feat(smartdb): add operation log APIs, point-in-time revert support, and a web-based debug dashboard

ts/ts_smartdb/server/SmartdbServer.ts

@@ -1,4 +1,13 @@
 import { RustDbBridge } from '../rust-db-bridge.js';
+import type {
+  IOpLogEntry,
+  IOpLogResult,
+  IOpLogStats,
+  IRevertResult,
+  ICollectionInfo,
+  IDocumentsResult,
+  ISmartDbMetrics,
+} from '../rust-db-bridge.js';
 
 /**
  * Server configuration options
@@ -156,4 +165,59 @@ export class SmartdbServer {
   get host(): string {
     return this.options.host ?? '127.0.0.1';
   }
+
+  // --- OpLog / Debug API ---
+
+  /**
+   * Get oplog entries, optionally filtered.
+   */
+  async getOpLog(params: {
+    sinceSeq?: number;
+    limit?: number;
+    db?: string;
+    collection?: string;
+  } = {}): Promise<IOpLogResult> {
+    return this.bridge.getOpLog(params);
+  }
+
+  /**
+   * Get aggregate oplog statistics.
+   */
+  async getOpLogStats(): Promise<IOpLogStats> {
+    return this.bridge.getOpLogStats();
+  }
+
+  /**
+   * Revert database state to a specific oplog sequence number.
+   * Use dryRun=true to preview which entries would be reverted.
+   */
+  async revertToSeq(seq: number, dryRun = false): Promise<IRevertResult> {
+    return this.bridge.revertToSeq(seq, dryRun);
+  }
+
+  /**
+   * List all collections across all databases, with document counts.
+   */
+  async getCollections(db?: string): Promise<ICollectionInfo[]> {
+    return this.bridge.getCollections(db);
+  }
+
+  /**
+   * Get documents from a collection with pagination.
+   */
+  async getDocuments(
+    db: string,
+    collection: string,
+    limit = 50,
+    skip = 0,
+  ): Promise<IDocumentsResult> {
+    return this.bridge.getDocuments(db, collection, limit, skip);
+  }
+
+  /**
+   * Get server metrics including database/collection counts and oplog info.
+   */
+  async getMetrics(): Promise<ISmartDbMetrics> {
+    return this.bridge.getMetrics();
+  }
 }