diff --git a/packages/core-storage/src/pouch-db/services/pouch-envelope.service.ts b/packages/core-storage/src/pouch-db/services/pouch-envelope.service.ts
index 8ed0a59..8bb441f 100644
--- a/packages/core-storage/src/pouch-db/services/pouch-envelope.service.ts
+++ b/packages/core-storage/src/pouch-db/services/pouch-envelope.service.ts
@@ -52,16 +52,6 @@ export class PouchEnvelopeService<DefaultEntity extends object = any> extends Po
 
   // ─── Private Helpers ────────────────────────────────────────
 
-  /**
-   * Build a case-insensitive regex pattern for keyword search
-   * without relying on `$options` (which PouchDB doesn't support).
-   */
-  private toContainsRegex(keyword: string): string {
-    return keyword
-      .replace(/[.*+?^${}()|[\]\\]/g, '\\$&') // escape special regex chars
-      .replace(/[a-zA-Z]/g, (c) => `[${c.toLowerCase()}${c.toUpperCase()}]`); // case-insensitive
-  }
-
   private buildEnvelope(id: string, payload: Record<string, any>): Omit<CouchEnvelope, '_rev'> {
     return {
       _id: `${this.entity}:${id}`,
@@ -311,19 +301,4 @@ export class PouchEnvelopeService<DefaultEntity extends object = any> extends Po
       index: { fields, ...(name ? { name } : {}) },
     });
   }
-
-  /**
-   * List currently defined indexes. Useful for debugging with `explain()`.
-   */
-  async listIndexes(): Promise<PouchDB.Find.GetIndexesResponse<object>> {
-    return this.raw.getIndexes();
-  }
-
-  /**
-   * Explain how a given selector will be executed — shows which index (if any) is used.
-   * Returns `index.name === '_all_docs'` when the query falls back to a full scan.
-   */
-  async explain<T extends object = DefaultEntity>(options: PouchDB.Find.FindRequest<T>): Promise<any> {
-    return (this.raw as any).explain(options as PouchDB.Find.FindRequest<object>);
-  }
 }
diff --git a/packages/core-storage/src/pouch-db/services/pouch.service.ts b/packages/core-storage/src/pouch-db/services/pouch.service.ts
index 2e02175..befae20 100644
--- a/packages/core-storage/src/pouch-db/services/pouch.service.ts
+++ b/packages/core-storage/src/pouch-db/services/pouch.service.ts
@@ -88,6 +88,16 @@ export class PouchService<DefaultType extends object = any> {
     return this._status;
   }
 
+  /**
+   * Build a case-insensitive regex pattern for keyword search
+   * without relying on `$options` (which PouchDB doesn't support).
+   */
+  toContainsRegex(keyword: string): string {
+    return keyword
+      .replace(/[.*+?^${}()|[\]\\]/g, '\\$&') // escape special regex chars
+      .replace(/[a-zA-Z]/g, (c) => `[${c.toLowerCase()}${c.toUpperCase()}]`); // case-insensitive
+  }
+
   /** Turn sync ON for this DB. No-op if already connected or no remoteUrl configured. */
   connect(): void {
     this.startLiveSync();
@@ -294,4 +304,21 @@ export class PouchService<DefaultType extends object = any> {
       this.listeners.delete(callback);
     };
   }
+
+  // ─── New Methods (no base equivalent) ───────────────────────
+
+  /**
+   * List currently defined indexes. Useful for debugging with `explain()`.
+   */
+  async listIndexes(): Promise<PouchDB.Find.GetIndexesResponse<object>> {
+    return this.raw.getIndexes();
+  }
+
+  /**
+   * Explain how a given selector will be executed — shows which index (if any) is used.
+   * Returns `index.name === '_all_docs'` when the query falls back to a full scan.
+   */
+  async explain<T extends object = DefaultType>(options: PouchDB.Find.FindRequest<T>): Promise<any> {
+    return (this.raw as any).explain(options as PouchDB.Find.FindRequest<object>);
+  }
 }