feat: add homeai-desktop web assistant with LAN access

Adds the desktop web assistant app (Vite + React) with OpenClaw bridge
proxy and exposes it on the local network (host: 0.0.0.0, port 5174).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

homeai-desktop/src/lib/constants.js

@@ -0,0 +1,37 @@
+export const DEFAULT_VOICE = 'af_heart'
+
+export const VOICES = [
+  { id: 'af_heart', label: 'Heart (F, US)' },
+  { id: 'af_alloy', label: 'Alloy (F, US)' },
+  { id: 'af_aoede', label: 'Aoede (F, US)' },
+  { id: 'af_bella', label: 'Bella (F, US)' },
+  { id: 'af_jessica', label: 'Jessica (F, US)' },
+  { id: 'af_kore', label: 'Kore (F, US)' },
+  { id: 'af_nicole', label: 'Nicole (F, US)' },
+  { id: 'af_nova', label: 'Nova (F, US)' },
+  { id: 'af_river', label: 'River (F, US)' },
+  { id: 'af_sarah', label: 'Sarah (F, US)' },
+  { id: 'af_sky', label: 'Sky (F, US)' },
+  { id: 'am_adam', label: 'Adam (M, US)' },
+  { id: 'am_echo', label: 'Echo (M, US)' },
+  { id: 'am_eric', label: 'Eric (M, US)' },
+  { id: 'am_fenrir', label: 'Fenrir (M, US)' },
+  { id: 'am_liam', label: 'Liam (M, US)' },
+  { id: 'am_michael', label: 'Michael (M, US)' },
+  { id: 'am_onyx', label: 'Onyx (M, US)' },
+  { id: 'am_puck', label: 'Puck (M, US)' },
+  { id: 'bf_alice', label: 'Alice (F, UK)' },
+  { id: 'bf_emma', label: 'Emma (F, UK)' },
+  { id: 'bf_isabella', label: 'Isabella (F, UK)' },
+  { id: 'bf_lily', label: 'Lily (F, UK)' },
+  { id: 'bm_daniel', label: 'Daniel (M, UK)' },
+  { id: 'bm_fable', label: 'Fable (M, UK)' },
+  { id: 'bm_george', label: 'George (M, UK)' },
+  { id: 'bm_lewis', label: 'Lewis (M, UK)' },
+]
+
+export const DEFAULT_SETTINGS = {
+  voice: DEFAULT_VOICE,
+  autoTts: true,
+  sttMode: 'bridge', // 'bridge' or 'webspeech'
+}