0.16.0

• Add in-app editable Monaco editor for SFTP files with Cmd+S save
• Low-level SFTP write (open→write→close) with 30s timeout for Node 22 compat
• Partial file loading (first 100KB instant) works in both read-only and edit mode
• Arabic/RTL BiDi rendering fix with proper font fallback chain
• Progress reporting with circular indicator during file loading
• File list auto-refreshes after save to reflect updated size
• Unsaved changes confirmation dialog on close
• SQL: enable cell text selection and copy in AG Grid
• SQL: filter '+' button duplicates source row's column/operator
• Sidebar: database search now matches display label only, not internal fields
• File size limit raised from 5MB to 50MB for in-app viewing/editing