diff --git a/packages/ai/src/providers/azure-openai-responses.ts b/packages/ai/src/providers/azure-openai-responses.ts
index f836fcfb8..7d1bfef85 100644
--- a/packages/ai/src/providers/azure-openai-responses.ts
+++ b/packages/ai/src/providers/azure-openai-responses.ts
@@ -20,7 +20,13 @@ import {
 } from "../types";
 import { AssistantMessageEventStream } from "../utils/event-stream";
 import { finalizeErrorMessage, type RawHttpRequestDump } from "../utils/http-inspector";
-import { createFirstEventWatchdog, getOpenAIStreamIdleTimeoutMs, getStreamFirstEventTimeoutMs, iterateWithIdleTimeout, markFirstStreamEvent } from "../utils/idle-iterator";
+import {
+	createFirstEventWatchdog,
+	getOpenAIStreamIdleTimeoutMs,
+	getStreamFirstEventTimeoutMs,
+	iterateWithIdleTimeout,
+	markFirstStreamEvent,
+} from "../utils/idle-iterator";
 import { mapToOpenAIResponsesToolChoice } from "../utils/tool-choice";
 import { supportsDeveloperRole } from "./openai-responses";
 import {
@@ -121,9 +127,8 @@ export const streamAzureOpenAIResponses: StreamFunction<"azure-openai-responses"
 				? AbortSignal.any([options.signal, requestAbortController.signal])
 				: requestAbortController.signal;
 			const idleTimeoutMs = getOpenAIStreamIdleTimeoutMs();
-			const firstEventWatchdog = createFirstEventWatchdog(
-				getStreamFirstEventTimeoutMs(idleTimeoutMs),
-				() => requestAbortController.abort(),
+			const firstEventWatchdog = createFirstEventWatchdog(getStreamFirstEventTimeoutMs(idleTimeoutMs), () =>
+				requestAbortController.abort(),
 			);
 			options?.onPayload?.(params);
 			rawRequestDump = {
@@ -138,14 +143,11 @@ export const streamAzureOpenAIResponses: StreamFunction<"azure-openai-responses"
 			stream.push({ type: "start", partial: output });
 
 			await processResponsesStream(
-				iterateWithIdleTimeout(
-					markFirstStreamEvent(openaiStream, firstEventWatchdog),
-					{
-						idleTimeoutMs,
-						errorMessage: "Azure OpenAI responses stream stalled while waiting for the next event",
-						onIdle: () => requestAbortController.abort(),
-					},
-				),
+				iterateWithIdleTimeout(markFirstStreamEvent(openaiStream, firstEventWatchdog), {
+					idleTimeoutMs,
+					errorMessage: "Azure OpenAI responses stream stalled while waiting for the next event",
+					onIdle: () => requestAbortController.abort(),
+				}),
 				output,
 				stream,
 				model,
diff --git a/packages/ai/src/providers/openai-responses.ts b/packages/ai/src/providers/openai-responses.ts
index 480e2a951..a3bc8a1a5 100644
--- a/packages/ai/src/providers/openai-responses.ts
+++ b/packages/ai/src/providers/openai-responses.ts
@@ -30,7 +30,13 @@ import {
 } from "../utils";
 import { AssistantMessageEventStream } from "../utils/event-stream";
 import { finalizeErrorMessage, type RawHttpRequestDump } from "../utils/http-inspector";
-import { createFirstEventWatchdog, getOpenAIStreamIdleTimeoutMs, getStreamFirstEventTimeoutMs, iterateWithIdleTimeout, markFirstStreamEvent } from "../utils/idle-iterator";
+import {
+	createFirstEventWatchdog,
+	getOpenAIStreamIdleTimeoutMs,
+	getStreamFirstEventTimeoutMs,
+	iterateWithIdleTimeout,
+	markFirstStreamEvent,
+} from "../utils/idle-iterator";
 import { adaptSchemaForStrict, NO_STRICT } from "../utils/schema";
 import { mapToOpenAIResponsesToolChoice } from "../utils/tool-choice";
 import {
@@ -173,9 +179,8 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
 				? AbortSignal.any([options.signal, requestAbortController.signal])
 				: requestAbortController.signal;
 			const idleTimeoutMs = getOpenAIStreamIdleTimeoutMs();
-			const firstEventWatchdog = createFirstEventWatchdog(
-				getStreamFirstEventTimeoutMs(idleTimeoutMs),
-				() => requestAbortController.abort(),
+			const firstEventWatchdog = createFirstEventWatchdog(getStreamFirstEventTimeoutMs(idleTimeoutMs), () =>
+				requestAbortController.abort(),
 			);
 			options?.onPayload?.(params);
 			rawRequestDump = {
@@ -192,14 +197,11 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
 
