Deploy v0.2.0: bump pin to 0.2.0, add #6731 tool_retry preset, pin python_version 3.11

Bump operon-langgraph-gates pin to v0.1.0 stable

Flip operon-langgraph-gates pin from git ref to ==0.1.0a1

Tighten: gradio==6.12.0 to match sdk_version frontmatter (roborev #732)

Fix: sdk_version=6.12.0 in frontmatter (resolves build conflict with requirements.txt pin)

Remove stray dev/null artifact

Drop __pycache__ from repo

Upload /dev/null with huggingface_hub

Add .gitignore

Initial deploy of StagnationGate demo

initial commit