diff --git a/src/app/dashboard/financial/delivery-notes/inbox-3/unit-input.tsx b/src/app/dashboard/financial/delivery-notes/inbox-3/unit-input.tsx
index 911c31b..5d157e8 100644
--- a/src/app/dashboard/financial/delivery-notes/inbox-3/unit-input.tsx
+++ b/src/app/dashboard/financial/delivery-notes/inbox-3/unit-input.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import { UNIT_SUGGESTIONS } from "@/lib/inbox-three/line-rows";
+import { UNIT_SUGGESTIONS } from "@/lib/inbox-three/units";
 
 /**
  * The unit on a slip line, and the conversion it needs.
diff --git a/src/lib/inbox-three/line-rows.ts b/src/lib/inbox-three/line-rows.ts
index 6746313..3080a0f 100644
--- a/src/lib/inbox-three/line-rows.ts
+++ b/src/lib/inbox-three/line-rows.ts
@@ -66,7 +66,9 @@ export interface LineRow {
   ready: boolean; posted: boolean; problem: string | null;
 }
 
-export const UNIT_SUGGESTIONS = ["each", "roll", "m", "m²", "m³", "kg", "5kg bag", "ton", "length", "box", "pack"] as const;
+// Re-exported so the plan's import path keeps working; the list itself
+// lives in a module the browser can load.
+export { UNIT_SUGGESTIONS } from "./units";
 
 const round2 = (n: number) => Math.round((n + Number.EPSILON) * 100) / 100;
 /** A factor has to be a real conversion: above zero and no bigger than a roll of 10000. */
diff --git a/src/lib/inbox-three/units.ts b/src/lib/inbox-three/units.ts
new file mode 100644
index 0000000..71bb086
--- /dev/null
+++ b/src/lib/inbox-three/units.ts
@@ -0,0 +1,7 @@
+/**
+ * The units a slip is likely to use.
+ *
+ * Kept on its own, free of any Node-only import, so the office's screen can
+ * offer them without dragging the matching engine into the browser.
+ */
+export const UNIT_SUGGESTIONS = ["each", "roll", "m", "m²", "m³", "kg", "5kg bag", "ton", "length", "box", "pack"] as const;