fix: drop --continue to avoid resuming unrelated sessions from shared .claude dir

fix: verify correct container is running before exec, fail fast otherwise

fix: add Pipfile detection and fix uv pip missing venv in setup.sh prompt

feat: resume last session with --continue on launch

feat: forward SSH agent into generated devcontainer

docs: update requirements and install section

feat(install): check and offer to install missing requirements

feat: initial release of cc-yolo — Claude Code YOLO mode in devcontainers