refactor: 重构设置、API、图库与存储页面前端结构。

将操作日志并入设置侧栏，补齐检查更新提示与版本接口刷新；拆分各模块组件并修复图库搜索分页变量。

i18n/locales/en.json

@@ -149,11 +149,13 @@
     "url": "URL",
     "markdown": "Markdown",
     "html": "HTML",
+    "bbcode": "BBCode",
     "copied": "Copied to clipboard",
     "copiedLabel": "Copied {label}",
     "copiedUrl": "URL copied",
     "copiedMarkdown": "Markdown copied",
     "copiedHtml": "HTML copied",
+    "copiedBbcode": "BBCode copied",
     "copiedFormat": "Copied {format}",
     "failed": "Copy failed",
     "failedManual": "Copy failed — select the link manually",
@@ -181,12 +183,39 @@
   },
   "settings": {
     "title": "System settings",
+    "pageTitle": "Settings & preferences",
+    "pageSubtitle": "Manage system configuration and activity logs",
+    "pageSubtitleBasic": "Manage system configuration and upload preferences",
+    "navBasic": "Basic",
+    "navDomains": "Domains & paths",
+    "navAccess": "Access control",
+    "navPreferences": "Preferences",
+    "navLogs": "Activity log",
+    "systemVersion": "Version",
+    "checkUpdate": "Check for updates",
+    "saveSettings": "Save settings",
     "subtitle": "Saved to database; environment variables take precedence",
     "featureToggles": "Feature toggles",
+    "featureTogglesHint": "Control registration and system behavior",
+    "pathAndLink": "Paths & links",
+    "pathAndLinkHint": "Control image URL format and upload directory structure",
+    "domainSeparationSection": "Domain separation",
     "allowRegistration": "Open registration",
     "allowRegistrationHint": "Allow new users to register (regular users see only their images)",
     "accessControl": "Access control",
     "refererHint": "Referer hotlink protection; comma-separated hostnames, empty = no restriction",
+    "refererDomainsLabel": "Allowed domains",
+    "refererTip": "Separate multiple domains with commas (,); wildcards are not supported",
+    "refererExamplesTitle": "Example",
+    "refererExamplesSample": "example.com, static.example.com",
+    "refererScenarioTitle": "Common use case",
+    "refererScenarioDesc": "Allow your main site and static site to embed images",
+    "refererEnabled": "Enabled",
+    "refererUnrestricted": "Unrestricted",
+    "systemInfo": "System",
+    "systemInfoHint": "Current version and updates",
+    "uploadConvenience": "Upload convenience",
+    "defaultCopyFormat": "Default copy format",
     "refererPlaceholder": "example.com, www.example.com",
     "domainSettings": "Domain settings",
     "domainSeparationActive": "Domain separation enabled: image host serves images only; site host serves admin and API",
@@ -214,12 +243,15 @@
     "badgeSaved": "Saved",
     "badgeDefault": "Default",
     "badgeUnset": "Not set",
+    "badgeOptional": "Optional",
     "tokenEnv": "Environment",
     "tokenDb": "Generated in app",
     "tokenNone": "Not configured",
-    "apiTokenLine": "API Token · {source} ·",
+    "apiTokenLine": "Source: {source}",
     "viewReleases": "View releases",
     "updateAvailable": "Update available: {version}",
+    "upToDate": "You are on the latest version",
+    "checkUpdateFailed": "Failed to check for updates. Please try again later",
     "unsavedChanges": "Unsaved changes",
     "manageToken": "Manage token",
     "envOverride": "Overridden by environment variable; cannot edit in UI",
@@ -278,11 +310,36 @@
     "servingPublicShort": "Public",
     "backendName": "Display name",
     "badgeDefault": "Default",
+    "badgeDefaultStorage": "Default storage",
     "badgeDisabled": "Disabled",
     "badgeEnabled": "Enabled",
+    "overviewTitle": "Storage overview",
+    "overviewSubtitle": "Usage across all storage backends",
+    "overviewTotal": "Total capacity",
+    "overviewUsed": "Used",
+    "overviewFree": "Free",
