fix(app): emit.maxlistener issue

BREAKING CHANGE: moved teh middleware to call the api hits to the main app and removed from
everywhere else

closes #18

backend/utils/generateScannerPin.utils.ts

@@ -10,7 +10,7 @@ export async function generateUniquePin() {
 		const pin = generateSixDigitPin();
 
 		const existing = await db.query.scanUser.findFirst({
-			where: (u, { eq }) => eq(u.pinHash, pin), // ⚠️ we'll fix this below
+			where: (u, { eq }) => eq(u.pinHash, pin),
 		});
 
 		if (!existing)
@@ -37,3 +37,13 @@ export async function generateUniquePin() {
 		room: "",
 	});
 }
+
+// export const pinExists = async (pin: string | number) => {
+// 	const existing = await db.query.scanUser.findFirst({
+// 		where: (u, { eq }) => eq(u.pinHash, pin),
+// 	});
+
+// 	if (!existing) return true;
+
+// 	return false;
+// };