dsh-plugin-mission-control: A real-time observability panel for the current session

# Introduction When driving tasks with an Agent via DSH Web, a practical issue arises: it is difficult to see what the Agent is doing in real-time during a turn — which step the tool call has reached, whether sub-agents are collaborating, how many tokens have been consumed, and the approximate cost in RMB. Usually, you have to wait until the turn ends to review the logs. dsh-plugin-mission-control addresses this issue by placing the real-time status of the current DeepSeek Harness Session into a compact panel located below the Session list, which expands into a full-screen dashboard when detailed inspection is required. # What is this dsh-plugin-mission-control is maintained by Jian-Sparrow, current version