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

src/features/background-agent/manager.test.ts

@@ -1863,10 +1863,10 @@ describe("BackgroundManager.resume model persistence", () => {
     expect(getSessionPromptParams("session-advanced")).toEqual({
       temperature: 0.25,
       topP: 0.55,
+      maxOutputTokens: 8192,
       options: {
         reasoningEffort: "high",
         thinking: { type: "disabled" },
-        maxTokens: 8192,
       },
     })
   })

src/features/background-agent/spawner.test.ts

@@ -400,10 +400,10 @@ describe("background-agent spawner fallback model promotion", () => {
     expect(getSessionPromptParams("session-123")).toEqual({
       temperature: 0.4,
       topP: 0.7,
+      maxOutputTokens: 4096,
       options: {
         reasoningEffort: "high",
         thinking: { type: "disabled" },
-        maxTokens: 4096,
       },
     })
   })

src/shared/session-prompt-params-helpers.ts

@@ -20,12 +20,12 @@ export function applySessionPromptParams(
   const promptOptions: Record<string, unknown> = {
     ...(model.reasoningEffort ? { reasoningEffort: model.reasoningEffort } : {}),
     ...(model.thinking ? { thinking: model.thinking } : {}),
-    ...(model.maxTokens !== undefined ? { maxTokens: model.maxTokens } : {}),
   }
 
   setSessionPromptParams(sessionID, {
     ...(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 } : {}),
   })
 }

src/shared/session-prompt-params-state.test.ts

@@ -18,9 +18,9 @@ describe("session-prompt-params-state", () => {
     const params = {
       temperature: 0.4,
       topP: 0.7,
+      maxOutputTokens: 4096,
       options: {
         reasoningEffort: "high",
-        maxTokens: 4096,
       },
     }
 

src/tools/call-omo-agent/sync-executor.test.ts

@@ -190,10 +190,10 @@ describe("executeSync", () => {
     expect(promptInput?.body.temperature).toBe(0.12)
     expect(promptInput?.body.topP).toBe(0.34)
     expect(promptInput?.body.options).toEqual({
-      maxTokens: 5678,
       reasoningEffort: "medium",
       thinking: { type: "disabled" },
     })
+    expect(promptInput?.body.maxOutputTokens).toBe(5678)
   })
 
   test("records metadata with description and created session id", async () => {

src/tools/call-omo-agent/sync-executor.ts

@@ -43,12 +43,12 @@ 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 } : {}),
   }
 }

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 } : {}),
   }
 }