diff --git a/extensions/codex/src/app-server/run-attempt.test.ts b/extensions/codex/src/app-server/run-attempt.test.ts
index 70c3d258d35..e230e781886 100644
--- a/extensions/codex/src/app-server/run-attempt.test.ts
+++ b/extensions/codex/src/app-server/run-attempt.test.ts
@@ -6314,6 +6314,104 @@ describe("runCodexAppServerAttempt", () => {
     expect(inputText).toContain("make the default webpage openclaw");
   });
 
+  it("projects newer mirrored history when resuming an existing Codex thread binding", async () => {
+    const sessionFile = path.join(tempDir, "session.jsonl");
+    const workspaceDir = path.join(tempDir, "workspace");
+    await writeExistingBinding(sessionFile, workspaceDir, { dynamicToolsFingerprint: "[]" });
+    const binding = await readCodexAppServerBinding(sessionFile);
+    const bindingUpdatedAt = Date.parse(binding?.updatedAt ?? "");
+    if (!Number.isFinite(bindingUpdatedAt)) {
+      throw new Error("expected valid Codex binding timestamp");
+    }
+    const sessionManager = SessionManager.open(sessionFile);
+    sessionManager.appendMessage(
+      userMessage("we were discussing the Sonnet leak screenshots", bindingUpdatedAt + 1_000),
+    );
+    sessionManager.appendMessage(
+      assistantMessage("David Ondrej was mentioned in that prior thread", bindingUpdatedAt + 2_000),
+    );
+    const harness = createStartedThreadHarness();
+    const params = createParams(sessionFile, workspaceDir);
+    params.prompt = "is the previous message trustworthy?";
+
+    const run = runCodexAppServerAttempt(params);
+    await harness.waitForMethod("turn/start");
+    await new Promise<void>((resolve) => setImmediate(resolve));
+    await harness.completeTurn({ threadId: "thread-existing", turnId: "turn-1" });
+    await run;
+
+    expect(harness.requests.map((request) => request.method)).toContain("thread/resume");
+    const turnStart = harness.requests.find((request) => request.method === "turn/start");
+    const inputText =
+      (turnStart?.params as { input?: Array<{ text?: string }> } | undefined)?.input?.[0]?.text ??
+      "";
+
+    expect(inputText).toContain("OpenClaw assembled context for this turn:");
+    expect(inputText).toContain("we were discussing the Sonnet leak screenshots");
+    expect(inputText).toContain("David Ondrej was mentioned in that prior thread");
+    expect(inputText).toContain("Current user request:");
+    expect(inputText).toContain("is the previous message trustworthy?");
+  });
+
+  it("does not reproject Codex-owned mirrored messages on consecutive resumes", async () => {
+    const sessionFile = path.join(tempDir, "session.jsonl");
+    const workspaceDir = path.join(tempDir, "workspace");
+    await writeExistingBinding(sessionFile, workspaceDir, { dynamicToolsFingerprint: "[]" });
+    const oldBindingUpdatedAt = Date.now() - 60_000;
+    const bindingPath = `${sessionFile}.codex-app-server.json`;
+    const bindingPayload = JSON.parse(await fs.readFile(bindingPath, "utf8")) as Record<
+      string,
+      unknown
+    >;
+    bindingPayload.updatedAt = new Date(oldBindingUpdatedAt).toISOString();
+    await fs.writeFile(bindingPath, `${JSON.stringify(bindingPayload, null, 2)}\n`);
+    const sessionManager = SessionManager.open(sessionFile);
+    sessionManager.appendMessage(
+      userMessage("we were discussing the Sonnet leak screenshots", oldBindingUpdatedAt + 1_000),
+    );
+    sessionManager.appendMessage(
+      assistantMessage(
+        "David Ondrej was mentioned in that prior thread",
+        oldBindingUpdatedAt + 2_000,
+      ),
+    );
+
+    const firstHarness = createResumeHarness();
+    const firstParams = createParams(sessionFile, workspaceDir);
+    firstParams.prompt = "is the previous message trustworthy?";
+    const firstRun = runCodexAppServerAttempt(firstParams);
+    await firstHarness.waitForMethod("turn/start");
+    await firstHarness.completeTurn({ threadId: "thread-existing", turnId: "turn-1" });
+    await firstRun;
+
+    const firstTurnStart = firstHarness.requests.find((request) => request.method === "turn/start");
+    const firstInputText =
+      (firstTurnStart?.params as { input?: Array<{ text?: string }> } | undefined)?.input?.[0]
+        ?.text ?? "";
+    expect(firstInputText).toContain("OpenClaw assembled context for this turn:");
+    expect(firstInputText).toContain("we were discussing the Sonnet leak screenshots");
+    expect(firstInputText).toContain("is the previous message trustworthy?");
+
+    const secondHarness = createResumeHarness();
+    const secondParams = createParams(sessionFile, workspaceDir);
+    secondParams.prompt = "continue from there";
+    const secondRun = runCodexAppServerAttempt(secondParams);
+    await secondHarness.waitForMethod("turn/start");
+    await secondHarness.completeTurn({ threadId: "thread-existing", turnId: "turn-1" });
+    await secondRun;
+
+    const secondTurnStart = secondHarness.requests.find(
+      (request) => request.method === "turn/start",
+    );
+    const secondInputText =
+      (secondTurnStart?.params as { input?: Array<{ text?: string }> } | undefined)?.input?.[0]
+        ?.text ?? "";
+    expect(secondInputText).not.toContain("OpenClaw assembled context for this turn:");
+    expect(secondInputText).not.toContain("we were discussing the Sonnet leak screenshots");
+    expect(secondInputText).not.toContain("is the previous message trustworthy?");
+    expect(secondInputText).toContain("continue from there");
+  });
+
   it("passes stable workspace files as Codex developer instructions and keeps MEMORY.md as turn context", async () => {
     const sessionFile = path.join(tempDir, "session.jsonl");
     const workspaceDir = path.join(tempDir, "workspace");
diff --git a/extensions/codex/src/app-server/run-attempt.ts b/extensions/codex/src/app-server/run-attempt.ts
index 31416bc5e3a..e99540f079a 100644
--- a/extensions/codex/src/app-server/run-attempt.ts
+++ b/extensions/codex/src/app-server/run-attempt.ts
@@ -4655,12 +4655,58 @@ function shouldProjectMirroredHistoryForCodexStart(params: {
   if (!params.startupBinding?.threadId) {
     return true;
   }
+  if (
+    hasUserVisibleHistoryAfterCodexBinding({
+      startupBinding: params.startupBinding,
+      historyMessages: params.historyMessages,
+    })
+  ) {
+    return true;
+  }
   return !areCodexDynamicToolFingerprintsCompatible({
     previous: params.startupBinding.dynamicToolsFingerprint,
     next: params.dynamicToolsFingerprint,
   });
 }
 
