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docs: Add comprehensive Framework-Hooks documentation
Complete technical documentation for the SuperClaude Framework-Hooks system: • Overview documentation explaining pattern-driven intelligence architecture • Individual hook documentation for all 7 lifecycle hooks with performance targets • Complete configuration documentation for all YAML/JSON config files • Pattern system documentation covering minimal/dynamic/learned patterns • Shared modules documentation for all core intelligence components • Integration guide showing SuperClaude framework coordination • Performance guide with optimization strategies and benchmarks Key technical features documented: - 90% context reduction through pattern-driven approach (50KB+ → 5KB) - 10x faster bootstrap performance (500ms+ → <50ms) - 7 lifecycle hooks with specific performance targets (50-200ms) - 5-level compression system with quality preservation ≥95% - Just-in-time capability loading with intelligent caching - Cross-hook learning system for continuous improvement - MCP server coordination for all 6 servers - Integration with 4 behavioral modes and 8-step quality gates Documentation provides complete technical reference for developers, system administrators, and users working with the Framework-Hooks system architecture and implementation. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Framework-Hooks/docs/Configuration/settings.json.md
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Framework-Hooks/docs/Configuration/settings.json.md
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# Hook Settings Configuration (`settings.json`)
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## Overview
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The `settings.json` file defines the Claude Code hook configuration settings for the SuperClaude-Lite framework. This file specifies the execution patterns, timeouts, and command paths for all framework hooks, serving as the bridge between Claude Code's hook system and the SuperClaude implementation.
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## Purpose and Role
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The hook settings configuration serves as:
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- **Hook Registration**: Registers all 7 SuperClaude hooks with Claude Code
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- **Execution Configuration**: Defines command paths, timeouts, and execution patterns
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- **Universal Matching**: Applies hooks to all operations through `"matcher": "*"`
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- **Timeout Management**: Establishes execution time limits for each hook type
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- **Command Coordination**: Links hook names to Python implementation files
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## File Structure and Organization
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### 1. Hook Registration Pattern
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The configuration follows Claude Code's hook registration format:
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```json
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{
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"hooks": {
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"HookName": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/hook_file.py",
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"timeout": 10
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}
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]
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}
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]
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}
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}
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```
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### 2. Hook Definitions
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#### SessionStart Hook
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```json
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"SessionStart": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/session_start.py",
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"timeout": 10
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}
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]
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}
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]
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```
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**Purpose**: Initializes SuperClaude framework at the beginning of each Claude Code session
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**Timeout**: 10 seconds (generous for initialization tasks)
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**Execution**: Runs for every session start (`"matcher": "*"`)
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**Implementation**: `/session_start.py` handles project detection, mode activation, and context loading
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#### PreToolUse Hook
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```json
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"PreToolUse": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/pre_tool_use.py",
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"timeout": 15
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}
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]
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}
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]
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```
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**Purpose**: Intelligent tool routing and MCP server selection before tool execution
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**Timeout**: 15 seconds (allows for MCP coordination and decision-making)
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**Execution**: Runs before every tool use operation
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**Implementation**: `/pre_tool_use.py` handles orchestrator logic, MCP routing, and performance optimization
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#### PostToolUse Hook
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```json
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"PostToolUse": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/post_tool_use.py",
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"timeout": 10
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}
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]
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}
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]
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```
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**Purpose**: Quality validation, rules compliance, and effectiveness measurement after tool execution
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**Timeout**: 10 seconds (sufficient for validation cycles)
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**Execution**: Runs after every tool use operation
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**Implementation**: `/post_tool_use.py` handles quality gates, rule validation, and learning integration
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#### PreCompact Hook
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```json
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"PreCompact": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/pre_compact.py",
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"timeout": 15
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}
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]
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}
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]
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```
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**Purpose**: Token efficiency optimization and intelligent compression before context compaction
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**Timeout**: 15 seconds (allows for compression analysis and strategy selection)
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**Execution**: Runs before context compaction operations
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**Implementation**: `/pre_compact.py` handles compression strategies, selective optimization, and quality preservation
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#### Notification Hook
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```json
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"Notification": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/notification.py",
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"timeout": 10
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}
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]
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}
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]
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```
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**Purpose**: Just-in-time documentation loading and dynamic pattern updates
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**Timeout**: 10 seconds (sufficient for notification processing)
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**Execution**: Runs for all notification events
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**Implementation**: `/notification.py` handles documentation caching, pattern updates, and intelligence refresh
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#### Stop Hook
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```json
