Update anthropic and elevenlabs integrations to retry with exponential backoff.

Update API integration code to be async

Add '_' prefix to private methods throughout project, cleans up formatting and comments/docstrings

Fix types in integrations package

more explicit control flow

Move env var validation util to config, refactor to fix linting errors across project

Remove unused imports

Update file clean up logic to delete audio files older than 30 minuteds when writing new audio file to static/audio directory.

Move business logic out of app.py, refactor code to call hume once specifying 2 generations instead of call Hume twice

Improve Hume errors, fix error message text in UI

Improve Anthropic error handling, add UnretryableAnthropicError

improve 11labs error handling

Update application flow to accept a character description and normalize a prompt for claude

Refactor tts integration functions to write audio to file and return file path, audio players to play mp3 file written to temp folder, fix audioplayer loading, remove unused imports

Update eleven labs integration to consume the voice generation api

Update Hume integration to use OCTAVE TTS endpoint, update Elevenlabs integration to use voice design endpoint, no longer specify voice since voices are now generated

Add formatter (black) and format all code in src directory— using black default formatting configuration

Improve ElevenLabs integration documentation

Restore encapsulation for ElevenLabs integration, update TTS functions to return the voice name in addition to the audio

Update UI to compare Hume vs Elevenlabs 50% of the time, and Hume vs Hume 50% of the time

Update documentation and fix typos across project

Clean up doc strings

Clean up docstrings across files

Improve Hume API error handling

Improve ElevenLabs API error handling

Clean up documentation, remove orphaned utility, create constants file to store constants

Update Hume integration to randmonly pick a voice from a predefined list of top voices

Clean up ElevenLabsConfig

Update ElevenLabs integration to randmonly pick a voice from a predefined list of top voices

Remove excessive logging from debugging

Add validation for presence of output_format attribute in ElevenLabsConfig

Adds ElevenLabs integration

Organize project structure