chore: sync vault to ~/cosmic-brain (Obsidian-registered path)

.claude-plugin/marketplace.json

@@ -0,0 +1,30 @@
+{
+  "name": "cosmic-brain-marketplace",
+  "owner": {
+    "name": "AgriciDaniel",
+    "email": "github@agricidaniel"
+  },
+  "metadata": {
+    "description": "cosmic-brain — Claude + Obsidian knowledge companion by AgriciDaniel",
+    "version": "1.0.0"
+  },
+  "plugins": [
+    {
+      "name": "cosmic-brain",
+      "source": {
+        "source": "github",
+        "repo": "AgriciDaniel/cosmic-brain",
+        "ref": "main"
+      },
+      "description": "Claude + Obsidian knowledge companion. Sets up a persistent, compounding wiki vault. Covers memory management, session notetaking, knowledge organization, and agent context across projects.",
+      "version": "1.0.0",
+      "author": {
+        "name": "AgriciDaniel",
+        "url": "https://github.com/AgriciDaniel"
+      },
+      "homepage": "https://github.com/AgriciDaniel/cosmic-brain",
+      "repository": "https://github.com/AgriciDaniel/cosmic-brain",
+      "license": "MIT"
+    }
+  ]
+}