feat: add API proxy routes for feedback and roadmap votes

app/api/roadmap/[sanityId]/vote/route.ts

@@ -0,0 +1,34 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { cookies } from 'next/headers'
+
+const API_BASE_URL = process.env.API_BASE_URL || process.env.NEXT_PUBLIC_API_BASE_URL
+
+export async function POST(
+  req: NextRequest,
+  { params }: { params: Promise<{ sanityId: string }> }
+) {
+  const cookieStore = await cookies()
+  const token = cookieStore.get('session_token')?.value
+  if (!token) {
+    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+  }
+
+  const { sanityId } = await params
+
+  try {
+    const res = await fetch(
+      `${API_BASE_URL}/api/v1/roadmap/${encodeURIComponent(sanityId)}/vote`,
+      {
+        method: 'POST',
+        headers: { Authorization: `Bearer ${token}`, Accept: 'application/json' },
+        cache: 'no-store',
+      }
+    )
+    if (!res.ok) {
+      return NextResponse.json({ error: await res.text() }, { status: res.status })
+    }
+    return NextResponse.json(await res.json())
+  } catch (e) {
+    return NextResponse.json({ error: 'Request failed' }, { status: 500 })
+  }
+}