Refactor image generation and paper summarization logic for improved safety and clarity

Refactor image generation to use a client with retry logic and multiple providers

Enhance image generation and fetching with error handling and retry logic

Refactor fetch_image function to format title and summary inputs

Update image.py

Refactor image generation to use API endpoint and remove pollinations dependency

Remove dotenv dependency and update access key usage in image and main modules

Enhance image handling with timeout and improve post HTML structure

Update image.py

Update image.py

Refactor image generation and upload process, improve error handling, and add base64 padding fix

Refactor image handling by removing debug print statements, adding image cleanup, and improving post creation sleep duration

Refactor image handling by moving image generation and verification to a new module, and update post creation to use the new fetch_image function