feat: ios16 support

apps/mobile/modules/t3-terminal/README.md

@@ -8,9 +8,9 @@ The JavaScript contract is intentionally small:
 - resize from the native surface is emitted as `{ cols: number, rows: number }`
 - remote PTY output is delivered by the existing `WsRpcClient.terminal` RPC stream
 
-The iOS implementation uses the vendored `GhosttyKit.xcframework` built from the same custom-I/O
-Ghostty fork used by VVTerm. `T3TerminalView` owns a `libghostty` surface and mirrors VVTerm's
-custom I/O model:
+The iOS implementation uses the vendored `GhosttyKit.xcframework` built from the Ghostty custom-I/O
+fork, with T3's iOS 16 compatibility patch applied. `T3TerminalView` owns a `libghostty` surface and
+uses that callback I/O model:
 
 1. initialize libghostty once for the process
 2. create one Ghostty app and surface per native view
@@ -23,3 +23,16 @@ React Native screen and RPC code stay platform-neutral. The renderer backend can
 future Android Ghostty build without changing JS.
 
 Vendored Ghostty revision and license details are in `THIRD_PARTY_NOTICES.md`.
+
+## Rebuilding GhosttyKit
+
+The checked-in `GhosttyKit.xcframework` is built from the Ghostty custom-I/O fork (https://github.com/Yash-Singh1/ghostty/tree/custom-io).
+Set the directory to the cloned repository checked out on the `custom-io` branch to `GHOSTTY_SOURCE_DIR`.
+
+```bash
+apps/mobile/modules/t3-terminal/scripts/build-libghostty-ios16.sh
+```
+
+The script builds Ghostty with Zig 0.15.2, strips the iOS archives, and replaces only the
+`ios-arm64` and `ios-arm64-simulator` slices. Xcode's Metal toolchain must be installed; if `metal`
+fails, run `xcodebuild -downloadComponent MetalToolchain`.

apps/mobile/modules/t3-terminal/THIRD_PARTY_NOTICES.md

@@ -2,12 +2,13 @@
 
 ## Ghostty / libghostty
 
-The iOS terminal renderer vendors `GhosttyKit.xcframework`, a libghostty build produced from
-VVTerm's custom-I/O Ghostty fork.
+The iOS terminal renderer vendors `GhosttyKit.xcframework`, a libghostty build produced from T3's
+iOS 16 support fork. That fork was created from VVTerm's custom-I/O Ghostty fork.
 
 - Upstream project: https://github.com/ghostty-org/ghostty
-- Vendored source fork: https://github.com/wiedymi/ghostty
-- Vendored revision: `268a0a9d761fb19673f05d28042488e2002300f2`
+- Custom-I/O base fork: https://github.com/wiedymi/ghostty/tree/custom-io
+- Vendored source fork: https://github.com/Yash-Singh1/ghostty/tree/custom-io
+- Vendored revision: `d36c3b8dffd0d756dd5e5f4933962f774a0e6753`
 - Reference integration: https://github.com/vivy-company/vvterm
 - License: MIT
 

apps/mobile/modules/t3-terminal/Vendor/libghostty/VERSION

@@ -1 +1 @@
-268a0a9d761fb19673f05d28042488e2002300f2
+d36c3b8dffd0d756dd5e5f4933962f774a0e6753

apps/mobile/modules/t3-terminal/ios/T3TerminalView.swift

@@ -303,7 +303,7 @@ public final class T3TerminalView: ExpoView, UITextFieldDelegate {
       supports_selection_clipboard: false,
       wakeup_cb: { _ in },
       action_cb: { _, _, _ in false },
-      read_clipboard_cb: { _, _, _ in },
+      read_clipboard_cb: { _, _, _ in false },
       confirm_read_clipboard_cb: { _, _, _, _ in },
       write_clipboard_cb: { _, _, _, _, _ in },
       close_surface_cb: { _, _ in }

