feat: Implement structured engineering loop with orchestrator, planner, researcher, worker, reviewer, and codifier agents

docs: Clarify CoPal's passive role as an agent harness and state management tool, updating overview, features, and agent interaction examples.

feat: Introduce engineering loop skill pack with new agents, commands, workflows, and session management.

feat: Add `next` and `done` CLI commands for task management, backed by a new `AgentManager` and `engineering_loop` agent pack.

feat: introduce Claude subagent definitions, an orchestrator start command, and update existing commands to guide agent switching.

feat: Introduce automated release workflow with `bump-my-version` and `uv`, updating `RELEASING.md` and dependency lock.

feat: Introduce new harness and engineering loop templates, refactor stages and skills into new modules, and add comprehensive tests.

feat: add Git worktree management commands for creating, listing, and removing worktrees with asset syncing.

fix: correct pip install command in README and ignore agent-related files in gitignore

Merge pull request #15 from royisme/roy/update-pyproject.toml-and-readme-documentation-2025-11-18

Update installation guidance and add release notes

Merge pull request #14 from royisme/roy/-copal-mcp-hook-2025-11-18

Add MCP guidance references to templates and hooks docs

Merge pull request #13 from royisme/copilot/add-readme-and-documentation

Add quick start and features documentation (bilingual)