docs: fix remaining install issues — stale versions, Docker TOC, ARM note, frontmatter

docs/install/docker-vm-runtime.md

@@ -71,6 +71,10 @@ ENV NODE_ENV=production
 CMD ["node","dist/index.js"]
 ```
 
+<Note>
+The download URLs above are for x86_64 (amd64). For ARM-based VMs (e.g. Hetzner ARM, GCP Tau T2A), replace the download URLs with the appropriate ARM64 variants from each tool's release page.
+</Note>
+
 ## Build and launch
 
 ```bash

docs/install/docker.md

@@ -23,6 +23,12 @@ This guide covers:
 
 Sandboxing details: [Sandboxing](/gateway/sandboxing)
 
+## On this page
+
+- [Containerized Gateway](#containerized-gateway-docker-compose) — run the full OpenClaw Gateway in Docker
+- [Agent Sandbox](#agent-sandbox-host-gateway--docker-tools) — isolate agent tool execution in containers while the gateway runs on the host
+- [Troubleshooting](#troubleshooting)
+
 ## Requirements
 
 - Docker Desktop (or Docker Engine) + Docker Compose v2

docs/install/installer.md

@@ -180,7 +180,7 @@ Designed for environments where you want everything under a local prefix (defaul
 
 <Steps>
   <Step title="Install local Node runtime">
-    Downloads a pinned supported Node tarball (currently default `22.22.0`) to `<prefix>/tools/node-v<version>` and verifies SHA-256.
+    Downloads a pinned supported Node LTS tarball (the version is embedded in the script and updated independently) to `<prefix>/tools/node-v<version>` and verifies SHA-256.
   </Step>
   <Step title="Ensure Git">
     If Git is missing, attempts install via apt/dnf/yum on Linux or Homebrew on macOS.

docs/install/kubernetes.md

@@ -138,7 +138,7 @@ OPENCLAW_NAMESPACE=my-namespace ./scripts/k8s/deploy.sh
 Edit the `image` field in `scripts/k8s/manifests/deployment.yaml`:
 
 ```yaml
-image: ghcr.io/openclaw/openclaw:2026.3.1
+image: ghcr.io/openclaw/openclaw:latest # or pin to a specific version from https://github.com/openclaw/openclaw/releases
 ```
 
 ### Expose beyond port-forward

docs/install/northflank.mdx

@@ -1,4 +1,8 @@
 ---
+summary: "Deploy OpenClaw on Northflank with one-click template"
+read_when:
+  - Deploying OpenClaw to Northflank
+  - You want a one-click cloud deploy with browser-based setup
 title: Deploy on Northflank
 ---
 

docs/install/railway.mdx

@@ -1,4 +1,8 @@
 ---
+summary: "Deploy OpenClaw on Railway with one-click template"
+read_when:
+  - Deploying OpenClaw to Railway
+  - You want a one-click cloud deploy with browser-based setup
 title: Deploy on Railway
 ---
 

docs/install/render.mdx

@@ -1,4 +1,8 @@
 ---
+summary: "Deploy OpenClaw on Render with Infrastructure-as-Code"
+read_when:
+  - Deploying OpenClaw to Render
+  - You want a declarative cloud deploy with Render Blueprints
 title: Deploy on Render
 ---
 

docs/vps.md

@@ -21,8 +21,9 @@ deployments work at a high level.
 - **GCP (Compute Engine)**: [GCP](/install/gcp)
 - **Azure (Linux VM)**: [Azure](/install/azure)
 - **exe.dev** (VM + HTTPS proxy): [exe.dev](/install/exe-dev)
-- **AWS (EC2/Lightsail/free tier)**: works well too. Video guide:
+- **AWS (EC2/Lightsail/free tier)**: works well too. Community video guide:
   [https://x.com/techfrenAJ/status/2014934471095812547](https://x.com/techfrenAJ/status/2014934471095812547)
+  (community resource, may become unavailable)
 
 ## How cloud setups work