Chat bug fix (#40)

* Update chat.py
* fixed chat not sending message & types

Co-authored-by: Nunzi99 <claudionunziante@gmail.com>

src/app/interface/chat.py

@@ -15,6 +15,7 @@ class ChatManager:
     def __init__(self):
         self.history: list[tuple[str, str]] = []  
         self.inputs = PipelineInputs()
+
     def save_chat(self, filename: str = "chat.json") -> None:
         """
         Salva la chat corrente in src/saves/<filename>.
@@ -49,16 +50,10 @@ class ChatManager:
     # Funzioni Gradio
     ########################################
     def gradio_respond(self, message: str, history: list[tuple[str, str]]) -> str:
-        '''
-        self.send_message(message)
-
         self.inputs.user_query = message
-
-        self.receive_message(response)
-        return response
-        '''
         pipeline = Pipeline(self.inputs)
         response = pipeline.interact()
+
         self.history.append((message, response))
         return response
 
@@ -66,12 +61,12 @@ class ChatManager:
         self.save_chat("chat.json")
         return "💾 Chat salvata in chat.json"
 
-    def gradio_load(self) -> str:
+    def gradio_load(self) -> tuple[list[tuple[str, str]], list[tuple[str, str]]]:
         self.load_chat("chat.json")
         history = self.get_history()
         return history, history
 
-    def gradio_clear(self) -> str:
+    def gradio_clear(self) -> tuple[list[str], list[str]]:
         self.reset_chat()
         return [], []