Refactor SearchVaultFiles to accept array of search terms, add user instruction panel in chat input with toggle button, move user instruction path to settings (from hardcoded), improve search result interaction with mouse/keyboard support, fix async exists() method in VaultService, and create example instructions file on first launch
- Remove unnecessary reasoning parameter from web search function
- Update Path enum to separate root and AI agent directory
- Add filename matching to vault search results
- Use Path enum constants consistently across services
