Fix pipeline stuck bug and add lead clearing controls

fix: UID 1000 conflict with Microsoft Playwright base image

add HF settings

fix: update Dockerfile for Hugging Face Spaces compatibility

chore: remove render.yaml to bypass blueprint card requirement

feat: setup Docker and Render for production, remove Vercel config

feat: setup Docker and Render for robust production deployment

chore: add vercel configuration files

feat: LeadGen Pro v2.0 — full system with bug fixes