ui(carwash): mapping chips show the camera's canonical class ids, not translations

The vocabulary is a code constant (the model's contract), the site only maps it; a chip
reading VETURË beside a site category named Veture blurred exactly that (user, 2026-09-06).
Translation stays as the tooltip; a hint names where the list lives.

Claude-Session: https://claude.ai/code/session_01FWncR69HgGPuei1dLrW3cU

apps/web/src/lib/i18n/en.ts

@@ -140,6 +140,7 @@ export const en: Catalog = {
     visionSaw: "Camera saw",
     visionUnmapped: "not mapped to a category",
     visionClasses: "Camera classes",
+    visionClassesHint: "The camera's fixed vocabulary (set in code, not here). Tick the classes this category covers.",
     visionThreshold: "Camera confidence to flag a downgrade",
     visionThresholdHint: "When the camera is at least this sure and the operator picks a cheaper category than the one its class maps to, the order is flagged for review. It is never blocked.",
   },

apps/web/src/lib/i18n/sq.ts

@@ -142,6 +142,7 @@ export const sq = {
     visionSaw: "Kamera pa",
     visionUnmapped: "pa kategori të lidhur",
     visionClasses: "Klasat e kamerës",
+    visionClassesHint: "Fjalori i fiksuar i kamerës (vendoset në kod, jo këtu). Shëno klasat që mbulon kjo kategori.",
     visionThreshold: "Siguria e kamerës për të shënuar një ulje kategorie",
     visionThresholdHint: "Kur kamera është të paktën kaq e sigurt dhe operatori zgjedh një kategori më të lirë se ajo ku lidhet klasa, porosia shënohet për shqyrtim. Nuk bllokohet kurrë.",
   },

apps/web/src/modules/carwash/CarWashSetup.tsx

@@ -32,7 +32,9 @@ function ListEditor({
   onChange: (items: Item[]) => void;
   addLabel: string;
   /** Categories only: offer the vision vocabulary as chips under each row — the site's
-   *  own "car, sedan → Vetura" mapping (venue-modules.md §Vehicle category). */
+   *  own "car, sedan → Vetura" mapping (venue-modules.md §Vehicle category). The chips
+   *  show the CANONICAL ids (the model's fixed vocabulary, a code constant), never a
+   *  translation, so they read as what they are: not site text (user, 2026-09-06). */
   visionMap?: boolean;
 }) {
   const { t } = useTranslation();
@@ -71,12 +73,18 @@ function ListEditor({
         </div>
         {visionMap && (
           <div className="flex flex-wrap items-center gap-1 pl-1">
-            <span className="mr-1 text-[0.625rem] uppercase tracking-wider text-term-muted">{t("wash.visionClasses")}</span>
+            <span className="mr-1 text-[0.625rem] uppercase tracking-wider text-term-muted" title={t("wash.visionClassesHint")}>{t("wash.visionClasses")}</span>
             {VEHICLE_CLASSES.map((cls) => {
               const on = (it.visionClasses ?? []).includes(cls);
               return (
-                <button key={cls} type="button" className={`btn btn-sm ${on ? "btn-primary" : "btn-ghost"}`} onClick={() => toggleClass(i, cls)}>
-                  {t(`vehicleClass.${cls}`)}
+                <button
+                  key={cls}
+                  type="button"
+                  className={`btn btn-sm font-mono lowercase ${on ? "btn-primary" : "btn-ghost"}`}
+                  title={t(`vehicleClass.${cls}`)}
+                  onClick={() => toggleClass(i, cls)}
+                >
+                  {cls}
                 </button>
               );
             })}