Log warnings on verification token issues

Author: richiemcilroy

packages/database/auth/drizzle-adapter.ts

@@ -337,10 +337,22 @@ export function DrizzleAdapter(db: MySql2Database): Adapter {
 				.where(eq(verificationTokens.token, token))
 				.limit(1);
 			const row = rows[0];
-			if (!row) return null;
+			if (!row) {
+				console.warn(
+					"[useVerificationToken] No token found for hash",
+					{ identifier, tokenPrefix: token.slice(0, 8) },
+				);
+				return null;
+			}
 			const normalizedIdentifier = identifier?.toLowerCase() ?? "";
 			const storedIdentifier = row.identifier?.toLowerCase() ?? "";
-			if (normalizedIdentifier !== storedIdentifier) return null;
+			if (normalizedIdentifier !== storedIdentifier) {
+				console.warn(
+					"[useVerificationToken] Identifier mismatch",
+					{ expected: normalizedIdentifier, stored: storedIdentifier },
+				);
+				return null;
+			}
 			await db
 				.delete(verificationTokens)
 				.where(