feat(release): v1.14.0 discovery and conf pages

nodejs/services/webhook_emitter.js

@@ -0,0 +1,35 @@
+const { Webhook } = require('../models/webhook');
+const crypto = require('crypto');
+const fetch = require('node-fetch');
+
+class WebhookEmitter {
+  static async emit(event, payload) {
+    try {
+      const hooks = await Webhook.list({ where: { isActive: true } });
+      const matched = hooks.filter(h => !h.events || h.events.length === 0 || h.events.includes(event));
+      
+      for (const hook of matched) {
+        this.sendPayload(hook, event, payload).catch(err => console.error(`Webhook ${hook.name} failed:`, err.message));
+      }
+    } catch (e) {
+      console.error('Error emitting webhook:', e);
+    }
+  }
+
+  static async sendPayload(hook, event, payload) {
+    const body = JSON.stringify({ event, payload, timestamp: Date.now() });
+    const headers = { 'Content-Type': 'application/json' };
+    
+    if (hook.secret) {
+      const signature = crypto.createHmac('sha256', hook.secret).update(body).digest('hex');
+      headers['X-Theta-Signature'] = signature;
+    }
+
+    const res = await fetch(hook.url, { method: 'POST', body, headers, timeout: 5000 });
+    if (!res.ok) {
+      throw new Error(`Status ${res.status}`);
+    }
+  }
+}
+
+module.exports = { WebhookEmitter };