chore: 统一日报时间逻辑

src/renderer/src/App.tsx

@@ -1614,7 +1614,7 @@ function App(): React.ReactElement {
             ? '昨日'
             : summaryDateRange === '7days'
               ? '近 7 天'
-              : '今天',
+              : '今日',
         reportDate: reportMetadata.reportDate,
         messageCount: reportGeneration.reportMessages.length,
         generatedAt: new Date().toISOString(),

src/renderer/src/components/reports/AiReportWorkspace.tsx

@@ -58,7 +58,7 @@ interface AiReportWorkspaceProps {
 const rangeLabel = (range: SummaryDateRange): string => {
   if (range === 'yesterday') return '昨日'
   if (range === '7days') return '近 7 天'
-  return '今天'
+  return '今日'
 }
 
 const modelLabel = (model: string): string => {

src/renderer/src/components/reports/ReportHistorySidebar.tsx

@@ -69,8 +69,8 @@ const groupLabelFor = (value: string): string => {
   const time = new Date(date)
   time.setHours(0, 0, 0, 0)
 
-  if (time.getTime() >= startOfToday.getTime()) return '今天'
-  if (time.getTime() >= startOfYesterday.getTime()) return '昨天'
+  if (time.getTime() >= startOfToday.getTime()) return '今日'
+  if (time.getTime() >= startOfYesterday.getTime()) return '昨日'
   if (date.getFullYear() === now.getFullYear()) return `${date.getMonth() + 1}月${date.getDate()}日`
   return `${date.getFullYear()}年${date.getMonth() + 1}月${date.getDate()}日`
 }

src/renderer/src/components/reports/ScheduledReportsWorkspace.tsx

@@ -66,8 +66,8 @@ const rangeLabel = (range: ScheduledReportRange): string =>
     : range === '7days'
       ? '近 7 天'
       : range === 'today'
-        ? '今天'
-        : '昨天'
+        ? '今日'
+        : '昨日'
 
 const isScheduledReportRange = (value: unknown): value is ScheduledReportRange =>
   value === 'today' || value === 'yesterday' || value === '7days' || value === 'recent24h'
@@ -99,7 +99,7 @@ const formatDateTime = (value?: string): string => {
   if (Number.isNaN(date.getTime())) return '时间未知'
   const now = new Date()
   const dayLabel =
-    date.toDateString() === now.toDateString() ? '今天' : date.toLocaleDateString('zh-CN')
+    date.toDateString() === now.toDateString() ? '今日' : date.toLocaleDateString('zh-CN')
   return `${dayLabel} ${date.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' })}`
 }
 
@@ -386,7 +386,7 @@ function ScheduledReportDialog({
               </span>
             </div>
             <SegmentedControl
-              className="w-full"
+              className="grid w-full grid-cols-2 gap-1 sm:grid-cols-5"
               aria-label="总结范围"
               value={reportRange}
               onValueChange={(value) => setReportRange(value as ScheduledReportRange)}
@@ -395,20 +395,24 @@ function ScheduledReportDialog({
                 <SegmentedControlItem
                   key={option.value}
                   value={option.value}
-                  className="min-h-9 flex-1"
+                  className="min-h-9 w-full min-w-0 whitespace-nowrap"
                 >
                   {option.label}
                 </SegmentedControlItem>
               ))}
-              <SegmentedControlItem value="recent24h" className="min-h-9 flex-1">
+              <SegmentedControlItem
+                value="recent24h"
+                className="min-h-9 w-full min-w-0 whitespace-nowrap"
+              >
                 最近24小时
               </SegmentedControlItem>
               <span
                 aria-disabled="true"
                 title="当前业务尚未支持自定义时间"
-                className="inline-flex min-h-8 min-w-0 flex-1 cursor-not-allowed items-center justify-center rounded-sm px-3 text-xs font-medium text-disabled-foreground opacity-100"
+                className="inline-flex min-h-9 w-full min-w-0 cursor-not-allowed flex-col items-center justify-center gap-0 rounded-sm px-2 py-1 text-xs font-medium leading-4 text-disabled-foreground opacity-100"
               >
-                自定义 <small>即将支持</small>
+                <span className="whitespace-nowrap">自定义</span>
+                <small className="whitespace-nowrap text-[11px] leading-[14px]">即将支持</small>
               </span>
             </SegmentedControl>
           </div>

