12 fix docs (#13)

* fix dependencies uv.lock

* refactor test markers for clarity

* refactor: clean up imports and remove unused files

* refactor: remove unused agent files and clean up market API instructions

* refactor: enhance wrapper initialization with keyword arguments and clean up tests

* refactor: remove PublicBinanceAgent

* refactor: aggregator
- simplified MarketDataAggregator and related models to functions

* refactor: update README and .env.example to reflect the latest changes to the project

* refactor: simplify product info and price creation in YFinanceWrapper

* refactor: remove get_all_products method from market API wrappers and update documentation

* fix: environment variable assertions

* refactor: remove status attribute from ProductInfo and update related methods to use timestamp_ms

* feat: implement aggregate_history_prices function to calculate hourly price averages

* refactor: update docker-compose and app.py for improved environment variable handling and compatibility

* feat: add detailed market instructions and improve error handling in price aggregation methods

* feat: add aggregated news retrieval methods for top headlines and latest news

* refactor: improve error messages in WrapperHandler for better clarity

* fix: correct quote currency extraction in create_product_info and remove debug prints from tests

src/app/news/news_api.py

@@ -19,7 +19,7 @@ class NewsApiWrapper(NewsWrapper):
 
     def __init__(self):
         api_key = os.getenv("NEWS_API_KEY")
-        assert api_key is not None, "NEWS_API_KEY environment variable not set"
+        assert api_key, "NEWS_API_KEY environment variable not set"
 
         self.client = newsapi.NewsApiClient(api_key=api_key)
         self.category = "business" # Cryptocurrency is under business