style: apply ruff fixes

ghostcrew/interface/tui.py

@@ -20,7 +20,7 @@ from textual.containers import (
     Vertical,
 )
 from textual.reactive import reactive
-from textual.screen import ModalScreen, Screen
+from textual.screen import ModalScreen
 from textual.scrollbar import ScrollBar, ScrollBarRender
 from textual.timer import Timer
 from textual.widgets import Button, Input, Static, Tree

ghostcrew/tools/web_search/__init__.py

@@ -76,7 +76,7 @@ async def web_search(arguments: dict, runtime: "Runtime") -> str:
 def _format_results(query: str, data: dict) -> str:
     """
     Format Tavily results for LLM consumption.
-    
+
     Returns a lean format with summary + titles + URLs only.
     Content snippets are excluded to prevent LLM from regurgitating
     noisy web scrapes in its response.