Add fake iOS FFI XCFramework build

scripts/build-ios-fake-ffi-xcframework.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+out_dir="${1:-${repo_root}/build/ios-fake-ffi-xcframework}"
+target="${IOS_RUST_TARGET:-aarch64-apple-ios-sim}"
+lib_path="${repo_root}/target/${target}/release/libtele_ios_ffi.a"
+framework_name="${IOS_FFI_FRAMEWORK_NAME:-tele_ios_ffi}"
+
+if [[ -z "${DEVELOPER_DIR:-}" && -d /Applications/Xcode.app/Contents/Developer ]]; then
+  export DEVELOPER_DIR=/Applications/Xcode.app/Contents/Developer
+fi
+
+cd "${repo_root}"
+
+if ! rustup target list --installed | grep -qx "${target}"; then
+  rustup target add "${target}"
+fi
+
+cargo build \
+  -p tele-ios-ffi \
+  --no-default-features \
+  --features standalone-fake \
+  --target "${target}" \
+  --release
+
+rm -rf "${out_dir}"
+mkdir -p "${out_dir}/Swift" "${out_dir}/Headers"
+
+cargo run -p uniffi-bindgen-swift -- "${lib_path}" "${out_dir}/Swift" --swift-sources
+cargo run -p uniffi-bindgen-swift -- "${lib_path}" "${out_dir}/Headers" --headers
+cargo run -p uniffi-bindgen-swift -- "${lib_path}" "${out_dir}/Headers" \
+  --modulemap \
+  --module-name tele_ios_ffiFFI \
+  --modulemap-filename module.modulemap
+
+xcodebuild -create-xcframework \
+  -library "${lib_path}" \
+  -headers "${out_dir}/Headers" \
+  -output "${out_dir}/${framework_name}.xcframework"
+
+printf 'Generated fake-only iOS FFI XCFramework in %s\n' "${out_dir}"