chore: release v1.90.1

CDNs may serve WebP for URLs with .png extension. Detect real format
from magic bytes and correct content-type/extension before upload.
Also treat .webp as PNG-preferred for transparency handling.

.claude-plugin/marketplace.json

@@ -6,7 +6,7 @@
   },
   "metadata": {
     "description": "Skills shared by Baoyu for improving daily work efficiency",
-    "version": "1.89.2"
+    "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: **1.89.2**.
+Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.90.1**.
 
 ## Architecture
 

README.md

@@ -116,6 +116,10 @@ Xiaohongshu (RedNote) infographic series generator. Breaks down content into 1-1
 
 # Direct content input
 /baoyu-xhs-images 今日星座运势
+
+# Non-interactive (skip all confirmations, for scheduled tasks)
+/baoyu-xhs-images posts/ai-future/article.md --yes
+/baoyu-xhs-images posts/ai-future/article.md --yes --preset knowledge-card
 ```
 
 **Styles** (visual aesthetics): `cute` (default), `fresh`, `warm`, `bold`, `minimal`, `retro`, `pop`, `notion`, `chalkboard`

README.zh.md

@@ -116,6 +116,10 @@ clawhub install baoyu-markdown-to-html
 
 # 直接输入内容
 /baoyu-xhs-images 今日星座运势
+
+# 非交互模式（跳过所有确认，适用于定时任务）
+/baoyu-xhs-images posts/ai-future/article.md --yes
+/baoyu-xhs-images posts/ai-future/article.md --yes --preset knowledge-card
 ```
 
 **风格**（视觉美学）：`cute`（默认）、`fresh`、`warm`、`bold`、`minimal`、`retro`、`pop`、`notion`、`chalkboard`

skills/baoyu-post-to-wechat/scripts/wechat-api.ts

@@ -7,6 +7,7 @@ import {
   type WechatUploadAsset,
   prepareWechatBodyImageUpload,
   needsWechatBodyImageProcessing,
+  detectImageFormatFromBuffer,
 } from "./wechat-image-processor.ts";
 
 interface AccessTokenResponse {
@@ -138,6 +139,16 @@ async function loadUploadAsset(
     contentType = mimeTypes[fileExt] || "image/jpeg";
   }
 
+  // Detect actual format from magic bytes to fix extension/content-type mismatches
+  // (e.g. CDNs serving WebP for URLs with .png extension)
+  const detected = detectImageFormatFromBuffer(fileBuffer);
+  if (detected && detected.contentType !== contentType) {
+    console.error(`[wechat-api] Format mismatch: ${filename} declared as ${contentType}, actual ${detected.contentType}`);
+    contentType = detected.contentType;
+    fileExt = detected.fileExt;
+    filename = `${path.basename(filename, path.extname(filename))}${detected.fileExt}`;
+  }
+
   return {
     buffer: fileBuffer,
     filename,

skills/baoyu-post-to-wechat/scripts/wechat-image-processor.ts

@@ -52,6 +52,39 @@ const MIME_TO_EXT: Record<string, string> = {
 const JPEG_QUALITY_STEPS = [82, 74, 66, 58, 50, 42, 34];
 const MAX_WIDTH_STEPS = [2560, 2048, 1600, 1280, 1024, 800, 640, 480];
 
+/**
+ * Detect actual image format from buffer magic bytes.
+ * Returns corrected { contentType, fileExt } or null if unknown.
+ */
+export function detectImageFormatFromBuffer(buffer: Buffer): { contentType: string; fileExt: string } | null {
+  if (buffer.length < 12) return null;
+
+  // WebP: RIFF....WEBP
+  if (
+    buffer[0] === 0x52 && buffer[1] === 0x49 && buffer[2] === 0x46 && buffer[3] === 0x46 &&
+    buffer[8] === 0x57 && buffer[9] === 0x45 && buffer[10] === 0x42 && buffer[11] === 0x50
+  ) {
+    return { contentType: "image/webp", fileExt: ".webp" };
+  }
+  // PNG: 89 50 4E 47
+  if (buffer[0] === 0x89 && buffer[1] === 0x50 && buffer[2] === 0x4e && buffer[3] === 0x47) {
+    return { contentType: "image/png", fileExt: ".png" };
+  }
+  // JPEG: FF D8 FF
+  if (buffer[0] === 0xff && buffer[1] === 0xd8 && buffer[2] === 0xff) {
+    return { contentType: "image/jpeg", fileExt: ".jpg" };
+  }
+  // GIF: GIF8
+  if (buffer[0] === 0x47 && buffer[1] === 0x49 && buffer[2] === 0x46 && buffer[3] === 0x38) {
+    return { contentType: "image/gif", fileExt: ".gif" };
+  }
+  // BMP: BM
+  if (buffer[0] === 0x42 && buffer[1] === 0x4d) {
+    return { contentType: "image/bmp", fileExt: ".bmp" };
+  }
+  return null;
+}
+
 let webpDecoderReady: Promise<void> | undefined;
 
 type JimpImage = Awaited<ReturnType<typeof Jimp.read>>;
@@ -209,7 +242,8 @@ export async function prepareWechatBodyImageUpload(
 
   const image = await loadImageForProcessing(asset);
   const widths = buildCandidateWidths(image.bitmap.width);
-  const preferPng = imageHasTransparency(image) || ensureFileExt(asset) === ".png";
+  const ext = ensureFileExt(asset);
+  const preferPng = imageHasTransparency(image) || ext === ".png" || ext === ".webp";
   const processingNotes = buildProcessingNotes(asset);
 
