diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..12930a2
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+.gitattributes text eol=lf
+internal/i18n/locales/*.json text eol=lf
diff --git a/internal/i18n/locales/en-US.json b/internal/i18n/locales/en-US.json
index bd726a8..2a261ca 100644
--- a/internal/i18n/locales/en-US.json
+++ b/internal/i18n/locales/en-US.json
@@ -5,7 +5,6 @@
   "cmd.auth.logout.short": "Logout from GitLink",
   "cmd.auth.short": "Authentication commands",
   "cmd.auth.status.short": "Show authentication status",
-  "cmd.branch.all.short": "List all branch names (no pagination)",
   "cmd.branch.create.short": "Create a branch",
   "cmd.branch.delete.short": "Delete a branch",
   "cmd.branch.list.short": "List branches",
@@ -35,7 +34,7 @@
   "cmd.dataset.view.short": "View a repository's dataset",
   "cmd.doctor.long": "Run local diagnostics for gitlink-cli configuration, authentication, repository context and API connectivity.",
   "cmd.doctor.short": "Diagnose gitlink-cli environment problems",
-  "cmd.ignore.short": "Gitignore template operations",
+  "cmd.ignore.short": "Ignore-file template operations",
   "cmd.issue.batch_close.long": "Close filtered issues in bulk.\n\nThis command defaults to dry-run mode and only prints matching issues.\nPass --yes to execute remote close operations. Use restrictive filters and a small limit.\n\nExamples:\n  gitlink-cli issue +batch-close --owner Gitlink --repo gitlink-cli --older-than-days 60 --limit 20\n  gitlink-cli issue +batch-close --owner Gitlink --repo gitlink-cli --older-than-days 60 --limit 20 --yes",
   "cmd.issue.batch_close.short": "Close filtered issues in bulk. Defaults to dry-run; pass --yes to execute.",
   "cmd.issue.batch_label.long": "Add a label to filtered issues in bulk.\n\nThis command defaults to dry-run mode and only prints matching issues.\nPass --yes to execute remote label operations. The current implementation does not fake label writes when the API endpoint is unavailable.\n\nExamples:\n  gitlink-cli issue +batch-label --owner Gitlink --repo gitlink-cli --add-label stale --older-than-days 30 --limit 50\n  gitlink-cli issue +batch-label --owner Gitlink --repo gitlink-cli --add-label stale --older-than-days 30 --limit 50 --yes",
@@ -45,9 +44,7 @@
   "cmd.issue.close.short": "Close an issue",
   "cmd.issue.comment.short": "Add a comment to an issue",
   "cmd.issue.create.short": "Create a new issue",
-  "cmd.issue.delete.short": "Delete an issue",
   "cmd.issue.list.short": "List issues",
-  "cmd.issue.reopen.short": "Reopen a closed issue",
   "cmd.issue.short": "Issue operations",
   "cmd.issue.update.short": "Update an issue",
   "cmd.issue.view.short": "View issue details",
@@ -56,8 +53,6 @@
   "cmd.org.list.short": "List organizations",
   "cmd.org.members.short": "List organization members",
   "cmd.org.short": "Organization operations",
-  "cmd.pr.checkout.long": "Fetch the head branch of a pull request into the current git repository and check it out, mirroring `gh pr checkout`. Fork pull requests are fetched from the fork clone URL automatically.",
-  "cmd.pr.checkout.short": "Check out a pull request branch locally",
   "cmd.pr.close.short": "Close a pull request",
   "cmd.pr.comment.short": "Add a comment to a pull request",
   "cmd.pr.create.short": "Create a pull request",
@@ -87,14 +82,11 @@
   "cmd.release.list.short": "List releases",
   "cmd.release.short": "Release operations",
