feat: TTS(Text2Speech) with over 15 languages support!

packages/plugin-tts/.npmignore

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+*
+
+!dist/**
+!package.json
+!readme.md
+!tsup.config.ts
+!tsconfig.json

packages/plugin-tts/README.md

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+# @elizaos/plugin-tts
+
+A plugin for text-to-speech(TTS) generation using the FAL.ai API within the ElizaOS ecosystem.
+
+## Description
+
+The text-to-speech(TTS) plugin enables AI-powered creation of speech through FAL.ai's services. It provides functionality to generate audio from text descriptions, automatically detects language, and selects appropriate voice models.
+
+## Installation
+
+```bash
+pnpm install @elizaos/plugin-tts
+```
+
+## Configuration
+
+The plugin requires the following environment variable or runtime setting to be set:
+
+```typescript
+FAL_API_KEY=<Your FAL.ai API key>
+```
+
+## Usage
+
+### Basic Integration
+
+```typescript
+import { TTSGenerationPlugin } from "@elizaos/plugin-tts";
+```
+
+### Voice Generation Examples
+
+```typescript
+// The plugin responds to natural language commands like:
+
+"Generate TTS of Hello World";
+"Create a TTS for Welcome to ElizaOS";
+"Make a TTS saying [your text]";
+```
+
+## API Reference
+
+### Actions
+
+#### GENERATE_TTS
+
+Generates speech audio based on text input.
+
+**Aliases:**
+- TTS_GENERATION
+- CREATE_TTS
+- TEXT2SPEECH
+- T2S
+- TEXT_TO_SPEECH
+- AUDIO_CREATE
+
+**Features:**
+- Automatic language detection
+- Voice selection based on detected language
+- Local file caching
+- Progress tracking
+- Error handling
+
+## Common Issues & Troubleshooting
+
+1. **Generation Failures**
+    - Verify FAL API key is correctly set
+    - Ensure text input is at least 3 characters long
+    - Check network connectivity to FAL.ai services
+
+2. **Storage Issues**
+    - Verify write permissions to content_cache directory
+    - Ensure sufficient disk space
+    - Check if content_cache directory exists
+
+## Security Best Practices
+
+1. **API Key Management**
+    - Store FAL API key securely using runtime settings or environment variables
+    - Never commit API keys to version control
+    - Monitor API usage
+
+## Development Guide
+
+### Setting Up Development Environment
+
+1. Clone the repository
+2. Install dependencies:
+
+```bash
+pnpm install
+```
+
+3. Build the plugin:
+
+```bash
+pnpm run build
+```
+
+4. Run the plugin:
+
+```bash
+pnpm run dev
+```
+
+## Future Enhancements
+
+1. **Advanced Voice Features**
+    - Custom voice model support
+    - Voice style transfer
+    - Emotion control
+    - Speech rate adjustment
+    - Pitch modification
+    - Multiple speaker support
+
+2. **Audio Processing**
+    - Background noise reduction
+    - Audio quality enhancement
+    - Format conversion options
+    - Volume normalization
+    - Audio effects processing
+    - Batch processing support
+
+3. **Language Support**
+    - Expanded language detection
+    - Regional accent support
+    - Dialect customization
+    - Pronunciation improvements
+    - Multi-language mixing
+    - Custom pronunciation rules
+
+4. **Integration Features**
+    - Streaming audio support
+    - Real-time generation
+    - Caching optimization
+    - Batch generation
+    - Queue management
+    - Progress monitoring
+
+5. **Developer Tools**
+    - Extended API options
+    - Testing framework
+    - Performance profiling
+    - Debug logging
+    - Integration examples
+    - Documentation generator
+
+We welcome community feedback and contributions to help prioritize these enhancements.
+
+## Contributing
+
+Contributions are welcome! Please see the [CONTRIBUTING.md](CONTRIBUTING.md) file for more information.
+
+## Credits
+
+This plugin integrates with and builds upon several key technologies:
+
+- [FAL.ai](https://fal.ai/): AI model deployment platform
+- [langdetect](https://github.com/wooorm/franc): Language detection library
+- [ElizaOS](https://elizaos.com): Core framework
+
+Special thanks to:
+- The FAL.ai team for AI infrastructure
+- The langdetect development community
+- The Eliza community for their contributions and feedback
+
+For more information about TTS capabilities:
+- [FAL.ai Documentation](https://fal.ai/docs)
+- [ElizaOS Documentation](https://docs.elizaos.com)
+
+## License
+
+This plugin is part of the Eliza project. See the main project repository for license information.

packages/plugin-tts/eslint.config.mjs

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+import eslintGlobalConfig from "../../eslint.config.mjs";
+
+export default [...eslintGlobalConfig];

packages/plugin-tts/package.json

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+{
+    "name": "@elizaos/plugin-tts",
+    "version": "0.1.7",
+    "type": "module",
+    "main": "dist/index.js",
+    "module": "dist/index.js",
+    "types": "dist/index.d.ts",
+    "exports": {
+        "./package.json": "./package.json",
+        ".": {
+            "import": {
+                "@elizaos/source": "./src/index.ts",
+                "types": "./dist/index.d.ts",
+                "default": "./dist/index.js"
+            }
+        }
+    },
+    "files": [
+        "dist"
+    ],
+    "dependencies": {
+        "@elizaos/core": "workspace:*",
+        "tsup": "8.3.5",
+        "whatwg-url": "7.1.0"
+    },
+    "scripts": {
+        "build": "tsup --format esm --dts",
+        "dev": "tsup --format esm --dts --watch",
+        "lint": "eslint --fix  --cache ."
+    },
+    "peerDependencies": {
+        "whatwg-url": "7.1.0"
+    }
+}