Fix proxy endpoints and demo data mapping for live cross-service data

- rVote proxy: use space-scoped /api/s/{slug}/api/proposals instead of top-level
- rNotes proxy: fetch all notebooks and filter by slug server-side
- rCart demo: map carts array directly (each cart = one gear item)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/app/api/proxy/rnotes/route.ts

@@ -12,27 +12,34 @@ export async function GET(req: NextRequest) {
     return NextResponse.json({ error: 'Missing endpoint param' }, { status: 400 });
   }
 
-  let targetUrl: string;
-
-  if (endpoint === 'notebook' && slug) {
-    // Get notebook by slug — use search with slug filter
-    targetUrl = `${RNOTES_BASE}/api/notebooks?slug=${encodeURIComponent(slug)}`;
-  } else if (endpoint === 'notes' && notebookId) {
-    targetUrl = `${RNOTES_BASE}/api/notebooks/${encodeURIComponent(notebookId)}/notes`;
-  } else {
-    return NextResponse.json({ error: 'Invalid endpoint or missing params' }, { status: 400 });
-  }
-
   try {
-    const res = await fetch(targetUrl, { next: { revalidate: 30 } });
-    if (!res.ok) {
-      return NextResponse.json(
-        { error: `Upstream error: ${res.status}` },
-        { status: res.status }
+    if (endpoint === 'notebook' && slug) {
+      // Fetch all notebooks and filter by slug (rNotes API doesn't support slug filter)
+      const res = await fetch(`${RNOTES_BASE}/api/notebooks`, { next: { revalidate: 30 } });
+      if (!res.ok) {
+        return NextResponse.json({ error: `Upstream error: ${res.status}` }, { status: res.status });
+      }
+      const notebooks = await res.json();
+      const notebook = Array.isArray(notebooks)
+        ? notebooks.find((nb: { slug: string }) => nb.slug === slug)
+        : null;
+      if (!notebook) {
+        return NextResponse.json({ error: 'Notebook not found' }, { status: 404 });
+      }
+      return NextResponse.json(notebook);
+    } else if (endpoint === 'notes' && notebookId) {
+      const res = await fetch(
+        `${RNOTES_BASE}/api/notebooks/${encodeURIComponent(notebookId)}/notes`,
+        { next: { revalidate: 30 } }
       );
+      if (!res.ok) {
+        return NextResponse.json({ error: `Upstream error: ${res.status}` }, { status: res.status });
+      }
+      const data = await res.json();
+      return NextResponse.json(data);
+    } else {
+      return NextResponse.json({ error: 'Invalid endpoint or missing params' }, { status: 400 });
     }
-    const data = await res.json();
-    return NextResponse.json(data);
   } catch (e) {
     return NextResponse.json(
       { error: e instanceof Error ? e.message : 'Fetch failed' },

src/app/api/proxy/rvote/route.ts

@@ -17,7 +17,7 @@ export async function GET(req: NextRequest) {
     targetUrl = `${RVOTE_BASE}/api/spaces/${encodeURIComponent(slug)}`;
   } else if (endpoint === 'proposals') {
     const status = searchParams.get('status') || 'RANKING';
-    targetUrl = `${RVOTE_BASE}/api/proposals?spaceSlug=${encodeURIComponent(slug)}&status=${status}&limit=10`;
+    targetUrl = `${RVOTE_BASE}/api/s/${encodeURIComponent(slug)}/api/proposals?status=${status}&limit=10`;
   } else {
     return NextResponse.json({ error: 'Invalid endpoint' }, { status: 400 });
   }

src/app/demo/demo-content.tsx

@@ -676,18 +676,19 @@ export default function DemoContent() {
       })
       .then((data) => {
         if (Array.isArray(data) && data.length > 0) {
-          const cart = data[0]
-          if (cart.items?.length > 0) {
-            setCartData(
-              cart.items.map((item: Record<string, unknown>) => ({
-                item: item.name as string,
-                target: (item.targetAmount as number) || 100,
-                funded: (item.fundedAmount as number) || 0,
-                status: ((item.fundedAmount as number) || 0) >= ((item.targetAmount as number) || 100) ? 'Purchased' : 'Funding',
-              }))
-            )
-            setLiveFlags((f) => ({ ...f, cart: true }))
-          }
+          setCartData(
+            data.map((cart: Record<string, unknown>) => {
+              const target = Number(cart.targetAmount) || 100
+              const funded = Number(cart.fundedAmount) || 0
+              return {
+                item: cart.name as string,
+                target,
+                funded,
+                status: (funded >= target ? 'Purchased' : 'Funding') as 'Purchased' | 'Funding',
+              }
+            })
+          )
+          setLiveFlags((f) => ({ ...f, cart: true }))
         }
       })
       .catch(() => {