diff --git a/extensions/codex/src/app-server/run-attempt.test.ts b/extensions/codex/src/app-server/run-attempt.test.ts
index 20169650a85..322a49086a4 100644
--- a/extensions/codex/src/app-server/run-attempt.test.ts
+++ b/extensions/codex/src/app-server/run-attempt.test.ts
@@ -1604,6 +1604,8 @@ describe("runCodexAppServerAttempt", () => {
       path.join(tempDir, "workspace"),
     );
     params.timeoutMs = 100;
+    const onRunProgress = vi.fn();
+    params.onRunProgress = onRunProgress;
 
     const run = runCodexAppServerAttempt(params, {
       turnCompletionIdleTimeoutMs: 300,
@@ -1649,6 +1651,11 @@ describe("runCodexAppServerAttempt", () => {
     expect(result.timedOut).toBe(false);
     expect(result.promptError).toBeNull();
     expect(harness.request.mock.calls.some(([method]) => method === "turn/interrupt")).toBe(false);
+    const progressReasons = onRunProgress.mock.calls.map(([info]) => info.reason);
+    expect(progressReasons).toContain("turn:start");
+    expect(
+      progressReasons.filter((reason) => reason === "notification:rawResponseItem/completed"),
+    ).toHaveLength(2);
   });
 
   it("does not count non-turn app-server requests as turn attempt progress", async () => {
@@ -1659,6 +1666,8 @@ describe("runCodexAppServerAttempt", () => {
       path.join(tempDir, "workspace"),
     );
     params.timeoutMs = 100;
+    const onRunProgress = vi.fn();
+    params.onRunProgress = onRunProgress;
 
     const run = runCodexAppServerAttempt(params, {
       turnCompletionIdleTimeoutMs: 500,
@@ -1689,6 +1698,7 @@ describe("runCodexAppServerAttempt", () => {
     expect(warnData?.timeoutMs).toBe(100);
     expect(warnData?.lastActivityReason).toBe("turn:start");
     expect(harness.request.mock.calls.some(([method]) => method === "turn/interrupt")).toBe(true);
+    expect(onRunProgress.mock.calls.map(([info]) => info.reason)).toEqual(["turn:start"]);
   });
 
   it("keeps the turn attempt timeout armed while non-turn requests are pending", async () => {
diff --git a/extensions/codex/src/app-server/run-attempt.ts b/extensions/codex/src/app-server/run-attempt.ts
index 8147daa340e..5335153dc47 100644
--- a/extensions/codex/src/app-server/run-attempt.ts
+++ b/extensions/codex/src/app-server/run-attempt.ts
@@ -1353,6 +1353,12 @@ export async function runCodexAppServerAttempt(
       turnAttemptLastProgressReason = reason;
       turnAttemptLastProgressDetails = options.details;
       renewNativeHookRelayForTurnProgress();
+      params.onRunProgress?.({
+        reason,
+        provider: params.provider,
+        model: params.modelId,
+        backend: "codex-app-server",
+      });
     }
     emitTrustedDiagnosticEvent({
       type: "run.progress",
diff --git a/src/agents/pi-embedded-runner/run.ts b/src/agents/pi-embedded-runner/run.ts
index d34c0ae6374..8675842fb63 100644
--- a/src/agents/pi-embedded-runner/run.ts
+++ b/src/agents/pi-embedded-runner/run.ts
@@ -379,8 +379,18 @@ export async function runEmbeddedPiAgent(
   const sessionLane = resolveSessionLane(params.sessionKey?.trim() || params.sessionId);
   const globalLane = resolveGlobalLane(params.lane);
   const laneTaskTimeoutMs = resolveEmbeddedRunLaneTimeoutMs(params.timeoutMs);
+  let laneTaskProgressAtMs = Date.now();
+  const noteLaneTaskProgress = () => {
+    laneTaskProgressAtMs = Date.now();
+  };
   const withLaneTimeout = (opts?: CommandQueueEnqueueOptions) =>
-    withEmbeddedRunLaneTimeout(opts, laneTaskTimeoutMs);
+    withEmbeddedRunLaneTimeout(
+      {
+        ...opts,
+        taskTimeoutProgressAtMs: () => laneTaskProgressAtMs,
+      },
+      laneTaskTimeoutMs,
+    );
   const enqueueGlobal = <T>(task: () => Promise<T>, opts?: CommandQueueEnqueueOptions) =>
     params.enqueue
       ? params.enqueue(task, withLaneTimeout(opts))
@@ -429,8 +439,15 @@ export async function runEmbeddedPiAgent(
           "phase"
         >,
       ) => {
+        noteLaneTaskProgress();
         params.onExecutionPhase?.({ phase, ...extra });
       };
+      const notifyRunProgress = (
+        info: Parameters<NonNullable<RunEmbeddedPiAgentParams["onRunProgress"]>>[0],
+      ) => {
+        noteLaneTaskProgress();
+        params.onRunProgress?.(info);
+      };
       const emitStartupStageSummary = (phase: string) => {
         const summary = startupStages.snapshot();
         const shouldWarn = shouldWarnEmbeddedRunStageSummary(summary);
@@ -1370,6 +1387,7 @@ export async function runEmbeddedPiAgent(
             legacyBeforeAgentStartResult,
             thinkLevel,
             onToolOutcome: observePostCompactionToolOutcome,
+            onRunProgress: notifyRunProgress,
             fastMode: params.fastMode,
             verboseLevel: params.verboseLevel,
             reasoningLevel: params.reasoningLevel,
diff --git a/src/agents/pi-embedded-runner/run/params.ts b/src/agents/pi-embedded-runner/run/params.ts
index 024e0abf7f2..26642839b07 100644
--- a/src/agents/pi-embedded-runner/run/params.ts
+++ b/src/agents/pi-embedded-runner/run/params.ts
@@ -177,6 +177,12 @@ export type RunEmbeddedPiAgentParams = {
     itemId?: string;
     firstModelCallStarted?: boolean;
   }) => void;
+  onRunProgress?: (info: {
+    reason: string;
+    provider?: string;
+    model?: string;
+    backend?: string;
+  }) => void;
   replyOperation?: ReplyOperation;
   shouldEmitToolResult?: () => boolean;
   shouldEmitToolOutput?: () => boolean;
diff --git a/src/process/command-queue.test.ts b/src/process/command-queue.test.ts
index 93f1203c8ff..756f8ec8eaa 100644
--- a/src/process/command-queue.test.ts
+++ b/src/process/command-queue.test.ts
@@ -391,6 +391,72 @@ describe("command queue", () => {
     }
   });
 
+  it("task timeout renews from progress timestamps", async () => {
+    const lane = `timeout-progress-lane-${Date.now()}-${Math.random().toString(16).slice(2)}`;
+    setCommandLaneConcurrency(lane, 1);
+
+    vi.useFakeTimers();
+    try {
+      let progressAtMs = Date.now();
+      const blocker = createDeferred();
+      const first = enqueueCommandInLane(
+        lane,
+        async () => {
+          await blocker.promise;
+          return "first";
+        },
+        {
+          taskTimeoutMs: 25,
+          taskTimeoutProgressAtMs: () => progressAtMs,
+        },
+      );
+      let secondRan = false;
+      const second = enqueueCommandInLane(lane, async () => {
+        secondRan = true;
+        return "second";
+      });
+
+      await vi.advanceTimersByTimeAsync(20);
+      progressAtMs = Date.now();
+      await vi.advanceTimersByTimeAsync(20);
+      expect(secondRan).toBe(false);
+
+      blocker.resolve();
+      await expect(first).resolves.toBe("first");
+      await expect(second).resolves.toBe("second");
+      expect(secondRan).toBe(true);
+    } finally {
+      vi.useRealTimers();
+    }
+  });
+
+  it("task timeout falls back when progress timestamp callback throws", async () => {
+    const lane = `timeout-progress-throw-lane-${Date.now()}-${Math.random().toString(16).slice(2)}`;
+    setCommandLaneConcurrency(lane, 1);
+
+    vi.useFakeTimers();
+    try {
+      const first = enqueueCommandInLane(lane, async () => new Promise<never>(() => {}), {
+        taskTimeoutMs: 25,
+        taskTimeoutProgressAtMs: () => {
+          throw new Error("progress failed");
+        },
+      });
+      const firstRejected = expect(first).rejects.toBeInstanceOf(CommandLaneTaskTimeoutError);
+
+      await vi.advanceTimersByTimeAsync(25);
+      await firstRejected;
+
+      expect(
+        diagnosticMocks.diag.warn.mock.calls.some(([message]) =>
+          String(message).includes("lane task timeout progress callback failed"),
+        ),
+      ).toBe(true);
+    } finally {
+      vi.useRealTimers();
+    }
+  });
+
   it("keeps work queued while a lane has zero concurrency and drains after resume", async () => {
     const lane = `suspended-lane-${Date.now()}-${Math.random().toString(16).slice(2)}`;
     setCommandLaneConcurrency(lane, 0);
diff --git a/src/process/command-queue.ts b/src/process/command-queue.ts
index 1e3255e706a..41a86340bf8 100644
--- a/src/process/command-queue.ts
+++ b/src/process/command-queue.ts
@@ -63,6 +63,7 @@ type QueueEntry = {
   enqueuedAt: number;
   warnAfterMs: number;
   taskTimeoutMs?: number;
+  taskTimeoutProgressAtMs?: () => number | undefined;
   onWait?: (waitMs: number, queuedAhead: number) => void;
 };
 
@@ -210,14 +211,33 @@ async function runQueueEntryTask(lane: string, entry: QueueEntry): Promise<unkno
     return await taskPromise;
   }
 
+  const startedAtMs = Date.now();
+  const readLastProgressAtMs = () => {
+    let value: number | undefined;
+    try {
+      value = entry.taskTimeoutProgressAtMs?.();
+    } catch (err) {
+      diag.warn(`lane task timeout progress callback failed: lane=${lane} error="${String(err)}"`);
+    }
+    return typeof value === "number" && Number.isFinite(value) && value > 0
+      ? Math.max(startedAtMs, Math.floor(value))
+      : startedAtMs;
+  };
   let timeoutHandle: ReturnType<typeof setTimeout> | undefined;
   let timedOut = false;
   const timeoutPromise = new Promise<never>((_, reject) => {
-    timeoutHandle = setTimeout(() => {
-      timedOut = true;
-      reject(new CommandLaneTaskTimeoutError(lane, taskTimeoutMs));
-    }, taskTimeoutMs);
-    timeoutHandle.unref?.();
+    const armTimeout = () => {
+      const elapsedMs = Math.max(0, Date.now() - readLastProgressAtMs());
+      const remainingMs = taskTimeoutMs - elapsedMs;
+      if (remainingMs <= 0) {
+        timedOut = true;
+        reject(new CommandLaneTaskTimeoutError(lane, taskTimeoutMs));
+        return;
+      }
+      timeoutHandle = setTimeout(armTimeout, remainingMs);
+      timeoutHandle.unref?.();
+    };
+    armTimeout();
   });
 
   try {
@@ -349,6 +369,7 @@ export function enqueueCommandInLane<T>(
       enqueuedAt: Date.now(),
       warnAfterMs,
       taskTimeoutMs: normalizeTaskTimeoutMs(opts?.taskTimeoutMs),
+      taskTimeoutProgressAtMs: opts?.taskTimeoutProgressAtMs,
       onWait: opts?.onWait,
     });
     logLaneEnqueue(cleaned, getLaneDepth(state));
diff --git a/src/process/command-queue.types.ts b/src/process/command-queue.types.ts
index 2e6e6d450c9..4faa427aa2d 100644
--- a/src/process/command-queue.types.ts
+++ b/src/process/command-queue.types.ts
@@ -2,6 +2,7 @@ export type CommandQueueEnqueueOptions = {
   warnAfterMs?: number;
   onWait?: (waitMs: number, queuedAhead: number) => void;
   taskTimeoutMs?: number;
+  taskTimeoutProgressAtMs?: () => number | undefined;
 };
 
 export type CommandQueueEnqueueFn = <T>(