feat(hass): use LLM as voice assistant

devices/homie/modules/home-assistant.nix

@@ -1,4 +1,5 @@
 {
+  pkgs,
   self,
   wakewords-src,
   ...
@@ -13,12 +14,17 @@
         "esphome"
         "holiday"
         "met"
+        "ollama"
         "spotify"
         "upnp"
         "wyoming"
         "yamaha_musiccast"
       ];
 
+      customComponents = builtins.attrValues {
+        inherit (self.legacyPackages.${pkgs.system}.hass-addons) home-llm;
+      };
+
       config = {
         http = {
           server_host = "0.0.0.0";

devices/nos/default.nix

@@ -14,6 +14,7 @@ in {
     ./modules/docker
     ./modules/jellyfin
     ./modules/mergerfs.nix
+    ./modules/ollama.nix
     ./modules/qbittorrent
     ./modules/snapraid.nix
     ./modules/subtitles

devices/nos/modules/ollama.nix

@@ -0,0 +1,11 @@
+{...}: {
+  services.ollama = {
+    enable = true;
+    acceleration = "cuda";
+
+    host = "100.64.0.4";
+    port = 11434;
+
+    loadModels = ["fixt/home-3b-v3"];
+  };
+}

inputs.nix

@@ -177,6 +177,10 @@ let
 
   srcs = [
     # Home-assistant
+    {
+      owner = "acon96";
+      repo = "home-llm";
+    }
     {
       name = "wakewords-src";
       owner = "fwartner";

legacyPackages/default.nix

@@ -11,6 +11,7 @@
     (pkgs.callPackage file ({inherit mkVersion;} // inputs));
 in {
   dracula = mkScope ./dracula;
+  hass-addons = mkScope ./hass-addons;
   firefoxAddons = mkScope ./firefox-addons;
   mpvScripts = mkScope ./mpv-scripts;
 }

legacyPackages/hass-addons/default.nix

@@ -0,0 +1,7 @@
+{pkgs, ...} @ inputs:
+pkgs.lib.makeScope pkgs.newScope (hass: let
+  buildHassAddon = file:
+    hass.callPackage file (inputs // {});
+in {
+  home-llm = buildHassAddon ./home-llm.nix;
+})

legacyPackages/hass-addons/home-llm.nix

@@ -0,0 +1,27 @@
+{
+  buildHomeAssistantComponent,
+  home-llm-src,
+  python3Packages,
+  ...
+}: let
+  manifest = builtins.fromJSON (builtins.readFile "${home-llm-src}/custom_components/llama_conversation/manifest.json");
+in
+  buildHomeAssistantComponent {
+    owner = "acon96";
+
+    inherit (manifest) domain version;
+
+    src = home-llm-src;
+
+    postPatch = ''
+      substituteInPlace ./custom_components/llama_conversation/manifest.json \
+          --replace-warn "huggingface-hub==0.23.0" "huggingface-hub>=0.23.0" \
+          --replace-warn "webcolors<=1.13" "webcolors>=1.13"
+    '';
+
+    propagatedBuildInputs = with python3Packages; [
+      huggingface-hub
+      requests
+      webcolors
+    ];
+  }