lib/Controllers/DefaultController.php

@@ -797,10 +797,10 @@ class DefaultController extends ControllerAbstract {
         if (!is_array($data['targets'])) {
             throw new InvalidArgumentException(self::ERR_INVALID_TARGETS);
         }
-        if (!isset($data['data'])) {
+        if (!isset($data['properties'])) {
             throw new InvalidArgumentException(self::ERR_MISSING_DATA);
         }
-        if (!is_array($data['data'])) {
+        if (!is_array($data['properties'])) {
             throw new InvalidArgumentException(self::ERR_INVALID_DATA);
         }
         
@@ -811,7 +811,7 @@ class DefaultController extends ControllerAbstract {
             }
         }
         
-        return $this->mailManager->entityPatch($tenantId, $userId, $targets, $data['data']);
+        return $this->mailManager->entityPatch($tenantId, $userId, $data['properties'], ...$targets->all());
     }
 
     private function entityMove(string $tenantId, string $userId, array $data): mixed {

src/models/message.ts

@@ -123,6 +123,11 @@ export class MessageObject implements MessageModelInterface {
         return clonePlain(this._data.flags ?? {});
     }
 
+    // this should be moved to a mutable object, but for now we can allow it here for convenience
+    set flags(value: { read?: boolean; flagged?: boolean; answered?: boolean; draft?: boolean }) {
+        this._data.flags = clonePlain(value);
+    }
+
     /** Helper methods */
 
     get isRead(): boolean {

src/services/entityService.ts

@@ -25,6 +25,8 @@ import type {
   EntityListStreamRequest,
   EntityListBulkResponse,
   EntityListBulkRequest,
+  EntityPatchResponse,
+  EntityPatchRequest,
 } from '../types/entity';
 import { useIntegrationStore } from '@KTXC/stores/integrationStore';
 import { EntityObject } from '../models';
@@ -150,6 +152,27 @@ export const entityService = {
     return createEntityObject(response);
   },
 
+  /**
+   * Patch existing entities with new properties
+   * 
+   * @param request - patch request parameters
+   * 
+   * @returns Promise with patch results keyed by target entity identifier
+   */
+  async patch(request: EntityPatchRequest): Promise<EntityPatchResponse> {
+    const properties = {
+      '@type': request.properties['@type'] ?? 'mail:message',
+      ...(Object.prototype.hasOwnProperty.call(request.properties, 'flags')
+        ? { flags: request.properties.flags }
+        : {}),
+    }
+
+    return await transceivePost<EntityPatchRequest, EntityPatchResponse>('entity.patch', {
+      ...request,
+      properties,
+    });
+  },
+
   /**
    * Delete entities by their identifiers
    * 

src/stores/entitiesStore.ts

@@ -7,7 +7,7 @@ import { defineStore } from 'pinia'
 import { entityService } from '../services'
 import { EntityObject, MessageObject } from '../models'
 import type {
-  EntityStreamRequest,
+  EntityListStreamRequest,
   EntityTransmitRequest,
   EntityTransmitResponse,
 } from '../types/entity'
@@ -216,6 +216,15 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
     }
   }
 
+  /**
+   * Create a new empty entity object
+   * 
+   * @returns New entity object instance
+   */
+  function fresh(): EntityObject {
+    return new EntityObject()
+  }
+
   /**
    * Create a new entity with given collection identifier and properties
    * 
@@ -282,19 +291,19 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
    *
    * Removes successfully deleted entities from the local store.
    *
-   * @param sources - entity identifiers to delete
+   * @param targets - entity identifiers to delete
    *
-   * @returns Promise with deletion results keyed by source identifier
+   * @returns Promise with deletion results keyed by target identifier
    */
-  async function remove(sources: EntityIdentifier[]): Promise<{successes: EntityIdentifier[], failures: EntityIdentifier[]}> {
+  async function remove(targets: EntityIdentifier[]): Promise<{successes: EntityIdentifier[], failures: EntityIdentifier[]}> {
     transceiving.value = true
     try {
-      const response = await entityService.delete({ sources })
+      const response = await entityService.delete({ targets })
       const successes: EntityIdentifier[] = []
       const failures: EntityIdentifier[] = []
 
