Skip session resume prompt when --new-session flag is passed

When users explicitly pass --new-session, they want a fresh session.
Previously g3 would still prompt to resume an existing session.
Now the resume check is skipped entirely when the flag is set.

crates/g3-cli/src/lib.rs

@@ -197,6 +197,7 @@ async fn run_console_mode(
             cli.show_code,
             combined_content,
             project.workspace(),
+            cli.new_session,
         )
         .await
     }