feat(mibook): add Hermes Agent profile module

modules/environments/default.nix

@@ -20,5 +20,6 @@
     ./jellyfin
     ./jellyseerr
     ./immich
+    ./hermes-agent
   ];
 }

modules/environments/hermes-agent/default.nix

@@ -0,0 +1,23 @@
+# Hermes Agent — Telegram + Email messaging gateway (Claude subscription auth)
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.my.profiles.hermes-agent;
+in
+{
+  options.my.profiles.hermes-agent.enable =
+    lib.mkEnableOption "Hermes Agent (Telegram + Email gateway)";
+
+  config = lib.mkIf cfg.enable {
+    services.hermes-agent = {
+      enable = true;
+      settings.model.default = "anthropic/claude-sonnet-4-5";
+      environmentFiles = [ config.sops.secrets."hermes-env".path ];
+      addToSystemPackages = true;
+    };
+  };
+}