flake.lock: Update

Flake lock file updates:

• Updated input 'secrets':
    'git+ssh://git@git.vimium.com/jordan/nix-secrets.git?ref=refs/heads/master&rev=575a343aafbe2c9783e4ce5dc6677c1471e36d81' (2024-01-01)
  → 'git+ssh://git@git.vimium.com/jordan/nix-secrets.git?ref=refs/heads/master&rev=b11b903ed707826a756b7803633f4684a19e637d' (2024-01-06)

flake.lock

@@ -235,11 +235,11 @@
     "secrets": {
       "flake": false,
       "locked": {
-        "lastModified": 1704142752,
+        "lastModified": 1704547919,
-        "narHash": "sha256-MZMXHsx9no3cu66xHWfBdulHOdR3lb6vsrJ3sFpkifM=",
+        "narHash": "sha256-yc0l7p6bHjR6HD6N09U/G3igHUPDUnZyFliTw7XC3VA=",
         "ref": "refs/heads/master",
-        "rev": "575a343aafbe2c9783e4ce5dc6677c1471e36d81",
+        "rev": "b11b903ed707826a756b7803633f4684a19e637d",
-        "revCount": 10,
+        "revCount": 11,
         "type": "git",
         "url": "ssh://git@git.vimium.com/jordan/nix-secrets.git"
       },

hosts/pi/default.nix

@@ -88,6 +88,13 @@
     pulse.enable = true;
   };
 
+  age.secrets."files/services/home-assistant/secrets.yaml" = {
+    file = "${inputs.secrets}/files/services/home-assistant/secrets.yaml.age";
+    path = "${config.services.home-assistant.configDir}/secrets.yaml";
+    owner = "hass";
+    group = "hass";
+  };
+
   services.home-assistant = {
     enable = true;
     extraComponents = [
@@ -116,10 +123,27 @@
       backup = {};
       homeassistant = {
         name = "Home";
-        unit_system = "metric";
+        latitude = "!secret latitude";
+        longitude = "!secret longitude";
+        country = "GB";
         temperature_unit = "C";
+        time_zone = config.time.timeZone;
+        unit_system = "metric";
+      };
+      mqtt = {
+        broker = "127.0.0.1";
+        port = 1883;
+        discovery = true;
+        client_id = "home-assistant-1";
+        birth_message = {
+          topic = "homeassistant/status";
+          payload = "online";
+        };
+        will_message = {
+          topic = "homeassistant/status";
+          payload = "offline";
+        };
       };
-      mqtt = {};
       recorder = {
         purge_keep_days = 365;
       };
@@ -147,7 +171,13 @@
     enable = true;
     dataDir = "/var/lib/zigbee2mqtt";
     settings = {
-      homeassistant = config.services.home-assistant.enable;
+      homeassistant = lib.optionalAttrs config.services.home-assistant.enable {
+        discovery_topic = "homeassistant";
+        status_topic = "hass/status";
+        legacy_entity_attributes = true;
+        legacy_triggers = true;
+      };
+      availability = true;
       frontend = true;
       device_options = {
         retain = true;