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/lib/opencode/server-utils-runtime.js

@@ -13,6 +13,7 @@ export const createServerUtilsRuntime = (dependencies) => {
     getOpenCodeAuthHeaders,
     buildOpenCodeUrl,
     ensureOpenCodeApiPrefix,
+    getUpstreamStallTimeoutMs,
     getUiNotificationClients,
     getOpenCodePort,
     setOpenCodePortState,
@@ -212,6 +213,7 @@ export const createServerUtilsRuntime = (dependencies) => {
       getOpenCodeAuthHeaders,
       buildOpenCodeUrl,
       ensureOpenCodeApiPrefix,
+      getSseUpstreamStallTimeoutMs: getUpstreamStallTimeoutMs,
       getUiNotificationClients,
     });
   };