* add a generic MCP client and a config for connecting MCP servers
* Add MCP docs and CLI polish: docs page, startup connect summary, --mcp-config flag, compact tool output
* Add MCP connection notes and per-run selection; clean up on cancel and dedupe names
* Show errored MCP tool calls as failed in the TUI
* Sanitize namespaced tool names so model APIs accept them
* Show MCP tool calls distinctly in the terminal and the run viewer
* Say what MCP servers are worth connecting for
* Correct the notes docstring to match how notes reach the agent
* keep the mcp tests from reading your shell's STRIX_MCP_* vars
* add extra-files plumbing so orchestrators can drop single files into the sandbox workspace
* reject extra-file paths that collide with a local source tree
* add --workspace-file so CLI users can place files in the sandbox workspace
* reject repeated and control-character workspace paths
* revalidate persisted workspace files when resuming a run
* drop the workspace-file size limit