fix: resolve CI/CD issues - fixed linting and type errors

shell_speak/output.py

@@ -1,7 +1,5 @@
 """Output formatting with Rich."""
 
-from typing import Optional
-
 from rich.console import Console
 from rich.panel import Panel
 from rich.syntax import Syntax
@@ -11,7 +9,6 @@ from rich.theme import Theme
 from shell_speak.models import CommandMatch, HistoryEntry
 from shell_speak.nlp import tokenize
 
-
 custom_theme = Theme({
     "command": "bold cyan",
     "keyword": "bold green",
@@ -103,7 +100,7 @@ def display_suggestions(suggestions: list[str]) -> None:
 
 def display_learn_success(query: str, command: str) -> None:
     """Display confirmation of learning."""
-    console.print(f"[success]Learned new command:[/]")
+    console.print("[success]Learned new command:[/]")
     console.print(f"  Query: {query}")
     console.print(f"  [command]{command}[/]")