fix: Adjust Flask port and disable HF telemetry\n\n- Changed Flask server port to 7860 for Hugging Face Spaces compatibility.\n- Added HF_HUB_DISABLE_TELEMETRY=1 to further disable telemetry.

fix: Correct start.sh execution flow and app path\n\n- Restored 'cd /app' and original Flask run command.\n- Ensures correct working directory for app.py and setup.sh sourcing.\n- Environment variables are now set before app startup.

fix: Resolve runtime errors and timeout issues\n\n- Create writable directories for logs and Hugging Face cache.\n- Set TRANSFORMERS_CACHE environment variable.\n- Fix SyntaxWarning in lpm_kernel/utils.py.\n- Disable ChromaDB telemetry to prevent posthog errors.

fix: use start.sh script to start the application