Better search paths and handling of CLI providers (#5554)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

crates/goose/src/subprocess.rs

@@ -0,0 +1,10 @@
+use tokio::process::Command;
+
+#[cfg(windows)]
+const CREATE_NO_WINDOW_FLAG: u32 = 0x08000000;
+
+#[allow(unused_variables)]
+pub fn configure_command_no_window(command: &mut Command) {
+    #[cfg(windows)]
+    command.creation_flags(CREATE_NO_WINDOW_FLAG);
+}