feat(skills): update media-delivery

media-delivery/SKILL.md

@@ -396,6 +396,15 @@ MEDIA:C:/Users/YourUsername/.hermes/cache/documents/data.csv
    - Using angle brackets: `](</path/to/文件.docx>)`
    - Checking if the file actually exists at the path
 
+8. **File location matters for download permissions**:
+   - **Workspace** (`/home/lcai/.hermes/workspace/`): ✅ All file types allowed
+   - **Cache** (`/home/lcai/.hermes/cache/documents/`): ⚠️ Some formats restricted (e.g., `.md`)
+   
+   If `.md` files fail in cache directory, move to workspace:
+   ```bash
+   mv ~/.hermes/cache/documents/file.md ~/.hermes/workspace/
+   ```
+
 ---
 
 ## 6. Diagnostic Checklist