chore: add CHANGELOG for v0.1.1 through v0.1.4

CHANGELOG.md

@@ -5,6 +5,64 @@ All notable changes to CS2 Ledger will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.1.4] - 2026-05-25
+
+### Fixed
+
+- Race condition in market price service by adding mutex lock
+- Item name matching discrepancies between platform naming conventions
+- CSQAQ client issues
+
+## [0.1.3] - 2026-05-25
+
+### Changed
+
+- Merge feat/upgrade-ui (PR #7, #8)
+
+## [0.1.2] - 2026-05-24
+
+### Added
+
+- Premium dark theme with orange accent, light/dark mode toggle
+- Sidebar with collapsible toggle and active indicator
+- Dashboard net worth hero card with monthly P&L sparkline
+- Stat cards with gradient backgrounds, semantic P&L colors
+- Dark-themed ECharts P&L chart (theme-aware)
+- Market price update timestamp column in inventory
+- P&L percentage column with server-side sorting
+- Inventory group expand/collapse by item name + exterior
+- CSS transitions for theme toggle, sidebar, and cards
+
+### Changed
+
+- Monospace numeric columns (JetBrains Mono) in all data tables
+- Updated README and screenshots
+
+### Fixed
+
+- Missing `updated_at` in GetAllPrices Select
+
+## [0.1.1] - 2026-05-23
+
+### Added
+
+- CSQAQ market price data integration for unrealized P&L calculation
+- Server-side pagination for better performance
+- Chinese (i18n) localization
+- CSQAQ goods name resolution and unified HTTP client
+- Per-exterior inventory grouping
+- Account balance display features
+- Sync-triggered data refresh
+
+### Fixed
+
+- `ensureProvider` on CSQAQ account addition
+- Goods name normalization for cross-platform matching
+
+### Changed
+
+- Removed unused CI lint workflows
+
 ## [0.1.0] - 2026-05-16
 
 ### Added