fix: client web UI displays online toolsets from flat-list format, default URL to HF Space, browse page shows function bindings

feat: toolsets with @tool decorator, in-process execution, no auto-install

fix: persist skills and toolsets to Docker persistent volume, fix remove button

fix: rename config/index to settings/registry, fix skill execution

refactor: remove api/docker types, add toolset type

refactor: strip MCP/skills from server, enhance skills with references/scripts/assets

change default docker image to quay.io/jupyter/scipy-notebook

feat: warm-container pool for docker tools + MCP Docker transport

feat: add docker tool type with client-side approval

fix(management): shift UI from 'create from scratch' to 'connect to existing / register from file'

AgentToolStore v2: MCP client + Skills manager + MCP server + Registry