feat: add API proxy routes for feedback and roadmap votes

app/api/feedback/route.ts

@@ -0,0 +1,33 @@
+import { NextRequest, NextResponse } from 'next/server'
+
+const API_BASE_URL = process.env.API_BASE_URL || process.env.NEXT_PUBLIC_API_BASE_URL
+
+export async function POST(req: NextRequest) {
+  try {
+    const body = await req.json()
+
+    const ip =
+      req.headers.get('x-forwarded-for')?.split(',')[0]?.trim() ??
+      req.headers.get('x-real-ip') ??
+      'unknown'
+    const userAgent = req.headers.get('user-agent') ?? 'unknown'
+
+    const res = await fetch(`${API_BASE_URL}/api/v1/feedback`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ ...body, ipAddress: ip, userAgent }),
+      cache: 'no-store',
+    })
+
+    if (!res.ok) {
+      const text = await res.text().catch(() => '')
+      console.error('[/api/feedback] Spring Boot error:', res.status, text)
+      return NextResponse.json({ error: 'Failed to submit' }, { status: res.status })
+    }
+
+    return NextResponse.json({ ok: true })
+  } catch (e) {
+    console.error('[/api/feedback] proxy error:', e)
+    return NextResponse.json({ error: 'Invalid request' }, { status: 400 })
+  }
+}