Add smartgift-all bundle plugin (both skills via symlink, zero drift)

.claude-plugin/marketplace.json

@@ -7,6 +7,12 @@
     "email": "vinnt@smartgift.vn"
   },
   "plugins": [
+    {
+      "name": "smartgift-all",
+      "source": "./plugins/all",
+      "description": "Toàn bộ — cả md-writing lẫn prompt-sharpening. Cài cái này nếu muốn tất cả.",
+      "category": "workflow"
+    },
     {
       "name": "smartgift-dev",
       "source": "./plugins/dev",
@@ -20,4 +26,4 @@
       "category": "productivity"
     }
   ]
-}
+}

plugins/all/.claude-plugin/plugin.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://anthropic.com/claude-code/plugin.schema.json",
+  "name": "smartgift-all",
+  "version": "0.1.0",
+  "description": "Smartgift — toàn bộ skill: md-writing (dev) + prompt-sharpening (dùng chung). Cài một cái là có tất cả.",
+  "author": {
+    "name": "Smartgift",
+    "email": "vinnt@smartgift.vn"
+  }
+}

plugins/all/skills/md-writing

@@ -0,0 +1 @@
+../../dev/skills/md-writing

plugins/all/skills/prompt-sharpening

@@ -0,0 +1 @@
+../../common/skills/prompt-sharpening