Merge pull request #887 from Hmbown/codex/fix-872-windows-utf8

fix(tui): set Windows console to UTF-8

crates/tui/Cargo.toml

@@ -81,4 +81,4 @@ libc = "0.2"
 libc = "0.2"
 
 [target.'cfg(target_os = "windows")'.dependencies]
-windows = { version = "0.60", features = ["Win32_Foundation", "Win32_UI_WindowsAndMessaging", "Win32_System_Diagnostics_Debug"] }
+windows = { version = "0.60", features = ["Win32_Foundation", "Win32_System_Console", "Win32_UI_WindowsAndMessaging", "Win32_System_Diagnostics_Debug"] }

crates/tui/src/main.rs

@@ -78,6 +78,20 @@ use crate::models::{ContentBlock, Message, MessageRequest, SystemPrompt};
 use crate::session_manager::{SessionManager, create_saved_session};
 use crate::tui::history::{summarize_tool_args, summarize_tool_output};
 
+#[cfg(windows)]
+fn configure_windows_console_utf8() {
+    use windows::Win32::System::Console::{SetConsoleCP, SetConsoleOutputCP};
+
+    const CP_UTF8: u32 = 65001;
+    unsafe {
+        let _ = SetConsoleCP(CP_UTF8);
+        let _ = SetConsoleOutputCP(CP_UTF8);
+    }
+}
+
+#[cfg(not(windows))]
+fn configure_windows_console_utf8() {}
+
 #[derive(Parser, Debug)]
 #[command(
     name = "deepseek",
@@ -543,6 +557,8 @@ enum SandboxCommand {
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    configure_windows_console_utf8();
+
     // Set up process panic hook before anything else — writes crash dumps
     // to ~/.deepseek/crashes/ even if the panic happens before tokio is up,
     // and restores the terminal so a panicked TUI doesn't leave the user's