feat(i18n): full Chinese/English bilingual UI switching & visual polish

backend/app/agendas/outcome_tags.py

@@ -27,11 +27,20 @@ class TaggedOutcome:
 
 _TAGS: tuple[tuple[OutcomeKind, str], ...] = (
     ("decision", "@决策:"),
+    ("decision", "@Decision:"),
+    ("decision", "@decision:"),
     ("action", "@行动:"),
+    ("action", "@Action:"),
+    ("action", "@action:"),
     ("question", "@开放问题:"),
     ("question", "@问题:"),
+    ("question", "@Question:"),
+    ("question", "@question:"),
+    ("question", "@OpenQuestion:"),
 )
 
+_ACTION_PREFIXES: tuple[str, ...] = ("@行动:", "@Action:", "@action:")
+
 
 def parse_action_metadata(
     raw_payload: str,
@@ -79,6 +88,7 @@ def format_action_tag(
     status: ActionStatus | str = ActionStatus.open,
     owner: str | None = None,
     due_date: date | str | None = None,
+    tag_prefix: str = "@行动:",
 ) -> str:
     """Format an ActionItem into the tag syntax @行动:[status][@owner][due_date] content."""
     status_str = status.value if hasattr(status, "value") else str(status)
@@ -100,7 +110,7 @@ def format_action_tag(
         due_str = due_date.isoformat() if hasattr(due_date, "isoformat") else str(due_date).strip()
         if due_str:
             parts.append(f"[{due_str}]")
-    return f"@行动:{''.join(parts)} {content.strip()}"
+    return f"{tag_prefix}{''.join(parts)} {content.strip()}"
 
 
 def rewrite_action_in_notes(
@@ -124,12 +134,19 @@ def rewrite_action_in_notes(
             continue
         if in_fence:
             continue
-        if line.startswith("@行动:"):
+        matched_prefix = next(
+            (prefix for prefix in _ACTION_PREFIXES if line.startswith(prefix)),
+            None,
+        )
+        if matched_prefix is not None:
             if action_count == target_index:
                 leading_ws_len = len(raw_line) - len(raw_line.lstrip())
                 leading = raw_line[:leading_ws_len]
                 ending = "\n" if raw_line.endswith("\n") else ""
-                lines[idx] = f"{leading}{new_tag_line}{ending}"
+                tag_line = new_tag_line
+                if matched_prefix != "@行动:" and tag_line.startswith("@行动:"):
+                    tag_line = f"{matched_prefix}{tag_line[len('@行动:'):]}"
+                lines[idx] = f"{leading}{tag_line}{ending}"
                 return "".join(lines)
             action_count += 1
     return notes_markdown

backend/tests/domain/test_bidirectional_actions.py

@@ -320,3 +320,38 @@ def test_reconcile_outcomes_preserves_final_decision_clears_metadata_and_handles
         )
         assert session.get(Decision, final_dec.id) is not None
         assert session.get(Decision, final_dec.id).status.value == "final"
+
+
+def test_parse_and_rewrite_english_outcome_tags():
+    md = """# Meeting Notes
+@Decision: Adopt canonical REST API contract
+@Action:[todo][@alice][2026-10-18] Ship bilingual UI toggle
+@Question: Should we preserve legacy webhook aliases?
+"""
+    tags = parse_outcome_tags(md)
+    assert len(tags) == 3
+    assert tags[0].kind == "decision"
+    assert tags[0].source_tag_key == "decision:0"
+    assert tags[0].content == "Adopt canonical REST API contract"
+
+    assert tags[1].kind == "action"
+    assert tags[1].source_tag_key == "action:0"
+    assert tags[1].status == ActionStatus.open
+    assert tags[1].owner_name == "alice"
+    assert tags[1].due_date == date(2026, 10, 18)
+    assert tags[1].content == "Ship bilingual UI toggle"
+
+    assert tags[2].kind == "question"
+    assert tags[2].source_tag_key == "question:0"
+    assert tags[2].content == "Should we preserve legacy webhook aliases?"
+
+    # Rewriting an English @Action: tag preserves the @Action: prefix
+    new_tag = format_action_tag(
+        content="Ship bilingual UI toggle",
+        status=ActionStatus.done,
+        owner="alice",
+        due_date=date(2026, 10, 18),
+    )
+    rewritten = rewrite_action_in_notes(md, "action:0", new_tag)
+    assert "@Action:[done][@alice][2026-10-18] Ship bilingual UI toggle" in rewritten
+