 			const nativeOutputItems: Array<Record<string, unknown>> = [];
 			await processResponsesStream(
-				iterateWithIdleTimeout(
-					markFirstStreamEvent(openaiStream, firstEventWatchdog),
-					{
-						idleTimeoutMs,
-						errorMessage: "OpenAI responses stream stalled while waiting for the next event",
-						onIdle: () => requestAbortController.abort(),
-					},
-				),
+				iterateWithIdleTimeout(markFirstStreamEvent(openaiStream, firstEventWatchdog), {
+					idleTimeoutMs,
+					errorMessage: "OpenAI responses stream stalled while waiting for the next event",
+					onIdle: () => requestAbortController.abort(),
+				}),
 				output,
 				stream,
 				model,
diff --git a/packages/ai/src/utils/idle-iterator.ts b/packages/ai/src/utils/idle-iterator.ts
index c86bc8394..cd52b4abb 100644
--- a/packages/ai/src/utils/idle-iterator.ts
+++ b/packages/ai/src/utils/idle-iterator.ts
@@ -26,7 +26,10 @@ export function getOpenAIStreamIdleTimeoutMs(): number | undefined {
  * Set `PI_STREAM_FIRST_EVENT_TIMEOUT_MS=0` to disable the watchdog.
  */
 export function getStreamFirstEventTimeoutMs(idleTimeoutMs?: number): number | undefined {
-	const fallback = Math.min(DEFAULT_STREAM_FIRST_EVENT_TIMEOUT_MS, idleTimeoutMs ?? DEFAULT_STREAM_FIRST_EVENT_TIMEOUT_MS);
+	const fallback = Math.min(
+		DEFAULT_STREAM_FIRST_EVENT_TIMEOUT_MS,
+		idleTimeoutMs ?? DEFAULT_STREAM_FIRST_EVENT_TIMEOUT_MS,
+	);
 	return normalizeIdleTimeoutMs($env.PI_STREAM_FIRST_EVENT_TIMEOUT_MS, fallback);
 }
 
@@ -39,10 +42,7 @@ export interface FirstEventWatchdog {
  * Starts a watchdog that aborts a request if no first stream event arrives in time.
  * Call `markFirstEventReceived()` as soon as the first event is observed.
  */
-export function createFirstEventWatchdog(
-	timeoutMs: number | undefined,
-	onTimeout: () => void,
-): FirstEventWatchdog {
+export function createFirstEventWatchdog(timeoutMs: number | undefined, onTimeout: () => void): FirstEventWatchdog {
 	let timer: NodeJS.Timeout | undefined;
 	if (timeoutMs !== undefined && timeoutMs > 0) {
 		timer = setTimeout(() => {
@@ -105,7 +105,10 @@ export async function* iterateWithIdleTimeout<T>(
 	options: IdleTimeoutIteratorOptions,
 ): AsyncGenerator<T> {
 	const firstItemTimeoutMs = options.firstItemTimeoutMs ?? options.idleTimeoutMs;
-	if ((firstItemTimeoutMs === undefined || firstItemTimeoutMs <= 0) && (options.idleTimeoutMs === undefined || options.idleTimeoutMs <= 0)) {
+	if (
+		(firstItemTimeoutMs === undefined || firstItemTimeoutMs <= 0) &&
+		(options.idleTimeoutMs === undefined || options.idleTimeoutMs <= 0)
+	) {
 		for await (const item of iterable) {
 			yield item;
 		}
@@ -152,7 +155,9 @@ export async function* iterateWithIdleTimeout<T>(
 				if (returnPromise) {
 					void returnPromise.catch(() => {});
 				}
-				throw new Error(sawFirstItem ? options.errorMessage : (options.firstItemErrorMessage ?? options.errorMessage));
+				throw new Error(
+					sawFirstItem ? options.errorMessage : (options.firstItemErrorMessage ?? options.errorMessage),
+				);
 			}
 			if (outcome.kind === "error") {
 				throw outcome.error;
diff --git a/packages/ai/src/utils/oauth/vercel-ai-gateway.ts b/packages/ai/src/utils/oauth/vercel-ai-gateway.ts
index 0ecfe6234..3163c4869 100644
--- a/packages/ai/src/utils/oauth/vercel-ai-gateway.ts
+++ b/packages/ai/src/utils/oauth/vercel-ai-gateway.ts
@@ -11,8 +11,7 @@
 
