feat(llm-wiki): 迁入 llm-wiki 技能包及依赖（85 文件，含 baoyu-url-to-markdown 适配器）

llm-wiki/templates/index-en-template.md

@@ -0,0 +1,51 @@
+# Wiki Index
+
+> Last updated: {{DATE}}
+
+---
+
+## Overview
+
+- Topic: {{TOPIC}}
+- Total sources: 0
+- Total wiki pages: 0
+
+---
+
+## Entity Pages
+
+> People, organizations, concepts, tools
+
+(none yet)
+
+---
+
+## Topic Pages
+
+> Research topics, knowledge domains
+
+(none yet)
+
+---
+
+## Source Summaries
+
+> One summary page per ingested source
+
+(none yet)
+
+---
+
+## Comparisons
+
+> Side-by-side analysis of options, tools, viewpoints
+
+(none yet)
+
+---
+
+## Synthesis
+
+> Deep cross-source analysis
+
+(none yet)