From cc06b413225341b7ee7306a5317b0a9f78ad1e48 Mon Sep 17 00:00:00 2001
From: Hare <kei.hiracchi.0928@gmail.com>
Date: Fri, 18 Sep 2026 19:04:52 +0900
Subject: [PATCH] fix: skip stopped worker live protocol subscriptions

---
 .../workers/[workerRef]/console/+page.svelte  | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/web/workspace/src/routes/w/[workspaceId]/workers/[workerRef]/console/+page.svelte b/web/workspace/src/routes/w/[workspaceId]/workers/[workerRef]/console/+page.svelte
index c6a7606ff..156aec76f 100644
--- a/web/workspace/src/routes/w/[workspaceId]/workers/[workerRef]/console/+page.svelte
+++ b/web/workspace/src/routes/w/[workspaceId]/workers/[workerRef]/console/+page.svelte
@@ -934,7 +934,7 @@
     }
 
     function connectProtocolTransport(
-        _targetWorker: Worker | null,
+        targetWorker: Worker | null,
         token: number,
         target: ConsoleTarget,
     ) {
@@ -984,6 +984,23 @@
                     ];
                     return;
                 }
+                if (
+                    action.kind === "subscribe_live" &&
+                    targetWorker &&
+                    targetWorker.state === "stopped"
+                ) {
+                    protocolState = "closed";
+                    streamDiagnostics = [
+                        ...streamDiagnostics,
+                        {
+                            code: "worker_session_state_changed",
+                            severity: "warning",
+                            message:
+                                "The Session is live but the Worker is stopped. Reload to refresh its state.",
+                        },
+                    ];
+                    return;
+                }
                 if (action.kind === "subscribe_live") {
                     closeLiveSubscription = connectLiveProtocolTransport(token, target);
                     return;