修改换行逻辑和段落查看方式

addon/locale/en-US/addon.ftl

@@ -4,10 +4,14 @@ prefs-title = ChatPapers
 
 item-section-chat-head = ChatPapers
 item-section-chat-sidenav = Chat with paper
-item-pane-open-window = Open in separate window
-item-pane-adaptive-height = Adaptive height
-item-pane-adaptive-height-on = Adaptive height (on)
-item-pane-adaptive-height-off = Adaptive height (off)
+item-pane-open-window =
+    .tooltiptext = Open in separate window
+item-pane-adaptive-height =
+    .tooltiptext = Toggle adaptive height
+item-pane-adaptive-height-on =
+    .tooltiptext = Adaptive height (on) — click to use fixed height
+item-pane-adaptive-height-off =
+    .tooltiptext = Fixed height (on) — click to use adaptive height
 
 chat-loading = Loading ChatPapers…
 chat-placeholder = Ask a question about this paper…
@@ -91,6 +95,9 @@ lecture-note-saved = Lecture note saved to Zotero
 lecture-mode-overview = Overview
 lecture-mode-paragraph = Paragraph reading
 lecture-paragraph-list-title = Paper paragraphs (original, then translation)
+lecture-para-list-hint = Click a paragraph for details; click ▶ to play
+lecture-para-detail-empty = Select a paragraph above to view original, translation, and context
+lecture-para-play = Play this part
 lecture-para-label = Para { $n }
 lecture-para-original = Original
 lecture-para-translation = Translation