docs: README badges + docs-server conformance

README.md

@@ -4,6 +4,7 @@
 Kubernetes cluster lifecycle, service operations, secrets, identity management,
 kanban project management, VPN access, and WFE workflow control.
 
+[![Matrix](https://img.shields.io/badge/chat-%23hello%3Asunbeam.pt-0dbd8b?logo=matrix)](https://matrix.to/#/#hello:sunbeam.pt)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE.md)
 [![Rust](https://img.shields.io/badge/rust-2024%20edition-orange.svg)](https://www.rust-lang.org/)
 

docs/release.md

@@ -1,3 +1,9 @@
+---
+title: "Release train — Sunbeam Compute Platform CLI"
+description: "How a `sunbeam` release goes from merged code to installed binary."
+updated_at: "2026-07-28"
+---
+
 # Release train — Sunbeam Compute Platform CLI
 
 How a `sunbeam` release goes from merged code to installed binary.

docs/service-discovery-labels.md

@@ -1,3 +1,9 @@
+---
+title: "Sunbeam Service Discovery Labels"
+description: "Migration guide: replacing hardcoded service definitions in the SDK service registry with Kubernetes label-based discovery."
+updated_at: "2026-07-28"
+---
+
 # Sunbeam Service Discovery Labels
 
 Migration guide: replacing hardcoded service definitions in `sunbeam-sdk/src/registry/services.rs` with Kubernetes label-based discovery.

docs/sunbeam-up.md

@@ -1,3 +1,9 @@
+---
+title: "`sunbeam up` — Complete Cluster Bring-Up"
+description: "One command to go from zero to a working local Kubernetes development stack."
+updated_at: "2026-07-28"
+---
+
 # `sunbeam up` — Complete Cluster Bring-Up
 
 > **One command to go from zero to a working local Kubernetes development stack.**