Fix rust build on windows (#2019)

This pull request implements a fix from #2000, as well as fixed an
additional problem with path lengths on windows that prevents the login
from displaying.

---------

Co-authored-by: Michael Bolin <bolinfest@gmail.com>
Co-authored-by: Michael Bolin <mbolin@openai.com>

codex-rs/tui/src/tui.rs

@@ -29,14 +29,17 @@ pub fn init(_config: &Config) -> Result<Tui> {
     // Enable keyboard enhancement flags so modifiers for keys like Enter are disambiguated.
     // chat_composer.rs is using a keyboard event listener to enter for any modified keys
     // to create a new line that require this.
-    execute!(
+    // Some terminals (notably legacy Windows consoles) do not support
+    // keyboard enhancement flags. Attempt to enable them, but continue
+    // gracefully if unsupported.
+    let _ = execute!(
         stdout(),
         PushKeyboardEnhancementFlags(
             KeyboardEnhancementFlags::DISAMBIGUATE_ESCAPE_CODES
                 | KeyboardEnhancementFlags::REPORT_EVENT_TYPES
                 | KeyboardEnhancementFlags::REPORT_ALTERNATE_KEYS
         )
-    )?;
+    );
     set_panic_hook();
 
     // Clear screen and move cursor to top-left before drawing UI
@@ -57,7 +60,8 @@ fn set_panic_hook() {
 
 /// Restore the terminal to its original state
 pub fn restore() -> Result<()> {
-    execute!(stdout(), PopKeyboardEnhancementFlags)?;
+    // Pop may fail on platforms that didn't support the push; ignore errors.
+    let _ = execute!(stdout(), PopKeyboardEnhancementFlags);
     execute!(stdout(), DisableBracketedPaste)?;
     disable_raw_mode()?;
     Ok(())