docs: rank the destructive generator as item 0

It was written up in 4.7 but never made the work order, which is exactly how it
stayed dangerous in the first place.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

examples/inter-app-api-showcase/apps/admin/app/api/ai.ts

@@ -0,0 +1,17 @@
+// POST /api/ai  { "prompt": "..." }  → Claude's reply.
+// Set ANTHROPIC_API_KEY in your environment (e.g. a .env file) to enable this.
+import { createAI } from "@wrnexus/ai";
+import type { Context } from "@wrnexus/core";
+
+const ai = createAI(); // reads ANTHROPIC_API_KEY; defaults to claude-opus-4-8
+
+export const POST = async (ctx: Context) => {
+  if (!process.env.ANTHROPIC_API_KEY) {
+    return Response.json({ error: "Set ANTHROPIC_API_KEY to use AI." }, { status: 501 });
+  }
+  const { prompt } = await ctx.req.json().catch(() => ({}));
+  if (!prompt) return Response.json({ error: "Provide a 'prompt'." }, { status: 400 });
+
+  // Stream the reply back as plain text. Use `ai.generate(prompt)` for a one-shot string.
+  return ai.streamResponse(prompt);
+};

examples/inter-app-api-showcase/apps/admin/app/api/hello.ts

@@ -0,0 +1,3 @@
+export const GET = async () => {
+  return Response.json({ message: "Hello API" });
+};