Fix: Update npm loglevel to silent in SessionStart hook to prevent context injection issues; consolidate hooks architecture and update documentation for v4.3.1

docs/introduction.mdx

@@ -67,16 +67,21 @@ See [Architecture Overview](architecture/overview) for details.
 - **PM2**: Process manager (bundled - no global install required)
 - **SQLite 3**: For persistent storage (bundled)
 
-## What's New in v4.2.3
+## What's New in v4.3.1
 
-**Security:**
-- Fixed FTS5 injection vulnerability in search functions
-- Added comprehensive test suite with 332 injection attack tests
+**Critical Fix:**
+- Fixed SessionStart hook context injection (v4.3.1)
+  - Context wasn't being injected due to npm output pollution
+  - Changed npm loglevel to `--loglevel=silent` for clean JSON output
 
-**Fixes:**
-- Fixed ESM/CJS compatibility for getDirname function
-- Fixed Windows PowerShell compatibility in SessionStart hook
-- Cross-platform dependency installation now works on Windows, macOS, and Linux
+**Code Quality:**
+- Consolidated hooks architecture (removed bin/hooks wrapper layer)
+- Fixed double shebang issues in hook executables
+
+**Recent Updates (v4.3.0):**
+- Progressive disclosure context with observation timelines
+- Enhanced session summaries with token cost visibility
+- Cross-platform path detection improvements
 
 ## Next Steps