 import type { OAuthController } from "./types";
 
-const AUTH_URL =
-  "https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai-gateway%2Fapi-keys&title=AI+Gateway+API+Keys";
+const AUTH_URL = "https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai-gateway%2Fapi-keys&title=AI+Gateway+API+Keys";
 
 /**
  * Login to Vercel AI Gateway.
@@ -20,32 +19,29 @@ const AUTH_URL =
  * Opens browser to Vercel AI Gateway docs and prompts for an API key.
  * Returns the API key directly (not OAuthCredentials - this isn't OAuth).
  */
-export async function loginVercelAiGateway(
-  options: OAuthController,
-): Promise<string> {
-  if (!options.onPrompt) {
-    throw new Error("Vercel AI Gateway login requires onPrompt callback");
-  }
+export async function loginVercelAiGateway(options: OAuthController): Promise<string> {
+	if (!options.onPrompt) {
+		throw new Error("Vercel AI Gateway login requires onPrompt callback");
+	}
 
-  options.onAuth?.({
-    url: AUTH_URL,
-    instructions:
-      "Copy your Vercel AI Gateway API key from the Vercel dashboard",
-  });
+	options.onAuth?.({
+		url: AUTH_URL,
+		instructions: "Copy your Vercel AI Gateway API key from the Vercel dashboard",
+	});
 
-  const apiKey = await options.onPrompt({
-    message: "Paste your Vercel AI Gateway API key",
-    placeholder: "vck_...",
-  });
+	const apiKey = await options.onPrompt({
+		message: "Paste your Vercel AI Gateway API key",
+		placeholder: "vck_...",
+	});
 
-  if (options.signal?.aborted) {
-    throw new Error("Login cancelled");
-  }
+	if (options.signal?.aborted) {
+		throw new Error("Login cancelled");
+	}
 
-  const trimmed = apiKey.trim();
-  if (!trimmed) {
-    throw new Error("API key is required");
-  }
+	const trimmed = apiKey.trim();
+	if (!trimmed) {
+		throw new Error("API key is required");
+	}
 
-  return trimmed;
+	return trimmed;
 }
diff --git a/packages/ai/test/anthropic-retry.test.ts b/packages/ai/test/anthropic-retry.test.ts
index 7a7482b8a..3c3a8e129 100644
--- a/packages/ai/test/anthropic-retry.test.ts
+++ b/packages/ai/test/anthropic-retry.test.ts
@@ -19,7 +19,9 @@ describe("isProviderRetryableError", () => {
 	});
 
 	it("retries first-event timeout errors", () => {
-		expect(isProviderRetryableError(new Error("Anthropic stream timed out while waiting for the first event"))).toBe(true);
+		expect(isProviderRetryableError(new Error("Anthropic stream timed out while waiting for the first event"))).toBe(
+			true,
+		);
 	});
 
