[BUG] OpenCode Go 中 DeepSeek V4.1 Flash 无法显示思考链

**Fact 1 (Determinacy = Answerer Independence).** If $\mathrm{Dec}(Q)$, there exists an algorithm $A$ and a unique value $v=\mathrm{val}(Q)$, such that any entity executing $A$ outputs $v$. Therefore, the correct answer does not depend on the answerer's conceptual framework.