+    "overviewUsageRate": "Overall usage",
+    "overviewQuota": "Total quota",
+    "overviewInstances": "Backends",
+    "overviewActive": "Active",
+    "capacityDistribution": "Distribution",
+    "backendType": "Type",
+    "storageId": "Storage ID",
+    "storageType": "Storage type",
+    "badgeLocal": "Local",
+    "defaultStorageTip": "Default storage: new uploads are saved to “{name}”. Use “Set as default” on another backend to change this.",
+    "supportedTitle": "Supported backends",
+    "supportedSubtitle": "PicHost supports multiple storage backends for different scenarios",
+    "supportedLocalDesc": "Ideal for small deployments and personal use",
+    "supportedR2Desc": "Highly available, low-cost object storage",
+    "supportedS3Title": "S3 compatible",
+    "supportedS3Desc": "Storage services compatible with the Amazon S3 API",
+    "footerTip": "The default backend receives all new uploads",
     "statTotal": "Total",
     "statUsed": "Used",
     "statFree": "Free",
+    "statFileCount": "Files",
+    "statQuota": "Quota",
     "usageRate": "Usage",
     "indexImages": "PicHost images {count} · {size}",
     "setDefault": "Set as default",
@@ -313,7 +370,16 @@
     "uploadToday": "Uploaded today",
     "uploadMonth": "Uploaded this month",
     "uploadTotal": "Total uploads",
-    "storedCount": "Stored images",
+    "storedCount": "Stored now",
+    "totalFiles": "Total files",
+    "totalOccupied": "{size} used",
+    "storageUsage": "Storage usage",
+    "noQuota": "No quota configured",
+    "vsYesterday": "vs yesterday",
+    "vsLastMonth": "vs last month",
+    "trendUp": "↑ {p}%",
+    "trendDown": "↓ {p}%",
+    "trendFlat": "flat",
     "deleteToday": "Deleted today",
     "deleteMonth": "Deleted this month",
     "deleteTotal": "Total deleted",
@@ -322,15 +388,39 @@
     "sourceDistribution": "Uploads by source",
     "sourceWeb": "Web",
     "sourceApi": "API",
+    "tagWeb": "Web",
+    "tagApi": "API",
     "noData": "No data",
     "gallery": "Gallery",
     "imagesSection": "All images",
     "filterStorageAll": "All storage",
     "storage": "Storage",
     "searchPlaceholder": "Search filename",
+    "searchPlaceholderWide": "Search filename, tags, or links",
+    "filterType": "Image type",
+    "filterTypeAll": "All types",
+    "filterSource": "Upload source",
+    "filterSourceAll": "All sources",
+    "sourceWeb": "Web upload",
+    "sourceApi": "API upload",
+    "resetFilters": "Reset",
+    "batchActions": "Bulk actions",
+    "selectedItems": "{n} selected",
+    "colFilename": "Filename",
+    "colPreview": "Preview",
+    "colSize": "Size",
+    "colType": "Type",
+    "colSource": "Source",
+    "colUploadedAt": "Uploaded",
+    "colActions": "Actions",
+    "previewBadge": "Image",
     "clear": "Clear",
     "selected": "{n} selected",
     "batchDelete": "Delete selected",
+    "batchSelect": "Batch select",
+    "viewMode": "View mode",
+    "viewGrid": "Grid view",
+    "viewList": "List view",
     "selectAll": "Select all",
     "invertSelection": "Invert",
     "clearSelection": "Clear selection",
@@ -378,19 +468,23 @@
     "previewFailed": "Preview failed",
     "openPreview": "View full image",
     "previewTitle": "Image details",
+    "previewSubtitle": "View image info and links",
     "previewOriginalName": "Filename",
     "previewUploadedAt": "Uploaded",
     "previewSize": "Size",
-    "previewContentType": "Type",
+    "previewSizeDetail": "{size} ({bytes} bytes)",
+    "previewContentType": "File type",
     "previewOwner": "Uploader",
     "previewStorage": "Storage",
-    "previewKey": "Storage path",
+    "previewKey": "Image path",
     "previewExtension": "Extension",
     "previewDimensions": "Dimensions",
