feat(installer): migrate shims to runtime-managed targets

install/install.sh

@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd -- "${SCRIPT_DIR}/.." && pwd)"
+INSTALL_HOME="${BB_INSTALL_HOME:-$HOME}"
+BB_HOME="${INSTALL_HOME}/.beadboard"
+TARGET_DIR="${BB_HOME}/bin"
+RUNTIME_DIR="${BB_HOME}/runtime"
+CURRENT_JSON="${RUNTIME_DIR}/current.json"
+VERSION="${BB_RUNTIME_VERSION:-0.1.0}"
+
+write_file_atomic() {
+  local target="$1"
+  local tmp="${target}.tmp.$$"
+  cat > "${tmp}"
+  mv "${tmp}" "${target}"
+}
+
+mkdir -p "${TARGET_DIR}" "${RUNTIME_DIR}"
+
+write_file_atomic "${CURRENT_JSON}" <<EOF
+{
+  "version": "${VERSION}",
+  "runtimeRoot": "${REPO_ROOT}",
+  "installMode": "repo-shim-fallback",
+  "shimTarget": "${REPO_ROOT}/install/beadboard.mjs"
+}
+EOF
+
+write_file_atomic "${TARGET_DIR}/beadboard" <<EOF
+#!/usr/bin/env bash
+set -euo pipefail
+BB_HOME="\${BB_INSTALL_HOME:-\$HOME}/.beadboard"
+CURRENT_JSON="\${BB_HOME}/runtime/current.json"
+resolve_runtime_root() {
+  if [ -f "\${CURRENT_JSON}" ]; then
+    local root
+    root="\$(node -e "const fs=require('fs');try{const j=JSON.parse(fs.readFileSync(process.argv[1],'utf8'));if(j&&typeof j.runtimeRoot==='string')process.stdout.write(j.runtimeRoot)}catch{}" "\${CURRENT_JSON}")"
+    if [ -n "\${root}" ]; then
+      printf '%s' "\${root}"
+      return 0
+    fi
+  fi
+  printf '%s' "${REPO_ROOT}"
+}
+RUNTIME_ROOT="\$(resolve_runtime_root)"
+exec node "\${RUNTIME_ROOT}/install/beadboard.mjs" "\$@"
+EOF
+
+write_file_atomic "${TARGET_DIR}/bb" <<EOF
+#!/usr/bin/env bash
+set -euo pipefail
+BB_HOME="\${BB_INSTALL_HOME:-\$HOME}/.beadboard"
+CURRENT_JSON="\${BB_HOME}/runtime/current.json"
+resolve_runtime_root() {
+  if [ -f "\${CURRENT_JSON}" ]; then
+    local root
+    root="\$(node -e "const fs=require('fs');try{const j=JSON.parse(fs.readFileSync(process.argv[1],'utf8'));if(j&&typeof j.runtimeRoot==='string')process.stdout.write(j.runtimeRoot)}catch{}" "\${CURRENT_JSON}")"
+    if [ -n "\${root}" ]; then
+      printf '%s' "\${root}"
+      return 0
+    fi
+  fi
+  printf '%s' "${REPO_ROOT}"
+}
+RUNTIME_ROOT="\$(resolve_runtime_root)"
+exec npx --yes tsx "\${RUNTIME_ROOT}/tools/bb.ts" "\$@"
+EOF
+
+chmod +x "${TARGET_DIR}/beadboard" "${TARGET_DIR}/bb"
+
+cat <<MSG
+Installed BeadBoard shims:
+- ${TARGET_DIR}/beadboard
+- ${TARGET_DIR}/bb
+- ${CURRENT_JSON}
+
+Add to PATH if needed:
+  export PATH="${TARGET_DIR}:\$PATH"
+MSG