From d1404014d97fdaec9f023f7480afcbeba04bf374 Mon Sep 17 00:00:00 2001
From: Vincent Koc <vincentkoc@ieee.org>
Date: Sun, 22 Mar 2026 18:28:55 -0700
Subject: [PATCH] perf(reply): split runner auth profile seam

---
 .../reply/agent-runner-auth-profile.ts        | 24 ++++++++++++++++
 src/auto-reply/reply/agent-runner-utils.ts    | 28 ++++---------------
 src/auto-reply/reply/followup-runner.ts       |  2 +-
 3 files changed, 30 insertions(+), 24 deletions(-)
 create mode 100644 src/auto-reply/reply/agent-runner-auth-profile.ts

diff --git a/src/auto-reply/reply/agent-runner-auth-profile.ts b/src/auto-reply/reply/agent-runner-auth-profile.ts
new file mode 100644
index 00000000000..87bb9cc2c9c
--- /dev/null
+++ b/src/auto-reply/reply/agent-runner-auth-profile.ts
@@ -0,0 +1,24 @@
+import type { FollowupRun } from "./queue.js";
+
+export function resolveProviderScopedAuthProfile(params: {
+  provider: string;
+  primaryProvider: string;
+  authProfileId?: string;
+  authProfileIdSource?: "auto" | "user";
+}): { authProfileId?: string; authProfileIdSource?: "auto" | "user" } {
+  const authProfileId =
+    params.provider === params.primaryProvider ? params.authProfileId : undefined;
+  return {
+    authProfileId,
+    authProfileIdSource: authProfileId ? params.authProfileIdSource : undefined,
+  };
+}
+
+export function resolveRunAuthProfile(run: FollowupRun["run"], provider: string) {
+  return resolveProviderScopedAuthProfile({
+    provider,
+    primaryProvider: run.provider,
+    authProfileId: run.authProfileId,
+    authProfileIdSource: run.authProfileIdSource,
+  });
+}
diff --git a/src/auto-reply/reply/agent-runner-utils.ts b/src/auto-reply/reply/agent-runner-utils.ts
index abf6322a287..91583a49124 100644
--- a/src/auto-reply/reply/agent-runner-utils.ts
+++ b/src/auto-reply/reply/agent-runner-utils.ts
@@ -8,6 +8,11 @@ import { isReasoningTagProvider } from "../../utils/provider-utils.js";
 import { estimateUsageCost, formatTokenCount, formatUsd } from "../../utils/usage-format.js";
 import type { TemplateContext } from "../templating.js";
 import type { ReplyPayload } from "../types.js";
+import {
+  resolveProviderScopedAuthProfile,
+  resolveRunAuthProfile,
+} from "./agent-runner-auth-profile.js";
+export { resolveProviderScopedAuthProfile, resolveRunAuthProfile };
 import { resolveOriginMessageProvider, resolveOriginMessageTo } from "./origin-routing.js";
 import type { FollowupRun } from "./queue.js";
 
@@ -237,15 +242,6 @@ export function buildTemplateSenderContext(sessionCtx: TemplateContext) {
   };
 }
 
-export function resolveRunAuthProfile(run: FollowupRun["run"], provider: string) {
-  return resolveProviderScopedAuthProfile({
-    provider,
-    primaryProvider: run.provider,
-    authProfileId: run.authProfileId,
-    authProfileIdSource: run.authProfileIdSource,
-  });
-}
-
 export function buildEmbeddedRunContexts(params: {
   run: FollowupRun["run"];
   sessionCtx: TemplateContext;
@@ -287,17 +283,3 @@ export function buildEmbeddedRunExecutionParams(params: {
     runBaseParams,
   };
 }
-
-export function resolveProviderScopedAuthProfile(params: {
-  provider: string;
-  primaryProvider: string;
-  authProfileId?: string;
-  authProfileIdSource?: "auto" | "user";
-}): { authProfileId?: string; authProfileIdSource?: "auto" | "user" } {
-  const authProfileId =
-    params.provider === params.primaryProvider ? params.authProfileId : undefined;
-  return {
-    authProfileId,
-    authProfileIdSource: authProfileId ? params.authProfileIdSource : undefined,
-  };
-}
diff --git a/src/auto-reply/reply/followup-runner.ts b/src/auto-reply/reply/followup-runner.ts
index a8e9072ff92..d7d0cb22345 100644
--- a/src/auto-reply/reply/followup-runner.ts
+++ b/src/auto-reply/reply/followup-runner.ts
@@ -19,7 +19,7 @@ import { stripHeartbeatToken } from "../heartbeat.js";
 import type { OriginatingChannelType } from "../templating.js";
 import { isSilentReplyText, SILENT_REPLY_TOKEN } from "../tokens.js";
 import type { GetReplyOptions, ReplyPayload } from "../types.js";
-import { resolveRunAuthProfile } from "./agent-runner-utils.js";
+import { resolveRunAuthProfile } from "./agent-runner-auth-profile.js";
 import {
   resolveOriginAccountId,
   resolveOriginMessageProvider,