diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index da59178..07890e4 100644
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -1,6 +1,20 @@
 #!/usr/bin/env bash
 # Bootstrap script for POSIX (Linux/macOS) to create a Python venv and install the project.
 # Usage: scripts/bootstrap.sh [--editable] [--venv <path>] [--python <python>] [--desktop] [--no-install]
+
+# Ensure script is running under Bash. Some users invoke this script with `sh` (dash)
+# which does not support the Bash features used below (e.g., [[ ]], arrays, read -p).
+# If not running under Bash, re-exec using a discovered bash binary.
+if [ -z "${BASH_VERSION:-}" ]; then
+  if command -v bash >/dev/null 2>&1; then
+    echo "This script requires Bash; re-execing as 'bash $0'..."
+    exec bash "$0" "$@"
+  else
+    echo "ERROR: This script requires Bash. Please run with 'bash $0' or install Bash." >&2
+    exit 2
+  fi
+fi
+
 set -euo pipefail
 
 VENV_PATH=".venv"
@@ -60,6 +74,17 @@ fi
 
 echo "Using Python: $PY"
 
+# Operate from the repository root (parent of the scripts dir) so relative
+# operations (like creating the venv and pip install) act on the project root
+# regardless of where this script was invoked from.
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO="$(cd "$SCRIPT_DIR/.." && pwd)"
+if ! cd "$REPO"; then
+  echo "ERROR: Failed to change to repo root: $REPO" >&2
+  exit 2
+fi
+echo "Operating from repo root: $REPO"
+
 if [[ -d "$VENV_PATH" ]]; then
   # Detect whether the existing venv has a working python executable
   VENV_PY=""
@@ -119,10 +144,10 @@ if [[ "$NOINSTALL" != "true" ]]; then
 
   if [[ "$EDITABLE" == "true" ]]; then
     echo "Installing project in editable mode..."
-    "$VENV_PY" -m pip install -e .
+    "$VENV_PY" -m pip install -e "$REPO"
   else
     echo "Installing project..."
-    "$VENV_PY" -m pip install .
+    "$VENV_PY" -m pip install "$REPO"
   fi
 
   # Verify the installed CLI module can be imported. This helps catch packaging