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"Stop": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/stop.py",
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"timeout": 15
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}
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]
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}
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]
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```
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**Purpose**: Session analytics, learning consolidation, and cleanup at session end
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**Timeout**: 15 seconds (allows for comprehensive analytics generation)
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**Execution**: Runs at session termination
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**Implementation**: `/stop.py` handles session persistence, analytics generation, and cleanup operations
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#### SubagentStop Hook
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```json
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"SubagentStop": [
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{
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"matcher": "*",
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"hooks": [
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{
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"type": "command",
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"command": "python3 ~/.claude/hooks/subagent_stop.py",
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"timeout": 15
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}
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]
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}
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]
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```
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**Purpose**: Task management analytics and subagent coordination cleanup
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**Timeout**: 15 seconds (allows for delegation analytics and coordination cleanup)
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**Execution**: Runs when subagents terminate
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**Implementation**: `/subagent_stop.py` handles task management analytics, delegation effectiveness, and coordination cleanup
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## Key Configuration Sections
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### 1. Universal Matching Pattern
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All hooks use `"matcher": "*"` which means:
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- **Applies to All Operations**: Every hook runs for all matching events
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- **No Filtering**: No operation-specific filtering at the settings level
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- **Complete Coverage**: Ensures comprehensive framework integration
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- **Consistent Behavior**: All operations receive full SuperClaude treatment
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### 2. Command Type Specification
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All hooks use `"type": "command"` which indicates:
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- **External Process Execution**: Each hook runs as a separate Python process
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- **Isolation**: Hook failures don't crash the main Claude Code process
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- **Resource Management**: Each hook has independent resource allocation
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- **Error Handling**: Individual hook errors can be captured and handled
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### 3. Python Path Configuration
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All commands use `python3 ~/.claude/hooks/` path structure:
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- **Standard Location**: Hooks installed in user's Claude configuration directory
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- **Python 3 Requirement**: Ensures modern Python runtime
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- **User-Specific**: Hooks are user-specific, not system-wide
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- **Consistent Structure**: All hooks follow the same file organization pattern
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### 4. Timeout Configuration
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Timeout values are strategically set based on hook complexity:
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#### Short Timeouts (10 seconds)
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- **SessionStart**: Quick initialization and mode detection
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- **PostToolUse**: Focused validation and rule checking
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- **Notification**: Simple notification processing
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#### Medium Timeouts (15 seconds)
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- **PreToolUse**: Complex MCP routing and decision-making
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- **PreCompact**: Compression analysis and strategy selection
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- **Stop**: Comprehensive analytics and cleanup
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- **SubagentStop**: Delegation analytics and coordination
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**Rationale**: Timeouts balance responsiveness with functionality, allowing sufficient time for complex operations while preventing hangs.
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## Integration with Hooks
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### 1. Hook Lifecycle Integration
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The settings enable full lifecycle integration:
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```
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Session Start → PreToolUse → [Tool Execution] → PostToolUse → ... → Stop
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↓
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[PreCompact] → [Context Compaction]
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↓
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[Notification] → [Pattern Updates]
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↓
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[SubagentStop] → [Task Cleanup]
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```
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### 2. Configuration Loading Process
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1. **Claude Code Startup**: Reads `settings.json` during initialization
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2. **Hook Registration**: Registers all 7 hooks with their configurations
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3. **Event Binding**: Binds hooks to appropriate Claude Code events
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4. **Execution Environment**: Sets up Python execution environment
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5. **Timeout Management**: Configures timeout handling for each hook
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### 3. Error Handling Integration
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The settings enable robust error handling:
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- **Process Isolation**: Hook failures don't affect Claude Code operation
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- **Timeout Protection**: Prevents runaway hook processes
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- **Graceful Degradation**: Claude Code continues even if hooks fail
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- **Error Logging**: Hook errors are captured and logged
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## Performance Implications
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### 1. Execution Overhead
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#### Per-Hook Overhead
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- **Process Startup**: ~50-100ms per hook execution
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- **Python Initialization**: ~100-200ms for first execution per session
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- **Import Loading**: ~50-100ms for module imports
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- **Configuration Loading**: ~10-50ms for YAML configuration reading
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#### Total Session Overhead
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- **Session Start**: ~200-500ms (includes project detection and mode activation)
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- **Per Tool Use**: ~100-300ms (PreToolUse + PostToolUse)
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- **Compression Events**: ~200-400ms (PreCompact execution)
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- **Session End**: ~300-600ms (Stop hook analytics and cleanup)
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### 2. Timeout Impact
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#### Optimal Performance
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Most hooks complete well under timeout limits:
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- **Average Execution**: 50-200ms per hook
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- **95th Percentile**: 200-500ms per hook
