Standardize remaining Node pins on Node 24

Refs: #40
- Bump sandbox Dockerfile to Node 24.18.0-1nodesource1 + setup_24.x
- Move Playwright E2E job to node-version: "24" (quoted)
- Update INSTALLATION.md to recommend Node 24

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
       - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
       - uses: actions/setup-node@v6
         with:
-          node-version: 22
+          node-version: "24"
       - uses: oven-sh/setup-bun@v2
       - name: Install Python deps (langgraph dev runtime)
         run: uv sync --locked

Dockerfile

@@ -1,7 +1,7 @@
 FROM python:3.14.6-slim-trixie
 
 ARG DOCKER_CLI_VERSION=5:29.1.5-1~debian.13~trixie
-ARG NODEJS_VERSION=22.22.0-1nodesource1
+ARG NODEJS_VERSION=24.18.0-1nodesource1
 ARG UV_VERSION=0.9.26
 ARG YARN_VERSION=4.12.0
 ARG GH_VERSION=2.83.1
@@ -67,7 +67,7 @@ RUN set -eux; \
 
 ENV PATH=/root/.local/bin:/usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
-RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
+RUN curl -fsSL https://deb.nodesource.com/setup_24.x | bash - \
     && apt-get install -y "nodejs=${NODEJS_VERSION}" \
     && rm -rf /var/lib/apt/lists/* \
     && corepack enable \

INSTALLATION.md

@@ -16,7 +16,7 @@ Open SWE has two runnable pieces:
 - [uv](https://docs.astral.sh/uv/) package manager
 - [LangGraph CLI](https://docs.langchain.com/langsmith/cli)
 - [ngrok](https://ngrok.com/) (for local development — exposes webhook endpoints to the internet)
-- [pnpm](https://pnpm.io/) (only if you want to run the dashboard UI locally — see step 8). Node 20+ also works, but `ui/pnpm-lock.yaml` is the canonical lockfile.
+- [pnpm](https://pnpm.io/) (only if you want to run the dashboard UI locally — see step 8). Node 24 is the recommended standard; older Node may work but is unsupported. `ui/pnpm-lock.yaml` is the canonical lockfile.
 
 ## 1. Clone and install