feat(ops/monitoring): add in-memory log buffer, metrics time-series and ops UI integration

ts/opsserver/handlers/logs.handler.ts

@@ -1,6 +1,7 @@
 import * as plugins from '../../plugins.js';
 import type { OpsServer } from '../classes.opsserver.js';
 import * as interfaces from '../../../ts_interfaces/index.js';
+import { logBuffer } from '../../logger.js';
 
 export class LogsHandler {
   public typedrouter = new plugins.typedrequest.TypedRouter();
@@ -64,6 +65,32 @@ export class LogsHandler {
     );
   }
   
+  private static mapLogLevel(smartlogLevel: string): 'debug' | 'info' | 'warn' | 'error' {
+    switch (smartlogLevel) {
+      case 'silly':
+      case 'debug':
+        return 'debug';
+      case 'warn':
+        return 'warn';
+      case 'error':
+        return 'error';
+      default:
+        return 'info';
+    }
+  }
+
+  private static deriveCategory(
+    zone?: string,
+    message?: string
+  ): 'smtp' | 'dns' | 'security' | 'system' | 'email' {
+    const msg = (message || '').toLowerCase();
+    if (msg.includes('[security:') || msg.includes('security')) return 'security';
+    if (zone === 'email' || msg.includes('email') || msg.includes('smtp') || msg.includes('mta')) return 'email';
+    if (zone === 'dns' || msg.includes('dns')) return 'dns';
+    if (msg.includes('smtp')) return 'smtp';
+    return 'system';
+  }
+
   private async getRecentLogs(
     level?: 'error' | 'warn' | 'info' | 'debug',
     category?: 'smtp' | 'dns' | 'security' | 'system' | 'email',
@@ -78,42 +105,64 @@ export class LogsHandler {
     message: string;
     metadata?: any;
   }>> {
-    // TODO: Implement actual log retrieval from storage or logger
-    // For now, return mock data
-    const mockLogs: Array<{
+    // Compute a timestamp cutoff from timeRange
+    let since: number | undefined;
+    if (timeRange) {
+      const rangeMs: Record<string, number> = {
+        '1h': 3600000,
+        '6h': 21600000,
+        '24h': 86400000,
+        '7d': 604800000,
+        '30d': 2592000000,
+      };
+      since = Date.now() - (rangeMs[timeRange] || 86400000);
+    }
+
+    // Map the UI level to smartlog levels for filtering
+    const smartlogLevels: string[] | undefined = level
+      ? level === 'debug'
+        ? ['debug', 'silly']
+        : level === 'info'
+          ? ['info', 'ok', 'success', 'note', 'lifecycle']
+          : [level]
+      : undefined;
+
+    // Fetch a larger batch from buffer, then apply category filter client-side
+    const rawEntries = logBuffer.getEntries({
+      level: smartlogLevels as any,
+      search,
+      since,
+      limit: limit * 3, // over-fetch to compensate for category filtering
+      offset: 0,
+    });
+
+    // Map ILogPackage → UI log format and apply category filter
+    const mapped: Array<{
       timestamp: number;
       level: 'debug' | 'info' | 'warn' | 'error';
       category: 'smtp' | 'dns' | 'security' | 'system' | 'email';
       message: string;
       metadata?: any;
     }> = [];
-    
-    const categories: Array<'smtp' | 'dns' | 'security' | 'system' | 'email'> = ['smtp', 'dns', 'security', 'system', 'email'];
-    const levels: Array<'debug' | 'info' | 'warn' | 'error'> = ['info', 'warn', 'error', 'debug'];
-    const now = Date.now();
-    
-    // Generate some mock log entries
-    for (let i = 0; i < 50; i++) {
-      const mockCategory = categories[Math.floor(Math.random() * categories.length)];
-      const mockLevel = levels[Math.floor(Math.random() * levels.length)];
-      
-      // Filter by requested criteria
-      if (level && mockLevel !== level) continue;
-      if (category && mockCategory !== category) continue;
-      
-      mockLogs.push({
-        timestamp: now - (i * 60000), // 1 minute apart
-        level: mockLevel,
-        category: mockCategory,
-        message: `Sample log message ${i} from ${mockCategory}`,
-        metadata: {
-          requestId: plugins.uuid.v4(),
-        },
+
+    for (const pkg of rawEntries) {
+      const uiLevel = LogsHandler.mapLogLevel(pkg.level);
+      const uiCategory = LogsHandler.deriveCategory(pkg.context?.zone, pkg.message);
+
+      if (category && uiCategory !== category) continue;
+
+      mapped.push({
+        timestamp: pkg.timestamp,
+        level: uiLevel,
+        category: uiCategory,
+        message: pkg.message,
+        metadata: pkg.data,
       });
+
+      if (mapped.length >= limit) break;
     }
-    
-    // Apply pagination
-    return mockLogs.slice(offset, offset + limit);
+
+    return mapped;
   }
   
   private setupLogStream(