@a1113622001

DeepSeek Harness (cordis) plugin: self-update for the harness launcher - checks npm for a newer @deepseek-ai/dsh, stages it, and applies it on harness exit (or update-and-restart from the web panel).

DeepSeek Harness client plugin: right-side session stats panel - cache hit rate, session cost (DeepSeek official peak/off-peak pricing), account balance, runtime, request count, cumulative tokens.