v0.4.0 phase 1: stale config cleanup, --help flag, gitignore

.gitignore

@@ -4,6 +4,9 @@
 /samples
 *.log
 config.ini
+/backups/
+/logs/
+NotAlterra_LICENSE_ACCEPTED
 .deepseek
 /builds/
 

src/config.rs

@@ -23,6 +23,22 @@ pub fn accept_disclaimer() -> std::io::Result<()> {
     Ok(())
 }
 
+/// Path to the stale `config.ini` from v0.3.0 and earlier.
+pub fn stale_config_path() -> PathBuf {
+    exe_dir().join("config.ini")
+}
+
+/// Remove the stale `config.ini` if it exists.  Returns `true` if removed.
+pub fn cleanup_stale_config() -> bool {
+    let path = stale_config_path();
+    if path.exists() {
+        std::fs::remove_file(&path).ok();
+        true
+    } else {
+        false
+    }
+}
+
 /// Return the directory containing the running executable.
 pub fn exe_dir() -> PathBuf {
     std::env::current_exe()

src/main.rs

@@ -39,6 +39,15 @@ const VERSION: &str = concat!("v", env!("CARGO_PKG_VERSION"));
 /// Entry point — parses args, loads config, and starts the TUI loop.
 fn main() -> Result<()> {
     for arg in std::env::args().skip(1) {
+        if arg == "--help" || arg == "-h" {
+            println!("notalterra {}", VERSION);
+            println!("Subnautica 2 save-file manager — cross-platform terminal application.");
+            println!();
+            println!("Usage:  notalterra [--version | --help]");
+            println!();
+            println!("Run with no arguments to start the interactive terminal UI.");
+            return Ok(());
+        }
         if arg == "--version" || arg == "-v" {
             println!("notalterra {}", VERSION);
             return Ok(());
@@ -148,6 +157,11 @@ fn run_app<B: Backend>(terminal: &mut Terminal<B>) -> Result<()> {
          result in incomplete, corrupt, or overwritten save files.",
     )?;
 
+    // Clean up stale config.ini from v0.3.0 and earlier
+    if crate::config::cleanup_stale_config() {
+        guard::log_action("MIGRATE", "old config.ini removed", "SAFE", &app.log_path)?;
+    }
+
     // Quick check of common save locations (current user only, no profile scans)
     if app.save_folder.is_none() {
         if let Some(path) = discovery::quick_discover() {