T08: keys: xterm and kitty encoding, Option as Alt by side, IME composition at the cursor; shot types real AppKit keys

Cargo.toml

@@ -29,10 +29,12 @@ libc = "0.2"
 rustix-openpty = "0.2"
 signal-hook = "0.4"
 
+[target.'cfg(target_os = "macos")'.dependencies]
+objc = "0.2"
+
 [target.'cfg(target_os = "macos")'.dev-dependencies]
 core-graphics = "0.24"
 image = { version = "0.25", default-features = false, features = ["png"] }
-objc = "0.2"
 raw-window-handle = "0.6"
 
 [lints.rust]