feat: Add batch fetching for observations and update documentation

- Implemented a new endpoint for fetching multiple observations by IDs in a single request.
- Updated the DataRoutes to include a POST /api/observations/batch endpoint.
- Enhanced SKILL.md documentation to reflect changes in the search process and batch fetching capabilities.
- Increased the default limit for search results from 5 to 40 for better usability.

plugin/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "claude-mem-plugin",
+  "version": "7.2.1",
+  "private": true,
+  "description": "Runtime dependencies for claude-mem bundled hooks",
+  "type": "module",
+  "dependencies": {},
+  "engines": {
+    "node": ">=18.0.0",
+    "bun": ">=1.0.0"
+  }
+}