diff --git a/open-sse/handlers/chatCore.ts b/open-sse/handlers/chatCore.ts
index f9ffe5b34b..b2969d2cf6 100644
--- a/open-sse/handlers/chatCore.ts
+++ b/open-sse/handlers/chatCore.ts
@@ -207,7 +207,6 @@ import { stageTrace } from "./chatCore/stageTrace.ts";
 import { attachCompressionUsageReceiptAfterAnalytics as attachCompressionUsageReceiptAfterAnalyticsFor } from "./chatCore/compressionUsageReceipt.ts";
 import { prepareUpstreamBody } from "./chatCore/upstreamBody.ts";
 import { getQuotaScopeLabelForProvider } from "../services/antigravityQuotaFamily.ts";
-
 import {
   getCallLogPipelineCaptureStreamChunks,
   getCallLogPipelineMaxSizeBytes,
@@ -367,9 +366,7 @@ import {
   isTpmExhausted,
   isRpmExhausted,
 } from "../services/geminiRateLimitTracker.ts";
-
 import { isSmallEnoughForSemanticCache } from "../utils/estimateSize.ts";
-
 /**
  * Core chat handler - shared between SSE and Worker
  * Returns { success, response, status, error } for caller to handle fallback
@@ -389,7 +386,6 @@ import { isSmallEnoughForSemanticCache } from "../utils/estimateSize.ts";
  * @param {boolean} options.isCombo - Whether this request is from a combo
  * @param {string} options.connectionId - Connection ID for settings lookup
  */
-
 // extractSystemRoleMessages extracted to chatCore/claudeSystemRole.ts (#3501); re-exported above so
 // existing importers (e.g. tests/unit/system-role-extraction.test.ts) keep resolving it from here.
 export async function handleChatCore({
@@ -427,7 +423,6 @@ export async function handleChatCore({
       /* fail open */
     }
   }
-
   // Per-request model-routing metadata (first extracted slice of the request-setup phase).
   const { apiFormat, customModelTargetFormat, requestedModel } = resolveChatCoreRequestSetup(
     modelInfo,
@@ -441,7 +436,6 @@ export async function handleChatCore({
   // (not Math.random) purely to satisfy CodeQL js/insecure-randomness — this id
   // is a log-correlation token, not a security secret.
   const traceId = globalThis.crypto.randomUUID().slice(0, 6);
-
   // Emit request.started event for real-time dashboard
   setImmediate(() => {
     emit("request.started", {
@@ -525,7 +519,6 @@ export async function handleChatCore({
       `long-running goal mode enabled: readinessMax=${agentGoalPolicy.readinessMaxTimeoutMs}ms streamRecovery=${agentGoalPolicy.streamRecoveryEnabled}`
     );
   }
-
   let effectiveServiceTier: EffectiveServiceTier = "standard";
   // Codex service-tier resolvers extracted to chatCore/serviceTier.ts (#3501); bind the per-request
   // provider/credentials once and delegate so the existing call sites stay byte-identical.
@@ -554,7 +547,6 @@ export async function handleChatCore({
       })
     ).catch(() => {});
   };
-
   // Key-health updater extracted to chatCore/keyHealth.ts (#3501); bind the per-request log once
   // and delegate so the existing call sites stay byte-identical.
   const recordKeyHealthStatus = (
@@ -562,7 +554,6 @@ export async function handleChatCore({
     creds: Record<string, unknown> | null | undefined,
     transport?: string
   ): void => recordKeyHealthStatusFor(status, creds, log, transport);
-
   const persistCodexQuotaState = async (headers: Record<string, string> | null, status = 0) => {
     const currentConnectionId = getCurrentConnectionId();
     if (provider !== "codex" || !currentConnectionId || !headers) return;