release: bump version to 0.40.5

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/CHANGELOG.md

@@ -8,6 +8,16 @@ This project follows the repository versioning rule:
 - `improvement` -> `+0.0.1`（bugfix + 小功能混合）
 - `bugfix` -> `+0.0.1`
 
+## [0.40.5] — 2026-04-26
+
+### 🔧 Improvements
+- 卫星拖尾改用 Instanced screen-space ribbon，单 draw call 渲染所有轨迹段，支持像素级宽度控制
+- Iridium 地面覆盖重写为球面投影径向网格，修复填充光晕不可见问题；新增外圈 LineLoop
+- 搜索面板打开时改用双 rAF 延迟聚焦输入框，确保 CSS 过渡完成后焦点可靠触发
+- 代码清理：提取 `IRIDIUM_OVERLAY_COLOR`、`IRIDIUM_REFERENCE_ALTITUDE_KM` 常量，消除重复三角函数调用
+
+---
+
 ## [0.39.0] — 2026-04-24
 
 ## [0.40.4] — 2026-04-26

docs/version-history.md

@@ -16,12 +16,13 @@
 ## Current Version
 
 - `main` 当前主线历史推导到：`0.16.5`
-- `dev` 当前开发分支历史推导到：`0.40.4`
+- `dev` 当前开发分支历史推导到：`0.40.5`
 
 ## Timeline
 
 | Version | Type | Branch | Commit | Summary |
 | --- | --- | --- | --- | --- |
+| `0.40.5` | improvement | `dev` | `pending` | 卫星 ribbon 拖尾、Iridium 覆盖球面投影填充+外圈、搜索自动聚焦修复 |
 | `0.40.4` | bugfix | `dev` | `pending` | 修复页面后台恢复后卫星轨迹跳变与位置错位，统一轨迹重置路径 |
 | `0.40.3` | improvement | `dev` | `pending` | 卫星点云升级 ShaderMaterial，修复锁定环 depthTest 与位置漂移，新增悬停态缩放 |
 | `0.40.2` | improvement | `dev` | `pending` | 卫星点大小随镜头缩放动态调整，调小默认基础尺寸 |