runtime: make worker console observation required

web/workspace/src/lib/workspace-console/worker-console.ui.test.ts

@@ -70,11 +70,6 @@ Deno.test("Worker Console page is routed by runtime_id and worker_id through bac
     !consolePage.includes("/api/companion"),
     "Console page must not use Companion-specific APIs",
   );
-  assert(
-    consolePage.includes("streaming observation is not available") ||
-      consolePage.includes("Streaming observation is not available"),
-    "Console should show an explicit non-streaming degradation path",
-  );
   assert(
     consolePage.includes("function advanceReloadToken()") &&
       consolePage.includes("nextReloadToken += 1") &&

web/workspace/src/lib/workspace-sidebar/types.ts

@@ -35,8 +35,6 @@ export type RuntimeCapabilities = {
   can_spawn_worker: boolean;
   can_stop_worker: boolean;
   can_accept_input: boolean;
-  can_stream_events: boolean;
-  can_read_bounded_transcript: boolean;
   has_workspace_fs: boolean;
   has_shell: boolean;
   has_git: boolean;
@@ -72,10 +70,8 @@ export type Host = {
 
 export type WorkerCapabilities = {
   can_accept_input: boolean;
-  can_stream_events: boolean;
   can_stop: boolean;
   can_spawn_followup: boolean;
-  can_read_bounded_transcript: boolean;
 };
 
 export type Worker = {