.help, - Show this help page.
.delete NAME - Show graph size, ask for confirmation, then delete that graph.
.exit, .quit - Quit the REPL.
.tutorial - Run the interactive tutorial; ENTER runs the step, then ENTER shows the next step. Other statements pause the tutorial until ENTER shows the pending step.
.graph - Show the current graph.
.graph NAME - Switch to the selected graph.
.list - List all graph names in the database with node and edge counts.
.prompt - Toggle between plain and graph-aware prompts.
.stats - Show graph statistics for the current graph.
