diff --git a/apps/desktop/src/app/chat/session-tile-owner-route.test.ts b/apps/desktop/src/app/chat/session-tile-owner-route.test.ts
new file mode 100644
index 0000000000..31058c578d
--- /dev/null
+++ b/apps/desktop/src/app/chat/session-tile-owner-route.test.ts
@@ -0,0 +1,13 @@
+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+
+import { describe, expect, it } from 'vitest'
+
+const source = readFileSync(resolve(process.cwd(), 'src/app/chat/session-tile.tsx'), 'utf8')
+
+describe('SessionTilePane owner-scoped listing', () => {
+  it('resolves a newly active tile on its persisted owner route', () => {
+    expect(source).toContain('void resolveStoredSession(storedSessionId, ownerRoute)')
+    expect(source).not.toMatch(/void resolveStoredSession\(storedSessionId\)\s*\n/)
+  })
+})
diff --git a/apps/desktop/src/app/chat/session-tile.tsx b/apps/desktop/src/app/chat/session-tile.tsx
index 4a234022df..f0479448c1 100644
--- a/apps/desktop/src/app/chat/session-tile.tsx
+++ b/apps/desktop/src/app/chat/session-tile.tsx
@@ -256,6 +256,7 @@ function TileChat({
 export function SessionTilePane({ storedSessionId }: { storedSessionId: string }) {
   const tiles = useStore($sessionTiles)
   const tile = tiles.find(t => t.storedSessionId === storedSessionId)
+  const ownerRoute = tile?.ownerRoute
   const runtimeId = tile?.runtimeId ?? null
   const gatewayOpen = useStore($gatewayState) === 'open'
   const delegateRevision = useStore($sessionTileDelegateRevision)
@@ -287,7 +288,7 @@ export function SessionTilePane({ storedSessionId }: { storedSessionId: string }
         return
       }
 
-      void resolveStoredSession(storedSessionId)
+      void resolveStoredSession(storedSessionId, ownerRoute)
         .then(resolved => {
           if (cancelled || resolved || remaining <= 0) {
             return
@@ -307,7 +308,7 @@ export function SessionTilePane({ storedSessionId }: { storedSessionId: string }
         window.clearTimeout(timer)
       }
     }
-  }, [hasMessages, runtimeId, storedSessionId])
+  }, [hasMessages, ownerRoute, runtimeId, storedSessionId])
 
   // Same gating as the primary's route resume (use-route-resume): never fire
   // session.resume before the gateway is OPEN. Persisted tiles mount at boot