Fix: Handled and pretty-printed exceptions without exiting the CLI. (#2055)

Author: fswair

pydantic_ai_slim/pydantic_ai/_cli.py

@@ -254,6 +254,11 @@ async def run_chat(
                 messages = await ask_agent(agent, text, stream, console, code_theme, deps, messages)
             except CancelledError:  # pragma: no cover
                 console.print('[dim]Interrupted[/dim]')
+            except Exception as e:  # pragma: no cover
+                cause = getattr(e, '__cause__', None)
+                console.print(f'\n[red]{type(e).__name__}:[/red] {e}')
+                if cause:
+                    console.print(f'[dim]Caused by: {cause}[/dim]')
 
 
 async def ask_agent(