Initial Beach: homelab control panel

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/beach/host_other.go

@@ -0,0 +1,15 @@
+//go:build !linux
+
+package beach
+
+import (
+	"os"
+	"runtime"
+)
+
+// CollectHost has no portable source off Linux; Beach is meant to run on the homelab box.
+func CollectHost() Host {
+	h := Host{CPUs: runtime.NumCPU(), Disks: []Filesystem{}}
+	h.Hostname, _ = os.Hostname()
+	return h
+}