feat: 新增崩溃日志分享设置界面

- 设置页新增「日志分享」与「已分享日志」区块（默认实例设置内）
- 补齐 helpers/logs.js 的 logshare 调用（上传/分析/删除/记录）
- 日志分享设置支持分享服务、AI 来源、自动上传、多文件、不留存、进度等选项
- 已分享日志支持查看列表与删除
- 补 en-US / zh-CN 文案
- i18n 白名单补充 LogShare AI

apps/app-frontend/src/components/ui/settings/DefaultInstanceSettings.vue

@@ -6,6 +6,8 @@ import { ref, watch } from 'vue'
 import { get, set } from '@/helpers/settings.ts'
 
 import CrashAnalysisAISettings from './CrashAnalysisAISettings.vue'
+import LogShareSettings from './LogShareSettings.vue'
+import SharedLogsSettings from './SharedLogsSettings.vue'
 import SettingsRow from './SettingsRow.vue'
 import SettingsSection from './SettingsSection.vue'
 
@@ -391,5 +393,7 @@ watch(
 		</SettingsSection>
 
 		<CrashAnalysisAISettings />
+		<LogShareSettings />
+		<SharedLogsSettings />
 	</div>
 </template>