fix:subagent reasoningEffort not being applied (#8646)

Co-authored-by: Bot <bot@example.com>

packages/opencode/src/tool/task.ts

@@ -150,6 +150,7 @@ export const TaskTool = Tool.define("task", async (ctx) => {
           providerID: model.providerID,
         },
         agent: agent.name,
+        options: agent.options,
         tools: {
           todowrite: false,
           todoread: false,