test: use absolute minimal hello world example to debug schema error

fix: add share=True for HF Spaces compatibility

fix: ultra-minimal Interface pattern matching Gradio docs examples

chore: pin latest gradio 5.42.0 + env file for local py311; env-aware launch kept

feat: env-aware launch (local vs Spaces) + add gradio_client to fix schema typing; local uses share=True

🔧 Simplify interface to fix schema validation with latest Gradio

🐛 Fix file_types parameter issue - simplified to gr.Interface

🐛 Fix launch configuration for HF Spaces

🔒 Update Gradio to latest version (4.44.1) for security

🔧 Fix app configuration for HF Spaces

🚀 Initial deployment