v0.1.48

🚀 Release Highlights — v0.1.48 (2026-02-06)

🧩 Decomposition Mode

• Task Decomposition: New coordination mode that decomposes complex tasks into subtasks assigned to individual agents
• Presenter Agent: Designated agent synthesizes subtask results into a final answer, with TUI mode bar toggle and subtask assignment display

🔒 Worktree Isolation

• Write Mode: New write_mode config (auto/worktree/isolated/legacy) for git worktree-based isolation of agent file writes
• Review Modal: Two-panel modal with file list toggles and syntax-highlighted diff for approving/rejecting changes before applying

🐳 Quickstart Wizard Docker Setup

• Docker Setup Step: Integrated into quickstart wizard when Docker mode is selected, with animated pull progress and real-time stdout streaming

🔧 Bug Fixes

• Timeout exemption for subagent-related MCP tools that manage their own timeouts
• Fixed invisible mode bar underlines, separators, and toasts in light theme
• Disabled post-evaluation restarts in quickstart defaults to prevent TUI crash

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📖 Getting Started

• Quick Start Guide: Try the new Decomposition mode today
• Try Decomposition Mode:

# Install or upgrade to v0.1.48
pip install --upgrade massgen

# Launch the quickstart wizard and select Decomposition mode
uv run massgen

What's Changed

• docs: docs_for_v0.1.48 by @Henry-811 in #859
• feat: v0.1.48 by @Henry-811 in #856
• feat: V0.1.47 improves by @ncrispino in #857
• feat: Decomposition by @ncrispino in #858

Full Changelog: v0.1.47...v0.1.48