Initial commit: Telegram Management System

Full-stack web application for Telegram management
- Frontend: Vue 3 + Vben Admin
- Backend: NestJS
- Features: User management, group broadcast, statistics

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

marketing-agent/services/analytics/src/models/Event.js

@@ -0,0 +1,80 @@
+import mongoose from 'mongoose';
+
+const eventSchema = new mongoose.Schema({
+  // Multi-tenant support
+  tenantId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'Tenant',
+    required: true,
+    index: true
+  },
+    id: {
+        type: String,
+        required: true,
+        unique: true,
+        index: true
+    },
+    type: {
+        type: String,
+        required: true,
+        index: true
+    },
+    accountId: {
+        type: String,
+        required: true,
+        index: true
+    },
+    userId: {
+        type: String,
+        index: true
+    },
+    sessionId: {
+        type: String,
+        index: true
+    },
+    action: {
+        type: String,
+        required: true,
+        index: true
+    },
+    target: String,
+    value: Number,
+    metadata: {
+        type: Map,
+        of: mongoose.Schema.Types.Mixed
+    },
+    properties: {
+        type: Map,
+        of: mongoose.Schema.Types.Mixed
+    },
+    timestamp: {
+        type: Date,
+        required: true,
+        index: true
+    }
+}, {
+    timestamps: true,
+    timeseries: {
+        timeField: 'timestamp',
+        metaField: 'metadata',
+        granularity: 'seconds'
+    }
+});
+
+// Compound indexes for common queries
+eventSchema.index({ accountId: 1, timestamp: -1 });
+eventSchema.index({ accountId: 1, type: 1, timestamp: -1 });
+eventSchema.index({ accountId: 1, userId: 1, timestamp: -1 });
+eventSchema.index({ type: 1, action: 1, timestamp: -1 });
+
+// TTL index to auto-delete old events after 1 year
+eventSchema.index({ timestamp: 1 }, { expireAfterSeconds: 31536000 });
+
+// Multi-tenant indexes
+eventSchema.index({ tenantId: 1,  accountId: 1, timestamp: -1  });
+eventSchema.index({ tenantId: 1,  accountId: 1, type: 1, timestamp: -1  });
+eventSchema.index({ tenantId: 1,  accountId: 1, userId: 1, timestamp: -1  });
+eventSchema.index({ tenantId: 1,  type: 1, action: 1, timestamp: -1  });
+eventSchema.index({ tenantId: 1,  timestamp: 1  }, { expireAfterSeconds: 31536000 });
+
+export const Event = mongoose.model('Event', eventSchema);