fix: add URL encoding and fetch timeout to community workflow API

src/app/api/community-workflows/[id]/route.ts

@@ -16,16 +16,25 @@ interface RouteParams {
  * community workflows in R2 storage.
  */
 export async function GET(request: Request, { params }: RouteParams) {
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), 30000); // 30 second timeout
+
   try {
     const { id } = await params;
 
-    const response = await fetch(`${COMMUNITY_WORKFLOWS_API_URL}/${id}`, {
-      headers: {
-        Accept: "application/json",
-      },
-      // Cache for 10 minutes (individual workflows change less frequently)
-      next: { revalidate: 600 },
-    });
+    const response = await fetch(
+      `${COMMUNITY_WORKFLOWS_API_URL}/${encodeURIComponent(id)}`,
+      {
+        headers: {
+          Accept: "application/json",
+        },
+        signal: controller.signal,
+        // Cache for 10 minutes (individual workflows change less frequently)
+        next: { revalidate: 600 },
+      }
+    );
+
+    clearTimeout(timeoutId);
 
     if (!response.ok) {
       if (response.status === 404) {
@@ -56,6 +65,19 @@ export async function GET(request: Request, { params }: RouteParams) {
 
     return NextResponse.json(data);
   } catch (error) {
+    clearTimeout(timeoutId);
+
+    if (error instanceof Error && error.name === "AbortError") {
+      console.error("Community workflow fetch timed out");
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Request timed out",
+        },
+        { status: 504 }
+      );
+    }
+
     console.error("Error loading community workflow:", error);
     return NextResponse.json(
       {