fix(chat-params): complete maxOutputTokens migration in session prompt params

src/tools/delegate-task/sync-prompt-sender.test.ts

@@ -277,15 +277,15 @@ bunDescribe("sendSyncPrompt", () => {
     bunExpect(promptArgs.body.options).toEqual({
       reasoningEffort: "high",
       thinking: { type: "disabled" },
-      maxTokens: 4096,
     })
+    bunExpect(promptArgs.body.maxOutputTokens).toBe(4096)
     bunExpect(getSessionPromptParams("test-session")).toEqual({
       temperature: 0.4,
       topP: 0.7,
+      maxOutputTokens: 4096,
       options: {
         reasoningEffort: "high",
         thinking: { type: "disabled" },
-        maxTokens: 4096,
       },
     })
   })

src/tools/delegate-task/sync-prompt-sender.ts

@@ -30,12 +30,12 @@ function buildPromptGenerationParams(model: DelegatedModelConfig | undefined): R
   const promptOptions: Record<string, unknown> = {
     ...(model.reasoningEffort ? { reasoningEffort: model.reasoningEffort } : {}),
     ...(model.thinking ? { thinking: model.thinking } : {}),
-    ...(model.maxTokens !== undefined ? { maxTokens: model.maxTokens } : {}),
   }
 
   return {
     ...(model.temperature !== undefined ? { temperature: model.temperature } : {}),
     ...(model.top_p !== undefined ? { topP: model.top_p } : {}),
+    ...(model.maxTokens !== undefined ? { maxOutputTokens: model.maxTokens } : {}),
     ...(Object.keys(promptOptions).length > 0 ? { options: promptOptions } : {}),
   }
 }