disable SSE body timeouts and ignore workspace-stopped disconnects

packages/server/src/workspaces/instance-events.ts

@@ -1,10 +1,12 @@
-import { fetch } from "undici"
+import { Agent, fetch } from "undici"
+import { Agent as UndiciAgent } from "undici"
 import { EventBus } from "../events/bus"
 import { Logger } from "../logger"
 import { WorkspaceManager } from "./manager"
 import { InstanceStreamEvent, InstanceStreamStatus } from "../api-types"
 
 const INSTANCE_HOST = "127.0.0.1"
+const STREAM_AGENT = new UndiciAgent({ bodyTimeout: 0, headersTimeout: 0 })
 const RECONNECT_DELAY_MS = 1000
 
 interface InstanceEventBridgeOptions {
@@ -97,6 +99,7 @@ export class InstanceEventBridge {
     const response = await fetch(url, {
       headers: { Accept: "text/event-stream" },
       signal,
+      dispatcher: STREAM_AGENT,
     })
 
     if (!response.ok || !response.body) {