Fix thrown un-awaited redirect calls flagged by new lint rule

Change `throw redirectWithErrorMessage(...)` to
`throw await redirectWithErrorMessage(...)` at the 9 sites flagged by the
new trigger/no-thrown-unawaited-redirect oxlint rule so the redirect
Response is thrown instead of a pending Promise.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EZ8nrziWFcXhqGewJgo4ei

Author: claude

apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.branches/route.tsx

@@ -134,7 +134,7 @@ export async function action({ request, params }: ActionFunctionArgs) {
     );
 
     if (!project) {
-      throw redirectWithErrorMessage(redirectPath, request, "Project not found");
+      throw await redirectWithErrorMessage(redirectPath, request, "Project not found");
     }
 
     const currentPlan = await getCurrentPlan(project.organizationId);

apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.concurrency/route.tsx

@@ -155,7 +155,7 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
   );
 
   if (!project) {
-    throw redirectWithErrorMessage(redirectPath, request, "Project not found");
+    throw await redirectWithErrorMessage(redirectPath, request, "Project not found");
   }
 
   const formData = await request.formData();

apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.regions/route.tsx

@@ -103,14 +103,14 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
   );
 
   if (!project) {
-    throw redirectWithErrorMessage(redirectPath, request, "Project not found");
+    throw await redirectWithErrorMessage(redirectPath, request, "Project not found");
   }
 
   const formData = await request.formData();
   const parsedFormData = FormSchema.safeParse(Object.fromEntries(formData));
 
   if (!parsedFormData.success) {
-    throw redirectWithErrorMessage(redirectPath, request, "No region specified");
+    throw await redirectWithErrorMessage(redirectPath, request, "No region specified");
   }
 
   const service = new SetDefaultRegionService();

apps/webapp/app/routes/resources.orgs.$organizationSlug.select-plan.tsx

@@ -80,7 +80,7 @@ export const action = dashboardAction(
     });
 
     if (!organization) {
-      throw redirectWithErrorMessage(form.callerPath, request, "Organization not found");
+      throw await redirectWithErrorMessage(form.callerPath, request, "Organization not found");
     }
 
     let payload: SetPlanBody;
@@ -139,7 +139,7 @@ export const action = dashboardAction(
       }
       case "paid": {
         if (form.planCode === undefined) {
-          throw redirectWithErrorMessage(form.callerPath, request, "Not a valid plan");
+          throw await redirectWithErrorMessage(form.callerPath, request, "Not a valid plan");
         }
         payload = {
           type: "paid" as const,

apps/webapp/app/routes/vercel.onboarding.tsx

@@ -69,7 +69,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
 
   if (!params.success) {
     logger.error("Invalid params for Vercel onboarding", { error: params.error });
-    throw redirectWithErrorMessage(
+    throw await redirectWithErrorMessage(
       "/",
       request,
       "Invalid installation parameters. Please try again from Vercel."
@@ -89,7 +89,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
 
   if (!params.data.code) {
     logger.error("Missing code parameter for Vercel onboarding");
-    throw redirectWithErrorMessage(
+    throw await redirectWithErrorMessage(
       "/",
       request,
       "Invalid installation parameters. Please try again from Vercel."
@@ -151,7 +151,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
         organizationId: params.data.organizationId,
         userId,
       });
-      throw redirectWithErrorMessage("/", request, "Organization not found. Please try again.");
+      throw await redirectWithErrorMessage("/", request, "Organization not found. Please try again.");
     }
 
     return typedjson({