frontend/src/App.vue

@@ -4,24 +4,26 @@ import {
   NBadge, NConfigProvider, NDialogProvider, NDropdown, NIcon, NLayout, NLayoutContent,
   NMessageProvider, dateZhCN, zhCN,
 } from 'naive-ui'
-import { onBeforeUnmount, onMounted, watch } from 'vue'
-import { RouterLink, RouterView, useRouter } from 'vue-router'
+import { computed, onBeforeUnmount, onMounted, watch } from 'vue'
+import { RouterView, useRouter } from 'vue-router'
 
 import { api } from './api/client'
 import { clearSession, session, type SessionUser } from './auth/session'
 import AppAvatar from './components/AppAvatar.vue'
 import AppSidebar from './components/AppSidebar.vue'
 import { resetUnread, startUnreadPolling, unreadCount } from './composables/useInboxUnread'
 import { resetUserNames } from './composables/useUserNameMap'
+import { useI18n } from './i18n'
 import { loadPluginFrontendModules } from './plugins/runtime'
 import { naiveThemeOverrides } from './theme/naive'
 
 const router = useRouter()
+const { locale, toggleLocale, tr } = useI18n()
 
-const accountOptions = [
-  { key: 'account', label: '账号设置' },
-  { key: 'logout', label: '退出登录' },
-]
+const accountOptions = computed(() => [
+  { key: 'account', label: tr('账号设置', 'Account Settings') },
+  { key: 'logout', label: tr('退出登录', 'Sign Out') },
+])
 
 function onLoggedIn(user: SessionUser) {
   session.user = user
@@ -78,7 +80,11 @@ onBeforeUnmount(() => {
 </script>
 
 <template>
-  <NConfigProvider :theme-overrides="naiveThemeOverrides" :locale="zhCN" :date-locale="dateZhCN">
+  <NConfigProvider
+    :theme-overrides="naiveThemeOverrides"
+    :locale="locale === 'zh' ? zhCN : null"
+    :date-locale="locale === 'zh' ? dateZhCN : null"
+  >
     <NMessageProvider>
       <NDialogProvider>
         <div class="app-shell">
@@ -87,15 +93,24 @@ onBeforeUnmount(() => {
               <AppSidebar />
               <NLayoutContent class="workspace-main">
                 <header class="workspace-topbar">
-                  <span class="workspace-label">共享工作区</span>
-                  <div class="topbar-actions">
+                  <span class="workspace-label">{{ tr('共享工作区', 'Shared Workspace') }}</span>
+                  <div class="topbar-actions topbar-right">
+                    <button
+                      type="button"
+                      class="lang-toggle-btn"
+                      data-testid="lang-toggle-btn"
+                      :aria-label="locale === 'zh' ? 'Switch to English' : '切换到中文'"
+                      @click="toggleLocale"
+                    >
+                      {{ locale === 'zh' ? '🌐 EN' : '🌐 中文' }}
+                    </button>
                     <NBadge :value="unreadCount" :show="unreadCount > 0">
-                      <button type="button" class="icon-button" aria-label="收件箱" @click="router.push('/inbox')">
+                      <button type="button" class="icon-button" :aria-label="tr('收件箱', 'Inbox')" @click="router.push('/inbox')">
                         <NIcon :size="18"><Bell :size="18" aria-hidden="true" /></NIcon>
                       </button>
                     </NBadge>
                     <NDropdown :options="accountOptions" trigger="click" @select="onAccountSelect">
-                      <button type="button" class="account-menu-trigger" aria-label="账户菜单">
+                      <button type="button" class="account-menu-trigger" :aria-label="tr('账户菜单', 'Account menu')">
                         <AppAvatar :name="session.user.display_name" :color="session.user.avatar_color" :size="30" />
                         <span>{{ session.user.display_name }}</span>
                       </button>
@@ -112,3 +127,4 @@ onBeforeUnmount(() => {
     </NMessageProvider>
   </NConfigProvider>
 </template>
+

frontend/src/api/meetings.ts

@@ -1,5 +1,6 @@
 import { api, apiDownload } from './client'
 import type { Meeting, MeetingParticipantWrite } from '../domain/meetings'
+import { locale, type Locale } from '../i18n'
 
 export type LifecycleAction = 'start' | 'finish' | 'cancel' | 'reopen'
 
