260505:1218 chore(node): upgrade to v24.15.0 LTS

- Update Docker base images: node:22-alpine → node:24-alpine
- Add engines.node >=24.0.0 to package.json files
- Create .nvmrc files with 24.15.0
- Update CI workflow to use node-version: 24.15.0
- Fix jest-e2e.json for uuid@13 ES Module compatibility

Validation:
- Backend unit tests: 340/340 passed
- Frontend unit tests: 137/137 passed
- Frontend build: successful (39 static pages)

frontend/.nvmrc

@@ -0,0 +1 @@
+24.15.0

frontend/Dockerfile

@@ -15,7 +15,7 @@
 # =========================
 # Stage 1: Install Dependencies
 # =========================
-FROM node:22-alpine AS deps
+FROM node:24-alpine AS deps
 
 RUN corepack enable && corepack prepare pnpm@10.32.1 --activate
 
@@ -31,7 +31,7 @@ RUN pnpm install --frozen-lockfile --ignore-scripts --filter lcbp3-frontend...
 # =========================
 # Stage 2: Build Application
 # =========================
-FROM node:22-alpine AS build
+FROM node:24-alpine AS build
 
 RUN corepack enable && corepack prepare pnpm@10.32.1 --activate
 
@@ -96,7 +96,7 @@ RUN pnpm --filter lcbp3-frontend deploy /deploy --prod --legacy
 # =========================
 # Stage 3: Production Runtime
 # =========================
-FROM node:22-alpine AS production
+FROM node:24-alpine AS production
 
 WORKDIR /app
 

frontend/package.json

@@ -2,6 +2,9 @@
   "name": "lcbp3-frontend",
   "version": "1.8.1",
   "packageManager": "pnpm@10.32.1+sha512.a706938f0e89ac1456b6563eab4edf1d1faf3368d1191fc5c59790e96dc918e4456ab2e67d613de1043d2e8c81f87303e6b40d4ffeca9df15ef1ad567348f2be",
+  "engines": {
+    "node": ">=24.0.0"
+  },
   "private": true,
   "scripts": {
     "dev": "next dev",