error:
       … while evaluating a branch condition
         at «string»:23:10:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |          ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … in the left operand of the OR (||) operator
         at «string»:23:33:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |                                 ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … while evaluating definitions from `/nix/store/lrxvs4l9bqbgjfz7w9bkfg5zqq442jxc-source/modules/transposition.nix':

       … while evaluating definitions from `/nix/store/895lyy8gbfyrj4124dchmhz2v20q0wqk-source/flake.nix, via option perSystem':

       … while evaluating the option `system.build.toplevel':

       … while evaluating definitions from `/nix/store/v3q54nkmkyvlrqihq7gjqpmsgan83049-source/nixos/modules/system/activation/top-level.nix':

       … while evaluating the option `services.nginx.virtualHosts."assistant.val".locations."/".proxyPass':

       … while evaluating definitions from `/nix/store/895lyy8gbfyrj4124dchmhz2v20q0wqk-source/clanServices/home-assistant/default.nix, via option flake.clan._services.allServices."self-@rpqt/home-assistant".roles.default.perInstance, via option nixosModule':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: attribute 'server_port' missing
       at /var/lib/nixbot/worktrees/2-0b1037d396b5-f9eeb783/clanServices/home-assistant/default.nix:55:58:
           54|               locations."/" = {
           55|                 proxyPass = "http://127.0.0.1:${toString config.services.home-assistant.config.http.server_port}";
             |                                                          ^
           56|                 proxyWebsockets = true;