feat(vault): track PARA layer (Categories/References/Notes/Daily/Clippings/Tags/Attachments/Presentations)

- Add 8 PARA directories to .gitignore whitelist (234 files)
- Completes dual-layer sync: LLM Wiki layer + PARA personal knowledge layer
- markdown_output/ remains excluded (transit zone)

Attachments/people/_results.json

@@ -0,0 +1,38 @@
+{
+  "success": [
+    "阎锡山",
+    "魏孝文帝",
+    "贾樟柯",
+    "于成龙",
+    "武则天",
+    "关羽",
+    "陈永贵",
+    "刘慈欣",
+    "李彦宏",
+    "郭兰英",
+    "张之洞",
+    "孟浩然",
+    "熊召政",
+    "毛泽东",
+    "张思德",
+    "张浩",
+    "林彪",
+    "吴烈",
+    "康生",
+    "柯庆施",
+    "王志纲",
+    "Andrej Karpathy",
+    "Vannevar Bush",
+    "介子推",
+    "贾跃亭",
+    "楚庄王",
+    "杨兰史",
+    "刘树林",
+    "Steph Ango"
+  ],
+  "failed": [],
+  "no_image": [
+    "孙宏斌",
+    "郭凤莲"
+  ]
+}