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Zhongwei Li
231
hooks/user-prompt-submit/10-skill-activator.js
Executable file
231
hooks/user-prompt-submit/10-skill-activator.js
Executable file
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#!/usr/bin/env node
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const fs = require('fs');
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const path = require('path');
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// Configuration
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const CONFIG = {
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rulesPath: path.join(__dirname, '..', 'skill-rules.json'),
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maxSkills: 3, // Limit to top 3 to avoid context overload
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debugMode: process.env.DEBUG_HOOKS === 'true'
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};
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// Load skill rules from skill-rules.json
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function loadRules() {
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try {
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const content = fs.readFileSync(CONFIG.rulesPath, 'utf8');
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const data = JSON.parse(content);
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// Filter out _comment and _schema meta keys
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const rules = {};
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for (const [key, value] of Object.entries(data)) {
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if (!key.startsWith('_')) {
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rules[key] = value;
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}
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}
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return rules;
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} catch (error) {
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if (CONFIG.debugMode) {
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console.error('Failed to load skill rules:', error.message);
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}
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return {};
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}
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}
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// Read prompt from stdin (Claude passes { "text": "..." })
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function readPrompt() {
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return new Promise((resolve) => {
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let data = '';
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process.stdin.on('data', chunk => data += chunk);
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process.stdin.on('end', () => {
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try {
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resolve(JSON.parse(data));
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} catch (error) {
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if (CONFIG.debugMode) {
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console.error('Failed to parse prompt:', error.message);
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}
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resolve({ text: '' });
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}
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});
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});
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}
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// Analyze prompt for skill matches
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function analyzePrompt(promptText, rules) {
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const lowerText = promptText.toLowerCase();
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const activated = [];
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for (const [skillName, config] of Object.entries(rules)) {
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let matched = false;
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let matchReason = '';
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// Check keyword triggers (case-insensitive substring matching)
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if (config.promptTriggers?.keywords) {
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for (const keyword of config.promptTriggers.keywords) {
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if (lowerText.includes(keyword.toLowerCase())) {
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matched = true;
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matchReason = `keyword: "${keyword}"`;
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break;
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}
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}
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}
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// Check intent pattern triggers (regex matching)
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if (!matched && config.promptTriggers?.intentPatterns) {
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for (const pattern of config.promptTriggers.intentPatterns) {
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try {
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if (new RegExp(pattern, 'i').test(promptText)) {
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matched = true;
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matchReason = `intent pattern: "${pattern}"`;
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break;
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}
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} catch (error) {
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if (CONFIG.debugMode) {
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console.error(`Invalid pattern "${pattern}":`, error.message);
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}
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}
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}
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}
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if (matched) {
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activated.push({
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skill: skillName,
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priority: config.priority || 'medium',
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reason: matchReason,
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type: config.type || 'workflow'
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});
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}
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}
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// Sort by priority (critical > high > medium > low)
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const priorityOrder = { critical: 0, high: 1, medium: 2, low: 3 };
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activated.sort((a, b) => {
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const priorityDiff = priorityOrder[a.priority] - priorityOrder[b.priority];
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if (priorityDiff !== 0) return priorityDiff;
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// Secondary sort: process types before domain/workflow types
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const typeOrder = { process: 0, domain: 1, workflow: 2 };
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return (typeOrder[a.type] || 2) - (typeOrder[b.type] || 2);
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});
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// Limit to max skills
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return activated.slice(0, CONFIG.maxSkills);
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}
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// Generate activation context message
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function generateContext(skills) {
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if (skills.length === 0) {
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return null;
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}
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const hasSkills = skills.some(s => s.type !== 'agent');
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const hasAgents = skills.some(s => s.type === 'agent');
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const lines = [
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'',
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'━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━',
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'🎯 SKILL/AGENT ACTIVATION CHECK',
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'━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━',
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''
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];
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// Display skills
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const skillItems = skills.filter(s => s.type !== 'agent');
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if (skillItems.length > 0) {
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lines.push('Relevant skills for this prompt:');
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lines.push('');
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for (const skill of skillItems) {
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const emoji = skill.priority === 'critical' ? '🔴' :
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skill.priority === 'high' ? '⭐' :
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skill.priority === 'medium' ? '📌' : '💡';
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lines.push(`${emoji} **${skill.skill}** (${skill.priority} priority, ${skill.type})`);
