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diff --git a/public/og/traefik-yaegi-plugin-package-name-trap.jpg b/public/og/traefik-yaegi-plugin-package-name-trap.jpg
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diff --git a/public/og/when-lowering-crf-does-nothing-maxrate-deadlock.jpg b/public/og/when-lowering-crf-does-nothing-maxrate-deadlock.jpg
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diff --git a/public/og/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg b/public/og/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg
new file mode 100644
index 0000000..db2313b
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diff --git a/public/og/zh-architecting-sea-payment-and-offline-licensing-pipelines.jpg b/public/og/zh-architecting-sea-payment-and-offline-licensing-pipelines.jpg
new file mode 100644
index 0000000..7701428
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diff --git a/public/og/zh-batch-generating-80-technical-covers-with-comfyui.jpg b/public/og/zh-batch-generating-80-technical-covers-with-comfyui.jpg
new file mode 100644
index 0000000..1f56ee6
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diff --git a/public/og/zh-traefik-yaegi-plugin-package-name-trap.jpg b/public/og/zh-traefik-yaegi-plugin-package-name-trap.jpg
new file mode 100644
index 0000000..aa23933
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diff --git a/public/og/zh-when-lowering-crf-does-nothing-maxrate-deadlock.jpg b/public/og/zh-when-lowering-crf-does-nothing-maxrate-deadlock.jpg
new file mode 100644
index 0000000..7caff1c
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diff --git a/public/og/zh-why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg b/public/og/zh-why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg
new file mode 100644
index 0000000..62eb9a5
Binary files /dev/null and b/public/og/zh-why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg differ
diff --git a/scripts/og-gen/art-meta.json b/scripts/og-gen/art-meta.json
index 08b1f20..b9d7f14 100644
--- a/scripts/og-gen/art-meta.json
+++ b/scripts/og-gen/art-meta.json
@@ -296,5 +296,30 @@
  },
  "generating-full-length-songs-with-yue2-comfyui": {
   "evidence": "60 songs - 9-part structure - 295s headroom cap"
+ },
+ "when-lowering-crf-does-nothing-maxrate-deadlock": {
+  "evidence": "CRF 19→14 · SSIM +0.00003 · 106.2h wasted",
+  "ogTitle_en": "When Lowering CRF Does Nothing",
+  "ogTitle_zh": "降低 CRF 为何毫无效果：maxrate 死锁"
+ },
+ "why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux": {
+  "evidence": "-map 0 copy · tx3g CC · udta/name dual-write",
+  "ogTitle_en": "Why ffmpeg -map 0 Breaks Remux",
+  "ogTitle_zh": "ffmpeg -map 0 搞崩跨容器混流"
+ },
+ "traefik-yaegi-plugin-package-name-trap": {
+  "evidence": "Yaegi lookup · hyphen to underscore · panic",
+  "ogTitle_en": "Traefik Yaegi Plugin Package Trap",
+  "ogTitle_zh": "Traefik Yaegi 插件启动崩溃陷阱"
+ },
+ "architecting-sea-payment-and-offline-licensing-pipelines": {
+  "evidence": "toyyibPay FPX · FOR UPDATE · Ed25519 offline",
+  "ogTitle_en": "SEA Payment & Offline Licensing",
+  "ogTitle_zh": "东南亚网银支付与离线机器码授权"
+ },
+ "batch-generating-80-technical-covers-with-comfyui": {
+  "evidence": "89 covers in 48m · 35% safe zone · Laplacian filter",
+  "ogTitle_en": "Batch Generating 80+ Technical Covers",
+  "ogTitle_zh": "ComfyUI 批量闭环 80+ 张技术封面"
  }
 }
\ No newline at end of file
diff --git a/scripts/update_frontmatter_assets.py b/scripts/update_frontmatter_assets.py
new file mode 100644
index 0000000..3d6d773
--- /dev/null
+++ b/scripts/update_frontmatter_assets.py
@@ -0,0 +1,44 @@
+import os
+import re
+
+repo = "D:/dev/hoelee-blog"
+posts_dir = os.path.join(repo, "src/content/posts")
+
+slugs = [
+    ("when-lowering-crf-does-nothing-maxrate-deadlock", False),
+    ("why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux", False),
