Release v4.2.4: Enhanced summary prompt clarity

Improvements:
- Removed optional skip_summary functionality (summaries now always generated)
- Clarified that summaries are mid-session checkpoints, not session endings
- Improved request field instructions to better form descriptive titles
- Changed wording from "discovered" to "learned" for consistency

Technical changes:
- Updated src/sdk/prompts.ts summary prompt
- Removed "WHEN NOT TO SUMMARIZE" section
- Added clarifying footer text about ongoing sessions
- Updated built worker-service.cjs
- Bumped version to 4.2.4 in all metadata files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

plugin/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "claude-mem",
-  "version": "4.2.3",
+  "version": "4.2.4",
   "description": "Persistent memory system for Claude Code - seamlessly preserve context across sessions",
   "author": {
     "name": "Alex Newman"