feat: FRIDAY Voice stack on the GPU machine; VoiceCoach history

FRIDAY Voice (speaches GPU STT/TTS + hermes agent + push-to-talk console) on
.150 Docker Desktop, fronted by coach.hobbs.farm. Also captures the VoiceCoach
compose/agent trees and deploy notes it replaced, which had never been committed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

stacks/traefik/dynamic/livekit.yml

@@ -0,0 +1,29 @@
+http:
+  routers:
+    livekit:
+      rule: "Host(`voice.hobbs.farm`)"
+      entryPoints:
+        - websecure
+      service: livekit
+      tls:
+        certResolver: letsencrypt
+    livekit-http:
+      rule: "Host(`voice.hobbs.farm`)"
+      entryPoints:
+        - web
+      middlewares:
+        - livekit-https-redirect
+      service: livekit
+
+  middlewares:
+    livekit-https-redirect:
+      redirectScheme:
+        scheme: https
+        permanent: true
+
+  services:
+    livekit:
+      loadBalancer:
+        servers:
+          - url: "http://192.168.86.150:7880"
+        passHostHeader: true