Monthly summary for 2026-01 focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated for traPtitech/traQ_S-UI. Overview: Focused codebase cleanup and quality improvements in the UI module, delivering maintainable code with small but meaningful business value through reduced surface area and improved consistency. Top achievements: - Codebase cleanup: removed unused useChannelView composable (commit 1054731ebf5067c172ac527d8dcafd160a0a51d8). Reduced complexity and potential performance surface area in traQ_S-UI. - Typo fix: corrected 'embeded' to 'embedded' in the message input (commit 774e63690b3524ae2020247c44b9c1678c4a2e1c). Improved code quality and clarity for developers and future maintenance. Impact: - Maintainability: Streamlined component surface and clarified text in UI input, easing onboarding and future refactors. - Quality: Minor but tangible improvements in code consistency and readability, reducing potential confusion or errors. - Risk: Changes are isolated to UI code with no feature changes; low risk and easy to revert if needed. Technologies/skills demonstrated: - Code cleanup and refactoring using the Vue/Composition API mindset (useChannelView cleanup). - Attention to detail in QA and localization/strings (typo correction). - Version control discipline with precise commits and traceability. Repository: traPtitech/traQ_S-UI