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if (CONFIG.debugMode) {
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lines.push(` Matched: ${skill.reason}`);
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}
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}
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lines.push('');
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}
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// Display agents
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const agentItems = skills.filter(s => s.type === 'agent');
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if (agentItems.length > 0) {
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lines.push('Relevant agents for this prompt:');
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lines.push('');
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for (const agent of agentItems) {
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const emoji = agent.priority === 'critical' ? '🔴' :
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agent.priority === 'high' ? '⭐' :
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agent.priority === 'medium' ? '💾' : '🤖';
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lines.push(`${emoji} **hyperpowers:${agent.skill}** (${agent.priority} priority)`);
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if (CONFIG.debugMode) {
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lines.push(` Matched: ${agent.reason}`);
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}
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}
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lines.push('');
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}
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// Activation instructions
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if (hasSkills) {
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lines.push('Use the Skill tool for skills: `Skill command="hyperpowers:<skill-name>"`');
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}
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if (hasAgents) {
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lines.push('Use the Task tool for agents: `Task(subagent_type="hyperpowers:<agent-name>", ...)`');
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lines.push('Example: `Task(subagent_type="hyperpowers:test-runner", prompt="Run: git commit...", ...)`');
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}
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lines.push('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
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lines.push('');
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return lines.join('\n');
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}
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// Main execution
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async function main() {
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try {
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// Load rules
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const rules = loadRules();
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if (Object.keys(rules).length === 0) {
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if (CONFIG.debugMode) {
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console.error('No rules loaded');
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}
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console.log(JSON.stringify({}));
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return;
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}
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// Read prompt
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const prompt = await readPrompt();
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if (!prompt.text || prompt.text.trim() === '') {
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console.log(JSON.stringify({}));
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return;
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}
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// Analyze prompt
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const activatedSkills = analyzePrompt(prompt.text, rules);
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// Generate response
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if (activatedSkills.length > 0) {
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const context = generateContext(activatedSkills);
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if (CONFIG.debugMode) {
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console.error('Activated skills:', activatedSkills.map(s => s.skill).join(', '));
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}
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console.log(JSON.stringify({
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additionalContext: context
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}));
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} else {
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if (CONFIG.debugMode) {
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console.error('No skills activated');
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}
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console.log(JSON.stringify({}));
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}
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} catch (error) {
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if (CONFIG.debugMode) {
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console.error('Hook error:', error.message, error.stack);
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}
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// Always return empty response on error - never block user
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console.log(JSON.stringify({}));
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}
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}
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main();
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56
hooks/user-prompt-submit/test-hook.sh
Executable file
56
hooks/user-prompt-submit/test-hook.sh
Executable file
@@ -0,0 +1,56 @@
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#!/bin/bash
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set -e
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echo "=== Testing Skill Activator Hook ==="
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echo ""
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test_prompt() {
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local prompt="$1"
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local expected_skills="$2"
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echo "Test: $prompt"
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result=$(echo "{\"text\": \"$prompt\"}" | node hooks/user-prompt-submit/10-skill-activator.js)
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if echo "$result" | jq -e 'has("decision") | not' > /dev/null; then
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echo "✓ Returns valid response without decision field"
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else
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echo "✗ FAIL: Should not have decision field"
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return 1
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fi
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if echo "$result" | jq -e '.additionalContext' > /dev/null 2>&1; then
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activated=$(echo "$result" | jq -r '.additionalContext' | grep -o '\*\*[^*]\+\*\*' | sed 's/\*\*//g' | tr '\n' ' ' || true)
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echo " Activated: $activated"
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if [ -n "$expected_skills" ]; then
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for skill in $expected_skills; do
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if echo "$activated" | grep -q "$skill"; then
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echo " ✓ Expected skill activated: $skill"
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else
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echo " ✗ Missing expected skill: $skill"
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fi
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done
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fi
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else
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echo " No skills activated"
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fi
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echo ""
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}
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# Test 1: TDD prompt should activate test-driven-development
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test_prompt "I want to write a test for the login function" "test-driven-development"
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# Test 2: Debugging prompt should activate debugging-with-tools
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test_prompt "Help me debug this error in my code" "debugging-with-tools"
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# Test 3: Planning prompt should activate brainstorming
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test_prompt "I want to design a new authentication system" "brainstorming"
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# Test 4: Refactoring prompt should activate refactoring-safely
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test_prompt "Let's refactor this code to be cleaner" "refactoring-safely"
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# Test 5: Empty prompt should return response with no context and no decision field
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test_prompt "" ""
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echo "=== All Tests Complete ==="
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