feat(life): add community feed for user posts

Add life_posts schema and CRUD API endpoints
Implement LifeView with inline composer and feed display

frontend/src/i18n.ts

@@ -44,6 +44,7 @@ const messages = {
       items: 'Items',
       recipes: 'Recipes',
       checklist: 'CheckList',
+      life: 'Life',
       admin: 'Admin',
       main: 'Main navigation',
       language: 'Language',
@@ -220,6 +221,35 @@ const messages = {
         newTask: 'New task',
         editTask: 'Edit task'
       },
+      life: {
+        title: 'Life',
+        subtitle: 'Share favourite thoughts, tips, and community finds.',
+        kicker: 'Community Feed',
+        composerTitle: 'Share something',
+        composerPrompt: 'What would you like to share?',
+        bodyLabel: 'Post',
+        bodyPlaceholder: 'Share a thought, tip, or discovery...',
+        publish: 'Post',
+        publishing: 'Posting',
+        update: 'Update',
+        updating: 'Updating',
+        cancelEdit: 'Cancel edit',
+        empty: 'No posts yet',
+        loading: 'Loading Life feed',
+        loginPrompt: 'Log in with a verified email to post.',
+        verifyPrompt: 'Complete email verification to post.',
+        editPost: 'Edit post',
+        deletePost: 'Delete post',
+        saveEdit: 'Save edit',
+        postFailed: 'Post failed',
+        saveFailed: 'Save failed',
+        deleteFailed: 'Delete failed',
+        bodyRequired: 'Please enter a post.',
+        byUnknown: 'Community member',
+        edited: 'Edited',
+        deleteConfirm: 'Delete this post?',
+        charactersLeft: '{count} characters left'
+      },
       admin: {
         title: 'Admin',
         subtitle: 'Maintain system configuration and manage Wiki records.',
@@ -327,6 +357,7 @@ const messages = {
       items: '物品',
       recipes: '材料单',
       checklist: 'CheckList',
+      life: 'Life',
       admin: '管理',
       main: '主导航',
       language: '语言',
@@ -503,6 +534,35 @@ const messages = {
         newTask: '新增 Task',
         editTask: '编辑 Task'
       },
+      life: {
+        title: 'Life',
+        subtitle: '分享喜欢的心得、想法和社区发现。',
+        kicker: '社区动态',
+        composerTitle: '分享动态',
+        composerPrompt: '想分享什么？',
+        bodyLabel: '动态内容',
+        bodyPlaceholder: '分享一段想法、心得或发现……',
+        publish: '发布',
+        publishing: '发布中',
+        update: '更新',
+        updating: '更新中',
+        cancelEdit: '取消编辑',
+        empty: '暂无动态',
+        loading: '正在加载 Life 动态',
+        loginPrompt: '使用已验证邮箱登录后即可发布。',
+        verifyPrompt: '完成邮箱验证后即可发布。',
+        editPost: '编辑动态',
+        deletePost: '删除动态',
+        saveEdit: '保存编辑',
+        postFailed: '发布失败',
+        saveFailed: '保存失败',
+        deleteFailed: '删除失败',
+        bodyRequired: '请输入动态内容。',
+        byUnknown: '社区成员',
+        edited: '已编辑',
+        deleteConfirm: '确认删除这条动态？',
+        charactersLeft: '还可以输入 {count} 个字符'
+      },
       admin: {
         title: '管理',
         subtitle: '维护系统配置，查看并删除 Wiki 数据记录。',