feat: am tip cheat sheet + readable man pages + REPL completion refresh

src/commands/mod.rs

@@ -29,6 +29,7 @@ pub mod stats_cmd;
 pub mod self_update;
 pub mod status_cmd;
 pub mod timeline_cmd;
+pub mod tip_cmd;
 pub mod uninstall_cmd;
 pub mod update_cmd;
 pub mod watch_cmd;
@@ -161,6 +162,7 @@ pub fn execute_command(app: &App, cmd: &Command) -> Result<i32> {
         Command::Init { force } => init_cmd::run(app, *force),
         Command::Help { command, find } => help_cmd::run(app, command.as_deref(), find.as_deref()),
         Command::Version => version_cmd::run(app),
+        Command::Tip { random } => tip_cmd::run(app, *random),
         Command::Config(sub) => config_cmd::run(app, sub),
         Command::Doctor { fix } => doctor_cmd::run(app, *fix),
         Command::Run { agent, args } => run_cmd::run(app, agent, args),