lamassu: fix misleading adminPort option

- Clarify adminPort is only used in dev mode (port 8070)
- Production mode always uses port 443 (hardcoded upstream)
- Remove unused ADMIN_SERVER_PORT env var (not read by upstream)
- Fix status script to show correct port and use https

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

modules/lamassu-lnbits.nix

@@ -43,7 +43,11 @@ in
     adminPort = mkOption {
       type = types.port;
       default = 8070;
-      description = "Port for the lamassu admin interface";
+      description = ''
+        Port for the lamassu admin interface in dev mode.
+        Only used when devMode = true. In production mode, the admin
+        interface always runs on port 443 (hardcoded in upstream).
+      '';
     };
 
     dataDir = mkOption {
@@ -426,7 +430,6 @@ in
 
       environment = {
         NODE_ENV = "production";
-        ADMIN_SERVER_PORT = toString cfg.adminPort;
         LOG_LEVEL = cfg.logLevel;
         HOSTNAME = cfg.hostname;
         CA_PATH = cfg.certPath;
@@ -509,8 +512,8 @@ in
         sudo -u ${cfg.database.user} ${pkgs.postgresql}/bin/psql -d ${cfg.database.name} -c "SELECT version();"
         echo ""
         echo "=== Network Access ==="
-        echo "Server: http://localhost:${toString cfg.serverPort}"
-        echo "Admin: http://localhost:${toString cfg.adminPort}"
+        echo "Server API: https://localhost:${toString cfg.serverPort}"
+        echo "Admin UI: https://localhost:${if cfg.devMode then toString cfg.adminPort else "443"}"
       '')
     ];
   };