i18n: translate frontend UI strings to English

src/pages/IssuesPage.tsx

@@ -33,12 +33,12 @@ export default function IssuesPage() {
     <div className="issues-page">
       <div className="page-header">
         <h2>📋 Issues ({total})</h2>
-        <button className="btn-primary" onClick={() => navigate('/issues/new')}>+ 新建 Issue</button>
+        <button className="btn-primary" onClick={() => navigate('/issues/new')}>+ Create Issue</button>
       </div>
 
       <div className="filters">
         <select value={statusFilter} onChange={(e) => { setStatusFilter(e.target.value); setPage(1) }}>
-          <option value="">全部状态</option>
+          <option value="">All statuses</option>
           <option value="open">Open</option>
           <option value="in_progress">In Progress</option>
           <option value="resolved">Resolved</option>
@@ -49,7 +49,7 @@ export default function IssuesPage() {
 
       <table className="issues-table">
         <thead>
-          <tr><th>#</th><th>标题</th><th>状态</th><th>优先级</th><th>类型</th><th>标签</th><th>创建时间</th></tr>
+          <tr><th>#</th><th>Title</th><th>Status</th><th>Priority</th><th>Type</th><th>Tags</th><th>Created</th></tr>
         </thead>
         <tbody>
           {issues.map((i) => (
@@ -68,9 +68,9 @@ export default function IssuesPage() {
 
       {totalPages > 1 && (
         <div className="pagination">
-          <button disabled={page <= 1} onClick={() => setPage(page - 1)}>上一页</button>
+          <button disabled={page <= 1} onClick={() => setPage(page - 1)}>Prev</button>
           <span>{page} / {totalPages}</span>
-          <button disabled={page >= totalPages} onClick={() => setPage(page + 1)}>下一页</button>
+          <button disabled={page >= totalPages} onClick={() => setPage(page + 1)}>Next</button>
         </div>
       )}
     </div>