fix: handle missing command directory gracefully

The program now exits with success (code 0) when no commands are found,
instead of returning an error. This fixes the integration test
test_missing_directory which expects graceful handling of missing
directories.

Author: markjaquith

src/main.rs

@@ -164,6 +164,12 @@ fn main() -> Result<()> {
         }
     }
 
+    // Check if we have any commands to work with
+    if commands_vec.is_empty() {
+        eprintln!("No command snippets found in: {}", config_dir.display());
+        return Ok(());
+    }
+
     // Dispatch based on subcommand
     match cli_args.action {
         Some(Action::Edit) => {