Update NPM Dependencies

Upgrade npm dependencies intelligently, researching breaking changes for major version updates.

Optional filter: $ARGUMENTS (e.g., react, react axios lodash)

Phase 1: Monorepo Detection

Search for package.json files in the project (excluding node_modules):

find . -name "package.json" -not -path "*/node_modules/*" -not -path "*/.git/*"

• If one found: proceed with that location
• If multiple found: use AskUserQuestion to let user choose which to update (multiSelect allowed)
• If none found: inform user and exit

Phase 2: Discovery