feat: blobs fetch

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/stores/entitiesStore.ts

@@ -8,6 +8,7 @@ import { entityService } from '../services'
 import { EntityObject, MessageObject } from '../models'
 import type {
   EntityBlobSelector,
+  EntityBlobsResponse,
   EntityDownloadRequest,
   EntityTransmitRequest,
   EntityTransmitResponse,
@@ -508,6 +509,21 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
     }
   }
 
+  /**
+   * Fetch one or more message parts (attachments) inline as Blobs, for preview.
+   */
+  async function blobs(
+    target: EntityIdentifier,
+    parts: EntityBlobSelector[],
+  ): Promise<EntityBlobsResponse> {
+    try {
+      return await entityService.blobs({ target, parts })
+    } catch (error: any) {
+      console.error('[Mail Manager][Store] - Failed to fetch attachment blobs:', error)
+      throw error
+    }
+  }
+
   // Return public API
   return {
     // State (readonly)
@@ -530,5 +546,6 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
     move,
     transmit,
     download,
+    blobs,
   }
 })