feat(elevenlabs): add ElevenLabs voice AI integration

integrations/elevenlabs/.gitignore

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+node_modules
+dist
+bin

integrations/elevenlabs/README.md

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+# ElevenLabs Integration
+
+Connect ElevenLabs to CORE to track AI voice generation history, monitor your voice library, and surface TTS activity in your workspace timeline.
+
+## Overview
+
+The ElevenLabs integration uses your **API Key** to authenticate and syncs voice generation data on a schedule.
+
+### What gets synced automatically
+
+- **Generation history** — recent text-to-speech jobs (voice used, model, character count, text preview)
+- **Voice library** — cloned or generated voices added to your account
+
+## Authentication
+
+1. Log in to [ElevenLabs](https://elevenlabs.io)
+2. Click your profile avatar → **Profile**
+3. Copy the **API Key** shown on the page
+4. Paste it into CORE when connecting the integration
+
+## Environment Variables
+
+| Variable | Description |
+|---|---|
+| `ELEVENLABS_API_KEY` | Your ElevenLabs API key |
+
+## Development
+
+### Build
+```bash
+pnpm install
+pnpm build
+```
+
+### Test via CLI
+```bash
+# Get spec
+node bin/index.cjs spec
+
+# Run a sync
+node bin/index.cjs sync \
+  --config '{"api_key":"sk_your_key_here"}'
+```
+
+## License
+
+MIT

integrations/elevenlabs/package.json

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+{
+  "name": "@core/elevenlabs",
+  "version": "0.1.0",
+  "description": "ElevenLabs integration for CORE - AI voice generation history, voice library, and usage tracking",
+  "main": "./bin/index.cjs",
+  "type": "module",
+  "files": [
+    "elevenlabs",
+    "bin"
+  ],
+  "bin": {
+    "elevenlabs": "./bin/index.cjs"
+  },
+  "scripts": {
+    "build": "rimraf bin && bun build src/index.ts --outfile dist/index.js --target node",
+    "lint": "eslint --ext js,ts,tsx src/ --fix",
+    "prettier": "prettier --config .prettierrc --write ."
+  },
+  "devDependencies": {
+    "@babel/preset-typescript": "^7.26.0",
+    "@types/node": "^18.0.20",
+    "eslint": "^9.24.0",
+    "eslint-config-prettier": "^10.1.2",
+    "eslint-import-resolver-alias": "^1.1.2",
+    "eslint-plugin-import": "^2.31.0",
+    "eslint-plugin-jest": "^27.9.0",
+    "eslint-plugin-prettier": "^5.2.1",
+    "eslint-plugin-unused-imports": "^2.0.0",
+    "prettier": "^3.4.2",
+    "rimraf": "^3.0.2",
+    "tslib": "^2.8.1",
+    "typescript": "^4.7.2",
+    "tsup": "^8.0.1"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "dependencies": {
+    "axios": "^1.7.9",
+    "commander": "^12.0.0",
+    "@redplanethq/sdk": "0.1.14",
+    "zod": "^3.22.4",
+    "zod-to-json-schema": "^3.22.4"
+  }
+}