diff --git a/packages/types/src/providers/openai.ts b/packages/types/src/providers/openai.ts
index b05185402d..8e38472ea1 100644
--- a/packages/types/src/providers/openai.ts
+++ b/packages/types/src/providers/openai.ts
@@ -51,9 +51,8 @@ export const openAiNativeModels = {
 		maxTokens: 128000,
 		contextWindow: 400000,
 		supportsImages: true,
-		supportsPromptCache: true,
+		supportsPromptCache: false,
 		supportsReasoningEffort: false,
-		reasoningEffort: "high",
 		inputPrice: 15.0,
 		outputPrice: 120.0,
 		description:
diff --git a/src/api/providers/__tests__/openai-native.spec.ts b/src/api/providers/__tests__/openai-native.spec.ts
index fa872db425..b3500763c9 100644
--- a/src/api/providers/__tests__/openai-native.spec.ts
+++ b/src/api/providers/__tests__/openai-native.spec.ts
@@ -1510,26 +1510,6 @@ describe("OpenAI Native background mode behavior", () => {
 		expect(requestBodyWithOptionFalse.stream).toBe(true)
 	})
 
-	it("auto-enables background mode for gpt-5-pro when no override is specified", async () => {
-		const handler = new OpenAiNativeHandler({
-			apiModelId: "gpt-5-pro-2025-10-06",
-			openAiNativeApiKey: "test",
-			// no openAiNativeBackgroundMode provided
-		})
-
-		mockResponsesCreate.mockResolvedValueOnce(createMinimalIterable())
-
-		const chunks: any[] = []
-		for await (const chunk of handler.createMessage(systemPrompt, baseMessages, metadataStoreFalse)) {
-			chunks.push(chunk)
-		}
-
-		expect(chunks).not.toHaveLength(0)
-		const requestBody = mockResponsesCreate.mock.calls[0][0]
-		expect(requestBody.background).toBe(true)
-		expect(requestBody.stream).toBe(true)
-		expect(requestBody.store).toBe(true)
-	})
 	it("forces store:true and includes background:true when falling back to SSE", async () => {
 		const handler = new OpenAiNativeHandler({
 			apiModelId: "gpt-5-pro-2025-10-06",
diff --git a/src/core/task/Task.ts b/src/core/task/Task.ts
index b2a0da548e..66ebffe699 100644
--- a/src/core/task/Task.ts
+++ b/src/core/task/Task.ts
@@ -2627,9 +2627,6 @@ export class Task extends EventEmitter<TaskEvents> implements TaskLike {
 											;(apiReqMsg as any).metadata.responseId = chunk.responseId
 										}
 										// Temporary debug to confirm UI metadata updates
-										console.log(
-											`[BackgroundMode] status update -> ${chunk.status} (resp=${chunk.responseId ?? "n/a"})`,
-										)
 										await this.updateClineMessage(apiReqMsg)
 										// Force state refresh to ensure UI recomputes derived labels/memos
 										const provider = this.providerRef.deref()
diff --git a/webview-ui/src/components/chat/ChatRow.tsx b/webview-ui/src/components/chat/ChatRow.tsx
index 2d93005d68..c7743985a2 100644
--- a/webview-ui/src/components/chat/ChatRow.tsx
+++ b/webview-ui/src/components/chat/ChatRow.tsx
@@ -340,11 +340,7 @@ export const ChatRowContent = ({
 						)
 					) : bgDone ? (
 						bgStatus === "completed" ? (
-							isExpanded ? (
-								<ChevronDown className="w-4 shrink-0" />
-							) : (
-								<ChevronRight className="w-4 shrink-0" />
-							)
+							<span className={`codicon codicon-chevron-${isExpanded ? "down" : "right"}`} />
 						) : (
 							getIconSpan("error", bgStatus === "canceled" ? cancelledColor : errorColor)
 						)
@@ -383,7 +379,17 @@ export const ChatRowContent = ({
 			default:
 				return [null, null]
 		}
-	}, [type, isCommandExecuting, message, isMcpServerResponding, apiReqCancelReason, cost, apiRequestFailedMessage, t])
+	}, [
+		type,
+		isCommandExecuting,
+		message,
+		isExpanded,
+		isMcpServerResponding,
+		apiReqCancelReason,
+		cost,
+		apiRequestFailedMessage,
+		t,
+	])
 
 	const headerStyle: React.CSSProperties = {
 		display: "flex",