+    ("traefik-yaegi-plugin-package-name-trap", True),
+    ("architecting-sea-payment-and-offline-licensing-pipelines", True),
+    ("batch-generating-80-technical-covers-with-comfyui", True)
+]
+
+for slug, is_draft in slugs:
+    en_path = os.path.join(posts_dir, f"{slug}.md")
+    zh_path = os.path.join(posts_dir, "zh", f"{slug}.md")
+    
+    draft_val = "true" if is_draft else "false"
+    
+    # Process EN
+    with open(en_path, "r", encoding="utf-8") as f:
+        en_text = f.read()
+    
+    en_text = re.sub(r"^draft:\s*(true|false)", f"draft: {draft_val}", en_text, flags=re.MULTILINE)
+    
+    if "ogImage:" not in en_text:
+        en_text = re.sub(r"^---\r?\n", f"---\nogImage: \"/og/{slug}.jpg\"\nbanner: \"/banners/{slug}.jpg\"\n", en_text)
+    
+    with open(en_path, "w", encoding="utf-8") as f:
+        f.write(en_text)
+        
+    # Process ZH
+    with open(zh_path, "r", encoding="utf-8") as f:
+        zh_text = f.read()
+    
+    zh_text = re.sub(r"^draft:\s*(true|false)", f"draft: {draft_val}", zh_text, flags=re.MULTILINE)
+    if "ogImage:" not in zh_text:
+        zh_text = re.sub(r"^---\r?\n", f"---\nogImage: \"/og/zh-{slug}.jpg\"\nbanner: \"/banners/{slug}.jpg\"\n", zh_text)
+        
+    with open(zh_path, "w", encoding="utf-8") as f:
+        f.write(zh_text)
+
+print("Frontmatter updated successfully.")
diff --git a/src/content/posts/architecting-sea-payment-and-offline-licensing-pipelines.md b/src/content/posts/architecting-sea-payment-and-offline-licensing-pipelines.md
index a878c5b..59df765 100644
--- a/src/content/posts/architecting-sea-payment-and-offline-licensing-pipelines.md
+++ b/src/content/posts/architecting-sea-payment-and-offline-licensing-pipelines.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/architecting-sea-payment-and-offline-licensing-pipelines.jpg"
+banner: "/banners/architecting-sea-payment-and-offline-licensing-pipelines.jpg"
 title: "Delivering Commercial Desktop Software in Southeast Asia: Multi-Gateway Billing with toyyibPay and Keygate Fulfillment"
 description: "How I architected a cross-border commercial software entitlement pipeline: combining toyyibPay FPX payments, machine-bound Keygate licenses, and idempotent state machines for Southeast Asian markets."
 pubDate: 2026-10-27
diff --git a/src/content/posts/batch-generating-80-technical-covers-with-comfyui.md b/src/content/posts/batch-generating-80-technical-covers-with-comfyui.md
index 7b92120..386396e 100644
--- a/src/content/posts/batch-generating-80-technical-covers-with-comfyui.md
+++ b/src/content/posts/batch-generating-80-technical-covers-with-comfyui.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/batch-generating-80-technical-covers-with-comfyui.jpg"
+banner: "/banners/batch-generating-80-technical-covers-with-comfyui.jpg"
 title: "Batch Generating 80+ Technical Covers with ComfyUI: Constraining Style, Space, and Typography"
 description: "How I automated the generation of 89 high-contrast technical article covers using a headless ComfyUI API pipeline: enforcing negative space, dark palettes, and zero-hallucination text boundaries."
 pubDate: 2026-10-27
diff --git a/src/content/posts/traefik-yaegi-plugin-package-name-trap.md b/src/content/posts/traefik-yaegi-plugin-package-name-trap.md
index 7b82162..a813804 100644
--- a/src/content/posts/traefik-yaegi-plugin-package-name-trap.md
+++ b/src/content/posts/traefik-yaegi-plugin-package-name-trap.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/traefik-yaegi-plugin-package-name-trap.jpg"
+banner: "/banners/traefik-yaegi-plugin-package-name-trap.jpg"
 title: "Why Your Traefik Yaegi Plugin Fails on Boot: The Module Hyphen to Underscore Trap"
 description: "Why Traefik crashes on boot with 'CreateConfig failed with Yaegi' when loading custom Go plugins: diagnosing the hidden package naming convention enforced by the Yaegi dynamic interpreter."
