fix: stream bash output and harden OpenCode connectivity (#2522)

* fix(ui): stream bash tool output while running

* perf(ui): render streaming bash output incrementally

* fix(ui): keep tool duration timer running

* fix(web): recover stalled OpenCode SSE streams

* fix(web): prevent OpenCode restart storms

* fix: address streaming recovery review

packages/web/server/index.js

@@ -893,6 +893,7 @@ const serverUtilsRuntime = createServerUtilsRuntime({
   getOpenCodeAuthHeaders,
   buildOpenCodeUrl,
   ensureOpenCodeApiPrefix,
+  getUpstreamStallTimeoutMs,
   getUiNotificationClients: () => uiNotificationClients,
   getOpenCodePort: () => openCodePort,
   setOpenCodePortState: (value) => {