feat: Refactor to use OpenAI client and improve response handling

feat: Enhance error handling and debugging in response processing

feat: Update AGENTS.md and app.py to support GLM-4.7-Flash provider

refactor: Update import statement for HumanMessage and SystemMessage from langchain_core

feat: Add GLM-4.7 provider support with environment variable authentication

docs: Add AGENTS.md with guidelines for agentic coding assistants

chore: Add .opencode/ to .gitignore to exclude OpenCode files from version control

feat: Implement custom CSS to adjust Gradio container width and add padding to the main view.

feat: Add Groq API key validation by making an API call and integrate it into the application's login flow.

refactor: overhaul UI for login and main application views, add logout functionality, and update branding.

feat: Implement API key authentication, owner bypass, and rate limiting for the Gradio interface.

Add copy functionality for outputs and error table in Gradio interface

Add initial implementation of English writing assistant with Gradio interface and Groq API integration

initial commit