Merge branch 'feat/unit-1-workspace-tab-store-navigation'

# Conflicts:
#	packages/app/src/app/h/[serverId]/workspace/[workspaceId]/_layout.tsx
#	packages/app/src/screens/workspace/workspace-agent-visibility.test.ts
#	packages/app/src/screens/workspace/workspace-agent-visibility.ts
#	packages/app/src/screens/workspace/workspace-screen.tsx

packages/app/src/screens/workspace/workspace-agent-visibility.test.ts

@@ -1,7 +1,6 @@
 import { describe, expect, it } from "vitest";
 import type { Agent } from "@/stores/session-store";
 import {
-  canOpenAgentTabFromRoute,
   deriveWorkspaceAgentVisibility,
   shouldPruneWorkspaceAgentTab,
   workspaceAgentVisibilityEqual,
@@ -89,18 +88,6 @@ describe("workspace agent visibility", () => {
     expect(result.knownAgentIds.has("other-workspace-agent")).toBe(false);
   });
 
-  it("allows explicit route open for archived agent once agents are hydrated", () => {
-    const knownAgentIds = new Set(["archived-agent"]);
-
-    expect(
-      canOpenAgentTabFromRoute({
-        agentId: "archived-agent",
-        agentsHydrated: true,
-        knownAgentIds,
-      })
-    ).toBe(true);
-  });
-
   it("prunes archived agent tabs so archiving on one client closes tabs on all clients", () => {
     const knownAgentIds = new Set(["archived-agent"]);
     const activeAgentIds = new Set<string>();