Release v4.3.0: Progressive Disclosure Context

Major Feature:
- Progressive Disclosure Context: 3-layer memory retrieval system
  - Layer 1 (Index): Observation titles, token costs, type indicators
  - Layer 2 (Details): Full narratives via MCP search on-demand
  - Layer 3 (Perfect Recall): Source code and original transcripts
- Context hook displays observations in table format
- Type indicators: 🔴 critical, 🟤 decision, 🔵 informational
- Token counts help Claude decide: fetch details vs read code

Added:
- Agent Skills documentation and version bump management skill
- Memory toggle feature planning document

Changed:
- Enhanced session summary handling and timeline rendering
- Context token cost increased from ~800 to ~2,500 tokens

Fixed:
- Removed hardcoded macOS-specific paths (fixes #23)
- Cross-platform path detection improvements

Files Updated:
- package.json, marketplace.json, plugin.json: version 4.3.0
- CLAUDE.md: version history and current version updated
- README.md: removed experimental section, integrated feature
- CHANGELOG.md: comprehensive v4.3.0 release entry
- Built all hooks and worker service

🤖 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": "4.2.11",
+  "version": "4.3.0",
   "description": "Persistent memory system for Claude Code - seamlessly preserve context across sessions",
   "author": {
     "name": "Alex Newman"