Add plugin system

src/config/loadConfig.js

@@ -44,6 +44,7 @@ function loadConfig(configPath = path.join(process.cwd(), 'config.yaml')) {
       darkMode: false
     },
     features: {},
+    pluginsDir: 'plugins',
     plugins: []
   };
 

src/config/loadPlugins.js

@@ -0,0 +1,24 @@
+const path = require('path');
+const fs = require('fs');
+
+function loadPlugins(config) {
+  const dir = path.resolve(process.cwd(), config.pluginsDir || 'plugins');
+  const names = Array.isArray(config.plugins) ? config.plugins : [];
+  const plugins = [];
+  for (const name of names) {
+    const file = path.join(dir, name.endsWith('.js') ? name : `${name}.js`);
+    if (fs.existsSync(file)) {
+      try {
+        const mod = require(file);
+        plugins.push(mod);
+      } catch (e) {
+        console.error(`Failed to load plugin ${name}:`, e);
+      }
+    } else {
+      console.warn(`Plugin not found: ${file}`);
+    }
+  }
+  return plugins;
+}
+
+module.exports = loadPlugins;