feat: add safe project upgrades and production performance fixes

packages/cli/src/index.ts

@@ -13,6 +13,7 @@ import { join, resolve } from "node:path";
 import { resolveProfile, loadEnv } from "@wrnexus/styles";
 import { runDev } from "./dev.ts";
 import { createApp } from "./create.ts";
+import { currentCliVersion, notifyIfUpdateAvailable } from "./update-notifier.ts";
 
 /**
  * Resolve the active profile from `--profile=<name>` (or WRNEXUS_PROFILE / mode),
@@ -51,7 +52,7 @@ Usage:
   wrnexus native list                   List cross-platform native capabilities
   wrnexus native add <capability...>    Install capability packages for the configured mobile mode
   wrnexus eject <name...>               Copy a Wire UI component into app/components
-  wrnexus update [dir] [--latest]       Upgrade @wrnexus/* deps + apply config/file migrations
+  wrnexus update [dir] [--latest]       Upgrade deps, migrate project files, and verify the app
   wrnexus db <cmd>                      Migrations: migrate | rollback | status | seed | generate | new
   wrnexus test [app-dir] [--watch]      Run the app's tests (bun test, 'test' profile)
   wrnexus profiles [app-dir]            List config profiles (dev/prod/uat/…) and their env files
@@ -59,12 +60,16 @@ Usage:
 
 Profiles: pass --profile=<name> to dev/build/db (or set WRNEXUS_PROFILE) to load
 that profile's .env cascade and config overrides. e.g. wrnexus dev --profile=uat
+
+Update options: --dry-run previews changes; --no-verify skips post-update check/build.
 `);
 }
 
 async function main(): Promise<void> {
   const [command, ...rest] = process.argv.slice(2);
 
+  notifyIfUpdateAvailable(currentCliVersion(), command);
+
   switch (command) {
     case "dev": {
       const appRoot = rest.find((a) => !a.startsWith("--")) ?? ".";