   "cmd.release.view.short": "View release details",
-  "cmd.repo.blob.short": "Fetch a git blob object by SHA",
   "cmd.repo.create.short": "Create a new repository",
   "cmd.repo.delete.short": "Delete a repository",
   "cmd.repo.fork.short": "Fork a repository",
-  "cmd.repo.git_tree.short": "List entries of a git tree object by SHA or ref",
   "cmd.repo.info.short": "Show repository details",
   "cmd.repo.list.short": "List repositories for a user or organization",
-  "cmd.repo.rename.short": "Rename the current repository",
   "cmd.repo.short": "Repository operations",
   "cmd.repo.tree.short": "List repository files and directories",
   "cmd.root.long": "Manage repositories, issues, pull requests, releases, CI and workflows on GitLink.",
@@ -121,7 +113,6 @@
   "error.config.save_failed": "failed to save config: {message}",
   "error.dataset.delete_confirm": "dataset attachment deletion is destructive; run --dry-run first, then pass --yes to confirm",
   "error.missing_required_flag": "required flag --{name} is missing",
-  "error.pr.checkout_head_missing": "pull request response did not include a head branch; check the PR id",
   "error.profile.user_required": "could not determine target user; pass --user or run gitlink-cli auth login",
   "error.unsupported_language": "unsupported language: {lang}",
   "flag.api.batch_continue_on_error": "Continue running remaining batch requests after a failure",
@@ -135,7 +126,6 @@
   "flag.api.query": "Query parameters (key=val&key2=val2)",
   "flag.auth.token": "Login by pasting an existing token",
   "flag.branch.from": "Source branch or commit",
-  "flag.branch.keyword": "Filter branches by name keyword",
   "flag.branch.name": "Branch name",
   "flag.ci.build": "Build number",
   "flag.ci.stage": "Stage number",
@@ -169,7 +159,6 @@
   "flag.issue.batch_list.limit": "Maximum issues to return, capped at 100",
   "flag.issue.batch_process.limit": "Maximum issues to process, capped at 100",
   "flag.issue.body": "Issue description",
-  "flag.issue.delete.yes": "Confirm issue deletion",
   "flag.issue.label": "Label ID",
   "flag.issue.label_filter": "Filter by existing label",
   "flag.issue.milestone": "Milestone ID",
@@ -193,13 +182,11 @@
   "flag.pr.assignee_id": "Assignee user ID",
   "flag.pr.base": "Target branch",
   "flag.pr.body": "PR description",
-  "flag.pr.checkout_branch": "Local branch name (defaults to the PR head branch)",
   "flag.pr.file": "Filter diff by file path",
   "flag.pr.head": "Source branch",
-  "flag.pr.id": "Compatibility alias for --number",
+  "flag.pr.id": "PR number",
   "flag.pr.merge_method": "Merge method: merge, rebase, squash",
   "flag.pr.milestone_id": "Milestone ID",
-  "flag.pr.number": "PR number from the web URL (preferred)",
   "flag.pr.priority_id": "Priority ID",
   "flag.pr.review_commit": "Commit SHA to attach the review to",
   "flag.pr.review_content": "Review content",
@@ -224,12 +211,8 @@
   "flag.repo": "Repository name (auto-detected from git remote)",
   "flag.repo.category": "Filter: manage/mirror/sync/fork/all (default: manage)",
   "flag.repo.description": "Repository description",
-  "flag.repo.git.decode": "Print decoded blob content instead of the JSON envelope",
-  "flag.repo.git.recursive": "Recurse into subtrees",
-  "flag.repo.git.sha": "Object SHA (git-tree also accepts a branch/tag ref)",
   "flag.repo.name": "Repository name",
