📝 docs: Add documentation

docs/admin/logs/subscribe-traffic.md

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+<div v-pre>
+
+# Subscribe Traffic Log
+
+View daily traffic usage statistics for user subscriptions with detailed traffic consumption breakdown.
+
+## Table Column Description
+
+### User
+User consuming traffic (clickable for details).
+
+### Subscribe
+Associated subscription ID (clickable for details, hover for card).
+
+### Upload
+Daily upload traffic, auto-converts units (B/KB/MB/GB/TB).
+
+### Download
+Daily download traffic, auto-converts units.
+
+### Total
+Daily total traffic (upload + download).
+
+### Date
+Traffic statistics date.
+
+## Table Operations
+
+### View Detail
+Click "Detail" button to jump to detailed traffic records page:
+- View detailed traffic for that date and subscription
+- Grouped by nodes
+- Aggregated by servers
+
+## Filter Functions
+
+### Date Filter
+Select date to view traffic records, defaults to today.
+
+### User ID Filter
+Input user ID to view that user's traffic records.
+
+### Subscribe ID Filter
+Input subscription ID to view that subscription's traffic records.
+
+## Usage Scenarios
+
+### Scenario 1: View Today's Traffic
+
+1. Shows today's traffic records by default
+2. View total traffic consumption
+3. Identify high-traffic users
+4. Analyze traffic trends
+
+### Scenario 2: Track User Traffic
+
+**View User Usage**:
+1. Filter by user ID
+2. View all subscription traffic
+3. Analyze usage habits
+4. Predict traffic needs
+
+### Scenario 3: Investigate Traffic Anomalies
+
+**Check Abnormal Consumption**:
+1. Browse traffic records
+2. Focus on unusually high traffic
+3. Click "Detail" for breakdown
+4. Analyze traffic distribution by node
+5. Check for abuse
+
+### Scenario 4: Traffic Statistics Analysis
+
+**Generate Reports**:
+1. Select date range
+2. Export traffic data
+3. Analyze traffic peak times
+4. Optimize node resource allocation
+
+## Traffic Detail Page
+
+After clicking "Detail" shows:
+
+### Node Traffic Breakdown
+- Traffic consumption per node
+- Upload/download separately counted
+- Connection duration records
+
+### Server Traffic Statistics
+- Total traffic per server
+- Traffic proportion analysis
+- Load situation assessment
+
+## Traffic Monitoring
+
+### Abnormal Patterns
+Watch for:
+- Sudden daily traffic surge
+- Traffic far exceeding plan limit
+- High traffic in unusual time periods
+- Single node excessive traffic
+
+### Handling Measures
+When anomalies detected:
+1. View traffic details
+2. Confirm if abuse
+3. Throttle or suspend subscription
+4. Notify user for verification
+
+## Important Notes
+
+1. **Log Retention**: Retention time per system config
+2. **Unit Conversion**: Auto-converts to readable units
+3. **Subscription Association**: Can cross-query user's multiple subscriptions
+4. **Detail Jump**: Click detail for node-level breakdown
+5. **Real-time**: Traffic data may have delay
+6. **Total Accuracy**: Total includes upload and download
+7. **Regular Analysis**: Recommended weekly traffic trend analysis
+
+</div>