Dispatch: OpencodeExecutor.transformRequest stripped the effort-suffixed
alias (e.g. glm-5.2-high) down to the base id and injected a flat
reasoning_effort body field — but opencode-go's ChatCompletionRequest has
no such field for non-DeepSeek families, so the tier never reached the
upstream and every request ran at default effort. Only DeepSeek V4
accepts the flat field (its native contract, #4647), so it keeps the old
rewrite; every other family now forwards the aliased model id verbatim,
which is their only native effort mechanism.
Registry: declare supportedThinkingEfforts on the base rows that had
aliases but no tier vocabulary — opencode-go (glm-5.2, mimo-v2.5,
grok-4.5, hy3, kimi-k3, qwen3.7-max/plus), the shared zen/go row
(qwen3.6-plus) and opencode-zen (deepseek-v4-pro/flash, glm-5.2,
kimi-k3) — so catalog variant synthesis (#9485) and
sanitizeReasoningEffortForProvider clamp from one source of truth.
nvidia z-ai/glm-5.2 is declared reasoning-capable with an EMPTY tier
list: its upstream only exposes a binary enable_thinking switch
(mapNvidiaGlm52ReasoningParams), so no honest tiers exist to advertise.
Ollama Cloud declarations were already landed upstream (#11307); this
change covers the remaining providers named in #10788.
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