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+# Hook Development Utility Scripts
+
+These scripts help validate, test, and lint hook implementations before deployment.
+
+## validate-hook-schema.sh
+
+Validates `hooks.json` configuration files for correct structure and common issues.
+
+**Usage:**
+```bash
+./validate-hook-schema.sh path/to/hooks.json
+```
+
+**Checks:**
+- Valid JSON syntax
+- Required fields present
+- Valid hook event names
+- Proper hook types (command/prompt)
+- Timeout values in valid ranges
+- Hardcoded path detection
+- Prompt hook event compatibility
+
+**Example:**
+```bash
+cd my-plugin
+./validate-hook-schema.sh hooks/hooks.json
+```
+
+## test-hook.sh
+
+Tests individual hook scripts with sample input before deploying to Claude Code.
+
+**Usage:**
+```bash
+./test-hook.sh [options] <hook-script> <test-input.json>
+```
+
+**Options:**
+- `-v, --verbose` - Show detailed execution information
+- `-t, --timeout N` - Set timeout in seconds (default: 60)
+- `--create-sample <event-type>` - Generate sample test input
+
+**Example:**
+```bash
+# Create sample test input
+./test-hook.sh --create-sample PreToolUse > test-input.json
+
+# Test a hook script
+./test-hook.sh my-hook.sh test-input.json
+
+# Test with verbose output and custom timeout
+./test-hook.sh -v -t 30 my-hook.sh test-input.json
+```
+
+**Features:**
+- Sets up proper environment variables (CLAUDE_PROJECT_DIR, CLAUDE_PLUGIN_ROOT)
+- Measures execution time
+- Validates output JSON
+- Shows exit codes and their meanings
+- Captures environment file output
+
+## hook-linter.sh
+
+Checks hook scripts for common issues and best practices violations.
+
+**Usage:**
+```bash
+./hook-linter.sh <hook-script.sh> [hook-script2.sh ...]
+```
+
+**Checks:**
+- Shebang presence
+- `set -euo pipefail` usage
+- Stdin input reading
+- Proper error handling
+- Variable quoting (injection prevention)
+- Exit code usage
+- Hardcoded paths
+- Long-running code detection
+- Error output to stderr
+- Input validation
+
+**Example:**
+```bash
+# Lint single script
+./hook-linter.sh ../examples/validate-write.sh
+
+# Lint multiple scripts
+./hook-linter.sh ../examples/*.sh
+```
+
+## Typical Workflow
+
+1. **Write your hook script**
+   ```bash
+   vim my-plugin/scripts/my-hook.sh
+   ```
+
+2. **Lint the script**
+   ```bash
+   ./hook-linter.sh my-plugin/scripts/my-hook.sh
+   ```
+
+3. **Create test input**
+   ```bash
+   ./test-hook.sh --create-sample PreToolUse > test-input.json
+   # Edit test-input.json as needed
+   ```
+
+4. **Test the hook**
+   ```bash
+   ./test-hook.sh -v my-plugin/scripts/my-hook.sh test-input.json
+   ```
+
+5. **Add to hooks.json**
+   ```bash
+   # Edit my-plugin/hooks/hooks.json
+   ```
+
+6. **Validate configuration**
+   ```bash
+   ./validate-hook-schema.sh my-plugin/hooks/hooks.json
+   ```
+
+7. **Test in Claude Code**
+   ```bash
+   claude --debug
+   ```
+
+## Tips
+
+- Always test hooks before deploying to avoid breaking user workflows
+- Use verbose mode (`-v`) to debug hook behavior
+- Check the linter output for security and best practice issues
+- Validate hooks.json after any changes
+- Create different test inputs for various scenarios (safe operations, dangerous operations, edge cases)
+
+## Common Issues
+
+### Hook doesn't execute
+
+Check:
+- Script has shebang (`#!/bin/bash`)
+- Script is executable (`chmod +x`)
+- Path in hooks.json is correct (use `${CLAUDE_PLUGIN_ROOT}`)
+
+### Hook times out
+
+- Reduce timeout in hooks.json
+- Optimize hook script performance
+- Remove long-running operations
+
+### Hook fails silently
+
+- Check exit codes (should be 0 or 2)
+- Ensure errors go to stderr (`>&2`)
+- Validate JSON output structure
+
+### Injection vulnerabilities
+
+- Always quote variables: `"$variable"`
+- Use `set -euo pipefail`
+- Validate all input fields
+- Run the linter to catch issues