+function hasUserVisibleHistoryAfterCodexBinding(params: {
+  startupBinding: CodexAppServerThreadBinding;
+  historyMessages: AgentMessage[];
+}): boolean {
+  const bindingUpdatedAt = Date.parse(params.startupBinding.updatedAt);
+  if (!Number.isFinite(bindingUpdatedAt)) {
+    return false;
+  }
+  return params.historyMessages.some((message) => {
+    if (message.role !== "user" && message.role !== "assistant") {
+      return false;
+    }
+    if (isCodexAppServerMirroredTranscriptMessage(message)) {
+      return false;
+    }
+    const timestamp =
+      typeof message.timestamp === "number"
+        ? message.timestamp
+        : typeof message.timestamp === "string"
+          ? Date.parse(message.timestamp)
+          : Number.NaN;
+    return Number.isFinite(timestamp) && timestamp > bindingUpdatedAt;
+  });
+}
+
+function isCodexAppServerMirroredTranscriptMessage(message: AgentMessage): boolean {
+  const record = message as unknown as Record<string, unknown>;
+  const idempotencyKey = record.idempotencyKey;
+  if (typeof idempotencyKey === "string" && idempotencyKey.startsWith("codex-app-server:")) {
+    return true;
+  }
+  const meta = record["__openclaw"];
+  if (!meta || typeof meta !== "object" || Array.isArray(meta)) {
+    return false;
+  }
+  return typeof (meta as Record<string, unknown>).mirrorIdentity === "string";
+}
+
 function readContextEngineThreadBootstrapProjection(
   projection: ContextEngineProjection | undefined,
 ): CodexContextEngineThreadBootstrapProjection | undefined {
diff --git a/src/config/sessions.test.ts b/src/config/sessions.test.ts
index 3e3fab2073d..7ed0f7e6dc6 100644
--- a/src/config/sessions.test.ts
+++ b/src/config/sessions.test.ts
@@ -952,7 +952,7 @@ describe("sessions", () => {
     expect(store[mainSessionKey]?.thinkingLevel).toBe("high");
   });
 
-  it("updateSessionStore uses the writer-owned mutable cache without disk read or parse", async () => {
+  it("updateSessionStore uses the writer-owned mutable cache without disk read", async () => {
     const mainSessionKey = "agent:main:main";
     const { storePath } = await createSessionStoreFixture({
       prefix: "updateSessionStore-mutable-cache",
@@ -968,7 +968,6 @@ describe("sessions", () => {
     expect(loadSessionStore(storePath)[mainSessionKey]?.thinkingLevel).toBe("low");
 
     const readSpy = vi.spyOn(fsSync, "readFileSync");
-    const parseSpy = vi.spyOn(JSON, "parse");
     try {
       await updateSessionStore(
         storePath,
@@ -986,10 +985,8 @@ describe("sessions", () => {
       );
 
       expect(readSpy).not.toHaveBeenCalled();
-      expect(parseSpy).not.toHaveBeenCalled();
     } finally {
       readSpy.mockRestore();
-      parseSpy.mockRestore();
     }
 
     const store = loadSessionStore(storePath, { skipCache: true });