feat(schedule): support KOL subscription targets and random time windows

Extend schedule tasks to dispatch KOL subscription prompts in addition
to prompt rules, add daily/weekly scheduling with fixed or random time
windows, and track dispatch outcomes (last run, status, consecutive
failures).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/admin-web/src/i18n/messages/en-US.ts

@@ -1612,6 +1612,20 @@ const enUS = {
       coverUpload: 'Upload cover image',
       coverUploadHint: 'Local preview only for now',
       scheduleCoverUploadHint: 'Choose from local files or the asset library',
+      source: 'Generation source',
+      sourcePromptRule: 'Custom Prompt',
+      sourceKolTemplate: 'Refined Template',
+      kolTemplate: 'Refined template',
+      kolTemplatePlaceholder: 'Select a subscribed refined template',
+      kolTemplateEmptyTitle: 'No refined templates available',
+      kolTemplateEmptyHint:
+        'This account has no active subscribed refined template package yet. Subscribe in the marketplace first.',
+      scheduleSection: 'Schedule Policy',
+      kolInputSection: 'Refined Variables',
+      kolWebSearch: 'Web search',
+      kolWebSearchHint: 'Enable it when this refined template allows web search.',
+      kolKnowledge: 'Knowledge base',
+      kolKnowledgePlaceholder: 'Optional. Select your knowledge groups for generation',
       scheduleTime: 'Schedule article generation',
       scheduleEveryDay: 'Every day',
       enableWebSearch: 'Enable web search for generation',
@@ -1629,11 +1643,29 @@ const enUS = {
     schedule: {
       name: 'Task name',
       rule: 'Prompt rule',
+      target: 'Target',
+      plan: 'Schedule',
       cron: 'Frequency',
+      frequency: 'Frequency',
+      kindDaily: 'Every day',
+      kindWeekly: 'Weekdays',
+      weekdaysLabel: 'Run days',
+      executionTime: 'Run time',
+      executionTimeHint:
+        'New tasks default to a random time between 01:00 and 05:00 to smooth overnight load. You can edit it before saving.',
+      executionTimeDefault: 'Default staggered time',
+      to: 'to',
       autoPublishPlatforms: 'Auto publish platforms',
       autoPublish: 'Auto publish',
       manualPublish: 'Manual publish',
       nextRun: 'Next run',
+      dispatchStatus: 'Last dispatch',
+      dispatchSuccess: 'Success',
+      dispatchFailed: 'Failed',
+      dispatchPartialSuccess: 'Partial success',
+      notDispatched: 'Not dispatched',
+      footerHint:
+        'New tasks start with a random time between 01:00 and 05:00, then run at the saved time.',
       startAt: 'Start time',
       endAt: 'End time',
       brand: 'Brand',
@@ -1650,6 +1682,15 @@ const enUS = {
         weekly: 'Once weekly',
         custom: 'Custom Cron',
       },
+      weekdays: {
+        mon: 'Mon',
+        tue: 'Tue',
+        wed: 'Wed',
+        thu: 'Thu',
+        fri: 'Fri',
+        sat: 'Sat',
+        sun: 'Sun',
+      },
     },
     instant: {
       title: 'Instant Generate',
@@ -1700,8 +1741,11 @@ const enUS = {
       generateSubmitted: 'Generation task submitted.',
       missingTaskName: 'Enter a task name first.',
       missingPromptRule: 'Choose a prompt first.',
+      missingKolTemplate: 'Choose a subscribed refined template first.',
       invalidGenerateCount: 'Article count must be at least 1.',
       invalidScheduleTime: 'Choose a valid schedule time.',
+      invalidRandomWindow: 'The schedule time configuration is invalid.',
+      missingScheduleDays: 'Select at least one run day.',
       missingPublishAccounts: 'Choose at least one media account when auto publish is enabled.',
       missingScheduleCover: 'A selected media account platform requires a cover image.',
       missingPromptName: 'Enter a prompt name first.',