feat : add proper logs for the gemini retries

feat: add retry mechanism for Gemini API calls and enhance error handling

fix: correct import statement for copy in helpers.py

feat: implement safe logging for model response and add string truncation utility

KKP-152 | feat: added replicate model training routes, added image url to text convertor in openai service

KKP-91 | feat: added fashnai vtryon routes in image generation service