refactor: Renamed the argument for the --completions flag to SHELL

src/cli/mod.rs

@@ -1,15 +1,15 @@
 mod completer;
 
 use crate::cli::completer::{
-    agent_completer, macro_completer, model_completer, rag_completer, role_completer,
-    secrets_completer, session_completer, ShellCompletion,
+    ShellCompletion, agent_completer, macro_completer, model_completer, rag_completer,
+    role_completer, secrets_completer, session_completer,
 };
 use anyhow::{Context, Result};
 use clap::ValueHint;
-use clap::{crate_authors, crate_description, crate_name, crate_version, Parser};
+use clap::{Parser, crate_authors, crate_description, crate_name, crate_version};
 use clap_complete::ArgValueCompleter;
 use is_terminal::IsTerminal;
-use std::io::{stdin, Read};
+use std::io::{Read, stdin};
 
 #[derive(Parser, Debug)]
 #[command(author, version, about, long_about = None)]
@@ -131,7 +131,7 @@ pub struct Cli {
     #[arg(long, exclusive = true)]
     pub list_secrets: bool,
     /// Generate static shell completion scripts
-    #[arg(long, value_enum)]
+    #[arg(long, value_name = "SHELL", value_enum)]
     pub completions: Option<ShellCompletion>,
 }