feat: add managed skills gating

skills/sonoscli/SKILL.md

@@ -0,0 +1,17 @@
+---
+name: sonoscli
+description: Control Sonos speakers (discover/status/play/volume/group).
+metadata: {"clawdis":{"requires":{"bins":["sonos"]}}}
+---
+
+# Sonos CLI
+
+Use `sonos` to control Sonos speakers.
+
+- Discover: `sonos discover`
+- Status: `sonos status`
+- Playback: `sonos play|pause|stop`
+- Volume: `sonos volume set <0-100>`
+- Group: `sonos group <leader> <member>`
+
+If SSDP fails, specify `--ip <speaker-ip>`.