feat(kb-deep-analyzer): Enhance template and metadata

- Add complete metadata to frontmatter (bvid, cvid, mid, platform)
- Add AI-generated tags in analysis prompt
- Update templates to include full metadata
- Add tags_string for YAML array format

skills/kb-deep-analyzer/deep_analyzer.py

@@ -406,7 +406,8 @@ class DeepAnalyzer:
     "summary": "整体摘要（100字以内）",
     "topics": ["主题1", "主题2", "主题3"],
     "insights": ["见解1", "见解2"],
-    "actions": ["建议1"]
+    "actions": ["建议1"],
+    "tags": ["标签1", "标签2", "标签3", "标签4", "标签5"]
 }}"""
         
         try:
@@ -417,7 +418,8 @@ class DeepAnalyzer:
                 "summary": title,
                 "topics": ["主题1", "主题2", "主题3"],
                 "insights": ["无法获取深入见解"],
-                "actions": []
+                "actions": [],
+                "tags": []
             }
     
     def _get_text_sample(self, text: str, max_chars: int) -> str:
@@ -500,6 +502,17 @@ class TemplateLoader:
     TEMPLATES = {
         "video": """# {{title}}
 
+---
+title: "{{title}}"
+date: {{date}}
+duration: {{duration}}
+author: {{author}}
+source: {{source}}
+tags: [{{tags_string}}]
+bvid: {{bvid}}
+platform: {{platform}}
+---
+
 ## 基本信息
 - **时长**: {{duration}}
 - **作者**: {{author}}
@@ -538,9 +551,26 @@ class TemplateLoader:
 - {{tag}}
 {% endfor %}
 {% endif %}
+
+---
+
+*元数据*
+- **平台**: {{platform}}
+- **BV号**: {{bvid}}
+- **原始文件**: {{source_file}}
 """,
         "article": """# {{title}}
 
+---
+title: "{{title}}"
+date: {{date}}
+author: {{author}}
+source: {{source}}
+tags: [{{tags_string}}]
+cvid: {{cvid}}
+platform: {{platform}}
+---
+
 ## 基本信息
 - **作者**: {{author}}
 - **来源**: {{source}}
@@ -570,6 +600,13 @@ class TemplateLoader:
 - {{tag}}
 {% endfor %}
 {% endif %}
+
+---
+
+*元数据*
+- **平台**: {{platform}}
+- **CV号**: {{cvid}}
+- **原始文件**: {{source_file}}
 """
     }
     
@@ -738,6 +775,7 @@ def main():
     
     variables = {
         "title": metadata.get('title', '未命名'),
+        "date": datetime.now().strftime('%Y-%m-%d'),
         "duration": format_duration(metadata.get('duration', 0)),
         "author": metadata.get('author', '未知'),
         "source": metadata.get('source', ''),
@@ -747,7 +785,15 @@ def main():
         "insights": result.key_insights,
         "actions": result.action_items,
         "tags": result.recommended_tags,
-        "timeline": result.timeline
+        "tags_string": ', '.join(f'"{t}"' for t in (result.recommended_tags or [])),
+        "timeline": result.timeline,
+        # 扩展元数据
+        "bvid": metadata.get('bvid', ''),
+        "cvid": metadata.get('cvid', ''),
+        "mid": metadata.get('mid', ''),
+        "platform": metadata.get('platform', 'bilibili'),
+        "source_file": metadata.get('source_file', ''),
+        "aid": str(metadata.get('aid', '')),
     }
     
     markdown_content = renderer.render(template, variables)