fix: prevent bundled OpenCode self-upgrades (#2525)

* fix: prevent bundled OpenCode self-upgrades

* feat(vscode): support OpenCode upgrades

* fix: refresh OpenCode update status on runtime switch

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/sync/sync-context.tsx

@@ -64,7 +64,6 @@ import { getRegisteredRuntimeAPIs } from "@/contexts/runtimeAPIRegistry"
 import { listGlobalSessionPages } from "@/stores/globalSessions"
 import { areRequestArraysReferentiallyEqual, collectScopedBlockingRequests } from "./scoped-blocking-requests"
 import { EMPTY_USER_MESSAGE_HISTORY_SNAPSHOT, buildUserMessageHistorySnapshot, type UserMessageHistorySnapshot } from "./user-message-history"
-import { runtimeFetch } from "@/lib/runtime-fetch"
 import {
   EMPTY_SESSION_MESSAGE_LOAD_STATE,
   SessionMessageLoader,
@@ -1741,40 +1740,6 @@ const dispatchOpenCodeUpdateAvailable = (payload: { version: string }) => {
   window.dispatchEvent(new CustomEvent("openchamber:opencode-update-available", { detail: payload }))
 }
 
-let bundledOpenCodeRuntimeCache: { runtimeKey: string; promise: Promise<boolean> } | null = null
-
-const isBundledOpenCodeRuntime = async () => {
-  const runtimeKey = getRuntimeKey()
-  if (!bundledOpenCodeRuntimeCache || bundledOpenCodeRuntimeCache.runtimeKey !== runtimeKey) {
-    bundledOpenCodeRuntimeCache = {
-      runtimeKey,
-      promise: runtimeFetch("/api/config/opencode-resolution", { signal: AbortSignal.timeout(4000) })
-        .then(async (response) => {
-          if (response.ok) {
-            const resolution = await response.json() as { source?: unknown; detectedSourceNow?: unknown }
-            return resolution.source === "bundled" || resolution.detectedSourceNow === "bundled"
-          }
-
-          const healthResponse = await runtimeFetch("/health", { signal: AbortSignal.timeout(4000) })
-          if (!healthResponse.ok) return false
-          const health = await healthResponse.json() as { opencodeBinarySource?: unknown }
-          return health.opencodeBinarySource === "bundled"
-        })
-        .catch(() => false),
-    }
-  }
-  return bundledOpenCodeRuntimeCache.promise
-}
-
-const dispatchOpenCodeUpdateAvailableUnlessBundled = (payload: { version: string }) => {
-  if (typeof window === "undefined") return
-  void isBundledOpenCodeRuntime().then((isBundled) => {
-    if (!isBundled) {
-      dispatchOpenCodeUpdateAvailable(payload)
-    }
-  })
-}
-
 export function SyncProvider(props: {
   sdk: OpencodeClient
   directory: string
@@ -2017,7 +1982,7 @@ export function SyncProvider(props: {
                 ? (payload.properties as { version: string }).version
                 : ""
               if (version) {
-                dispatchOpenCodeUpdateAvailableUnlessBundled({ version })
+                dispatchOpenCodeUpdateAvailable({ version })
               }
             }
             handleEvent(directory, payload, childStores, routingIndex, runtimeKey, false, currentDirectoryRef.current, batch)