chore: release v1.90.1

.claude-plugin/marketplace.json

@@ -6,7 +6,7 @@
   },
   "metadata": {
     "description": "Skills shared by Baoyu for improving daily work efficiency",
-    "version": "1.90.0"
+    "version": "1.90.1"
   },
   "plugins": [
     {

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 English | [中文](./CHANGELOG.zh.md)
 
+## 1.90.1 - 2026-04-05
+
+### Fixes
+- `baoyu-post-to-wechat`: detect actual image format from buffer magic bytes to fix CDN content-type mismatches (e.g. WebP served for .png URLs); treat WebP as PNG-preferred for transparency handling
+
 ## 1.89.1 - 2026-04-01
 
 ### Features

CHANGELOG.zh.md

@@ -2,6 +2,11 @@
 
 [English](./CHANGELOG.md) | 中文
 
+## 1.90.1 - 2026-04-05
+
+### 修复
+- `baoyu-post-to-wechat`：通过 magic bytes 检测实际图片格式，修复 CDN 返回与 URL 扩展名不一致的 content-type 问题（如 .png URL 实际返回 WebP）；WebP 格式按 PNG 策略处理以保留透明度
+
 ## 1.89.1 - 2026-04-01
 
 ### 新功能

CLAUDE.md

@@ -1,6 +1,6 @@
 # CLAUDE.md
 
-Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.90.0**.
+Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.90.1**.
 
 ## Architecture