feat: added web UI using Gradio (#2)

docs: add demo GIFs showcasing photo editing and video creation workflows

refactor: move enrich_prompt_for_marketing function after generate_video_with_image for better code organization

refactor: remove model parameter from generate_video_with_image endpoint

feat/add-part2-veo-mcp (#1)

refactor: rename tools.py and callbacks.py to custom_tools.py and model_callbacks.py

docs: update product designer demo to focus on photo editing with stricter image preservation rules

refactor: simplify product photo editor agent description for better readability

feat: add product photography assistant prompt with detailed editing instructions

refactor: move agent instructions to separate prompt file and rename to product_photo_editor

refactor: rename creative_product_designer_agent_example directory to example_agent

refactor: rename creative_product_designer_agent directory to creative_product_designer_agent_example

refactor: simplify image processing logic by removing redundant checks and functions

docs: add README and env example for multimodal tool interaction demo

fix: handle missing artifacts gracefully in edit_product_asset tool