Fix WebCRT copy/paste on HTTP LAN by falling back off Clipboard API.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -1334,7 +1334,11 @@ const en = {
       copy: "Copy",
       paste: "Paste",
       pasteEmpty: "Clipboard is empty",
-      pasteFailed: "Cannot read clipboard (try Ctrl+Shift+V or check browser permission)",
+      pasteFailed: "Cannot read clipboard (on HTTP use the paste box, or Ctrl+V)",
+      pasteBridgeHint:
+        "This page is not HTTPS, so the browser blocks clipboard reads. Press Ctrl+V in this box to send text to the terminal.",
+      pasteBridgePh: "Press Ctrl+V here…",
+      pasteBridgeCancel: "Cancel",
       clear: "Clear",
       pasting: "Pasting {{done}}/{{total}} lines…",
       wsError: "[WebSocket error]",

web/src/i18n/zh.ts

@@ -1326,7 +1326,10 @@ const zh = {
       copy: "复制",
       paste: "粘贴",
       pasteEmpty: "剪贴板为空",
-      pasteFailed: "无法读取剪贴板（请用 Ctrl+Shift+V 或检查浏览器权限）",
+      pasteFailed: "无法读取剪贴板（HTTP 远程请用下方粘贴框，或 Ctrl+V）",
+      pasteBridgeHint: "当前为非 HTTPS 访问，浏览器禁止直接读剪贴板。请在此框按 Ctrl+V 粘贴，内容会发送到终端。",
+      pasteBridgePh: "在此按 Ctrl+V…",
+      pasteBridgeCancel: "取消",
       clear: "清空",
       pasting: "粘贴中 {{done}}/{{total}} 行…",
       wsError: "[WebSocket 错误]",