Plugin Task Coordinator

Description

Codex-style cross-task coordination for DeepSeek Harness: list, inspect, spawn, message and steer top-level sessions from a supervisor agent, with team workstreams, correlation ids, batch spawning, interactive dispatch confirmation (task_confirm approval cards, reusable mission-scoped approvals), multi-select partial dispatch (task_confirm_select), workspace migration for existing sessions (task_workspace), per-child model selection with live model-route discovery (task_models), a GUI-editable spawn-model default (a first-level 任务编排 settings section, durable settings section), workspace placement fallback with full observability (cwd exact match, caller inheritance, nearest-ancestor normalization, git-worktree awareness, ungrouped receipts with remediation hints — configurable via workspacePolicy), localized user-facing UI strings following the host language preference (zh/en), default result report-back from spawned tasks, recursion-depth governance, workspace inheritance, a durable spawn registry, a /tasks slash command and a copy-session-id header button. Ships the task-coordination supervisor skill.