 pubDate: 2026-10-27
diff --git a/src/content/posts/when-lowering-crf-does-nothing-maxrate-deadlock.md b/src/content/posts/when-lowering-crf-does-nothing-maxrate-deadlock.md
index 39fd868..cbd919a 100644
--- a/src/content/posts/when-lowering-crf-does-nothing-maxrate-deadlock.md
+++ b/src/content/posts/when-lowering-crf-does-nothing-maxrate-deadlock.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/when-lowering-crf-does-nothing-maxrate-deadlock.jpg"
+banner: "/banners/when-lowering-crf-does-nothing-maxrate-deadlock.jpg"
 title: "When Lowering CRF Does Nothing: The -maxrate Ceiling and the SSIM Quality Deadlock"
 description: "Why dropping CRF by five steps improved SSIM by only 0.00003: discovering the mathematical conflict between -maxrate bitrate ceilings and quality gates in high-throughput video re-encoding."
 pubDate: 2026-10-27
@@ -6,7 +8,7 @@ category: devops
 blueprint: self-hosted-infrastructure
 blueprintLayer: L1-compute-storage-network
 tags: ["ffmpeg", "transcoding", "hevc", "ssim", "video-engineering", "quality-gate"]
-draft: true
+draft: false
 summary:
   audience: "Video Infrastructure Engineers, SREs & Platform Architects"
   painPoint: "A high-throughput video space-reclamation pipeline repeatedly burned 106 hours across 487 encoding rounds because quality-gate retries (crf -2) produced zero metric improvement on capped bitrates."
diff --git a/src/content/posts/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md b/src/content/posts/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md
index 76ed451..865ec37 100644
--- a/src/content/posts/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md
+++ b/src/content/posts/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg"
+banner: "/banners/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg"
 title: "Why ffmpeg -map 0 Breaks Your Remux: The Hidden Matrix of Multi-Track MP4 and Matroska"
 description: "Why using -map 0 silently aborts Matroska muxers, drops subtitle fonts, and corrupts Apple playback: an empirical teardown of container constraints across multi-track media pipelines."
 pubDate: 2026-10-27
@@ -6,7 +8,7 @@ category: engineering
 blueprint: self-hosted-infrastructure
 blueprintLayer: L1-compute-storage-network
 tags: ["ffmpeg", "containers", "mp4", "matroska", "subtitles", "media-pipeline"]
-draft: true
+draft: false
 summary:
   audience: "Media Systems Engineers, Full-Stack Architects & Streaming DevOps"
   painPoint: "A media remuxing daemon using naive -map 0 silently crashed on container conversions, dropped stylised subtitles, and broke track selection on iOS clients."
diff --git a/src/content/posts/zh/architecting-sea-payment-and-offline-licensing-pipelines.md b/src/content/posts/zh/architecting-sea-payment-and-offline-licensing-pipelines.md
index 09f2dc1..2f46895 100644
--- a/src/content/posts/zh/architecting-sea-payment-and-offline-licensing-pipelines.md
+++ b/src/content/posts/zh/architecting-sea-payment-and-offline-licensing-pipelines.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/zh-architecting-sea-payment-and-offline-licensing-pipelines.jpg"
+banner: "/banners/architecting-sea-payment-and-offline-licensing-pipelines.jpg"
 title: "在东南亚交付桌面商业软件：对接 toyyibPay 本地网银与 Keygate 机器码离线授权"
 description: "如何为东南亚市场构建跨区域商业软件交付流水线：深度集成 toyyibPay FPX 银行直付网关、Keygate 硬件绑定离线授权体系与幂等状态机架构实战。"
 pubDate: 2026-10-27