     "previewDimensionsUnknown": "Loading…",
     "previewUploadSource": "Upload source",
     "uploadSourceUnknown": "Unknown",
-    "previewLinks": "Links",
+    "previewLinks": "Links & embed",
+    "previewCopyLink": "Copy link",
+    "previewDownload": "Download",
     "previewOpen": "Open in new tab",
     "previewClose": "Close",
     "uploader": "Uploader: {name}",
@@ -402,6 +496,11 @@
     "confirm": "Delete"
   },
   "pagination": {
+    "totalCount": "{total} {unit}",
+    "pageStatus": "Page {page} / {totalPages}",
+    "perPage": "{size} / page",
+    "pageSize": "Page size",
+    "pageNumber": "Page {page}",
     "pageOf": "Page {page} / {totalPages} · {total} {unit}",
     "totalOnly": "{total} {unit}",
     "first": "First page",
@@ -409,6 +508,8 @@
     "next": "Next page",
     "last": "Last page",
     "goTo": "Go",
+    "goToPrefix": "Go to",
+    "goToSuffix": "",
     "pagePlaceholder": "Page"
   },
   "api": {
@@ -437,6 +538,74 @@
     "newTokenDesc": "Copy and save it now. You can copy again from the field above after closing.",
     "copyToken": "Copy token",
     "saved": "Saved",
+    "searchPlaceholder": "Search endpoints…",
+    "showToken": "Show",
+    "hideToken": "Hide",
+    "helpText": "Need help? Read the full API docs",
+    "helpTitle": "Need help?",
+    "helpSubtitle": "Read the full API docs",
+    "expand": "Expand",
+    "collapse": "Collapse",
+    "viewDocs": "View docs",
+    "requestParams": "Request parameters",
+    "paramName": "Name",
+    "paramType": "Type",
+    "paramLocation": "In",
+    "paramRequired": "Required",
+    "paramDescription": "Description",
+    "required": "Yes",
+    "optional": "No",
+    "requestExample": "Request example",
+    "responseExample": "Response example",
+    "categories": {
+      "image": "Images",
+      "extension": "Plugins",
+      "system": "System"
+    },
+    "params": {
+      "upload": {
+        "image": "Primary upload field",
+        "file": "Compatibility field, single file",
+        "files": "Compatibility field, multiple files",
+        "token": "Twikoo protocol form token"
+      },
+      "list": {
+        "limit": "Page size, default 20, max 100",
+        "page": "Page number, starts at 1"
+      },
+      "search": {
+        "q": "Search keyword, required"
+      },
+      "delete": {
+        "key": "Storage path, e.g. images/2026/08/xxx.webp"
+      },
+      "batchDelete": {
+        "keys": "Array of image keys to delete"
+      },
+      "twikoo": {
+        "image": "Image file",
+        "token": "API token"
+      },
+      "backendId": "Storage backend ID, optional"
+    },
+    "debug": {
+      "title": "Try it",
+      "headers": "Headers",
+      "query": "Query",
+      "body": "Body",
+      "send": "Send request",
+      "response": "Response",
+      "selectFile": "Select file",
+      "noFileSelected": "No file selected",
+      "tokenPlaceholder": "Enter Auth-Token",
+      "invalidJson": "Invalid JSON",
+      "sendFailed": "Request failed",
+      "networkError": "Network error or unreachable",
+      "notesTitle": "Notes",
+      "noteSuccess": "200 means success with JSON body",
+      "noteError": "4xx / 5xx means failure; check error field",
+      "noteLimit": "Upload limit: up to 10 files, 10 MB each"
+    },
     "docs": {
       "upload": {
         "title": "Upload images",
@@ -461,6 +630,14 @@
       "twikoo": {
         "title": "Twikoo-compatible upload",
         "desc": "Twikoo / EasyImage 2.0 protocol; stored under images/. Fields: image + token."
+      },
+      "config": {
+        "title": "Get config",
+        "desc": "Public system config; no authentication required."
+      },
+      "count": {
+        "title": "Image count",
+        "desc": "Total images in your visible scope."