@@ -75,11 +76,23 @@ export function rotateApiKey() {
   })
 }
 
-export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: string): string {
-  const title = agendaTitle.trim() || '当前议题'
+const OUTCOME_TAG_LINE_RE = /^@(?:决策|行动|开放问题|问题|Decision|decision|Action|action|Question|question|OpenQuestion):/
+const BULLET_OUTCOME_TAG_RE = /^\s*[-*•]\s*(@(?:决策|行动|开放问题|问题|Decision|decision|Action|action|Question|question|OpenQuestion):.+)$/
+
+export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: string, lang: Locale = locale.value): string {
+  const useEn = lang === 'en'
+  const title = agendaTitle.trim() || (useEn ? 'Current Agenda' : '当前议题')
   const trimmed = rawMarkdown.trim()
 
   if (!trimmed) {
+    if (useEn) {
+      return [
+        `### ${title} · Key Discussion Points`,
+        `@Decision: Confirm core implementation plan and rollout path for "${title}"`,
+        `@Action:[open] Complete API integration and automated regression tests for "${title}"`,
+        `@Question: Does the legacy data migration window for "${title}" require canary verification?`,
+      ].join('\n')
+    }
     return [
       `### ${title} · 讨论要点`,
       `@决策: 确认「${title}」核心实施方案与演进路径`,
@@ -93,9 +106,13 @@ export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: stri
   const existingTags = new Set<string>()
   const extractedTags: string[] = []
 
+  const decPrefix = useEn ? '@Decision:' : '@决策:'
+  const actPrefix = useEn ? '@Action:' : '@行动:'
+  const qPrefix = useEn ? '@Question:' : '@开放问题:'
+
   for (const originalLine of lines) {
     const rawLine = originalLine.replace(/\\([[\]])/g, '$1')
-    const bulletTagMatch = rawLine.match(/^\s*[-*•]\s*(@(?:决策|行动|开放问题|问题):.+)$/)
+    const bulletTagMatch = rawLine.match(BULLET_OUTCOME_TAG_RE)
     if (bulletTagMatch) {
       const tagLine = bulletTagMatch[1].trim()
       normalizedLines.push(tagLine)
@@ -104,7 +121,7 @@ export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: stri
     }
 
     const stripped = rawLine.trim()
-    if (/^@(?:决策|行动|开放问题|问题):/.test(stripped)) {
+    if (OUTCOME_TAG_LINE_RE.test(stripped)) {
       normalizedLines.push(stripped)
       existingTags.add(stripped)
       continue
@@ -113,28 +130,62 @@ export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: stri
     normalizedLines.push(rawLine)
 
     const cleanLine = stripped.replace(/^[-*•\d.)\s]+/, '').trim()
-    if (!cleanLine || cleanLine.startsWith('#') || cleanLine.startsWith('```')) {
+    if (
+      !cleanLine
+      || cleanLine.startsWith('#')
+      || cleanLine.startsWith('```')
+      || /[：:]$/.test(cleanLine)
+    ) {
       continue
     }
 