apps/mobile/modules/t3-terminal/scripts/build-libghostty-ios16.sh

@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+MODULE_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+VENDOR_DIR="${MODULE_DIR}/Vendor/libghostty"
+
+GHOSTTY_SOURCE_DIR="${GHOSTTY_SOURCE_DIR:-${HOME}/ghostty}"
+GHOSTTY_ZIG_VERSION="${GHOSTTY_ZIG_VERSION:-0.15.2}"
+GHOSTTY_ZIG="${GHOSTTY_ZIG:-}"
+
+log() {
+  printf '[libghostty-ios16] %s\n' "$*"
+}
+
+die() {
+  printf '[libghostty-ios16] error: %s\n' "$*" >&2
+  exit 1
+}
+
+require_cmd() {
+  command -v "$1" >/dev/null 2>&1 || die "missing required command: $1"
+}
+
+ensure_zig() {
+  if [[ -n "${GHOSTTY_ZIG}" ]]; then
+    [[ -x "${GHOSTTY_ZIG}" ]] || die "GHOSTTY_ZIG is not executable: ${GHOSTTY_ZIG}"
+    return
+  fi
+
+  if command -v zig >/dev/null 2>&1 && [[ "$(zig version)" == "${GHOSTTY_ZIG_VERSION}" ]]; then
+    GHOSTTY_ZIG="$(command -v zig)"
+    return
+  fi
+
+  local cache_dir="${HOME}/.cache/t3code/zig-${GHOSTTY_ZIG_VERSION}"
+  local archive_arch
+  archive_arch="$(uname -m)"
+  case "${archive_arch}" in
+    arm64) archive_arch="aarch64" ;;
+    x86_64) archive_arch="x86_64" ;;
+    *) die "unsupported macOS architecture for Zig download: ${archive_arch}" ;;
+  esac
+
+  GHOSTTY_ZIG="${cache_dir}/zig"
+  if [[ -x "${GHOSTTY_ZIG}" ]]; then
+    return
+  fi
+
+  require_cmd curl
+  require_cmd tar
+  mkdir -p "${cache_dir}"
+  log "downloading Zig ${GHOSTTY_ZIG_VERSION}"
+  curl -fsSL "https://ziglang.org/download/${GHOSTTY_ZIG_VERSION}/zig-${archive_arch}-macos-${GHOSTTY_ZIG_VERSION}.tar.xz" \
+    | tar -xJ --strip-components=1 -C "${cache_dir}"
+}
+
+require_cmd git
+require_cmd xcodebuild
+require_cmd xcrun
+require_cmd rsync
+ensure_zig
+
+ghostty_ref="$(git -C "${GHOSTTY_SOURCE_DIR}" rev-parse HEAD)"
+log "using Ghostty source: ${GHOSTTY_SOURCE_DIR} @ ${ghostty_ref}"
+log "using Zig: ${GHOSTTY_ZIG} ($("${GHOSTTY_ZIG}" version))"
+log "building GhosttyKit.xcframework"
+
+(
+  cd "${GHOSTTY_SOURCE_DIR}"
+  PATH="$(dirname "${GHOSTTY_ZIG}"):${PATH}" "${GHOSTTY_ZIG}" build \
+    -Dapp-runtime=none \
+    -Demit-xcframework=true \
+    -Demit-macos-app=false \
+    -Demit-exe=false \
+    -Demit-docs=false \
+    -Demit-webdata=false \
+    -Demit-helpgen=false \
+    -Demit-terminfo=false \
+    -Demit-termcap=false \
+    -Demit-themes=false \
+    -Doptimize=ReleaseFast \
+    -Dstrip \
+    -Dxcframework-target=universal
+)
+
+xcframework="${GHOSTTY_SOURCE_DIR}/macos/GhosttyKit.xcframework"
+ios_archive="${xcframework}/ios-arm64/libghostty-fat.a"
+sim_archive="${xcframework}/ios-arm64-simulator/libghostty-fat.a"
+[[ -f "${ios_archive}" ]] || die "missing built iOS archive: ${ios_archive}"
+[[ -f "${sim_archive}" ]] || die "missing built iOS simulator archive: ${sim_archive}"
+
+log "stripping iOS archives"
+xcrun strip -S -x "${ios_archive}"
+xcrun strip -S -x "${sim_archive}"
+
+log "copying iOS archives into ${VENDOR_DIR}/GhosttyKit.xcframework"
+cp "${ios_archive}" "${VENDOR_DIR}/GhosttyKit.xcframework/ios-arm64/libghostty-fat.a"
+cp "${sim_archive}" "${VENDOR_DIR}/GhosttyKit.xcframework/ios-arm64-simulator/libghostty-fat.a"
+rsync -a --delete "${xcframework}/ios-arm64/Headers/" \
+  "${VENDOR_DIR}/GhosttyKit.xcframework/ios-arm64/Headers/"
+rsync -a --delete "${xcframework}/ios-arm64-simulator/Headers/" \
+  "${VENDOR_DIR}/GhosttyKit.xcframework/ios-arm64-simulator/Headers/"
+
+log "done"

apps/mobile/package.json

@@ -87,6 +87,7 @@
     "react-native-shiki-engine": "^0.3.9",
     "react-native-svg": "15.15.3",
     "react-native-worklets": "0.7.2",
+    "shiki": "3.23.0",
     "tailwind-merge": "^3.5.0",
     "uniwind": "^1.6.2"
   },