Add yandex-smart-home extension

extensions/yandex-smart-home/CHANGELOG.md

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+# Yandex Smart Home Changelog
+
+## [Initial Release] - 2026-02-01
+
+- Search Devices command: list and control smart home devices (on/off, brightness, color temperature, scenes, color)
+- Run Scenarios command: list active scenarios and run them
+- OAuth 2.0 (PKCE) connection via Yandex; optional callback URL preference
+- Preferences: Yandex OAuth Client ID (required), Callback URL, Debug Logs

extensions/yandex-smart-home/README.md

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+<div align="center">
+
+# Yandex Smart Home — Raycast Extension
+
+<img src="assets/icon.png" alt="Extension icon" width="128" height="128" />
+
+Control Yandex Smart Home devices and run scenarios from Raycast.
+
+[![Raycast Store](https://img.shields.io/badge/Raycast-store-red.svg)](https://www.raycast.com/devall/yandex-smart-home)
+[![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/raycast/extensions/blob/master/LICENSE)
+![PRs welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)
+[![Follow @netebe](https://img.shields.io/twitter/follow/netebe.svg?label=Follow%20@netebe)](https://twitter.com/intent/follow?screen_name=netebe)
+
+</div>
+
+## Commands
+
+- **Devices** — List all smart home devices; turn on/off, set brightness where supported.
+- **Scenarios** — List active scenarios and run them.
+
+## Setup
+
+### 1. Create a Yandex OAuth app
+
+1. Open [Yandex OAuth](https://oauth.yandex.ru/) and sign in.
+2. Create a new application (or use an existing one).
+3. **Platform**: choose **Для доступа к API или отладки**.
+4. **Permissions**: enable **iot:view** and **iot:control** (Smart Home).
+5. **Callback URL**: set exactly  
+   `https://oauth.yandex.ru/verification_code`  
+   (Yandex will show a 7-digit code on this page instead of redirecting.)
+
+6. Save and copy the **Client ID**.
+
+### 2. Configure the extension
+
+1. In Raycast: **Extensions** → **Yandex Smart Home** → **Preferences** (gear icon).
+2. Paste your **Yandex OAuth Client ID** into **Yandex OAuth Client ID**.
+3. Leave **Callback URL** as `https://oauth.yandex.ru/verification_code` unless your Yandex app uses another.
+
+### 3. Connect
+
+1. Run **Devices** or **Scenarios**.
+2. If you’re not connected, you’ll see a form:
+   - Click **Open Yandex** — the browser opens; log in and allow access.
+   - On the Yandex page you’ll see a **7-digit code**. Copy it.
+   - Paste the code into the form and press **Connect**.
+3. After that, devices and scenarios will load; you can turn devices on/off and run scenarios.
+
+## Development
+
+```bash
+npm install
+npm run dev
+```
+
+Then run the extension from Raycast. Use **Debug Logs** in preferences to see API and auth details in the Raycast development console.
+
+## API
+
+The extension uses the [Yandex Smart Home API for user applications](https://yandex.ru/dev/dialogs/smart-home/doc/ru/concepts/platform-protocol):
+
+- Host: `https://api.iot.yandex.net`
+- Auth: OAuth 2.0 Bearer token (PKCE, verification code flow)
+- Scopes: `iot:view`, `iot:control`
+
+## License
+
+MIT

extensions/yandex-smart-home/eslint.config.js

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+const { defineConfig } = require("eslint/config");
+const raycastConfig = require("@raycast/eslint-config");
+
+module.exports = defineConfig([...raycastConfig]);