fix: Remediate CodeQL security vulnerabilities

feat: Implement robust path and argument validation to prevent traversal and injection vulnerabilities, and enhance URL parsing with `urllib.parse`.

Fix 400/422 errors: Correct payload structure, improve error logging, and update workflow inputs

user

refactor: migrate the web application from Flask to FastAPI.

refactor: migrate the web application from Flask to FastAPI, updating dependencies and Dockerfile to use uvicorn.

copy first

copy first

refactor: Centralize configuration management by replacing direct os.getenv calls with the new get_config_value utility function.

refactor: optimize publisher workflow and dynamic env var loading

feat: Add Publisher Workflow to local app

new changes