What it may solve
Configurable send and newline keys, a custom composer context menu with a native-menu switch, a quick-command panel with built-in prompts and a per-prompt "always append on send" toggle, a prompt optimizer that rewrites the draft with a separate model call, settings-panel size memory, and automatic x-opencode-session header injection for OpenCode routes.
Imported third-party catalog description; not a Registry verification conclusion.