fix(ui): bound renderer memory and keep large sessions responsive

.github/workflows/pr-build.yml

@@ -104,11 +104,18 @@ jobs:
       - name: Test changed runnable UI behavior
         run: >-
           node --import tsx --test
+          packages/ui/src/components/prompt-input/submitPrompt.test.ts
           packages/ui/src/components/session-list-visibility.test.ts
           packages/ui/src/components/unified-picker-path.test.ts
           packages/ui/src/lib/hooks/use-app-session-capture.test.ts
+          packages/ui/src/lib/global-cache.test.ts
           packages/ui/src/lib/launch-errors.test.ts
           packages/ui/src/lib/message-selection-position.test.ts
+          packages/ui/src/lib/native/desktop-events-reconnect.test.ts
+          packages/ui/src/lib/native/desktop-events.test.ts
+          packages/ui/src/lib/opencode-api.test.ts
+          packages/ui/src/lib/session-memory-budget.test.ts
+          packages/ui/src/lib/session-search.test.ts
           packages/ui/src/lib/trailing-resync.test.ts
           packages/ui/src/stores/abort-created-workspace-cleanup.test.ts
           packages/ui/src/stores/app-session-reconciliation.test.ts
@@ -119,8 +126,14 @@ jobs:
           packages/ui/src/stores/restore-workspace-commit-gates.test.ts
           packages/ui/src/stores/client-state-codec.test.ts
           packages/ui/src/stores/client-state.test.ts
+          packages/ui/src/stores/commands.test.ts
+          packages/ui/src/stores/delta-buffer.test.ts
           packages/ui/src/stores/instances-restore-cancellation.test.ts
+          packages/ui/src/stores/permission-replies.test.ts
+          packages/ui/src/stores/request-locations.test.ts
           packages/ui/src/stores/message-v2/message-hydration-authority.test.ts
+          packages/ui/src/stores/message-v2/instance-store.test.ts
+          packages/ui/src/stores/message-prompt-display.test.ts
           packages/ui/src/stores/session-generation-recovery.test.ts
           packages/ui/src/stores/session-metadata.test.ts
           packages/ui/src/stores/session-pagination.test.ts
@@ -131,6 +144,20 @@ jobs:
           node --conditions=browser --import tsx --test --test-force-exit
           packages/ui/src/stores/instances-restore-ownership.test.ts
           packages/ui/src/stores/permission-lifecycle.test.ts
+          packages/ui/src/stores/session-request-authority.test.ts
+          packages/ui/src/stores/session-memory.test.ts
+          packages/ui/src/components/tool-call/search-text.test.ts
+          packages/ui/src/components/tool-call/diagnostics.test.ts
+          packages/ui/src/components/tool-call/permission-constants.test.ts
+          packages/ui/src/components/tool-call/renderers/task-transcript-load.test.ts
+          packages/ui/src/components/tool-call/utils.test.ts
+          packages/ui/src/lib/sse-manager-generation.test.ts
+          packages/ui/src/stores/session-state-purge.test.ts
+          packages/ui/src/stores/instances-reconnect-resync.test.ts
+          packages/ui/src/stores/session-revision-recovery.test.ts
+          packages/ui/src/stores/session-actions-delivery.test.ts
+          packages/ui/src/stores/opencode-workspaces.test.ts
+          packages/ui/src/components/virtual-follow-behavior.test.ts
 
       - name: Test server
         run: node --import tsx --test "packages/server/src/**/*.test.ts"
@@ -176,4 +203,4 @@ jobs:
 
       - name: Test Tauri crate on Windows
         working-directory: packages/tauri-app/src-tauri
-        run: cargo test --locked
+        run: cargo test --locked -- --test-threads=1

packages/server/src/api-types.ts

@@ -482,8 +482,8 @@ export type WorkspaceEventPayload =
   | { type: "storage.configChanged"; owner: SettingsOwner; value: SettingsBucket }
   | { type: "storage.stateChanged"; owner: SettingsOwner; value: SettingsBucket }
   | { type: "instance.dataChanged"; instanceId: string; data: InstanceData }
-  | { type: "instance.event"; instanceId: string; event: InstanceStreamEvent }
-  | { type: "instance.eventStatus"; instanceId: string; status: InstanceStreamStatus; reason?: string }
+  | { type: "instance.event"; instanceId: string; streamId?: string; event: InstanceStreamEvent }
+  | { type: "instance.eventStatus"; instanceId: string; streamId?: string; status: InstanceStreamStatus; reason?: string }
   | { type: "yolo.stateChanged"; instanceId: string; sessionId: string; enabled: boolean }
   | { type: "yolo.autoAccepted"; instanceId: string; sessionId: string; permissionId: string }