       }
     }
   },

i18n/locales/zh-CN.json

@@ -149,11 +149,13 @@
     "url": "直链",
     "markdown": "Markdown",
     "html": "HTML",
+    "bbcode": "BBCode",
     "copied": "已复制到剪贴板",
     "copiedLabel": "已复制 {label}",
     "copiedUrl": "已复制直链",
     "copiedMarkdown": "已复制 Markdown",
     "copiedHtml": "已复制 HTML",
+    "copiedBbcode": "已复制 BBCode",
     "copiedFormat": "已复制 {format}",
     "failed": "复制失败",
     "failedManual": "复制失败，请手动选中链接复制",
@@ -181,12 +183,39 @@
   },
   "settings": {
     "title": "系统设置",
+    "pageTitle": "设置与偏好",
+    "pageSubtitle": "管理系统配置与操作日志",
+    "pageSubtitleBasic": "管理系统配置与上传偏好",
+    "navBasic": "基础设置",
+    "navDomains": "域名与路径",
+    "navAccess": "访问控制",
+    "navPreferences": "偏好设置",
+    "navLogs": "操作日志",
+    "systemVersion": "系统版本",
+    "checkUpdate": "检查更新",
+    "saveSettings": "保存设置",
     "subtitle": "保存后写入数据库；环境变量优先级更高",
     "featureToggles": "功能开关",
+    "featureTogglesHint": "控制注册与系统行为",
+    "pathAndLink": "路径与链接",
+    "pathAndLinkHint": "控制图片直链格式与上传目录结构",
+    "domainSeparationSection": "域名分离",
     "allowRegistration": "开放用户注册",
     "allowRegistrationHint": "允许新用户自行注册（普通用户仅可见自己的图片）",
     "accessControl": "访问控制",
     "refererHint": "Referer 防盗链，逗号分隔允许引用的域名，留空不限制",
+    "refererDomainsLabel": "允许引用的域名",
+    "refererTip": "多个域名请使用英文逗号 (,) 分隔，不支持通配符",
+    "refererExamplesTitle": "推荐示例",
+    "refererExamplesSample": "example.com, static.example.com",
+    "refererScenarioTitle": "常见场景",
+    "refererScenarioDesc": "允许主站与静态站点引用图片",
+    "refererEnabled": "已开启",
+    "refererUnrestricted": "未限制",
+    "systemInfo": "系统信息",
+    "systemInfoHint": "当前系统版本与更新",
+    "uploadConvenience": "上传便捷功能",
+    "defaultCopyFormat": "默认复制格式",
     "refererPlaceholder": "example.com, www.example.com",
     "domainSettings": "域名配置",
     "domainSeparationActive": "已启用域名分离：图片域仅出图，管理域提供后台与 API",
@@ -214,12 +243,15 @@
     "badgeSaved": "已保存",
     "badgeDefault": "默认",
     "badgeUnset": "未设置",
+    "badgeOptional": "可选",
     "tokenEnv": "环境变量",
     "tokenDb": "后台生成",
     "tokenNone": "未配置",
-    "apiTokenLine": "API Token · {source} ·",
+    "apiTokenLine": "来源：{source}",
     "viewReleases": "查看发行版",
     "updateAvailable": "有新版本 {version}",
+    "upToDate": "当前已是最新版本",
+    "checkUpdateFailed": "检查更新失败，请稍后重试",
     "unsavedChanges": "有未保存的更改",
     "manageToken": "管理 Token",
     "envOverride": "该项已由环境变量覆盖，无法在后台修改",
@@ -278,11 +310,36 @@
     "servingPublicShort": "公开",
     "backendName": "显示名称",
     "badgeDefault": "默认",
+    "badgeDefaultStorage": "默认存储",
     "badgeDisabled": "已停用",
     "badgeEnabled": "已启用",
+    "overviewTitle": "存储总览",
+    "overviewSubtitle": "所有存储后端使用情况",
+    "overviewTotal": "总容量",
+    "overviewUsed": "已用容量",
+    "overviewFree": "剩余容量",
+    "overviewUsageRate": "总体使用率",
+    "overviewQuota": "总配额",
+    "overviewInstances": "存储实例",
+    "overviewActive": "活跃后台",
+    "capacityDistribution": "容量分布",
+    "backendType": "类型",
+    "storageId": "存储标识",
+    "storageType": "存储类型",
