external-agent-terminal-multiplexer-operations

# External agent → terminal multiplexer → inner agent operations This Skill governs an external controller agent operating an inner agent through a terminal multiplexer. It is runner-neutral and project-neutral. ## Authority layers ```text project production contract logical identity, attempts, worktrees, scope, acceptance runner dependency runner-specific CLI, environment, plugins, protocol multiplexer adapter process/session/pane control and semantic observation this Skill safe external control, supervision, handoff, recovery ``` Herdr is the preferred multiplexer adapter when supported and permitted by the official `herdr` Skill. Tmux/raw SSH/MCP are explicit fallback adapters. Claude Code, OMP, Codex, Pi, and future tools are replaceable inner-agent kinds. ## Resolve before control Record and reconcile: ```text controller identity adapter + session/socket inner-agent kind + runner dependency attempt/agent name workspace + pane absolute lane worktree + branch run/lane identity when present ownership: controller / user / unknown pre-dispatch lifecycle sequence or equivalent marker ``` Workspace/model alone are insufficient. When ownership or target identity is unclear, remain read-only. ## Branches - Adapter/session topology, environment inheritance, runner launch, or remote transport → `references/adapter-and-launch.md`. - Prompt submission, steering, co-control, progress observation, or blocked questions → `references/submi...