Refactor BasicAgent into a dedicated module

Extracted the BasicAgent class into a new `agent.py` module under `gaia_solving_agent` for better modularity and maintainability.

.gitignore

@@ -1 +1,2 @@
-.idea/*
+.idea/*
+*.egg-info

app.py

@@ -4,23 +4,6 @@ import gradio as gr
 from gaia_solving_agent.hf_submission_api import instantiate_agent, fetching_questions, run_agent, \
     prepare_submission_data, submit_answers
 
-# (Keep Constants as is)
-# --- Constants ---
-DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
-
-
-# --- Basic Agent Definition ---
-# ----- THIS IS WHERE YOU CAN BUILD WHAT YOU WANT ------
-class BasicAgent:
-    def __init__(self):
-        print("BasicAgent initialized.")
-    def __call__(self, question: str) -> str:
-        print(f"Agent received question (first 50 chars): {question[:50]}...")
-        fixed_answer = "This is a default answer."
-        print(f"Agent returning fixed answer: {fixed_answer}")
-        return fixed_answer
-
-
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """
     Fetches all questions, runs the BasicAgent on them, submits all answers,

src/gaia_solving_agent/agent.py

@@ -0,0 +1,8 @@
+class BasicAgent:
+    def __init__(self):
+        print("BasicAgent initialized.")
+    def __call__(self, question: str) -> str:
+        print(f"Agent received question (first 50 chars): {question[:50]}...")
+        fixed_answer = "This is a default answer."
+        print(f"Agent returning fixed answer: {fixed_answer}")
+        return fixed_answer

src/gaia_solving_agent/hf_submission_api.py

@@ -1,7 +1,10 @@
 import pandas as pd
 import requests
 
-from app import BasicAgent, DEFAULT_API_URL
+from gaia_solving_agent.agent import BasicAgent
+
+
+DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 
 def instantiate_agent(space_id: str):