+    "badgeLocal": "本地",
+    "defaultStorageTip": "默认存储提示：新上传的图片将默认保存到「{name}」。可点击其他后端的「设为默认」进行修改。",
+    "supportedTitle": "支持的存储后端",
+    "supportedSubtitle": "PicHost 支持多种存储后端，满足不同场景需求",
+    "supportedLocalDesc": "适合小型部署和个人使用",
+    "supportedR2Desc": "高可用、低成本的对象存储",
+    "supportedS3Title": "S3 兼容",
+    "supportedS3Desc": "兼容 Amazon S3 协议的存储服务",
+    "footerTip": "默认存储后端将自动接收所有新上传的图片",
     "statTotal": "总量",
     "statUsed": "已用",
     "statFree": "剩余",
+    "statFileCount": "文件数量",
+    "statQuota": "配额",
     "usageRate": "使用率",
     "indexImages": "PicHost 图片 {count} 张 · {size}",
     "setDefault": "设为默认",
@@ -313,7 +370,16 @@
     "uploadToday": "今日上传",
     "uploadMonth": "本月上传",
     "uploadTotal": "累计上传",
-    "storedCount": "当前库存",
+    "storedCount": "当前存储",
+    "totalFiles": "总文件数",
+    "totalOccupied": "共占用 {size}",
+    "storageUsage": "存储使用率",
+    "noQuota": "未配置容量上限",
+    "vsYesterday": "较昨日",
+    "vsLastMonth": "较上月",
+    "trendUp": "↑ {p}%",
+    "trendDown": "↓ {p}%",
+    "trendFlat": "持平",
     "deleteToday": "今日删除",
     "deleteMonth": "本月删除",
     "deleteTotal": "累计删除",
@@ -322,15 +388,39 @@
     "sourceDistribution": "上传来源分布",
     "sourceWeb": "网页",
     "sourceApi": "API",
+    "tagWeb": "网页",
+    "tagApi": "API",
     "noData": "暂无数据",
     "gallery": "图库记录",
     "imagesSection": "全部图片",
     "filterStorageAll": "全部存储",
     "storage": "存储",
     "searchPlaceholder": "搜索文件名",
-    "clear": "清除",
+    "searchPlaceholderWide": "搜索文件名、标签或链接",
+    "filterType": "图片类型",
+    "filterTypeAll": "全部类型",
+    "filterSource": "上传来源",
+    "filterSourceAll": "全部来源",
+    "sourceWeb": "网页上传",
+    "sourceApi": "API 上传",
+    "resetFilters": "重置",
+    "batchActions": "批量操作",
+    "selectedItems": "已选择 {n} 项",
+    "colFilename": "文件名",
+    "colPreview": "预览",
+    "colSize": "大小",
+    "colType": "类型",
+    "colSource": "来源",
+    "colUploadedAt": "上传时间",
+    "colActions": "操作",
+    "previewBadge": "图片",
+    "clear": "清空",
     "selected": "已选 {n}",
     "batchDelete": "批量删除",
+    "batchSelect": "批量选择",
+    "viewMode": "视图模式",
+    "viewGrid": "网格视图",
+    "viewList": "列表视图",
     "selectAll": "全选",
     "invertSelection": "反选",
     "clearSelection": "取消选择",
@@ -378,19 +468,23 @@
     "previewFailed": "预览失败",
     "openPreview": "查看大图",
     "previewTitle": "图片详情",
+    "previewSubtitle": "查看图片信息与链接",
     "previewOriginalName": "文件名",
     "previewUploadedAt": "上传时间",
     "previewSize": "大小",
-    "previewContentType": "类型",
-    "previewOwner": "上传者",
-    "previewStorage": "存储",
-    "previewKey": "存储路径",
+    "previewSizeDetail": "{size}（{bytes} 字节）",
+    "previewContentType": "文件类型",
+    "previewOwner": "上传用户",
+    "previewStorage": "存储位置",
+    "previewKey": "图片路径",
     "previewExtension": "扩展名",
     "previewDimensions": "尺寸",
     "previewDimensionsUnknown": "加载中…",
     "previewUploadSource": "上传方式",
     "uploadSourceUnknown": "未知",
-    "previewLinks": "链接",
+    "previewLinks": "链接与嵌入",
+    "previewCopyLink": "复制链接",
