Update app.py

app.py

@@ -12,6 +12,7 @@ import re
 import requests
 import pytz
 import yaml
+from typing import Annotated
 
 from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
@@ -19,9 +20,12 @@ from Gradio_UI import GradioUI
 
 # ---- Custom Tools ----
 
+
 @tool
-def get_current_time_in_timezone(timezone: str) -> str:
-    """Fetch the current local time in a specified timezone, e.g. 'America/Los_Angeles'."""
+def get_current_time_in_timezone(
+    timezone: Annotated[str, "IANA timezone like 'America/Los_Angeles'"]
+) -> str:
+    """Return the current local time for the given timezone."""
     try:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
@@ -31,8 +35,10 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 
 @tool
-def fetch_page_title(url: str) -> str:
-    """Fetch the HTML page at a URL and return its <title>."""
+def fetch_page_title(
+    url: Annotated[str, "An http/https URL to fetch"]
+) -> str:
+    """Fetch the page and return its <title> text."""
     try:
         resp = requests.get(url, timeout=10)
         resp.raise_for_status()
@@ -44,12 +50,15 @@ def fetch_page_title(url: str) -> str:
 
 
 @tool
-def echo_and_length(text: str) -> str:
-    """Return the text back (trimmed) and its character length."""
+def echo_and_length(
+    text: Annotated[str, "Any text to echo back"]
+) -> str:
+    """Echo the text and report its character length."""
     t = text.strip()
     return f"Echo: {t}\nLength: {len(t)}"
 
 
+
 # ---- Model & Tools wiring ----
 
 final_answer = FinalAnswerTool()