feat: connect Shane voice sessions to memory

.env.example

@@ -15,8 +15,8 @@ LIVEKIT_URL=http://localhost:7880
 LIVEKIT_API_KEY=devkey
 LIVEKIT_API_SECRET=devsecret
 
-# Web UI port
-WEB_PORT=8090
+# Web UI port (9178 avoids the existing Unraid service on 8090)
+WEB_PORT=9178
 
 # ── Web access (MCP tools: web_search + web_scrape) ────────────────────────
 # Backed by the self-hosted Firecrawl stack on xNAS.
@@ -25,6 +25,9 @@ FIRECRAWL_BASE=http://192.168.86.2:3002
 # Only needed if your Firecrawl instance requires an API key
 # FIRECRAWL_API_KEY=
 
+# Per-user memory profiles and Bearer tokens live in config/users.json.
+VOICE_DEFAULT_USER=shane
+
 # Extra MCP servers (optional). JSON list of {url, transport} objects.
 # transport: "sse" | "streamable_http" | omit for auto-detect
 # EXTRA_MCP_SERVERS=[{"url":"http://192.168.86.2:3001/mcp","transport":"streamable_http"}]