- Add WEB_SEARCH_ENABLED and WEB_SEARCH_MAX_RESULTS config options
- Detect search-intent messages via trigger keywords and inject web
results into the AI context
- Instruct the system prompt to use web search for factual, current,
or time-sensitive questions instead of inventing data
- Rename uploads directory from `uploadsfiles/` to `workspace/`,
updating .gitignore and backup instructions in DEPLOY.md