复制、专注模式：浏览器的英文报错不再直接显示

extension/content.js

@@ -1505,7 +1505,7 @@ function cleanupReaderFloatingArtifacts(playerHost = state.readingPlayerHost) {
 // Every entry into 专注模式 (the URL, a SPA video change, the popup): a failure is red on the page, the same sentence.
 function startReaderMode() {
   enterReaderMode().catch((error) => {
-    setReadingNotice(`${MdgErrors.TEXT.readerStartFailed}：${MdgErrors.messageOf(error)}`, { error: true });
+    setReadingNotice(MdgErrors.reloaded(error) ? MdgErrors.TEXT.reloaded : `${MdgErrors.TEXT.readerStartFailed}：${MdgErrors.messageOf(error)}`, { error: true });
   });
 }
 

extension/errors.js

@@ -101,11 +101,12 @@
     nothingToCopy: "没有可复制的内容",
     nothingToDownload: "没有可下载的内容",
     nothingToWrite: "没有可写入 Obsidian 的内容",
-    // A copy to the clipboard failed (popup, side panel, 摘读记录, 分拣台); 「：原因」 follows, noClipboard without one.
+    // A copy to the clipboard failed (popup, side panel, 摘读记录, 分拣台); 「：原因」 follows (noClipboard when the clipboard refused).
     copyFailed: "复制失败",
     // 下载 .md failed (side panel, 摘读记录); 「：原因」 follows.
     downloadFailed: "下载失败",
-    noClipboard: "无法访问剪贴板",
+    // The page lost focus while the note was prepared, or the browser refused (Chrome's English NotAllowedError).
+    noClipboard: "无法访问剪贴板，点一下页面再试",
     // The side panel while the video page reads the subtitle for it.
     subtitleReading: "正在读取视频字幕…",
     // 分拣台's 收藏夹设置 / 关注设置 and their AI 参数; a failure is followed by 「：原因」.

extension/history/history.selftest.js

@@ -343,7 +343,7 @@ assert.ok(/<dialog id="confirmDialog"[\s\S]*id="confirmTitle"[\s\S]*id="confirmB
   // B4: failures are red: a copy, and opening the side panel from 继续问.
   ctx.navigator.clipboard.writeText = async () => { throw new Error("无法访问剪贴板"); };
   await act("copy");
-  assert.deepStrictEqual([els.status.textContent, red], ["复制失败：无法访问剪贴板", true]);
+  assert.deepStrictEqual([els.status.textContent, red], ["复制失败：无法访问剪贴板，点一下页面再试", true]);
   ctx.chrome.sidePanel = { open: async () => { throw new Error("没有窗口"); } };
   await act("ask");
   assert.deepStrictEqual([els.status.textContent, red], ["打开侧边栏失败：没有窗口", true]);

extension/note-actions.js

@@ -28,7 +28,8 @@
     try {
       const resp = note || (await resolve(kind, request, send, isStale, dialogs));
       if (resp.stop) return { ok: true, done: false, text: resp.stop, remedies: [] };
-      if (kind === "copy") await navigator.clipboard.writeText(resp.markdown);
+      // Any refusal says noClipboard, not Chrome's English ("Document is not focused"); no cause, its code is a DOMException's.
+      if (kind === "copy") await navigator.clipboard.writeText(resp.markdown).catch(() => Promise.reject(new Error(MdgErrors.TEXT.noClipboard)));
       if (kind === "download") MdgDownload.text(resp.filename, resp.markdown);
       return { ok: true, done: true, text: DONE[kind] || resp.text, remedies: [] };
     } catch (error) {

extension/note-actions.selftest.js

@@ -106,11 +106,12 @@ const plain = (r) => JSON.parse(JSON.stringify(r));
     const r = await run(kind, { request, send: fail({ ok: false, error: T.nothingToWrite, code: "NOTE_EMPTY" }) });
     assert.deepStrictEqual([r.ok, r.text, [...r.remedies]], [false, want, []], kind);
   }
-  // The clipboard refused: 复制失败, 无法访问剪贴板 when it gave no words.
-  ctx.navigator.clipboard.writeText = async () => { throw new Error(""); };
-  assert.strictEqual((await run("copy", { note: { markdown: "x" } })).text, `${T.copyFailed}：${T.noClipboard}`);
-  ctx.navigator.clipboard.writeText = async () => { throw new Error("没有权限"); };
-  assert.strictEqual((await run("copy", { note: { markdown: "x" } })).text, `${T.copyFailed}：没有权限`);
+  // The clipboard refused: 复制失败：无法访问剪贴板, never Chrome's English, with or without words.
+  for (const message of ["", "Failed to execute 'writeText' on 'Clipboard': Document is not focused."]) {
+    ctx.navigator.clipboard.writeText = async () => { throw Object.assign(new Error(message), { name: "NotAllowedError", code: 0 }); };
+    const r = await run("copy", { note: { markdown: "x" } });
+    assert.deepStrictEqual([r.text, r.code], [`${T.copyFailed}：${T.noClipboard}`, undefined], message);
+  }
   // The extension reloaded under the video page: its own sentence.
   assert.strictEqual((await run("write", { request, send: async () => { throw new Error("Extension context invalidated."); } })).text, T.reloaded);
 

extension/sidepanel.selftest.js

@@ -1110,7 +1110,7 @@ const tick = () => new Promise((r) => setImmediate(r));
     // C350: a reply's 复制 Markdown says 已复制 Markdown, like the export menu's.
     ctx.navigator.clipboard = { writeText: async () => {} };
     await ctx.copyMarkdown("x");
-    assert.deepStrictEqual(notices, [["复制失败：无法访问剪贴板", true], ["已复制 Markdown", false]]);
+    assert.deepStrictEqual(notices, [["复制失败：无法访问剪贴板，点一下页面再试", true], ["已复制 Markdown", false]]);
     delete ctx.navigator.clipboard;
     [ctx.showConversationContextNotice, ctx.chrome.runtime.sendMessage] = prev;
   }

extension/triage/triage.selftest.js

@@ -3996,7 +3996,7 @@ const unfavOnlyOf = (d) => Object.fromEntries(Object.entries(d).filter(([, v]) =
       t.el.writeFormat.value = "digest";
       t.navigator = { clipboard: { writeText: async () => { throw new Error("没有权限"); } } };
       await t.exportDigest("copy");
-      assert.ok(t.el.writeProgress.textContent === "复制失败：没有权限" && cls.has("fail-text"), "copy failure in red");
+      assert.ok(t.el.writeProgress.textContent === "复制失败：无法访问剪贴板，点一下页面再试" && cls.has("fail-text"), "copy failure in red");
       handlers["triage-export"] = (m) => ({ ok: true, data: { path: `库/${m.filename}`, text: `已写入 Obsidian：库/${m.filename}` } });
       await t.exportDigest("obsidian");
       assert.ok(/^已写入 Obsidian：库\/B站摘录-/.test(t.el.writeProgress.textContent) && !cls.has("fail-text"), t.el.writeProgress.textContent);