From beb834cc51816badecb88feb04f24a1845880932 Mon Sep 17 00:00:00 2001
From: Dotta <bippadotta@protonmail.com>
Date: Sat, 7 Nov 2026 12:21:45 -0600
Subject: [PATCH] Revert "fix(runner): name the local app-server process in
 Codex session start"

This reverts commit da140226552c6983c7516139a125b7583f02fb8a.
---
 .../codex/codex-app-server-driver.lifecycle.test.ts   | 11 -----------
 .../src/drivers/codex/codex-session-state.ts          |  8 --------
 2 files changed, 19 deletions(-)

diff --git a/packages/paperclip-runner/src/drivers/codex/codex-app-server-driver.lifecycle.test.ts b/packages/paperclip-runner/src/drivers/codex/codex-app-server-driver.lifecycle.test.ts
index 4bc5843d8ce..62e97dc75e4 100644
--- a/packages/paperclip-runner/src/drivers/codex/codex-app-server-driver.lifecycle.test.ts
+++ b/packages/paperclip-runner/src/drivers/codex/codex-app-server-driver.lifecycle.test.ts
@@ -311,17 +311,6 @@ describe("Codex app-server Codex driver", () => {
     expect(transport.calls[0]?.method).toBe("initialize");
   });
 
-  it("names the local app-server process in session.started for the control plane's stop proof", async () => {
-    const transport = new FakeCodexTransport();
-    Object.assign(transport, {
-      processInfo: () => ({ pid: process.pid, processGroupId: null, startedAt: "2026-08-18T18:00:00.000Z", exited: false, exitCode: null, signal: null }),
-    });
-    const session = await makeDriver([transport]).openSession({ runId: "run-identity", normalizedSessionId: "normalized-identity", workingDirectory: WORKSPACE });
-    const started = await session.events()[Symbol.asyncIterator]().next();
-    expect(started.value).toMatchObject({ eventType: "session.started",
-      payload: { processId: process.pid, processGroupId: null, processStartedAt: expect.stringMatching(/^\d{4}-\d{2}-\d{2}T/) } });
-  });
-
   it("persists process ownership after a lazy transport launches during session open", async () => {
     const transport = new FakeCodexTransport();
     Object.assign(transport, {
diff --git a/packages/paperclip-runner/src/drivers/codex/codex-session-state.ts b/packages/paperclip-runner/src/drivers/codex/codex-session-state.ts
index 2f7c4cc366d..7e9e9cf862e 100644
--- a/packages/paperclip-runner/src/drivers/codex/codex-session-state.ts
+++ b/packages/paperclip-runner/src/drivers/codex/codex-session-state.ts
@@ -1,5 +1,4 @@
 import { type CodexUsageBaseline, codexRunUsage } from "./codex-usage-baseline.js";
-import { readLocalProcessStartedAt } from "../../live/linux-process-start.js";
 import type { ProviderRateLimitSnapshot } from "../provider-rate-limits.js";
 import { workspaceRootsFor } from "../../tool-file-changes.js";
 import type {
@@ -627,16 +626,9 @@ export function initializeCodexSessionEvents(
   state: CodexSessionState,
   input: CodexSessionStateInput,
 ): void {
-    // Name the local app-server process (Codex, or the OpenCode proxy that owns `opencode serve`
-    // in its process group) so the control plane's stop proof can verify that exact process exited.
-    const processInfo = state.transport.processInfo?.();
-    const processIdentity = processInfo && !processInfo.exited && processInfo.pid !== null
-      ? { processId: processInfo.pid, processGroupId: processInfo.processGroupId, processStartedAt: readLocalProcessStartedAt(processInfo.pid) }
-      : {};
     state.emit(input.resumed ? "session.resumed" : "session.started", {
       driverSessionId: input.opened.threadId,
       providerSessionId: input.opened.providerSessionId,
-      ...processIdentity,
       context: input.opened.context,
     });
     state.emitGoalCapabilities();