Refactor to use built-in FinalAnswerTool and add markdown writing capability

- Switch from custom FinalAnswerTool to smolagents built-in version
- Remove custom tool implementations (final_answer.py, web_search.py)
- Add write_to_markdown tool for file output functionality
- Update .gitignore to exclude .claude directory

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -151,3 +151,4 @@ flagged/
 Thumbs.db
 
 # Project specific
+.claude

app.py

@@ -1,9 +1,8 @@
-from smolagents import CodeAgent, DuckDuckGoSearchTool, InferenceClientModel, tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, FinalAnswerTool, InferenceClientModel, tool
 #import requests
 import pytz
 import yaml
 from datetime import datetime
-from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
@@ -21,6 +20,28 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"The current local time in {timezone} is: {local_time}"
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
+    
+@tool
+def write_to_markdown(content: str, filename: str) -> None:
+    """
+    Write the given content to a markdown file.
+
+    Args:
+        content: The text content to write to the file
+        filename: The name of the markdown file (will automatically add .md extension if not present)
+
+    Example:
+        >>> write_to_markdown("# Hello World\\nThis is a test.", "output.md")
+    """
+    # Add .md extension if not present
+    if not filename.endswith('.md'):
+        filename += '.md'
+
+    # Write content to file
+    with open(filename, 'w', encoding='utf-8') as f:
+        f.write(content)
+
+    print(f"Content successfully written to {filename}")
 
 # Instantiate the DuckDuckGoSearchTool
 search_tool = DuckDuckGoSearchTool(max_results=5, rate_limit=2.0)
@@ -48,6 +69,7 @@ agent = CodeAgent(
 	    final_answer,
 	    search_tool,
 	    get_current_time_in_timezone,
+        write_to_markdown,
     ], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,

tools/final_answer.py

@@ -1,14 +0,0 @@
-from typing import Any, Optional
-from smolagents.tools import Tool
-
-class FinalAnswerTool(Tool):
-    name = "final_answer"
-    description = "Provides a final answer to the given problem."
-    inputs = {'answer': {'type': 'any', 'description': 'The final answer to the problem'}}
-    output_type = "any"
-
-    def forward(self, answer: Any) -> Any:
-        return answer
-
-    def __init__(self, *args, **kwargs):
-        self.is_initialized = False

tools/web_search.py

@@ -1,27 +0,0 @@
-from typing import Any, Optional
-from smolagents.tools import Tool
-import duckduckgo_search
-
-class DuckDuckGoSearchTool(Tool):
-    name = "web_search"
-    description = "Performs a duckduckgo web search based on your query (think a Google search) then returns the top search results."
-    inputs = {'query': {'type': 'string', 'description': 'The search query to perform.'}}
-    output_type = "string"
-
-    def __init__(self, max_results=10, **kwargs):
-        super().__init__()
-        self.max_results = max_results
-        try:
-            from duckduckgo_search import DDGS
-        except ImportError as e:
-            raise ImportError(
-                "You must install package `duckduckgo_search` to run this tool: for instance run `pip install duckduckgo-search`."
-            ) from e
-        self.ddgs = DDGS(**kwargs)
-
-    def forward(self, query: str) -> str:
-        results = self.ddgs.text(query, max_results=self.max_results)
-        if len(results) == 0:
-            raise Exception("No results found! Try a less restrictive/shorter query.")
-        postprocessed_results = [f"[{result['title']}]({result['href']})\n{result['body']}" for result in results]
-        return "## Search Results\n\n" + "\n\n".join(postprocessed_results)