OpenCode v1.18.20

Core

Bugfixes

• Surface failed subagent tool calls with a resumable task_id.
• Retry provider responses that end with finish_reason: network_error.
• Retry more network error variants, including network-error and network_error.
• Surface resumable subagent failures instead of returning an empty result.
• Preserve Cerebras max_completion_tokens without applying an extra output cap.
• Answer permission requests triggered by subagents during opencode run.
• Retry xAI capacity and temporary unavailability stream errors.