feat: Implement type casting for channel states and events, refine Shelly device online/offline logic, and improve event handling on server startup.

rule_engine.js

@@ -56,20 +56,36 @@ export async function loadRules() {
     console.log(`Loaded ${rules.length} rule(s)`);
 }
 
+/**
+ * Cast string value to proper type based on channel type
+ */
+function castValue(value, type) {
+    if (value === null || value === undefined) return null;
+    switch (type) {
+        case 'boolean':
+            return value === 'true' || value === true;
+        case 'range':
+            return parseInt(value, 10);
+        case 'enum':
+        default:
+            return value;
+    }
+}
+
 /**
  * Get current state of a channel
  */
 function getChannelState(mac, component, field) {
     return new Promise((resolve, reject) => {
         db.get(
-            `SELECT e.event FROM events e 
+            `SELECT e.event, c.type FROM events e 
              JOIN channels c ON e.channel_id = c.id 
              WHERE c.mac = ? AND c.component = ? AND c.field = ?
              ORDER BY e.id DESC LIMIT 1`,
             [mac, component, field],
             (err, row) => {
                 if (err) reject(err);
-                else resolve(row ? row.event : null);
+                else resolve(row ? castValue(row.event, row.type) : null);
             }
         );
     });
@@ -137,7 +153,9 @@ function createContext(triggerEvent) {
  * Run all rules after an event occurs
  */
 export async function runRules(mac, component, field, type, event) {
-    const triggerEvent = { mac, component, field, type, event };
+    // Cast event value to proper type
+    const typedEvent = castValue(event, type);
+    const triggerEvent = { mac, component, field, type, event: typedEvent };
     const ctx = createContext(triggerEvent);
 
     for (const rule of rules) {