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/architecture/hooks.mdx

@@ -28,7 +28,7 @@ Hooks are configured in `plugin/hooks/hooks.json`:
     "SessionStart": [{
       "hooks": [{
         "type": "command",
-        "command": "cd \"${CLAUDE_PLUGIN_ROOT}/..\" && npm install --prefer-offline --no-audit --no-fund --loglevel=error && node ${CLAUDE_PLUGIN_ROOT}/scripts/context-hook.js",
+        "command": "cd \"${CLAUDE_PLUGIN_ROOT}/..\" && npm install --prefer-offline --no-audit --no-fund --loglevel=silent && node ${CLAUDE_PLUGIN_ROOT}/scripts/context-hook.js",
         "timeout": 120
       }]
     }],
@@ -91,7 +91,9 @@ Hooks are configured in `plugin/hooks/hooks.json`:
 }
 ```
 
-**Implementation**: `src/hooks/context.ts` and `src/bin/hooks/context-hook.ts`
+**Implementation**: `src/hooks/context-hook.ts`
+
+**v4.3.1 Fix**: Changed npm install to use `--loglevel=silent` instead of `--loglevel=error` to prevent output pollution that was breaking JSON context injection.
 
 ## 2. UserPromptSubmit Hook (`new-hook.js`)
 
@@ -112,7 +114,7 @@ Hooks are configured in `plugin/hooks/hooks.json`:
 }
 ```
 
-**Implementation**: `src/hooks/new.ts` and `src/bin/hooks/new-hook.ts`
+**Implementation**: `src/hooks/new-hook.ts`
 
 ## 3. PostToolUse Hook (`save-hook.js`)
 
@@ -136,7 +138,7 @@ Hooks are configured in `plugin/hooks/hooks.json`:
 }
 ```
 
-**Implementation**: `src/hooks/save.ts` and `src/bin/hooks/save-hook.ts`
+**Implementation**: `src/hooks/save-hook.ts`
 
 ## 4. Stop Hook (`summary-hook.js`)
 
@@ -156,7 +158,7 @@ Hooks are configured in `plugin/hooks/hooks.json`:
 }
 ```
 
-**Implementation**: `src/hooks/summary.ts` and `src/bin/hooks/summary-hook.ts`
+**Implementation**: `src/hooks/summary-hook.ts`
 
 ## 5. SessionEnd Hook (`cleanup-hook.js`)
 
@@ -177,16 +179,15 @@ Hooks are configured in `plugin/hooks/hooks.json`:
 }
 ```
 
-**Implementation**: `src/hooks/cleanup.ts` and `src/bin/hooks/cleanup-hook.ts`
+**Implementation**: `src/hooks/cleanup-hook.ts`
 
 ## Hook Development
 
 ### Adding a New Hook
 
 1. Create hook implementation in `src/hooks/your-hook.ts`
-2. Create entry point in `src/bin/hooks/your-hook.ts`
-3. Add to `plugin/hooks/hooks.json`
-4. Rebuild with `npm run build`
+2. Add to `plugin/hooks/hooks.json`
+3. Rebuild with `npm run build`
 
 ### Hook Best Practices
 

docs/architecture/overview.mdx

@@ -90,20 +90,13 @@ Claude Request → MCP Server → SessionSearch Service → FTS5 Database → Se
 ```
 claude-mem/
 ├── src/
-│   ├── bin/hooks/              # Entry point scripts for 5 hooks
+│   ├── hooks/                  # Hook implementations (v4.3.1+ consolidated)
 │   │   ├── context-hook.ts     # SessionStart
 │   │   ├── new-hook.ts         # UserPromptSubmit
 │   │   ├── save-hook.ts        # PostToolUse
 │   │   ├── summary-hook.ts     # Stop
 │   │   └── cleanup-hook.ts     # SessionEnd
 │   │
-│   ├── hooks/                  # Hook implementation logic
-│   │   ├── context.ts
-│   │   ├── new.ts
-│   │   ├── save.ts
-│   │   ├── summary.ts
-│   │   └── cleanup.ts
-│   │
 │   ├── servers/                # MCP servers
 │   │   └── search-server.ts    # MCP search tools server
 │   │