   "flag.repo.private": "Make repository private (true/false)",
-  "flag.repo.rename.name": "New repository name and identifier (changes the remote URL)",
   "flag.repo.tree.path": "Directory path to list (default: repository root)",
   "flag.repo.tree.ref": "Branch, tag, or commit ref",
   "flag.search.keyword": "Search keyword",
@@ -285,15 +268,5 @@
   "success.config.set": "✓ {key} = {value}",
   "warning.auth.not_logged_in": "✗ Not logged in",
   "warning.auth.token_unverified": "✓ Token stored (but cannot verify: {message})",
-  "warning.auth.user_unavailable": "✓ Token stored (user info unavailable)",
-  "cmd.ignore.short": "Ignore file template operations",
-  "cmd.pipeline.short": "Pipeline operations",
-  "cmd.compare.short": "Compare branches, tags, or commits",
-  "cmd.wiki.short": "Wiki page management",
-  "cmd.health.short": "Project health data collection",
-  "cmd.workflow.short": "AI agent workflow analysis",
-  "cmd.label.short": "Issue label operations",
-  "cmd.license.short": "License operations",
-  "cmd.member.short": "Repository member operations",
-  "cmd.milestone.short": "Milestone operations"
+  "warning.auth.user_unavailable": "✓ Token stored (user info unavailable)"
 }
diff --git a/internal/i18n/locales/zh-CN.json b/internal/i18n/locales/zh-CN.json
index 38ddc2d..ae901ef 100644
--- a/internal/i18n/locales/zh-CN.json
+++ b/internal/i18n/locales/zh-CN.json
@@ -5,7 +5,6 @@
   "cmd.auth.logout.short": "退出 GitLink 登录",
   "cmd.auth.short": "认证命令",
   "cmd.auth.status.short": "显示认证状态",
-  "cmd.branch.all.short": "列出全部分支名（不分页）",
   "cmd.branch.create.short": "创建分支",
   "cmd.branch.delete.short": "删除分支",
   "cmd.branch.list.short": "列出分支",
@@ -35,7 +34,7 @@
   "cmd.dataset.view.short": "查看仓库数据集",
   "cmd.doctor.long": "诊断 gitlink-cli 的配置、认证、仓库上下文和 API 连通性问题。",
   "cmd.doctor.short": "诊断 gitlink-cli 环境问题",
-  "cmd.ignore.short": "Gitignore 模板操作",
+  "cmd.ignore.short": "忽略文件模板操作",
   "cmd.issue.batch_close.long": "批量关闭筛选后的议题。\n\n该命令默认处于 dry-run 模式，只打印匹配的议题。\n传入 --yes 后执行远端关闭操作。请使用严格筛选条件和较小 limit。\n\n示例：\n  gitlink-cli issue +batch-close --owner Gitlink --repo gitlink-cli --older-than-days 60 --limit 20\n  gitlink-cli issue +batch-close --owner Gitlink --repo gitlink-cli --older-than-days 60 --limit 20 --yes",
   "cmd.issue.batch_close.short": "批量关闭筛选后的议题。默认 dry-run；传入 --yes 后执行。",
   "cmd.issue.batch_label.long": "给筛选后的议题批量添加标签。\n\n该命令默认处于 dry-run 模式，只打印匹配的议题。\n传入 --yes 后执行远端标签操作。当前实现不会在 API 端点不可用时伪造写入结果。\n\n示例：\n  gitlink-cli issue +batch-label --owner Gitlink --repo gitlink-cli --add-label stale --older-than-days 30 --limit 50\n  gitlink-cli issue +batch-label --owner Gitlink --repo gitlink-cli --add-label stale --older-than-days 30 --limit 50 --yes",
@@ -45,9 +44,7 @@
   "cmd.issue.close.short": "关闭议题",
   "cmd.issue.comment.short": "给议题添加评论",
   "cmd.issue.create.short": "创建新议题",
-  "cmd.issue.delete.short": "删除议题",
   "cmd.issue.list.short": "列出议题",
-  "cmd.issue.reopen.short": "重新打开已关闭的议题",
   "cmd.issue.short": "议题操作",
   "cmd.issue.update.short": "更新议题",
   "cmd.issue.view.short": "查看议题详情",
@@ -56,8 +53,6 @@
   "cmd.org.list.short": "列出组织",
   "cmd.org.members.short": "列出组织成员",
   "cmd.org.short": "组织操作",
-  "cmd.pr.checkout.long": "把 PR 的 head 分支抓取到当前 git 仓库并检出，对标 `gh pr checkout`。来自 fork 的 PR 会自动从 fork 克隆地址抓取。",
-  "cmd.pr.checkout.short": "在本地检出 PR 分支",
   "cmd.pr.close.short": "关闭拉取请求",
   "cmd.pr.comment.short": "给拉取请求添加评论",
   "cmd.pr.create.short": "创建拉取请求",
