fix(ai,agent,coding-agent): share UUIDv7 and use for Codex (#6834)

packages/ai/src/index.ts

@@ -42,4 +42,5 @@ export * from "./utils/json-parse.ts";
 export * from "./utils/overflow.ts";
 export * from "./utils/retry.ts";
 export * from "./utils/typebox-helpers.ts";
+export { uuidv7 } from "./utils/uuid.ts";
 export * from "./utils/validation.ts";