+    with SandboxClient(token=os.getenv("TINVEST_TOKEN")) as client:  # type: ignore
+        bot = RebalanceBot(
+            client=client,
+            account_id="bb29bb79-8cf1-42ba-843f-47ef76c5b7c0",
+            target_weights=TARGET_WEIGHTS,
+            corridor=CORRIDOR,
+            dry_run=True,
+        )
+
+        plan = bot.calculate_rebalance(bot.fetch_portfolio())
+
+        sales = [trade for trade in plan if trade["action"] == "SELL"]
+        buys = [trade for trade in plan if trade["action"] == "BUY"]
+
+        bot.execute_orders(sales, "ПРОДАЖИ")
+        bot.execute_orders(buys, "ПОКУПКИ")
+
+
+if __name__ == "__main__":
+    main()