DSH Web GUI common word box

Key features

• Mounting slotconversation.input.right (declared by @deepseek-ai/dsh-client-ui-conversation, list slot, session scope), rendered in the input box card trailing area.
• Three display rangesAll/Global/Current (the switching control is on the far right of the "+ Add" line)
• ⏎ Click the entry → append to the input box (retain focus, an undo step, the panel does not close, and can be inserted continuously)
• Chinese/English bilingual (follows DSH interface language)