Answers issue #7. Confirms sst/opencode moved to anomalyco/opencode, documents install methods, opencode.json provider config for a local OpenAI-compatible server, and known tool-calling compatibility issues against self-hosted backends (llama.cpp --jinja requirement, empty tool_calls handling) plus Qwen3.8-27B-specific caveats. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>