Initial commit: avc-phone-ai codebase + CLAUDE.md

deploy/nginx-ws-upgrade.conf

@@ -0,0 +1,8 @@
+# Maps the Connection header for WebSocket proxying. Goes in /etc/nginx/conf.d/ so it
+# lives in the http{} context (a `map` can't go inside a server/location block).
+# When a request carries `Upgrade: websocket`, send `Connection: upgrade`; otherwise
+# `Connection: close`. Used by the voip.activeblue.net vhost for the /ws media stream.
+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      close;
+}