build: update libghostty-vt vendor

vendor ghostty 063ac3e and remove the musl libc++ link workaround.

expose the new selection formatter and hyperlink uri apis for follow-up rendering work.

add manual artifact validation for static linux builds.

1 files changed, 7 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/src/terminal/c/key_encode.zig b/vendor/libghostty-vt/src/terminal/c/key_encode.zig
index 15fa74dd..f5d459f0 100644
--- a/vendor/libghostty-vt/src/terminal/c/key_encode.zig
+++ b/vendor/libghostty-vt/src/terminal/c/key_encode.zig
@@ -52,6 +52,11 @@ pub const Option = enum(c_int) {
     modify_other_keys_state_2 = 4,
     kitty_flags = 5,
     macos_option_as_alt = 6,
+    /// DEC Backarrow Key Mode (DECBKM)
+    /// See https://vt100.net/dec/ek-vt3xx-tp-002.pdf page 170
+    /// If `false` (the default), `backspace` emits 0x7f
+    /// If `true`, `backspace` emits 0x08
+    backarrow_key_mode = 7,
 
     /// Input type expected for setting the option.
     pub fn InType(comptime self: Option) type {
@@ -61,6 +66,7 @@ pub const Option = enum(c_int) {
             .ignore_keypad_with_numlock,
             .alt_esc_prefix,
             .modify_other_keys_state_2,
+            .backarrow_key_mode,
             => bool,
             .kitty_flags => u8,
             .macos_option_as_alt => OptionAsAlt,
@@ -114,6 +120,7 @@ fn setoptTyped(
             }
             opts.macos_option_as_alt = value.*;
         },
+        .backarrow_key_mode => opts.backarrow_key_mode = value.*,
     }
 }