diff --git a/.github/workflows/staging-launchable-full.yaml b/.github/workflows/staging-launchable-full.yaml
index 13a4ad8d418..78cbc9b4ae9 100644
--- a/.github/workflows/staging-launchable-full.yaml
+++ b/.github/workflows/staging-launchable-full.yaml
@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
-name: E2E / Staging Launchable Control Plane
+name: E2E / Staging Launchable Remote Execution
 
 on:
   workflow_dispatch:
@@ -17,7 +17,7 @@ jobs:
   test:
     if: ${{ github.repository == 'NVIDIA/NemoClaw' && github.ref == 'refs/heads/main' && github.event_name == 'workflow_dispatch' }}
     runs-on: ubuntu-latest
-    timeout-minutes: 90
+    timeout-minutes: 175
     steps:
       - name: Check out trusted Vitest controller
         timeout-minutes: 10
@@ -88,8 +88,8 @@ jobs:
           brev login --api-key "$BREV_API_KEY" --org-id "$BREV_ORG_ID"
           printf 'work_dir=%s\n' "$work_dir" >>"$GITHUB_OUTPUT"
 
-      - name: Verify staging Launchable control-plane checkpoint
-        timeout-minutes: 60
+      - name: Verify staging Launchable remote execution readiness
+        timeout-minutes: 75
         env:
           BREV_LAUNCHABLE_ID: ${{ vars.NEMOCLAW_STAGING_LAUNCHABLE_ID }}
           BREV_WORKSPACE_OWNERSHIP_FILE: ${{ steps.prepare.outputs.work_dir }}/workspace-owner.json
@@ -127,5 +127,5 @@ jobs:
         timeout-minutes: 10
         uses: NVIDIA/NemoClaw/.github/actions/upload-e2e-artifacts@7768e15eb90d3ee2d33432f481dfe8747e4f6d57
         with:
-          name: staging-launchable-control-plane-${{ github.run_id }}-${{ github.run_attempt }}
+          name: staging-launchable-remote-execution-${{ github.run_id }}-${{ github.run_attempt }}
           path: ${{ steps.prepare.outputs.work_dir }}/
diff --git a/test/e2e/RETRY_INVENTORY.md b/test/e2e/RETRY_INVENTORY.md
index 16a269c5c9b..90d191a4c8b 100644
--- a/test/e2e/RETRY_INVENTORY.md
+++ b/test/e2e/RETRY_INVENTORY.md
@@ -7,3 +7,4 @@
 | --- | --- | --- | --- | --- | --- |
 | `external-gateway-health.tcp-readiness` | `openshell-gateway` | 10 attempts, one second apart | The newly started gateway listener rejects a TCP connection with `ECONNREFUSED` | The probe is read-only. Other errors stop without retry. The Blueprint Runner health operation runs once after the listener opens. | `external-gateway-readiness-retry.json` |
 | `mcp-bridge.tool-discovery` | `test/e2e/live/mcp-bridge-tool-discovery.ts` | 2 attempts, one second apart | Discovery reports `failureClass: connection` before any request reaches the fixture | The operation lists tools without calling them. Any fixture request or other failure class stops the retry. | First-attempt and `retry-2` command artifacts plus `*-mcp-tool-discovery-diagnostics.json` |
+| `staging-launchable.remote-execution-readiness` | `test/e2e/fixtures/brev-launchable.ts` | 15 minutes, 15 seconds between attempts, 30 seconds per attempt | `brev exec <owned-workspace-id> true` returns a nonzero exit, signal, or timeout while the newly created workspace becomes remotely reachable | The probe is read-only and idempotent. Each attempt first verifies the persisted owned ID still matches the exact-name workspace inventory. | `brev-exec-readiness-failure.json` records the attempt count and final size-bounded, redacted diagnostic on timeout. |
diff --git a/test/e2e/live/issue-9880-staging-launchable.test.ts b/test/e2e/live/issue-9880-staging-launchable.test.ts
index e9a6b1e8505..3174e93bbd0 100644
--- a/test/e2e/live/issue-9880-staging-launchable.test.ts
+++ b/test/e2e/live/issue-9880-staging-launchable.test.ts
@@ -7,18 +7,19 @@ import { ISSUE_9880_STAGING_LAUNCHABLE_CLEANUP_TIMEOUT_MS } from "../../../tools
 import { BrevLaunchableFixture } from "../fixtures/brev-launchable.ts";
 import { test } from "../fixtures/e2e-test.ts";
 
