fix(cli): harden install integration checks

Co-Authored-By: Paperclip <noreply@paperclip.ing>

scripts/clean-install-npm.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 set -euo pipefail
 
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+PC_INSTALL_DRIVER="${PC_INSTALL_DRIVER:-source}"
+
 PC_TEST_ROOT="$(mktemp -d "${TMPDIR:-/tmp}/paperclip-clean-install.XXXXXX")"
 PC_HOME="$PC_TEST_ROOT/home"
 PC_CACHE="$PC_TEST_ROOT/npm-cache"
@@ -13,8 +16,11 @@ export npm_config_cache="$PC_CACHE"
 export npm_config_userconfig="$PC_HOME/.npmrc"
 export PATH="$PC_HOME/.local/bin:$PATH"
 
-cd "$PC_TEST_ROOT"
-npx --yes --registry https://registry.npmjs.org paperclipai install
+if [ "$PC_INSTALL_DRIVER" = "published" ]; then
+  (cd "$PC_TEST_ROOT" && npx --yes --registry https://registry.npmjs.org paperclipai install)
+else
+  (cd "$REPO_ROOT" && pnpm paperclipai install --yes)
+fi
 
 test -x "$PC_HOME/.local/bin/paperclipai"
 test -L "$PAPERCLIP_HOME/cli/current"
@@ -23,7 +29,7 @@ paperclipai --version
 
 mkdir -p "$PAPERCLIP_HOME/instances/default"
 touch "$PAPERCLIP_HOME/instances/default/user-data-marker"
-paperclipai uninstall
+(cd "$REPO_ROOT" && pnpm paperclipai uninstall)
 
 test ! -e "$PAPERCLIP_HOME/cli"
 test ! -e "$PC_HOME/.local/bin/paperclipai"