+    "previewDownload": "下载原图",
     "previewOpen": "新窗口打开",
     "previewClose": "关闭",
     "uploader": "上传者：{name}",
@@ -402,6 +496,11 @@
     "confirm": "确认删除"
   },
   "pagination": {
+    "totalCount": "共 {total} {unit}",
+    "pageStatus": "第 {page} / {totalPages} 页",
+    "perPage": "{size} 条/页",
+    "pageSize": "每页条数",
+    "pageNumber": "第 {page} 页",
     "pageOf": "第 {page} / {totalPages} 页 · 共 {total} {unit}",
     "totalOnly": "共 {total} {unit}",
     "first": "第一页",
@@ -409,6 +508,8 @@
     "next": "下一页",
     "last": "最后一页",
     "goTo": "跳转",
+    "goToPrefix": "前往",
+    "goToSuffix": "页",
     "pagePlaceholder": "页码"
   },
   "api": {
@@ -437,6 +538,74 @@
     "newTokenDesc": "请立即复制保存。关闭弹窗后仍可在上方输入框复制，但请尽快更新到你的脚本配置中。",
     "copyToken": "复制 Token",
     "saved": "我已保存",
+    "searchPlaceholder": "搜索接口…",
+    "showToken": "显示",
+    "hideToken": "隐藏",
+    "helpText": "需要帮助？查看完整 API 文档",
+    "helpTitle": "需要帮助？",
+    "helpSubtitle": "查看完整 API 文档",
+    "expand": "展开",
+    "collapse": "收起",
+    "viewDocs": "查看文档",
+    "requestParams": "请求参数",
+    "paramName": "参数名",
+    "paramType": "类型",
+    "paramLocation": "位置",
+    "paramRequired": "必填",
+    "paramDescription": "说明",
+    "required": "是",
+    "optional": "否",
+    "requestExample": "请求示例",
+    "responseExample": "响应示例",
+    "categories": {
+      "image": "图片接口",
+      "extension": "插件接口",
+      "system": "系统通用"
+    },
+    "params": {
+      "upload": {
+        "image": "上传图片，主字段",
+        "file": "兼容字段，单图上传",
+        "files": "兼容字段，多图上传",
+        "token": "Twikoo 协议兼容，表单 token"
+      },
+      "list": {
+        "limit": "每页条数，默认 20，最大 100",
+        "page": "页码，从 1 开始"
+      },
+      "search": {
+        "q": "搜索关键词，必填"
+      },
+      "delete": {
+        "key": "图片存储路径，如 images/2026/08/xxx.webp"
+      },
+      "batchDelete": {
+        "keys": "要删除的图片 key 数组"
+      },
+      "twikoo": {
+        "image": "上传图片",
+        "token": "API Token"
+      },
+      "backendId": "存储后端 ID，可选"
+    },
+    "debug": {
+      "title": "在线调试",
+      "headers": "Headers",
+      "query": "Query",
+      "body": "Body",
+      "send": "发送请求",
+      "response": "响应",
+      "selectFile": "选择文件",
+      "noFileSelected": "未选择任何文件",
+      "tokenPlaceholder": "输入 Auth-Token",
+      "invalidJson": "JSON 格式无效",
+      "sendFailed": "请求发送失败",
+      "networkError": "网络错误或无法连接",
+      "notesTitle": "响应说明",
+      "noteSuccess": "200 表示请求成功，返回 JSON 数据",
+      "noteError": "4xx / 5xx 表示请求失败，查看 error 字段",
+      "noteLimit": "上传限制：单次最多 10 张，单张最大 10 MB"
+    },
     "docs": {
       "upload": {
         "title": "上传图片",
@@ -461,6 +630,14 @@
       "twikoo": {
         "title": "twikoo 兼容上传",
         "desc": "兼容 Twikoo / EasyImage 2.0 协议，图片存入 images/ 目录；字段 image + token。"
+      },
+      "config": {
+        "title": "获取配置",
+        "desc": "获取系统公开配置，无需鉴权。"
+      },
+      "count": {
+        "title": "图片数量统计",
+        "desc": "获取当前可见范围内的图片总数。"
       }
     }
   },