feat: add Sheet component for bottom sheet UI with drag-to-dismiss and snap points

test: implement DialogStyleContext tests for preference management and style recommendations

test: create tests for useAutoSelection hook, including countdown and pause functionality

feat: implement useAutoSelection hook for enhanced auto-selection with sound notifications

feat: create Zustand store for managing issue submission wizard state

feat: add Zod validation schemas for issue-related API requests

feat: implement issue service for CRUD operations and validation handling

feat: define TypeScript types for issue submission and management

ccw/frontend/src/locales/zh/issues.json

@@ -448,5 +448,34 @@
     "autoStart": {
       "label": "拖到进行中自动执行"
     }
+  },
+  "issueDialog": {
+    "titleLabel": "标题",
+    "titlePlaceholder": "请输入Issue标题...",
+    "descriptionLabel": "描述",
+    "descriptionPlaceholder": "请详细描述问题或需求...",
+    "typeLabel": "选择类型",
+    "typeBug": "Bug",
+    "typeBugDesc": "功能异常或错误",
+    "typeFeature": "Feature",
+    "typeFeatureDesc": "新功能需求",
+    "typeImprovement": "Improvement",
+    "typeImprovementDesc": "现有功能改进",
+    "typeOther": "Other",
+    "typeOtherDesc": "其他类型",
+    "priorityLabel": "选择优先级",
+    "priorityLow": "低",
+    "priorityMedium": "中",
+    "priorityHigh": "高",
+    "priorityUrgent": "紧急",
+    "summaryTitle": "标题",
+    "summaryDescription": "描述",
+    "summaryType": "类型",
+    "summaryPriority": "优先级",
+    "cancel": "取消",
+    "previous": "上一步",
+    "next": "下一步",
+    "submit": "提交",
+    "submitting": "提交中..."
   }
 }

ccw/frontend/src/locales/zh/navigation.json

@@ -94,5 +94,11 @@
     "tokens": "令牌数",
     "duration": "耗时",
     "model": "模型"
+  },
+  "toolbar": {
+    "a2ui": {
+      "button": "A2UI",
+      "quickAction": "A2UI 快速操作"
+    }
   }
 }

ccw/frontend/src/locales/zh/settings.json

@@ -10,7 +10,8 @@
     "systemStatus": "系统状态",
     "hooks": "Git 钩子",
     "rules": "规则",
-    "about": "关于"
+    "about": "关于",
+    "a2ui": "A2UI 偏好设置"
   },
   "appearance": {
     "title": "外观",
@@ -210,5 +211,28 @@
     "description": "将所有用户偏好重置为默认值。此操作无法撤销。",
     "confirm": "确定要将所有设置重置为默认值吗？",
     "button": "重置为默认值"
+  },
+  "a2ui": {
+    "title": "A2UI 偏好设置",
+    "dialogStyle": "对话框风格",
+    "dialogStyleDesc": "选择 A2UI 对话框的显示方式",
+    "styleModal": "弹窗",
+    "styleModalDesc": "居中显示",
+    "styleDrawer": "抽屉",
+    "styleDrawerDesc": "侧边面板",
+    "styleSheet": "底部弹出",
+    "styleSheetDesc": "从底部弹出",
+    "styleFullscreen": "全屏",
+    "styleFullscreenDesc": "全屏显示",
+    "smartMode": "智能模式",
+    "smartModeDesc": "根据问题类型自动选择风格",
+    "autoSelectionDuration": "自动选择倒计时",
+    "autoSelectionDurationDesc": "自动选择默认选项前的倒计时",
+    "pauseOnInteraction": "交互时暂停",
+    "pauseOnInteractionDesc": "与对话框交互时暂停倒计时",
+    "soundNotification": "声音提醒",
+    "soundNotificationDesc": "自动提交前 3 秒播放提示音",
+    "showToolbarButton": "显示工具栏按钮",
+    "showToolbarButtonDesc": "在工具栏显示 A2UI 快速操作按钮"
   }
 }