docs(gateway,platforms,cli): add Related sections to entry and reference pages

docs/platforms/android.md

@@ -240,3 +240,9 @@ Example configuration:
 <Note>
 Notification forwarding requires the Android Notification Listener permission. The app prompts for this during setup.
 </Note>
+
+## Related
+
+- [iOS app](/platforms/ios)
+- [Nodes](/nodes)
+- [Android node troubleshooting](/nodes/troubleshooting)

docs/platforms/index.md

@@ -52,3 +52,9 @@ The service target depends on OS:
 - macOS: LaunchAgent (`ai.openclaw.gateway` or `ai.openclaw.<profile>`; legacy `com.openclaw.*`)
 - Linux/WSL2: systemd user service (`openclaw-gateway[-<profile>].service`)
 - Native Windows: Scheduled Task (`OpenClaw Gateway` or `OpenClaw Gateway (<profile>)`), with a per-user Startup-folder login item fallback if task creation is denied
+
+## Related
+
+- [Install overview](/install)
+- [macOS app](/platforms/macos)
+- [iOS app](/platforms/ios)

docs/platforms/linux.md

@@ -133,3 +133,9 @@ its normal score, usually `0`.
 This does not replace normal memory tuning. If a VPS or container repeatedly
 kills children, increase the memory limit, reduce concurrency, or add stronger
 resource controls such as systemd `MemoryMax=` or container-level memory limits.
+
+## Related
+
+- [Install overview](/install)
+- [Linux server](/vps)
+- [Raspberry Pi](/platforms/raspberry-pi)

docs/platforms/windows.md

@@ -247,3 +247,8 @@ Full guide: [Getting Started](/start/getting-started)
 
 We do not have a Windows companion app yet. Contributions are welcome if you want
 contributions to make it happen.
+
+## Related
+
+- [Install overview](/install)
+- [Platforms](/platforms)