 	it("does not retry non-transient validation errors", () => {
diff --git a/packages/ai/test/anthropic-stream-timeout.test.ts b/packages/ai/test/anthropic-stream-timeout.test.ts
index 177820e70..c54012c92 100644
--- a/packages/ai/test/anthropic-stream-timeout.test.ts
+++ b/packages/ai/test/anthropic-stream-timeout.test.ts
@@ -100,9 +100,9 @@ describe("anthropic first-event timeout retries", () => {
 		vi.spyOn(Messages.prototype, "stream").mockImplementation((_body, requestOptions) => {
 			attempt += 1;
 			const signal = (requestOptions as { signal?: AbortSignal } | undefined)?.signal;
-			return (attempt === 1
-				? createHangingAnthropicStream(signal)
-				: createSuccessfulAnthropicStream("retry recovered")) as never;
+			return (
+				attempt === 1 ? createHangingAnthropicStream(signal) : createSuccessfulAnthropicStream("retry recovered")
+			) as never;
 		});
 
 		const result = await streamAnthropic(model, context, { apiKey: "sk-ant-test" }).result();
diff --git a/packages/coding-agent/src/config/model-registry.ts b/packages/coding-agent/src/config/model-registry.ts
index d53ed3244..9099c51e2 100644
--- a/packages/coding-agent/src/config/model-registry.ts
+++ b/packages/coding-agent/src/config/model-registry.ts
@@ -31,7 +31,7 @@ import { type ConfigError, ConfigFile } from "../config";
 import { parseModelString } from "../config/model-resolver";
 import { isValidThemeColor, type ThemeColor } from "../modes/theme/theme";
 import type { AuthStorage, OAuthCredential } from "../session/auth-storage";
-import { settings, type Settings } from "./settings";
+import { type Settings, settings } from "./settings";
 
 export const kNoAuth = "N/A";
 
diff --git a/packages/coding-agent/src/patch/shared.ts b/packages/coding-agent/src/patch/shared.ts
index 0178629e8..1030c8117 100644
--- a/packages/coding-agent/src/patch/shared.ts
+++ b/packages/coding-agent/src/patch/shared.ts
@@ -21,7 +21,7 @@ import {
 	shortenPath,
 	truncateDiffByHunk,
 } from "../tools/render-utils";
-import { Ellipsis, Hasher, type RenderCache, renderStatusLine, truncateToWidth } from "../tui";
+import { Hasher, type RenderCache, renderStatusLine, truncateToWidth } from "../tui";
 import type { HashlineToolEdit } from "./index";
 import type { DiffError, DiffResult, Operation } from "./types";
 
@@ -242,7 +242,9 @@ function wrapEditRendererLine(line: string, width: number): string[] {
 	const continuationPrefix = `${" ".repeat(Math.max(0, prefixWidth - 1))}|`;
 	const wrappedContent = wrapTextWithAnsi(content, contentWidth);
 
-	return wrappedContent.map((segment, index) => `${startAnsi}${index === 0 ? prefix : continuationPrefix}${segment}\x1b[39m`);
+	return wrappedContent.map(
+		(segment, index) => `${startAnsi}${index === 0 ? prefix : continuationPrefix}${segment}\x1b[39m`,
+	);
 }
 
 export const editToolRenderer = {
@@ -379,7 +381,8 @@ export const editToolRenderer = {
 					);
 				}
 
-				const lines = width > 0 ? text.split("\n").flatMap(line => wrapEditRendererLine(line, width)) : text.split("\n");
+				const lines =
+					width > 0 ? text.split("\n").flatMap(line => wrapEditRendererLine(line, width)) : text.split("\n");
 				cached = { key, lines };
 				return lines;
 			},
diff --git a/packages/coding-agent/src/utils/title-generator.ts b/packages/coding-agent/src/utils/title-generator.ts
index 4b986640e..43743ee64 100644
--- a/packages/coding-agent/src/utils/title-generator.ts
+++ b/packages/coding-agent/src/utils/title-generator.ts
@@ -28,7 +28,6 @@ function getTitleModel(
 	const availableModels = registry.getAvailable();
 	if (availableModels.length === 0) return undefined;
 
-	const matchPreferences = { usageOrder: settings.getStorage()?.getModelUsageOrder() };
 	const titleModel = resolveRoleSelection(["commit", "smol"], settings, availableModels);
 	if (titleModel) {
 		return { model: titleModel.model, thinkingLevel: titleModel.thinkingLevel };