feat(skills): add media/transcription helpers

skills/openai-whisper-api/SKILL.md

@@ -0,0 +1,42 @@
+---
+name: openai-whisper-api
+description: Transcribe audio via OpenAI Audio Transcriptions API (Whisper).
+metadata: {"clawdis":{"requires":{"bins":["curl"],"env":["OPENAI_API_KEY"]},"primaryEnv":"OPENAI_API_KEY"}}
+---
+
+# OpenAI Whisper API (curl)
+
+Transcribe an audio file via OpenAI’s `/v1/audio/transcriptions` endpoint.
+
+## Quick start
+
+```bash
+{baseDir}/scripts/transcribe.sh /path/to/audio.m4a
+```
+
+Defaults:
+- Model: `whisper-1`
+- Output: `<input>.txt`
+
+## Useful flags
+
+```bash
+{baseDir}/scripts/transcribe.sh /path/to/audio.ogg --model whisper-1 --out /tmp/transcript.txt
+{baseDir}/scripts/transcribe.sh /path/to/audio.m4a --language en
+{baseDir}/scripts/transcribe.sh /path/to/audio.m4a --prompt "Speaker names: Peter, Daniel"
+{baseDir}/scripts/transcribe.sh /path/to/audio.m4a --json --out /tmp/transcript.json
+```
+
+## API key
+
+Set `OPENAI_API_KEY`, or configure it in `~/.clawdis/clawdis.json`:
+
+```json5
+{
+  skills: {
+    "openai-whisper-api": {
+      apiKey: "OPENAI_KEY_HERE"
+    }
+  }
+}
+```