fix(ui): use viem function names for overloaded getters

Author: snissn

packages/templates/next-export-ui/src/lib/app.ts

@@ -15,9 +15,8 @@ export function fnListIds(collectionName: string): string {
 }
 
 export function fnGet(collectionName: string): string {
-  // The generated contract overloads getC(uint256,bool) and getC(uint256).
-  // Use the full signature to disambiguate for viem encoding/decoding.
-  return `get${collectionName}(uint256)`;
+  // viem expects the function name (not full signature) and resolves overloads from args.
+  return `get${collectionName}`;
 }
 
 export function fnCreate(collectionName: string): string {

packages/templates/next-export-ui/test-scaffold/tests/ui/smoke.mjs

@@ -26,6 +26,11 @@ async function assertRoute200(baseUrl, route) {
   const u = `${baseUrl}${route}`;
   const out = await fetchOrThrow(u);
   assert.equal(out.status, 200, `Expected ${u} to return 200, got ${out.status}`);
+  assert.equal(
+    out.text.includes('not found on ABI'),
+    false,
+    `Route ${u} rendered an ABI lookup error. Check generated UI function names vs ABI overload handling.`
+  );
 }
 
 async function runLiveChecks(root, baseUrl, ths) {