refactor: migrate legacy wire namespace to wrn

packages/ai/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ai",
-  "version": "0.8.8",
+  "version": "0.8.9",
   "private": true,
   "type": "module",
   "description": "Zero-dependency Claude (Anthropic) client for WrNexus apps.",

packages/ai/test/platform.test.ts

@@ -75,7 +75,7 @@ describe("AI platform", () => {
       { role: "user", content: "c" },
     ]);
     expect(await conversations.load("one")).toHaveLength(2);
-    expect(promptTemplate("Hello {{name}}")({ name: "Wire" })).toBe("Hello Wire");
+    expect(promptTemplate("Hello {{name}}")({ name: "WrNexus" })).toBe("Hello WrNexus");
     const provider = guardedProvider(
       { name: "test", generate: async () => ({ value: "ok", provider: "test" }) },
       [maxPromptLength(3)],