@@ -87,14 +82,11 @@
   "cmd.release.list.short": "列出发布",
   "cmd.release.short": "发布操作",
   "cmd.release.view.short": "查看发布详情",
-  "cmd.repo.blob.short": "按 SHA 获取 git blob 对象",
   "cmd.repo.create.short": "创建新仓库",
   "cmd.repo.delete.short": "删除仓库",
   "cmd.repo.fork.short": "Fork 仓库",
-  "cmd.repo.git_tree.short": "按 SHA 或 ref 列出 git tree 对象条目",
   "cmd.repo.info.short": "显示仓库详情",
   "cmd.repo.list.short": "列出用户或组织的仓库",
-  "cmd.repo.rename.short": "重命名当前仓库",
   "cmd.repo.short": "仓库操作",
   "cmd.repo.tree.short": "列出仓库文件和目录",
   "cmd.root.long": "用于管理 GitLink 上的仓库、议题、拉取请求、发布、CI 和工作流。",
@@ -121,7 +113,6 @@
   "error.config.save_failed": "保存配置失败：{message}",
   "error.dataset.delete_confirm": "删除数据集附件具有破坏性；请先 --dry-run 预览，再传 --yes 确认",
   "error.missing_required_flag": "缺少必需参数 --{name}",
-  "error.pr.checkout_head_missing": "PR 响应缺少 head 分支，请检查 PR id 是否正确",
   "error.profile.user_required": "无法确定目标用户；请通过 --user 指定，或先运行 gitlink-cli auth login 登录",
   "error.unsupported_language": "不支持的语言：{lang}",
   "flag.api.batch_continue_on_error": "批处理请求失败后继续执行后续请求",
@@ -135,7 +126,6 @@
   "flag.api.query": "查询参数（key=val&key2=val2）",
   "flag.auth.token": "通过粘贴已有 Token 登录",
   "flag.branch.from": "源分支或 Commit",
-  "flag.branch.keyword": "按名称关键字过滤分支",
   "flag.branch.name": "分支名称",
   "flag.ci.build": "构建编号",
   "flag.ci.stage": "阶段编号",
@@ -169,7 +159,6 @@
   "flag.issue.batch_list.limit": "最多返回的议题数，上限 100",
   "flag.issue.batch_process.limit": "最多处理的议题数，上限 100",
   "flag.issue.body": "议题描述",
-  "flag.issue.delete.yes": "确认删除议题",
   "flag.issue.label": "标签 ID",
   "flag.issue.label_filter": "按已有标签筛选",
   "flag.issue.milestone": "里程碑 ID",
@@ -193,13 +182,11 @@
   "flag.pr.assignee_id": "指派人用户 ID",
   "flag.pr.base": "目标分支",
   "flag.pr.body": "PR 描述",
-  "flag.pr.checkout_branch": "本地分支名（默认使用 PR 的 head 分支名）",
   "flag.pr.file": "按文件路径筛选 diff",
   "flag.pr.head": "源分支",
-  "flag.pr.id": "--number 的兼容别名",
+  "flag.pr.id": "PR 编号",
   "flag.pr.merge_method": "合并方式：merge、rebase、squash",
   "flag.pr.milestone_id": "里程碑 ID",
-  "flag.pr.number": "网页 URL 中的 PR 编号（首选）",
   "flag.pr.priority_id": "优先级 ID",
   "flag.pr.review_commit": "关联评审的 Commit SHA",
   "flag.pr.review_content": "评审内容",
@@ -224,12 +211,8 @@
   "flag.repo": "仓库名称（自动从 git remote 检测）",
   "flag.repo.category": "筛选：manage/mirror/sync/fork/all（默认：manage）",
   "flag.repo.description": "仓库描述",
-  "flag.repo.git.decode": "直接输出解码后的 blob 内容而非 JSON 包裹",
-  "flag.repo.git.recursive": "递归子目录",
-  "flag.repo.git.sha": "对象 SHA（git-tree 也接受分支/标签 ref）",
   "flag.repo.name": "仓库名称",
   "flag.repo.private": "设为私有仓库（true/false）",
-  "flag.repo.rename.name": "新的仓库名称与标识（会改变远程 URL）",
   "flag.repo.tree.path": "要列出的目录路径（默认：仓库根目录）",
   "flag.repo.tree.ref": "分支、标签或提交引用",
   "flag.search.keyword": "搜索关键词",
@@ -285,15 +268,5 @@
   "success.config.set": "✓ 已设置 {key} = {value}",
   "warning.auth.not_logged_in": "✗ 未登录",
   "warning.auth.token_unverified": "✓ Token 已保存（但无法验证：{message}）",
-  "warning.auth.user_unavailable": "✓ Token 已保存（用户信息不可用）",
-  "cmd.ignore.short": "忽略文件模板操作",
-  "cmd.pipeline.short": "流水线操作",
-  "cmd.compare.short": "比较分支、标签或提交",
-  "cmd.wiki.short": "Wiki 页面管理",
-  "cmd.health.short": "项目健康度数据采集",
-  "cmd.workflow.short": "AI Agent 工作流分析",
-  "cmd.label.short": "Issue 标签操作",
-  "cmd.license.short": "许可证操作",
-  "cmd.member.short": "仓库成员操作",
-  "cmd.milestone.short": "里程碑操作"
+  "warning.auth.user_unavailable": "✓ Token 已保存（用户信息不可用）"
 }