prepare v4.2.0 — TUI Dashboard Overhaul & Data Pipeline Fixes

[JeremyDev87]

Summary

Prepares the v4.2.0 release. Closes #487.

This release delivers a complete TUI Agent Monitor overhaul with real-time data pipelines, multi-session support, and critical bug fixes.

Changes

• Version bump: 4.1.0 → 4.2.0 in apps/mcp-server/package.json and packages/rules/package.json
• CHANGELOG: Updated in all 5 languages (en, es, ja, ko, zh-CN) with full v4.2.0 entries
• Docs: Added auto-launch troubleshooting section to docs/tui-troubleshooting.md and new Korean guide docs/ko/tui-troubleshooting.md (docs(tui): add TUI troubleshooting guide for common startup issues #520)

Commits

Commit	Description
chore(release): bump version to 4.2.0	Version bump in both package.json files
chore(release): update CHANGELOG for v4.2.0	CHANGELOG entries for all 5 locales
docs(tui): add auto-launch troubleshooting section and Korean guide (#520)	Troubleshooting docs update

What's in v4.2.0

Added

• TUI multi-session support and auto-open on MCP connection (feat(tui): Multi-session support + Auto-open TUI on MCP connection #485)
• TUI auto-launch via --tui CLI flag (fix(tui): auto-launch ignores --tui CLI flag, only checks CODINGBUDDY_AUTO_TUI env var #522)
• TUI ActivityVisualizer panel replacing MonitorPanel (feat(tui): Replace MonitorPanel with ActivityVisualizer (Heatmap + Bubbles) #482)
• TUI FlowMap with visual hierarchy and progress bars ([Feature] TUI FlowMap Visual Enhancement — Round Corners, Double Borders, Pipeline Header, Progress Bars, Glow Effects, Smooth Edges, Counter Legend #468)
• TUI objectives wired from parse_mode response ([TUI] Task 2: Wire up objectives from parse_mode response #473)
• TUI event pipeline: SKILL_RECOMMENDED, PARALLEL_STARTED, MODE_CHANGED, SESSION_RESET ([TUI] Task 3: Reflect SKILL_RECOMMENDED event in state #474, [TUI] Task 4: Pre-register specialists on PARALLEL_STARTED event #475, [TUI] Task 5: Sync running agent stage on MODE_CHANGED #476, feat(tui): reset dashboard state on /clear command (SESSION_RESET event) #499)
• TUI FocusedAgent: avatar, sparkline, improved progress bar (feat(tui): enhance FocusedAgent panel with visual agent avatars, braille progress, sparkline graph, and status icons #505)
• TUI checklist populated from parse_mode (feat(tui): populate initial checklist from parse_mode response and improve task completion tracking #504)
• TUI live tool invocation count in StageHealthBar (feat(tui): replace hardcoded tokenCount with live tool invocation count in StageHealthBar #490)
• Unified panel border colors via centralized theme constant (Unify TUI panel border colors via centralized theme constant #494)
• Context decisions/notes displayed in FocusedAgentPanel (feat(tui): context integration — display decisions/notes in FocusedAgentPanel #515)
• Tool-priority rules: codingbuddy MCP over OMC (epic(config): establish codingbuddy MCP priority over oh-my-claudecode for overlapping features #512, feat(config): add tool-priority rules and CLAUDE.md section #516)
• TDD execution continuity rules ([Feature] TDD Execution Continuity: Prevent implementation halt on RED phase test failures #463)
• Copilot Code Review with custom instructions ([Feature] Setup GitHub Copilot Code Review with custom instructions #460)

Changed

• Activity heatmap replaced with horizontal bar chart (refactor(tui): replace Activity heatmap with horizontal bar chart #517)
• FocusedAgent panel width reduced ~10%, Activity/FlowMap expanded (fix(tui): reduce FocusedAgent panel width by 10% and expand Activity/FlowMap panels #501)
• task:synced consolidated into single pass (feat(tui): populate initial checklist from parse_mode response and improve task completion tracking #504)

Fixed

• AUTO mode displayed incorrectly in HeaderBar (fix(tui): Fix AUTO mode display error + right-side content terminal overflow in HeaderBar #488)
• Tasks panel shows no data in PLAN/EVAL modes (fix(tui): Tasks panel shows no data in PLAN/EVAL modes — extractFromUpdateContext only reads progress field #492)
• Live panel shows almost no data due to time-window restriction (fix(tui): Live panel shows almost no data — status:'active' never produced and 30s window too restrictive #502)
• Progress percentage stuck at 0% due to agentId mismatch (fix(tui): progress percentage stuck at 0% — agentId mismatch between TOOL_INVOKED and primary agent #503)
• TuiAutoLauncher absolute binary path resolution (TuiAutoLauncher fails when codingbuddy is not in global PATH #519)
• TUI bundle included in main build script (#b881bed)
• Exclude .next and build artifacts from prettier/tsconfig (chore: exclude .next and build artifacts from prettier, tsconfig #496)

Removed

• Unused code and dead exports from MCP server (Remove unused code and dead exports #486)
• Deprecated text-formatter functions from TUI pure components

Test Plan

• yarn workspace codingbuddy test passes
• Version shows 4.2.0 in both package files
• CHANGELOG entries are correct across all locales
• TUI troubleshooting docs render correctly

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Project	Deployment	Actions	Updated (UTC)
codingbuddy-landing	Ready	Preview, Comment	Feb 18, 2026 10:37am