Add root check

Cargo.lock

@@ -510,6 +510,7 @@ dependencies = [
  "portable-pty",
  "rand",
  "ratatui",
+ "sudo",
  "temp-dir",
  "tree-sitter-bash",
  "tree-sitter-highlight",
@@ -1006,6 +1007,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "sudo"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88bd84d4c082e18e37fef52c0088e4407dabcef19d23a607fb4b5ee03b7d5b83"
+dependencies = [
+ "libc",
+ "log",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.77"

tui/Cargo.toml

@@ -30,6 +30,7 @@ tree-sitter-highlight = "0.24.2"
 tree-sitter-bash = "0.23.1"
 anstyle = "1.0.8"
 ansi-to-tui = "6.0.0"
+sudo = "0.6.0"
 zips = "0.1.7"
 
 [build-dependencies]

tui/src/main.rs

@@ -36,6 +36,12 @@ struct Args {
 }
 
 fn main() -> io::Result<()> {
+    if sudo::check() != sudo::RunningAs::User {
+        eprintln!("Error: This program is not intended to be run with elevated privileges.");
+        eprintln!("Please run this program as a regular user to ensure proper security and functionality.");
+        std::process::exit(1);
+    }
+
     let args = Args::parse();
 
     let mut state = AppState::new(args.theme, args.override_validation);