little bit of ui clean up and fixing the platform labels/keys

components/parts/PartsBrowseClient.tsx

@@ -19,6 +19,7 @@ import SortBar from "@/components/parts/SortBar";
 import PartsGrid from "@/components/parts/PartsGrid";
 import Pagination from "@/components/parts/Pagination";
 import PlatformSwitcher from "@/components/parts/PlatformSwitcher";
+import { normalizePlatformKey } from "@/lib/platforms";
 
 import type { Category } from "@/types/builderSlots";
 import {
@@ -111,9 +112,10 @@ export default function PartsBrowseClient(props: {
   const isBuilderMode = pathname.startsWith("/parts/p/");
 
   // ✅ Respect prop override first, else read query, else fallback
-  const effectivePlatform =
-    props.platform ?? searchParams.get("platform") ?? "AR-15";
-
+  const effectivePlatform = normalizePlatformKey(
+    props.platform ?? searchParams.get("platform") ?? "AR15"
+  );
+  
   const partRole = props.partRole;
 
   const [viewMode, setViewMode] = useState<ViewMode>("list");
@@ -149,7 +151,7 @@ export default function PartsBrowseClient(props: {
         setError(null);
 
         const search = new URLSearchParams();
-        search.set("platform", effectivePlatform);
+        search.set("platform", normalizePlatformKey(effectivePlatform));
         search.append("partRole", partRole);
 
         // server paging (0-based)
@@ -320,7 +322,7 @@ export default function PartsBrowseClient(props: {
     }
 
     const qp = new URLSearchParams();
-    qp.set("platform", effectivePlatform);
+    qp.set("platform", normalizePlatformKey(effectivePlatform));
     qp.set("select", `${categoryId}:${p.id}`);
 
     router.push(`/builder?${qp.toString()}`);
@@ -344,14 +346,14 @@ export default function PartsBrowseClient(props: {
               {headingSubtitle}
             </p>
 
-            {!isBuilderMode && (
+            {/* {!isBuilderMode && (
               <div className="mt-4 flex flex-wrap items-center gap-3">
                 <PlatformSwitcher
                   currentPlatform={effectivePlatform}
                   partRole={partRole}
                   preserveQuery
                   mode="browse"
-                />
+                /> */}
 
                 <Link
                   href={`/builder?platform=${encodeURIComponent(
@@ -361,8 +363,8 @@ export default function PartsBrowseClient(props: {
                 >
                   Start New Build →
                 </Link>
-              </div>
-            )}
+              {/* </div>
+            )} */}
           </div>
 
           {isBuilderMode && (