Initial commit: AirCoding V1.0.0 Alpha architecture baseline

Complete architecture document set with multi-model review remediation:
- Frozen interface contracts, runtime semantics, DB schemas
- Event/tool/error/provider registries
- Scheduler and main agent state machines
- C4 module/code views, solution architecture, baseline V1
- Multi-model review reports and joint assessment
- Phase-gate remediation complete (P0/P1/P2/UX resolved)
- Implementation plan with T-000A through T-045
- Reference folders kept as placeholders only

reference/openai-codex/.github/scripts/build-zsh-release-artifact.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ "$#" -ne 1 ]]; then
+  echo "usage: $0 <archive-path>" >&2
+  exit 1
+fi
+
+archive_path="$1"
+workspace="${GITHUB_WORKSPACE:?missing GITHUB_WORKSPACE}"
+zsh_commit="${ZSH_COMMIT:?missing ZSH_COMMIT}"
+zsh_patch="${ZSH_PATCH:?missing ZSH_PATCH}"
+temp_root="${RUNNER_TEMP:-/tmp}"
+work_root="$(mktemp -d "${temp_root%/}/codex-zsh-release.XXXXXX")"
+trap 'rm -rf "$work_root"' EXIT
+
+source_root="${work_root}/zsh"
+package_root="${work_root}/codex-zsh"
+wrapper_path="${work_root}/exec-wrapper"
+stdout_path="${work_root}/stdout.txt"
+wrapper_log_path="${work_root}/wrapper.log"
+
+git clone https://git.code.sf.net/p/zsh/code "$source_root"
+cd "$source_root"
+git checkout "$zsh_commit"
+git apply "${workspace}/${zsh_patch}"
+./Util/preconfig
+./configure
+
+cores="$(command -v nproc >/dev/null 2>&1 && nproc || getconf _NPROCESSORS_ONLN)"
+make -j"${cores}"
+
+cat > "$wrapper_path" <<'EOF'
+#!/usr/bin/env bash
+set -euo pipefail
+: "${CODEX_WRAPPER_LOG:?missing CODEX_WRAPPER_LOG}"
+printf '%s\n' "$@" > "$CODEX_WRAPPER_LOG"
+file="$1"
+shift
+if [[ "$#" -eq 0 ]]; then
+  exec "$file"
+fi
+arg0="$1"
+shift
+exec -a "$arg0" "$file" "$@"
+EOF
+chmod +x "$wrapper_path"
+
+CODEX_WRAPPER_LOG="$wrapper_log_path" \
+EXEC_WRAPPER="$wrapper_path" \
+"${source_root}/Src/zsh" -fc '/bin/echo smoke-zsh' > "$stdout_path"
+
+grep -Fx "smoke-zsh" "$stdout_path"
+grep -Fx "/bin/echo" "$wrapper_log_path"
+
+mkdir -p "$package_root/bin" "$(dirname "${workspace}/${archive_path}")"
+cp "${source_root}/Src/zsh" "$package_root/bin/zsh"
+chmod +x "$package_root/bin/zsh"
+
+(cd "$work_root" && tar -czf "${workspace}/${archive_path}" codex-zsh)