chore: bump version to 0.2.1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dsh-context",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Context insight panel for DeepSeek Harness: a Context tab (beside Chat/Trajectory) showing what the model's context window is made of and how it evolves — composition, per-request history, compactions, injections, and model switches.",
   "type": "module",
   "main": "lib/index.js",