feat: apply lobster palette to prompts

src/terminal/palette.ts

@@ -0,0 +1,12 @@
+// Lobster palette tokens for CLI/UI theming. "lobster seam" == use this palette.
+// Keep in sync with docs/cli/index.md (CLI palette section).
+export const LOBSTER_PALETTE = {
+  accent: "#FF5A2D",
+  accentBright: "#FF7A3D",
+  accentDim: "#D14A22",
+  info: "#FF8A5B",
+  success: "#2FBF71",
+  warn: "#FFB020",
+  error: "#E23D2D",
+  muted: "#8B7F77",
+} as const;