diff --git a/src/content/posts/zh/batch-generating-80-technical-covers-with-comfyui.md b/src/content/posts/zh/batch-generating-80-technical-covers-with-comfyui.md
index 6770071..407d2f4 100644
--- a/src/content/posts/zh/batch-generating-80-technical-covers-with-comfyui.md
+++ b/src/content/posts/zh/batch-generating-80-technical-covers-with-comfyui.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/zh-batch-generating-80-technical-covers-with-comfyui.jpg"
+banner: "/banners/batch-generating-80-technical-covers-with-comfyui.jpg"
 title: "用 ComfyUI 批量闭环 80+ 张技术图文封面：设计规范约束、留白控制与批处理工作流"
 description: "如何通过 Headless ComfyUI API 流水线自动化生成 89 张高对比度技术博客封面：深度实战留白预留、暗色调约束与零文本幻觉的批处理闭环方案。"
 pubDate: 2026-10-27
diff --git a/src/content/posts/zh/traefik-yaegi-plugin-package-name-trap.md b/src/content/posts/zh/traefik-yaegi-plugin-package-name-trap.md
index f84786c..326261e 100644
--- a/src/content/posts/zh/traefik-yaegi-plugin-package-name-trap.md
+++ b/src/content/posts/zh/traefik-yaegi-plugin-package-name-trap.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/zh-traefik-yaegi-plugin-package-name-trap.jpg"
+banner: "/banners/traefik-yaegi-plugin-package-name-trap.jpg"
 title: "Traefik 自定义插件启动崩溃：Yaegi 解释器的连字符与下划线陷阱"
 description: "为什么本地测试全部通过的 Go 插件在 Traefik 启动时报错 'CreateConfig failed with Yaegi'：深度排查 Yaegi 动态解释器对模块路径连字符转下划线的包命名隐蔽契约。"
 pubDate: 2026-10-27
diff --git a/src/content/posts/zh/when-lowering-crf-does-nothing-maxrate-deadlock.md b/src/content/posts/zh/when-lowering-crf-does-nothing-maxrate-deadlock.md
index 2eeae09..3cb8674 100644
--- a/src/content/posts/zh/when-lowering-crf-does-nothing-maxrate-deadlock.md
+++ b/src/content/posts/zh/when-lowering-crf-does-nothing-maxrate-deadlock.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/zh-when-lowering-crf-does-nothing-maxrate-deadlock.jpg"
+banner: "/banners/when-lowering-crf-does-nothing-maxrate-deadlock.jpg"
 title: "当降低 CRF 毫无效果：视频转码中 -maxrate 封顶与 SSIM 质量门禁的死锁"
 description: "为什么将 CRF 下调 5 档仅让 SSIM 微升 0.00003：深度拆解高吞吐视频转码管线中 -maxrate 码率天花板与客观质量门禁之间的数学死锁与两档放行解法。"
 pubDate: 2026-10-27
@@ -6,7 +8,7 @@ category: devops
 blueprint: self-hosted-infrastructure
 blueprintLayer: L1-compute-storage-network
 tags: ["ffmpeg", "transcoding", "hevc", "ssim", "video-engineering", "quality-gate"]
-draft: true
+draft: false
 summary:
   audience: "视频基础设施工程师、SRE 与平台架构师"
   painPoint: "私有高吞吐转码管线在 487 轮转码中空转了 106 小时算力，原因是质量门禁的自动重试（CRF -2）在硬性码率上限拦截下完全失效。"
diff --git a/src/content/posts/zh/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md b/src/content/posts/zh/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md
index cae0692..93f773e 100644
--- a/src/content/posts/zh/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md
+++ b/src/content/posts/zh/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.md
@@ -1,4 +1,6 @@
 ---
+ogImage: "/og/zh-why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg"
+banner: "/banners/why-ffmpeg-map-0-breaks-your-mp4-and-mkv-remux.jpg"
 title: "为什么 ffmpeg -map 0 会搞崩混流：跨容器多音轨、字幕与字体的深水区"
 description: "为什么无脑使用 -map 0 会导致 Matroska 混流器直接报错退出、字幕字体静默丢失以及 Apple 客户端音轨失效：跨格式多媒体管线中的容器兼容性实战拆解。"
 pubDate: 2026-10-27
@@ -6,7 +8,7 @@ category: engineering
 blueprint: self-hosted-infrastructure
 blueprintLayer: L1-compute-storage-network
 tags: ["ffmpeg", "containers", "mp4", "matroska", "subtitles", "media-pipeline"]
-draft: true
+draft: false
 summary:
   audience: "多媒体系统工程师、全栈架构师与流媒体 DevOps"
   painPoint: "后台转码服务使用朴素的 -map 0 命令进行混流，在跨容器转换时遭遇混流器崩溃、特效字幕丢失以及 iOS 客户端音轨名消失等隐蔽故障。"