-const CONTROL_PLANE_TEST_TIMEOUT_MS = 45 * 60_000;
+const REMOTE_EXECUTION_READINESS_TEST_TIMEOUT_MS = 60 * 60_000;
 
 test(
-  "creates the staging Launchable workspace and records its control-plane identity",
+  "creates the staging Launchable workspace and proves remote execution readiness",
   {
-    timeout: CONTROL_PLANE_TEST_TIMEOUT_MS,
+    timeout: REMOTE_EXECUTION_READINESS_TEST_TIMEOUT_MS,
     meta: {
       e2eCleanupTimeoutMs: ISSUE_9880_STAGING_LAUNCHABLE_CLEANUP_TIMEOUT_MS,
       e2ePhases: [
         "resolve the latest staging handoff",
         "create the staging workspace",
-        "record the control-plane checkpoint",
+        "prove remote execution readiness",
+        "record remote execution readiness",
       ],
     },
   },
@@ -33,19 +34,23 @@ test(
     cleanup.add(`delete Brev workspace ${name}`, () => brevLaunchable.delete(ownership));
     const workspace = await brevLaunchable.create(ownership, launchableId);
 
-    progress.phase("record the control-plane checkpoint");
-    await artifacts.writeJson("staging-launchable-control-plane-checkpoint.json", {
+    progress.phase("prove remote execution readiness");
+    await brevLaunchable.waitForExec(ownership);
+
+    progress.phase("record remote execution readiness");
+    await artifacts.writeJson("staging-launchable-remote-execution-readiness.json", {
       bootImage: handoff.bootImage,
       candidateSha: handoff.nemoclawSha,
       imageRepositorySha: handoff.imageRepositorySha,
       launchableId,
       producerRunId: handoff.producerRunId,
+      remoteExecutionReady: true,
       workspaceId: workspace.id,
       workspaceName: workspace.name,
     });
     await artifacts.target.complete({
       id: "staging-launchable-full",
-      classification: "control-plane-checkpoint-passed",
+      classification: "remote-execution-ready",
     });
   },
 );
diff --git a/test/e2e/support/brev-launchable-fixture.test.ts b/test/e2e/support/brev-launchable-fixture.test.ts
index 0ba795ad06a..784916b3ce8 100644
--- a/test/e2e/support/brev-launchable-fixture.test.ts
+++ b/test/e2e/support/brev-launchable-fixture.test.ts
@@ -300,6 +300,35 @@ describe("the Brev Launchable fixture binds staging identity and workspace lifec
     expect(ownership.id).toBe("owned-id");
   });
 
+  it("proves Brev exec readiness after bounded failed probes", async () => {
+    vi.useFakeTimers();
+    const root = temporaryRoot();
+    let attempts = 0;
+    const command = vi.fn(async (_binary: string, args: string[]) => {
+      switch (args[0]) {
+        case "ls":
+          return workspaceResult("owned-id");
+        case "exec":
+          attempts += 1;
+          return { ...result(""), exitCode: attempts < 3 ? 1 : 0 };
+        default:
+          throw new Error(`unexpected command: ${args.join(" ")}`);
+      }
+    });
+    const fixture = createFixture(root, command);
+
+    const readiness = fixture.waitForExec(recordedOwnership(), 100);
+    await vi.runAllTimersAsync();
+    await expect(readiness).resolves.toBeUndefined();
+
+    expect(command.mock.calls.filter((call) => call[1][0] === "exec")).toEqual([
+      ["brev", ["exec", "owned-id", "true"], expect.any(Object)],
+      ["brev", ["exec", "owned-id", "true"], expect.any(Object)],
+      ["brev", ["exec", "owned-id", "true"], expect.any(Object)],
+    ]);
+    expect(fs.existsSync(path.join(root, "brev-exec-readiness-failure.json"))).toBe(false);
+  });
+
   it("records the last failed Brev exec readiness attempt", async () => {
     vi.useFakeTimers();
     const root = temporaryRoot();