feat(posts): add 2 local TTS posts (EN+ZH) on CosyVoice 2 stack and percent-encoding post-mortem

scripts/og-gen/art-meta.json

@@ -245,5 +245,15 @@
   "evidence": "bassScale 30fps tremor killed · 2-layer opacity crossfade",
   "ogTitle_en": "Debugging Remotion Video Jitter",
   "ogTitle_zh": "排查 Remotion 视频抽搐与透明度叠化"
+ },
+ "self-hosted-tts-cosyvoice2-n8n-gpu": {
+  "evidence": "3.2GB VRAM · 300ms first-packet · 0 cloud API fees",
+  "ogTitle_en": "Self-Hosted Neural TTS with CosyVoice 2 & N8N",
+  "ogTitle_zh": "自建 CosyVoice 2 高保真语音栈与 N8N 联动"
+ },
+ "why-is-my-tts-model-repeating-percent": {
+  "evidence": "URL percent-encoding trap killed · 2-layer defensive fix",
+  "ogTitle_en": "Why Your TTS Model Keeps Saying \"Percent\"",
+  "ogTitle_zh": "为什么本地语音合成一直在念 Percent？"
  }
 }