OpenAI-compatible chat request failed
endpoint: https://opencode.ai/zen/go/v1/chat/completions
model: deepseek-v4-flash
auth: OPENCODE_GO_API_KEY
status: 403 Forbidden
response: {"type":"error","error":{"type":"RegionError","message":"The latest version of this model is only available hosted in China and requires explicit opt in: https://opencode.ai/workspace/xxxxxxxxx/go"}}
Hint: check network connectivity, DNS/TLS, that the base URL includes the API version (usually /v1), and that the model exists on the provider.