feat(frontend): migrate API calls to /api/v1 (Stage 1 PR5)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/src/app/api/memory/[...path]/route.ts

@@ -30,26 +30,38 @@ export async function GET(
   request: NextRequest,
   { params }: { params: Promise<{ path: string[] }> },
 ) {
-  return proxyRequest(request, `/api/memory/${(await params).path.join("/")}`);
+  return proxyRequest(
+    request,
+    `/api/v1/memory/${(await params).path.join("/")}`,
+  );
 }
 
 export async function POST(
   request: NextRequest,
   { params }: { params: Promise<{ path: string[] }> },
 ) {
-  return proxyRequest(request, `/api/memory/${(await params).path.join("/")}`);
+  return proxyRequest(
+    request,
+    `/api/v1/memory/${(await params).path.join("/")}`,
+  );
 }
 
 export async function DELETE(
   request: NextRequest,
   { params }: { params: Promise<{ path: string[] }> },
 ) {
-  return proxyRequest(request, `/api/memory/${(await params).path.join("/")}`);
+  return proxyRequest(
+    request,
+    `/api/v1/memory/${(await params).path.join("/")}`,
+  );
 }
 
 export async function PATCH(
   request: NextRequest,
   { params }: { params: Promise<{ path: string[] }> },
 ) {
-  return proxyRequest(request, `/api/memory/${(await params).path.join("/")}`);
+  return proxyRequest(
+    request,
+    `/api/v1/memory/${(await params).path.join("/")}`,
+  );
 }

frontend/src/app/api/memory/route.ts

@@ -27,9 +27,9 @@ async function proxyRequest(request: NextRequest, pathname: string) {
 }
 
 export async function GET(request: NextRequest) {
-  return proxyRequest(request, "/api/memory");
+  return proxyRequest(request, "/api/v1/memory");
 }
 
 export async function DELETE(request: NextRequest) {
-  return proxyRequest(request, "/api/memory");
+  return proxyRequest(request, "/api/v1/memory");
 }