chore: merge dev into v2 (#35591)

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packages/opencode/src/provider/transform.ts

@@ -1240,9 +1240,6 @@ export function smallOptions(model: Provider.Model) {
     return mergeDeep(base, small)
   }
   if (model.providerID === "openrouter" || model.providerID === "llmgateway") {
-    if (model.providerID === "openrouter" && small.reasoning?.effort === "low") {
-      return { reasoning: { effort: "none" } }
-    }
     if (Object.keys(small).length === 0 && model.api.id.includes("google")) {
       return { reasoning: { enabled: false } }
     }