Update chat interface (#70)

* Update chat interface to fill height and width in Gradio blocks
* Implement asynchronous streaming for Gradio responses and enhance pipeline event handling
* Refactor tool event handling to provide user-friendly messages and add utility function for descriptive tool actions

src/app/api/tools/symbols_tool.py

@@ -22,6 +22,7 @@ class CryptoSymbolsTools(Toolkit):
     def __init__(self, cache_file: str = 'resources/cryptos.csv'):
         self.cache_file = cache_file
         self.final_table = pd.read_csv(self.cache_file) if os.path.exists(self.cache_file) else pd.DataFrame() # type: ignore
+
         Toolkit.__init__(self, # type: ignore
             name="Crypto Symbols Tool",
             instructions=SYMBOLS_TOOL_INSTRUCTIONS,