   for (const width of widths) {

skills/baoyu-xhs-images/SKILL.md

@@ -39,6 +39,10 @@ Break down complex content into eye-catching infographic series for Xiaohongshu
 # Direct input with options
 /baoyu-xhs-images --style bold --layout comparison
 [paste content]
+
+# Non-interactive (for scheduled tasks / automation)
+/baoyu-xhs-images posts/ai-future/article.md --yes
+/baoyu-xhs-images posts/ai-future/article.md --yes --preset knowledge-card
 ```
 
 ## Options
@@ -48,6 +52,7 @@ Break down complex content into eye-catching infographic series for Xiaohongshu
 | `--style <name>` | Visual style (see Style Gallery) |
 | `--layout <name>` | Information layout (see Layout Gallery) |
 | `--preset <name>` | Style + layout shorthand (see [Style Presets](references/style-presets.md)) |
+| `--yes` | Non-interactive mode: skip all confirmations. Uses EXTEND.md preferences if found, otherwise uses defaults (no watermark, auto style/layout). Auto-confirms recommended plan (Path A). Suitable for scheduled tasks and automation. |
 
 ## Two Dimensions
 
@@ -237,11 +242,11 @@ Copy and track progress:
 
 ```
 XHS Infographic Progress:
-- [ ] Step 0: Check preferences (EXTEND.md) ⛔ BLOCKING
+- [ ] Step 0: Check preferences (EXTEND.md) ⛔ BLOCKING (--yes: use defaults if not found)
   - [ ] Found → load preferences → continue
-  - [ ] Not found → run first-time setup → MUST complete before Step 1
+  - [ ] Not found → run first-time setup → MUST complete before Step 1 (--yes: skip setup, use defaults)
 - [ ] Step 1: Analyze content → analysis.md
-- [ ] Step 2: Smart Confirm ⚠️ REQUIRED
+- [ ] Step 2: Smart Confirm ⚠️ REQUIRED (--yes: auto-confirm Path A)
   - [ ] Path A: Quick confirm → generate recommended outline
   - [ ] Path B: Customize → adjust then generate outline
   - [ ] Path C: Detailed → 3 outlines → second confirm → generate outline
@@ -252,26 +257,30 @@ XHS Infographic Progress:
 ### Flow
 
 ```
-Input → [Step 0: Preferences] ─┬─ Found → Continue
+Input → [--yes?] ─┬─ Yes → [Step 0: Load or defaults] → Analyze → Auto-confirm → Generate → Complete
-                               │
+                   │
-                               └─ Not found → First-Time Setup ⛔ BLOCKING
+                   └─ No → [Step 0: Preferences] ─┬─ Found → Continue
-                                              │
+                                                   │
-                                              └─ Complete setup → Save EXTEND.md → Continue
+                                                   └─ Not found → First-Time Setup ⛔ BLOCKING
-                                                                                      │
+                                                                  │
-        ┌───────────────────────────────────────────────────────────────────────────┘
+                                                                  └─ Complete setup → Save EXTEND.md → Continue
-        ↓
+                                                                                                          │
-Analyze → [Smart Confirm] ─┬─ Quick: confirm recommended → outline.md → Generate → Complete
+                    ┌─────────────────────────────────────────────────────────────────────────────────────┘
-                           │
+                    ↓
-                           ├─ Customize: adjust options → outline.md → Generate → Complete
+            Analyze → [Smart Confirm] ─┬─ Quick: confirm recommended → outline.md → Generate → Complete
-                           │
+                                       │
-                           └─ Detailed: 3 outlines → [Confirm 2] → outline.md → Generate → Complete
+                                       ├─ Customize: adjust options → outline.md → Generate → Complete
+                                       │
+                                       └─ Detailed: 3 outlines → [Confirm 2] → outline.md → Generate → Complete
 ```
 
 ### Step 0: Load Preferences (EXTEND.md) ⛔ BLOCKING
 
 **Purpose**: Load user preferences or run first-time setup.
 
-**CRITICAL**: If EXTEND.md not found, MUST complete first-time setup before ANY other questions or steps. Do NOT proceed to content analysis, do NOT ask about style, do NOT ask about layout — ONLY complete the preferences setup first.
+**`--yes` mode**: If EXTEND.md found → load it. If not found → use built-in defaults (no watermark, style/layout auto-select, language from content). Do NOT run first-time setup, do NOT create EXTEND.md, do NOT ask any questions. Proceed directly to Step 1.
+
+**CRITICAL** (interactive mode only): If EXTEND.md not found, MUST complete first-time setup before ANY other questions or steps. Do NOT proceed to content analysis, do NOT ask about style, do NOT ask about layout — ONLY complete the preferences setup first.
 
 Check EXTEND.md existence (priority order):
 
@@ -340,7 +349,11 @@ Read source content, save it if needed, and perform deep analysis.
 
 ### Step 2: Smart Confirm ⚠️
 
-**Purpose**: Present auto-recommended plan, let user confirm or adjust. **Do NOT skip.**
+**Purpose**: Present auto-recommended plan, let user confirm or adjust.
+
+**`--yes` mode**: Skip this entire step. Use auto-recommended strategy + style + layout from Step 1 analysis (or `--style`/`--layout`/`--preset` if provided). Generate outline directly using Path A logic → save to `outline.md` → proceed to Step 3. No AskUserQuestion calls.
+
+**Interactive mode**: Do NOT skip.
 
 **Auto-Recommendation Logic**:
 1. Use Auto Selection table to match content signals → best strategy + style + layout
@@ -491,7 +504,7 @@ Reference: `references/config/watermark-guide.md`
 
 **Image Generation Skill Selection**:
 - Check available image generation skills
-- If multiple skills available, ask user preference
+- If multiple skills available: ask user preference (interactive) or use first available skill (`--yes` mode)
 
 **Session Management**:
 If image generation skill supports `--sessionId`: