fix(n+1): 批量查询替代循环单查

- IsAdminBootstrapRequired: userRepo.GetByID 循环 → GetByIDs 批量
- AssignRoles: roleRepo.GetByID 循环 → GetByIDs 批量
- 在 userRepositoryInterface 补充 GetByIDs 方法签名

frontend/admin/src/lib/playwright-e2e-scenarios.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'vitest'
+
+import { BASE_SCENARIO_NAMES, parseSelectedScenarioNames, selectScenarioNames } from '../../scripts/playwright-e2e-scenarios.mjs'
+
+describe('playwright-e2e-scenarios', () => {
+  it('prepends admin bootstrap when capabilities require it', () => {
+    const scenarioNames = selectScenarioNames({
+      requestedScenarioNames: parseSelectedScenarioNames(''),
+      expectAdminBootstrap: true,
+    })
+
+    expect(scenarioNames[0]).toBe('admin-bootstrap')
+    expect(scenarioNames.slice(1)).toEqual(BASE_SCENARIO_NAMES)
+  })
+
+  it('keeps admin bootstrap when filtering a later scenario', () => {
+    const scenarioNames = selectScenarioNames({
+      requestedScenarioNames: parseSelectedScenarioNames('email-activation'),
+      expectAdminBootstrap: true,
+    })
+
+    expect(scenarioNames).toEqual(['admin-bootstrap', 'email-activation'])
+  })
+
+  it('does not invent admin bootstrap when it is no longer required', () => {
+    const scenarioNames = selectScenarioNames({
+      requestedScenarioNames: parseSelectedScenarioNames('email-activation'),
+      expectAdminBootstrap: false,
+    })
+
+    expect(scenarioNames).toEqual(['email-activation'])
+  })
+})