diff --git a/src/renderer/src/runtime/close-mirrored-editor-tab.test.ts b/src/renderer/src/runtime/close-mirrored-editor-tab.test.ts
index f95591eb49c..bc4e045e477 100644
--- a/src/renderer/src/runtime/close-mirrored-editor-tab.test.ts
+++ b/src/renderer/src/runtime/close-mirrored-editor-tab.test.ts
@@ -46,7 +46,9 @@ describe('notifyHostOfMirroredEditorClose', () => {
     // host snapshot in the dynamic-import gap can't flash the old-path tab back.
     notifyHostOfMirroredEditorClose(buildState(), 'wt-1', 'file-1')
 
-    expect(isWebSessionCloseIntentPending('wt-1', toHostSessionTabId('host-tab-1'), now)).toBe(true)
+    expect(
+      isWebSessionCloseIntentPending('env-1', 'wt-1', toHostSessionTabId('host-tab-1'), now)
+    ).toBe(true)
   })
 
   it('closes the mirrored editor tab on the host using the host tab id', async () => {
diff --git a/src/renderer/src/runtime/close-mirrored-editor-tab.ts b/src/renderer/src/runtime/close-mirrored-editor-tab.ts
index 1dbd1fbf3a4..1030a13c920 100644
--- a/src/renderer/src/runtime/close-mirrored-editor-tab.ts
+++ b/src/renderer/src/runtime/close-mirrored-editor-tab.ts
@@ -40,7 +40,12 @@ export function notifyHostOfMirroredEditorClose(
   }
   // Record the close intent SYNCHRONOUSLY so a host snapshot landing before the dynamic import below resolves can't
   // flash the old-path tab back. closeWebRuntimeSessionTab re-records it idempotently.
-  recordWebSessionCloseIntent(worktreeId, toHostSessionTabId(unifiedTab.id), Date.now())
+  recordWebSessionCloseIntent(
+    runtimeEnvironmentId,
+    worktreeId,
+    toHostSessionTabId(unifiedTab.id),
+    Date.now()
+  )
   // Dynamic import: this helper is imported by the editor slice during store creation, so importing
   // web-runtime-session eagerly imports the store back and trips cyclic init in full-suite import order.
   void import('./web-runtime-session').then(({ closeWebRuntimeSessionTab }) =>