feat(hermes): add update backup controls

tests/hermes-config-page-ui.test.js

@@ -36,6 +36,16 @@ test('Hermes 配置页会暴露会话维护结构化配置字段', () => {
   }
 })
 
+test('Hermes 配置页会暴露更新备份结构化配置字段', () => {
+  for (const id of [
+    'hm-updates-save',
+    'hm-updates-pre-update-backup',
+    'hm-updates-backup-keep',
+  ]) {
+    assert.match(source, new RegExp(`id="${id}"`), `缺少 ${id}`)
+  }
+})
+
 test('Hermes 配置页会暴露工具循环防护结构化配置字段', () => {
   for (const id of [
     'hm-tool-guardrails-save',
@@ -514,6 +524,7 @@ test('Hermes 配置页新增结构化配置不会暴露翻译 key', () => {
     key.includes('SttConfig') ||
     key.includes('KanbanConfig') ||
     key.includes('CheckpointsConfig') ||
+    key.includes('UpdatesConfig') ||
     key.includes('ApprovalsConfig') ||
     key.includes('CronConfig') ||
     key.includes('LoggingConfig') ||

tests/hermes-updates-config.test.js

@@ -0,0 +1,59 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+
+import {
+  buildHermesUpdatesConfigValues,
+  mergeHermesUpdatesConfig,
+} from '../scripts/dev-api.js'
+
+test('Hermes 更新配置读取会提供上游默认值', () => {
+  const values = buildHermesUpdatesConfigValues({})
+
+  assert.deepEqual(values, {
+    updatesPreUpdateBackup: false,
+    updatesBackupKeep: 5,
+  })
+})
+
+test('Hermes 更新配置读取会回显 YAML 字段', () => {
+  const values = buildHermesUpdatesConfigValues({
+    updates: {
+      pre_update_backup: true,
+      backup_keep: 9,
+    },
+  })
+
+  assert.equal(values.updatesPreUpdateBackup, true)
+  assert.equal(values.updatesBackupKeep, 9)
+})
+
+test('Hermes 更新配置保存会保留未知字段并写入 updates', () => {
+  const next = mergeHermesUpdatesConfig({
+    updates: {
+      pre_update_backup: false,
+      custom_flag: 'keep-updates',
+    },
+    sessions: { auto_prune: true },
+    model: { provider: 'anthropic' },
+  }, {
+    updatesPreUpdateBackup: true,
+    updatesBackupKeep: '7',
+  })
+
+  assert.deepEqual(next.sessions, { auto_prune: true })
+  assert.deepEqual(next.model, { provider: 'anthropic' })
+  assert.equal(next.updates.pre_update_backup, true)
+  assert.equal(next.updates.backup_keep, 7)
+  assert.equal(next.updates.custom_flag, 'keep-updates')
+})
+
+test('Hermes 更新配置保存会拒绝非法保留数量', () => {
+  assert.throws(
+    () => mergeHermesUpdatesConfig({}, { updatesBackupKeep: '0' }),
+    /updates\.backup_keep/,
+  )
+  assert.throws(
+    () => mergeHermesUpdatesConfig({}, { updatesBackupKeep: '1001' }),
+    /updates\.backup_keep/,
+  )
+})