fix(consent): avoid banner flashing on reload

Initialize consent state from cookie synchronously so the banner only shows when no choice was made.

fix(api): fail-soft when DB schema missing

Return null/empty content for CMS endpoints when migrations are not applied instead of crashing with Prisma P2021/P2022.

fix(n8n): parse status response defensively

Handle empty/invalid JSON bodies from n8n to prevent activity feed from getting stuck.

Co-authored-by: dennis <dennis@konkol.net>

app/api/n8n/status/route.ts

@@ -54,7 +54,8 @@ export async function GET(request: NextRequest) {
       const res = await fetch(statusUrl, {
         method: "GET",
         headers: {
-          "Content-Type": "application/json",
+          // n8n sometimes responds with empty body; we'll parse defensively below.
+          Accept: "application/json",
           ...(process.env.N8N_SECRET_TOKEN && {
             Authorization: `Bearer ${process.env.N8N_SECRET_TOKEN}`,
           }),
@@ -71,7 +72,21 @@ export async function GET(request: NextRequest) {
         throw new Error(`n8n error: ${res.status} - ${errorText}`);
       }
 
-      const data = await res.json();
+      const raw = await res.text().catch(() => "");
+      if (!raw || !raw.trim()) {
+        throw new Error("Empty response body received from n8n");
+      }
+
+      let data: unknown;
+      try {
+        data = JSON.parse(raw);
+      } catch (parseError) {
+        // Sometimes upstream sends HTML or a partial response; include a snippet for debugging.
+        const snippet = raw.slice(0, 240);
+        throw new Error(
+          `Invalid JSON from n8n (${res.status}): ${snippet}${raw.length > 240 ? "…" : ""}`,
+        );
+      }
 
       // n8n gibt oft ein Array zurück: [{...}]. Wir wollen nur das Objekt.
       const statusData = Array.isArray(data) ? data[0] : data;