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/web/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/web/app/api/hello.ts

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

examples/inter-app-api-showcase/apps/web/app/api/product.ts

@@ -0,0 +1,26 @@
+import type { Context } from "../../../../../../packages/core/src/index.ts";
+import {
+  httpTransport,
+  retryingTransport,
+  ServiceError,
+  serviceClient,
+} from "../../../../../../packages/rpc/src/index.ts";
+import { catalogService } from "../../../../packages/shared/src/index.ts";
+
+/** GET /api/product?sku=starter — reads product data from the admin app. */
+export async function GET(ctx: Context): Promise<Response> {
+  const sku = new URL(ctx.req.url).searchParams.get("sku")?.trim() || "starter";
+  const catalog = serviceClient(catalogService, {
+    app: "admin",
+    as: ctx,
+    transport: retryingTransport(httpTransport()),
+  });
+  try {
+    return Response.json({ product: await catalog.getProduct({ sku }) });
+  } catch (error) {
+    if (error instanceof ServiceError && error.code === "RPC_DENIED") {
+      return Response.json({ error: "Forbidden" }, { status: 403 });
+    }
+    return Response.json({ error: "Catalog temporarily unavailable" }, { status: 502 });
+  }
+}