fix: resolve forced termination after loading completion

- Add proper cleanup tracking to prevent duplicate terminal cleanup
- Remove duplicate Ctrl+C handler in StageManager to avoid MultipleHandlers error
- Improve error handling with helpful WSL/SSH environment hints
- Ensure loading screen completes before game startup attempt

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: unhappychoice

src/game/stage_manager.rs

@@ -44,12 +44,6 @@ impl StageManager {
     }
 
     pub fn run_session(&mut self) -> Result<()> {
-        // Set up signal handler for Ctrl+C
-        ctrlc::set_handler(move || {
-            terminal::disable_raw_mode().ok();
-            std::process::exit(0);
-        }).expect("Error setting Ctrl-C handler");
-
         // Enable raw mode for entire application session
         match terminal::enable_raw_mode() {
             Ok(_) => {},

src/main.rs

@@ -68,6 +68,8 @@ enum Commands {
 fn main() -> anyhow::Result<()> {
     // Set up Ctrl+C handler
     ctrlc::set_handler(move || {
+        // Clean up terminal state if needed
+        let _ = crossterm::terminal::disable_raw_mode();
         println!("\n\nInterrupted by user");
         std::process::exit(0);
     }).expect("Error setting Ctrl-C handler");
@@ -158,6 +160,10 @@ fn main() -> anyhow::Result<()> {
                     },
                     Err(e) => {
                         eprintln!("Error during game session: {}", e);
+                        if e.to_string().contains("No such device or address") {
+                            eprintln!("\nHint: This error often occurs in WSL or SSH environments where terminal features are limited.");
+                            eprintln!("Try running GitType in a native terminal or GUI terminal emulator.");
+                        }
                     }
                 }
             } else {

src/ui/centered_loading.rs

@@ -27,6 +27,7 @@ pub struct CenteredLoadingDisplay {
     files_processed: Mutex<usize>,
     total_files: Mutex<usize>,
     last_render: Mutex<Instant>,
+    cleaned_up: Mutex<bool>,
 }
 
 impl CenteredLoadingDisplay {
@@ -48,6 +49,7 @@ impl CenteredLoadingDisplay {
             files_processed: Mutex::new(0),
             total_files: Mutex::new(0),
             last_render: Mutex::new(Instant::now()),
+            cleaned_up: Mutex::new(false),
         })
     }
 
@@ -120,6 +122,9 @@ impl CenteredLoadingDisplay {
         // Wait a moment to show the completion
         std::thread::sleep(std::time::Duration::from_millis(800));
 
+        // Clean up terminal state before returning
+        self.cleanup()?;
+        
         Ok(())
     }
 
@@ -293,9 +298,15 @@ impl CenteredLoadingDisplay {
     }
 
     pub fn cleanup(&self) -> Result<()> {
+        let mut cleaned_up = self.cleaned_up.lock().unwrap();
+        if *cleaned_up {
+            return Ok(());
+        }
+        
         disable_raw_mode()?;
         let mut stdout = stdout();
         stdout.execute(LeaveAlternateScreen)?;
+        *cleaned_up = true;
         Ok(())
     }
 }