-    if (/(?:决定|确定|决议|统一采用|采用|拍板|一致同意|定稿|结论[：:])/.test(cleanLine)) {
-      const content = cleanLine.replace(/^(?:团队一致决定|一致决定|决定|确定|决议|结论[：:])\s*/, '').trim()
+    if (
+      /(?:待确认|疑问|是否|如何|待评估|[？?]$)/.test(cleanLine)
+      || /\b(?:question|tbd|whether|how to|need to confirm|open question)\b/i.test(cleanLine)
+    ) {
+      const content = cleanLine
+        .replace(/^(?:待确认[：:]?|疑问[：:]?|问题[：:]?|open question[：:]?|question[：:]?|tbd[：:]?)\s*/i, '')
+        .trim()
+      if (content) {
+        const tag = `${qPrefix} ${content}`
+        if (!existingTags.has(tag)) extractedTags.push(tag)
+      }
+    } else if (
+      /^(?:请\s*@|待办|行动|action|todo)/i.test(cleanLine)
+      || (/@[a-zA-Z0-9_-]+/.test(cleanLine) && /(?:请|负责|跟进|待办|完成|完善|推进|输出|补充|联调|验证|编写|提交)/.test(cleanLine))
+    ) {
+      const content = cleanLine
+        .replace(/^(?:待办[：:]?|行动[：:]?|action[：:]?|todo[：:]?)\s*/i, '')
+        .trim()
       if (content) {
-        const tag = `@决策: ${content}`
+        const ownerMatch = content.match(/@([a-zA-Z0-9_-]+)/)
+        const ownerTag = ownerMatch ? `[@${ownerMatch[1]}]` : ''
+        const tag = `${actPrefix}[open]${ownerTag} ${content}`
         if (!existingTags.has(tag)) extractedTags.push(tag)
       }
-    } else if (/(?:待确认|疑问|是否|如何|待评估|[？?]$)/.test(cleanLine)) {
-      const content = cleanLine.replace(/^(?:待确认[：:]?|疑问[：:]?|问题[：:]?)\s*/, '').trim()
+    } else if (
+      /(?:决定|确定|决议|统一采用|采用|拍板|一致同意|定稿|结论[：:])/.test(cleanLine)
+      || /\b(?:decided|decide|agreed|agree|approved|approve|adopted|adopt|concluded|decision)\b/i.test(cleanLine)
+      || /^(?:decision|conclusion)[：:]/i.test(cleanLine)
+    ) {
+      const content = cleanLine
+        .replace(/^(?:团队一致决定|一致决定|决定|确定|决议|结论[：:]|decision[：:]|conclusion[：:])\s*/i, '')
+        .trim()
       if (content) {
-        const tag = `@开放问题: ${content}`
+        const tag = `${decPrefix} ${content}`
         if (!existingTags.has(tag)) extractedTags.push(tag)
       }
-    } else if (/(?:负责|跟进|待办|完成|推进|输出|补充|联调|验证|编写|提交)/.test(cleanLine)) {
-      const content = cleanLine.replace(/^(?:待办[：:]?|行动[：:]?)\s*/, '').trim()
+    } else if (
+      /(?:负责|跟进|待办|完成|完善|推进|输出|补充|联调|验证|编写|提交)/.test(cleanLine)
+      || /\b(?:will|todo|action|follow up|implement|complete|verify|test|prepare|submit|assign)\b/i.test(cleanLine)
+    ) {
+      const content = cleanLine
+        .replace(/^(?:待办[：:]?|行动[：:]?|action[：:]?|todo[：:]?)\s*/i, '')
+        .trim()
       if (content) {
         const ownerMatch = content.match(/@([a-zA-Z0-9_-]+)/)
         const ownerTag = ownerMatch ? `[@${ownerMatch[1]}]` : ''
-        const tag = `@行动:[open]${ownerTag} ${content}`
+        const tag = `${actPrefix}[open]${ownerTag} ${content}`
         if (!existingTags.has(tag)) extractedTags.push(tag)
       }
     }
@@ -146,6 +197,17 @@ export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: stri
   }
 
   if (existingTags.size === 0) {
+    if (useEn) {
+      return [
+        normalizedLines.join('\n'),
+        '',
+        `@Decision: Confirm rollout plan for "${title}"`,
+        '',
+        `@Action:[open] Follow up on implementation and integration testing for "${title}"`,
+        '',
+        `@Question: Cross-module boundary details for "${title}" pending final confirmation`,
+      ].join('\n')
+    }
     return [
       normalizedLines.join('\n'),
       '',
@@ -160,3 +222,4 @@ export function smartStructureAgendaNotes(rawMarkdown: string, agendaTitle: stri
   return normalizedLines.join('\n')
 }
 
+