feat: add Grok Build support (#1030)

* test: define Grok Build integration behavior

* feat: add Grok Build agent integration

* test: cover Grok permissions and resume paths

* docs: add Grok Build setup guide

* fix: scope Grok ACP discovery to session cwd

* fix: align Grok permission UI semantics

* docs: clarify Grok runner setup

* test: require Grok create model and effort options

* feat: add Grok create model and effort pickers

* test: define Grok runtime parity behavior

* feat: add Grok runtime ACP controls and discovery

* fix: tighten Grok runtime controls

* fix: suppress nonfatal Grok title quota errors

* feat: support Grok Auto permission mode

* feat: forward ACP native session titles for Grok

* fix: guard Grok Windows shell arguments

web/src/lib/locales/en.ts

@@ -243,6 +243,8 @@ export default {
   'newSession.yolo': 'YOLO mode',
   'newSession.yolo.title': 'Bypass approvals and sandbox',
   'newSession.yolo.desc': 'Uses dangerous agent flags when spawning.',
+  'newSession.grokAutoUnavailable': 'unavailable',
+  'newSession.grokAutoUnavailableDesc': 'Grok did not enable Auto permissions for this account or CLI build.',
   'newSession.create': 'Create',
   'newSession.creating': 'Creating…',
 

web/src/lib/locales/zh-CN.ts

@@ -247,6 +247,8 @@ export default {
   'newSession.yolo': 'YOLO 模式',
   'newSession.yolo.title': '跳过审批和沙箱',
   'newSession.yolo.desc': '启动时使用危险的代理标志。',
+  'newSession.grokAutoUnavailable': '不可用',
+  'newSession.grokAutoUnavailableDesc': 'Grok 尚未为此账号或 CLI 版本启用自动权限模式。',
   'newSession.create': '创建',
   'newSession.creating': '创建中…',