added api for ai; got backend working

plan.md

@@ -60,6 +60,9 @@ Focus on what creators need for spoken content:
 
 No multi-track, voice cloning, or collaboration—keep it simple.
 
+## 4. Notes
+- Consider adding Parakeet TDT as a transcription option in the future for users who want alternatives to Whisper.
+
 ## 5. Monetization Model
 - **Free Forever**: Core editing/transcription (unlimited local use).
 - **Pro License** ($29–49 one-time): Batch processing, high-quality voices (if adding TTS), custom presets, priority support.