test(server): fixtures for agents and workspaces carry metadata

Agent snapshots and workspace records now always carry metadata, so the
hand-built fixtures and expectations in three existing suites name it.

packages/server/src/server/agent/mcp-server.test.ts

@@ -564,6 +564,7 @@ function createManagedAgent(overrides: Partial<ManagedAgent> = {}): ManagedAgent
     pendingPermissions: new Map(),
     persistence: null,
     labels: {},
+    metadata: {},
     attention: { requiresAttention: false },
     ...overrides,
   } as ManagedAgent;

packages/server/src/server/bootstrap.smoke.test.ts

@@ -1109,6 +1109,7 @@ test("disabled recovery closes stale active records without resuming sessions",
       lastStatus: status as StoredAgentRecord["lastStatus"],
       title: `Keep ${status}`,
       labels: { "paseo.parent-agent-id": "parent", custom: "keep" },
+      metadata: {},
       persistence: { provider: "codex", sessionId: `session-${index}` },
       config: { modeId: "full-access" },
       requiresAttention: true,

packages/server/src/server/workspace-reconciliation-service.test.ts

@@ -1100,6 +1100,7 @@ describe("WorkspaceReconciliationService", () => {
       baseBranch: null,
       isPaseoOwnedWorktree: false,
       mainRepoRoot: null,
+      metadata: {},
       createdAt: timestamp,
       updatedAt: expect.any(String),
       archivedAt: expect.any(String),