dsh-aloof: Sync Aloof team red lines and manual to DSH agent

dsh-aloof is a DSH client plugin designed to synchronize team rules from Aloof to the local DSH agent, addressing issues such as unstable rule reading and missing feedback. Its core functions include injecting team "red lines" into system prompts, registering manuals to the skill directory, and automatically pulling context every five minutes. It also provides the `/aloof` command and a bottom-right floating button for viewing connection status, identity, and credential management. The plugin offers read-only tools such as `aloof_whoami`, as well as the write operation tool `aloof_contribute` for submitting pending knowledge, which requires administrator approval. Installation requires Node ≥ 22 and a running Aloof instance, added via the `dsh plugin` command. Configuration requires setting an access token for the self-hosted server address, supporting...