Implement UPSERT functionality for daily_ra table in app.py and enforce unique constraint on work_date in schema.sql

fix download_button

add download_button

Update src/daily_ra/services/llm_service.py

Refactor load_category_data function to dynamically locate the Excel file path

Upload All process.xlsx

import LLM

add pulldown

Refactor database connection to use Supabase DB and Enhance project structure