Lyrics Transcription Skill Transcribe audio files to timestamped lyrics (LRC/SRT/JSON) via OpenAI Whisper or ElevenLabs Scribe API. API Key Setup Guide Before transcribing, you MUST check whether the user's API key is configured. Run the following command to check: This command only reports whether the active provider's API key is set or empty — it does NOT print the actual key value. NEVER read or display the user's API key content. Do not use on key fields or read directly. The command is safe — it automatically masks API keys as in output. If the command reports the key is empty , you MUST…