feat: VoiceCoach v2 — livekit-agents 1.5 personal voice assistant

Replaces pipecat 0.0.48 (6 manual patches, DuplicateIdentity reconnect storms)
with livekit-agents 1.5 SDK. New features:
- SvelteKit UI with live transcript, VAD ring, mode bar, vocal meter, history view
- SQLite session store with WAL mode (cross-session memory)
- Async SpeechBrain vocal/emotion analysis injected per turn
- Homelab tools: SSH/docker, Prometheus alerts, Home Assistant, SearXNG search
- OpenClaw LLM gateway preserved (qwen2.5:14b via Ollama)
- 4 modes: coaching, vent, practice, briefing

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

compose/hf-pdocker-01/voicecoach-v2/web-client/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "voicecoach-v2-web",
+  "version": "2.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "vite dev",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "type": "module",
+  "devDependencies": {
+    "@sveltejs/adapter-static": "^3.0.0",
+    "@sveltejs/kit": "^2.0.0",
+    "@sveltejs/vite-plugin-svelte": "^3.0.0",
+    "svelte": "^5.0.0",
+    "vite": "^5.0.0"
+  },
+  "dependencies": {
+    "livekit-client": "^2.5.0"
+  }
+}