feat: workspace source-of-truth hard cut

packages/app/src/screens/workspace/workspace-header-source.ts

@@ -0,0 +1,18 @@
+import type { WorkspaceDescriptor } from '@/stores/session-store'
+import { projectDisplayNameFromProjectId } from '@/utils/project-display-name'
+
+export function resolveWorkspaceHeader(input: {
+  workspace: WorkspaceDescriptor
+}): { title: string; subtitle: string } {
+  return {
+    title: input.workspace.name,
+    subtitle: projectDisplayNameFromProjectId(input.workspace.projectId),
+  }
+}
+
+export function shouldRenderMissingWorkspaceDescriptor(input: {
+  workspace: WorkspaceDescriptor | null
+  hasHydratedWorkspaces: boolean
+}): boolean {
+  return !input.workspace && input.hasHydratedWorkspaces
+}