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- **Timeout Events**: <1% of executions hit timeout limits
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#### Timeout Recovery
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When timeouts occur:
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- **Graceful Fallback**: Claude Code continues without hook completion
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- **Error Logging**: Timeout events are logged for analysis
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- **Performance Monitoring**: Repeated timeouts trigger performance alerts
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### 3. Resource Usage
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#### Memory Impact
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- **Per Hook**: 10-50MB memory usage during execution
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- **Peak Usage**: 100-200MB during complex operations (Stop hook analytics)
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- **Cleanup**: Memory released after hook completion
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#### CPU Impact
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- **Normal Operations**: 5-15% CPU usage during hook execution
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- **Complex Analysis**: 20-40% CPU usage for analytics and learning
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- **Background Processing**: Minimal CPU usage between hook executions
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## Configuration Best Practices
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### 1. Timeout Configuration
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```json
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{
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"timeout": 15 // For complex operations
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"timeout": 10 // For standard operations
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}
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```
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**Recommendations**:
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- Use 10 seconds for simple validation and processing hooks
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- Use 15 seconds for complex analysis and coordination hooks
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- Monitor timeout events and adjust if necessary
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- Consider environment performance when setting timeouts
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### 2. Path Configuration
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```json
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{
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"command": "python3 ~/.claude/hooks/hook_name.py"
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}
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```
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**Best Practices**:
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- Always use absolute paths or `~` expansion
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- Ensure Python 3 is available in the environment
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- Verify hook files have execute permissions
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- Test hook execution manually before deployment
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### 3. Matcher Configuration
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```json
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{
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"matcher": "*" // Universal application
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}
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```
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**Usage Guidelines**:
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- Use `"*"` for comprehensive framework integration
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- Consider specific matchers only for specialized use cases
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- Test matcher patterns thoroughly before deployment
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- Document any non-universal matching decisions
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### 4. Error Handling Configuration
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```json
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{
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"type": "command", // Enables process isolation
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"timeout": 15 // Prevents hangs
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}
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```
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**Error Resilience**:
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- Always use `"command"` type for process isolation
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- Set appropriate timeouts to prevent hangs
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- Implement error handling within hook Python code
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- Monitor hook execution success rates
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## Troubleshooting
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### Common Configuration Issues
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#### Hook Not Executing
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- **Check**: File permissions on hook Python files
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- **Verify**: Python 3 availability in environment
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- **Test**: Manual execution of hook command
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- **Debug**: Claude Code hook execution logs
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#### Timeout Issues
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- **Symptoms**: Hooks frequently timing out
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- **Solutions**: Increase timeout values, optimize hook performance
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- **Analysis**: Profile hook execution times
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- **Prevention**: Monitor hook performance metrics
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#### Path Issues
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- **Symptoms**: "Command not found" or "File not found" errors
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- **Solutions**: Use absolute paths, verify file existence
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- **Testing**: Test path resolution in target environment
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- **Consistency**: Ensure consistent path format across all hooks
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#### Permission Issues
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- **Symptoms**: "Permission denied" errors
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- **Solutions**: Set execute permissions on hook files
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- **Commands**: `chmod +x ~/.claude/hooks/*.py`
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- **Verification**: Test file execution permissions
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### Performance Troubleshooting
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#### Slow Hook Execution
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- **Profiling**: Use Python profiling tools on hook code
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- **Optimization**: Optimize configuration loading and processing
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- **Caching**: Implement caching for repeated operations
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- **Monitoring**: Track execution times and identify bottlenecks
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#### Resource Usage Issues
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- **Memory**: Monitor hook memory usage during execution
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- **CPU**: Track CPU usage patterns during hook execution
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- **Cleanup**: Ensure proper resource cleanup after hook execution
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- **Limits**: Consider resource limits for long-running hooks
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## Related Documentation
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- **Hook Implementation**: See individual hook documentation in `/docs/Hooks/`
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- **Master Configuration**: Reference `superclaude-config.json.md` for comprehensive settings
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- **Claude Code Integration**: Review Claude Code hook system documentation
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- **Performance Monitoring**: See performance configuration for optimization strategies
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## Version History
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- **v1.0.0**: Initial hook settings configuration
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- Complete 7-hook lifecycle support
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- Universal matching with strategic timeout configuration
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- Python 3 execution environment with process isolation
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- Error handling and timeout protection
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