DSH WebUI sticker plug-in

Key features

• All 24 expressions provide two sets of roles: Blue Whale Girl/Black Whale Girl: the character can be switched at the top of the selector (default Blue Whale Girl), and the Black Whale version of the same expression will be sent after switching.
• System prompt guidance for Agent using emoticons
• 14 public emoticons are open to both parties, 4 of which are workflow reactions: tests-passed, root-cause, running-tests, fixed-review.
• 10 easter eggs only appear in the Agent tool schema
• User commands and selectors are inaccessible, such as restart-myself, hot-update, subagents-down.