feat: apply lobster palette to prompts

src/terminal/prompt-style.ts

@@ -0,0 +1,10 @@
+import { isRich, theme } from "./theme.js";
+
+export const stylePromptMessage = (message: string): string =>
+  isRich() ? theme.accent(message) : message;
+
+export const stylePromptTitle = (title?: string): string | undefined =>
+  title && isRich() ? theme.heading(title) : title;
+
+export const stylePromptHint = (hint?: string): string | undefined =>
+  hint && isRich() ? theme.muted(hint) : hint;