src/main.rs:5:fn main() {
src/main.rs:12:    let result = main_handler();
src/lib.rs:3:pub fn main_handler() -> Result<(), Error> {
src/lib.rs:47:    // main logic here
src/cmd/mod.rs:1:// main entry for subcommands
src/cmd/mod.rs:88:fn dispatch_main(args: &[String]) {
tests/integration.rs:15:fn test_main_invocation() {
tests/integration.rs:16:    let result = main_handler();