src/renderer/src/features/api-center/model/apiEndpoints.ts

@@ -69,7 +69,7 @@ export const API_ENDPOINTS: ApiEndpoint[] = [
   }),
   endpoint('agent-group-report', {
     name: '生成群聊总结图片',
-    description: '读取指定群聊并生成今天、昨天或近 7 天的总结长图。',
+    description: '读取指定群聊并生成今日、昨日或近 7 天的总结长图。',
     body: true
   }),
   endpoint('agent-send', {

src/renderer/src/utils/group-report-facts.ts

@@ -586,7 +586,7 @@ const buildMediaSection = async (
     funBadges.push({
       title: '高能输出王',
       owner: topSpeaker[0],
-      note: `今天一共发了 ${topSpeaker[1]} 条消息。`
+      note: `今日一共发了 ${topSpeaker[1]} 条消息。`
     })
   }
   if (visionGallery[0]) {

src/renderer/src/utils/group-report.ts

@@ -43,7 +43,7 @@ JSON 结构必须为：
   "overview": "1至2句整体讨论风格与氛围",
   "hero": {
     "headline": "一句抓重点的日报标题",
-    "summary": "一句总结今天发生了什么，最多3行",
+    "summary": "一句总结今日发生了什么，最多3行",
     "keyTakeaway": "最重要结论，没有可空",
     "pendingNote": "最值得跟进的一项，没有可空",
     "statusLine": "例如：今日形成 3 个结论 · 2 个待办 · 1 个问题尚未解决"
@@ -645,7 +645,7 @@ const postProcessReport = (
       topics[0]?.title ||
       `${metadata.groupName}${mode === 'compact' ? '速览' : '日报'}`,
     summary: truncate(
-      report.hero?.summary || report.overview || '今天群里有新的讨论进展。',
+      report.hero?.summary || report.overview || '今日群里有新的讨论进展。',
       mode === 'compact' ? 84 : 120
     ),
     keyTakeaway: report.hero?.keyTakeaway
@@ -814,7 +814,7 @@ export const parseGroupDailyReport = (
         ? {
             headline: asString(heroRoot.headline) || topics[0]?.title || '今日群聊速览',
             summary:
-              asString(heroRoot.summary) || asString(root.overview) || '今天群里有新的讨论进展。',
+              asString(heroRoot.summary) || asString(root.overview) || '今日群里有新的讨论进展。',
             keyTakeaway: asString(heroRoot.keyTakeaway),
             pendingNote: asString(heroRoot.pendingNote),
             statusLine: asString(heroRoot.statusLine)
@@ -864,7 +864,7 @@ export type SummaryMessageType =
   | 'system'
 
 export const SUMMARY_DATE_OPTIONS: { value: SummaryDateRange; label: string }[] = [
-  { value: 'today', label: '今天' },
+  { value: 'today', label: '今日' },
   { value: 'yesterday', label: '昨日' },
   { value: '7days', label: '近 7 天' }
 ]
@@ -923,6 +923,8 @@ export const getSummaryDateRangeAt = (
   range: SummaryDateRange,
   now = new Date()
 ): { startTime: number; endTime: number } => {
+  // These ranges are local calendar dates. Only the separate recent24h mode
+  // uses a rolling 24-hour window in the scheduled-report service.
   const startOfToday = new Date(now)
   startOfToday.setHours(0, 0, 0, 0)
   const startOfYesterday = new Date(startOfToday)