233cb5798c
Workspace auto-saves every 30s and on exit, restores all tabs on launch. Sessions persist drawing elements, SVG source, canvas state, and metadata to ~/Library/Application Support/agcanvas/workspace.json. Manual save via Cmd+S. Command palette (Cmd+K) with fuzzy search over all commands: session management, tool switching, view toggles, canvas operations. Arrow keys to navigate, Enter to execute, Esc to dismiss.