Hookd Relay: Express server bridging extension to Horus AI agents
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Horus AI
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// Hookd Relay — AI processing bridge between Chrome extension and Horus agents
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const express = require('express');
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const cors = require('cors');
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const fs = require('fs');
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const path = require('path');
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const app = express();
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app.use(cors());
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app.use(express.json({ limit: '10mb' }));
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const ITEMS_FILE = '/root/.openclaw/workspace/chrome-extensions/hookd/hookd-items.json';
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const RELAY_PORT = 4321;
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// Categories for AI classification
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const CATEGORIES = ['AI', 'News', 'Ideas', 'Memes', 'Other'];
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// Simple keyword-based classifier (fallback when no LLM available)
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function classifyWithKeywords(text) {
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const lower = text.toLowerCase();
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if (/ai|gpt|llm|model|changelog|gpu|cuda|neural|openai|anthropic|gemini|claude|chatbot/.test(lower)) return 'AI';
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if (/news|breaking|launch|report|announced|released|updated|version|update/.test(lower)) return 'News';
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if (/idea|concept|thought|what if|imagine|inspiration| brainstorm/.test(lower)) return 'Ideas';
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if (/meme|lmao|lol|funny|rofl|comedy|😂|wtf|brokie/.test(lower)) return 'Memes';
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return 'Other';
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}
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// Score relevance 1-10 based on keywords and engagement signals
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function scoreRelevance(text, item) {
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let score = 5;
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const lower = text.toLowerCase();
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if (/important|breaking|urgent|alert/.test(lower)) score += 2;
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if (/tutorial|guide|how to|explained/.test(lower)) score += 1;
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if (/deal|discount|free|offer|save/.test(lower)) score += 1;
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if (item.type === 'dm') score += 1;
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return Math.min(10, score);
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}
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// --- Routes ---
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// Health / status
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app.get('/status', (req, res) => {
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res.json({ ok: true, relay: 'hookd', timestamp: new Date().toISOString() });
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});
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// Get all items (for Horus agents)
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app.get('/items', (req, res) => {
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try {
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if (!fs.existsSync(ITEMS_FILE)) return res.json({ items: [] });
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const raw = fs.readFileSync(ITEMS_FILE, 'utf8');
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res.json({ items: JSON.parse(raw) });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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// Save items from extension
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app.post('/items', (req, res) => {
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try {
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let existing = [];
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if (fs.existsSync(ITEMS_FILE)) {
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existing = JSON.parse(fs.readFileSync(ITEMS_FILE, 'utf8'));
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}
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const newItems = req.body.items || [];
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newItems.forEach(item => {
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item.id = item.id || Date.now();
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item.saved = true;
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item.time = item.time || new Date().toISOString();
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existing.unshift(item);
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});
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fs.writeFileSync(ITEMS_FILE, JSON.stringify(existing, null, 2));
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res.json({ success: true, count: newItems.length, total: existing.length });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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// Process items with AI (keyword-based + hook into Horus if available)
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app.post('/process', async (req, res) => {
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try {
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const { items } = req.body;
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if (!items || !Array.isArray(items)) return res.status(400).json({ error: 'items array required' });
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const results = [];
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// Try to call Horus agent for AI analysis
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let agentAnalysis = null;
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try {
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// Call Horus via local Hermes CLI
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const { execSync } = require('child_process');
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const content = items.map(i => `[${i.id}] @${i.author}: ${i.content || ''}`).join('\n');
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const analysis = execSync(
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`cd /root/.hermes && echo '${content.replace(/'/g, "'\\''")}' | timeout 20 hermes --model claude-sonnet-4 --no-stream "Analyze these X posts and for each one respond with ONLY valid JSON: {id, score(1-10), category(AI/News/Ideas/Memes/Other), summary, tags}. Items: ${content}" 2>/dev/null`,
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{ timeout: 25000 }
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).toString();
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agentAnalysis = JSON.parse(analysis);
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} catch {
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// Agent not available or parse failed — fall back to keywords
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}
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items.forEach(item => {
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const text = `${item.content || ''} ${item.author || ''}`;
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let result;
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if (agentAnalysis && agentAnalysis.find(a => a.id === item.id)) {
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result = agentAnalysis.find(a => a.id === item.id);
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} else {
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const category = classifyWithKeywords(text);
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const score = scoreRelevance(text, item);
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result = {
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id: item.id,
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category,
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score,
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summary: text.slice(0, 80) + '...',
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tags: [category, score >= 7 ? 'high-value' : 'normal']
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};
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}
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results.push(result);
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});
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// Also save processed items to hookd-items.json
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if (fs.existsSync(ITEMS_FILE)) {
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const stored = JSON.parse(fs.readFileSync(ITEMS_FILE, 'utf8'));
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const updated = stored.map(item => {
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const processed = results.find(r => r.id === item.id);
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if (processed) {
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return { ...item, aiProcessed: true, ...processed };
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}
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return item;
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});
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fs.writeFileSync(ITEMS_FILE, JSON.stringify(updated, null, 2));
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}
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res.json({ success: true, results });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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// Delete items
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app.delete('/items', (req, res) => {
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try {
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const { ids } = req.body;
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if (!fs.existsSync(ITEMS_FILE)) return res.json({ success: true, deleted: 0 });
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let items = JSON.parse(fs.readFileSync(ITEMS_FILE, 'utf8'));
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const before = items.length;
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items = items.filter(i => !ids.includes(String(i.id)));
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fs.writeFileSync(ITEMS_FILE, JSON.stringify(items, null, 2));
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res.json({ success: true, deleted: before - items.length });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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// Export items as JSON (for download)
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app.get('/export', (req, res) => {
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try {
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if (!fs.existsSync(ITEMS_FILE)) return res.json({ items: [] });
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const items = JSON.parse(fs.readFileSync(ITEMS_FILE, 'utf8'));
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res.setHeader('Content-Disposition', 'attachment; filename=hookd-export.json');
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res.json({ items });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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app.listen(RELAY_PORT, '127.0.0.1', () => {
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console.log(`Hookd Relay running on http://127.0.0.1:${RELAY_PORT}`);
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});
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