build: add vscode ext install script

scripts/install-vscode-extensions.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# Install VS Code extensions from devcontainer.json
+# This script reads extensions from the single source of truth
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+DEVCONTAINER_JSON="$SCRIPT_DIR/../.devcontainer/devcontainer.json"
+
+echo "Installing VS Code extensions from devcontainer.json..."
+
+if [ ! -f "$DEVCONTAINER_JSON" ]; then
+    echo "Error: devcontainer.json not found at $DEVCONTAINER_JSON"
+    exit 1
+fi
+
+# Use Bun to parse JSON and extract extensions
+EXTENSIONS=$(bun -e "
+const config = await Bun.file('$DEVCONTAINER_JSON').json();
+const extensions = config?.customizations?.vscode?.extensions ?? [];
+console.log(extensions.join('\n'));
+")
+
+if [ -z "$EXTENSIONS" ]; then
+    echo "No extensions found in devcontainer.json"
+    exit 0
+fi
+
+# Determine which CLI to use (code-server, cursor, or code)
+if command -v code-server &> /dev/null; then
+    CLI="code-server"
+elif command -v cursor &> /dev/null; then
+    CLI="cursor"
+elif command -v code &> /dev/null; then
+    CLI="code"
+else
+    echo "Warning: No VS Code CLI found (code-server, cursor, or code)"
+    echo "Extensions to install:"
+    echo "$EXTENSIONS"
+    exit 0
+fi
+
+echo "Using $CLI to install extensions..."
+
+# Install each extension
+echo "$EXTENSIONS" | while read -r ext; do
+    if [ -n "$ext" ]; then
+        echo "Installing: $ext"
+        $CLI --install-extension "$ext" 2>/dev/null || true
+    fi
+done
+
+echo "Extension installation complete!"