-      Object.entries(response).forEach(([sourceIdentifier, result]) => {
-        const originalIdentifier = sourceIdentifier as EntityIdentifier
+      Object.entries(response).forEach(([targetIdentifier, result]) => {
+        const originalIdentifier = targetIdentifier as EntityIdentifier
         if (!result.disposition || result.disposition === 'error') {
           console.warn(`[Mail Manager][Store] - Entity move on "${originalIdentifier}" returned an error: ${result.error})`)
           failures.push(originalIdentifier)
@@ -335,6 +344,57 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
     }
   }
 
+  /**
+   * Patch existing entities with new properties
+   */
+  async function patch(properties: MessageInterface | MessageObject, targets: EntityIdentifier[]) {
+    transceiving.value = true
+    try {
+      if (properties instanceof MessageObject) {
+        properties = properties.toJson()
+      }
+      const response = await entityService.patch({ properties, targets })
+      const successes: EntityIdentifier[] = []
+      const failures: EntityIdentifier[] = []
+      
+      Object.entries(response).forEach(([targetIdentifier, result]) => {
+        const originalIdentifier = targetIdentifier as EntityIdentifier
+        if (!result.disposition || result.disposition === 'error') {
+          console.warn(`[Mail Manager][Store] - Entity patch on "${originalIdentifier}" returned an error: ${result.error})`)
+          failures.push(originalIdentifier)
+          return
+        }
+
+        const cachedEntity = _entities.value[originalIdentifier]
+        if (!cachedEntity) {
+          return
+        }
+
+        if (result.disposition === 'patched') {
+          const cachedEntityJson = cachedEntity.toJson()
+          const mutatedEntity = cachedEntity.clone().fromJson({
+            ...cachedEntityJson,
+            properties: {
+              ...cachedEntityJson.properties,
+              ...properties,
+            },
+          })
+          _entities.value[originalIdentifier] = mutatedEntity
+        }
+
+        successes.push(originalIdentifier)
+      })
+
+      console.debug('[Mail Manager][Store] - Successfully patched', successes.length, 'entities')
+      return { successes, failures }
+    } catch (error: any) {
+      console.error('[Mail Manager][Store] - Failed to patch entities:', error)
+      throw error
+    } finally {
+      transceiving.value = false
+    }
+  }
+
   /**
    * Move entities to another collection.
    *
@@ -414,36 +474,6 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
     }
   }
 
-  /**
-   * Stream entities progressively, merging each entity into the store as it arrives.
-   *
-   * Unlike list(), which waits for the full response before updating the store,
-   * stream() updates reactive state entity-by-entity so UI renders incrementally.
-   *
-   * @param sources - optional source selector
-   * @param filter  - optional list filter
-   * @param sort    - optional list sort
-   * @param range   - optional list range
-   *
-   * @returns Promise resolving to { total } when the stream completes
-   */
-  async function stream(sources?: CollectionIdentifier[], filter?: ListFilter, sort?: ListSort, range?: ListRange): Promise<{ total: number }> {
-    transceiving.value = true
-    try {
-      const request: EntityStreamRequest = { sources, filter, sort, range }
-      const result = await entityService.stream(request, (entity: EntityObject) => {
-        _entities.value[entity.identifier] = entity
-      })
-      console.debug('[Mail Manager][Store] - Successfully streamed', result.total, 'entities')
-      return result
-    } catch (error: any) {
-      console.error('[Mail Manager][Store] - Failed to stream entities:', error)
-      throw error
-    } finally {
-      transceiving.value = false
-    }
-  }
-
   // Return public API
   return {
     // State (readonly)
@@ -457,12 +487,13 @@ export const useEntitiesStore = defineStore('mailEntitiesStore', () => {
     list,
     fetch,
     extant,
+    fresh,
     create,
     update,
+    patch,
     delete: remove,
     delta,
     move,
     transmit,
-    stream,
   }
 })

src/types/entity.ts

@@ -128,15 +128,30 @@ export interface EntityUpdateRequest<T = MessageInterface> {
 
 export interface EntityUpdateResponse<T = MessageInterface> extends EntityInterface<T> {}
 
+/**
+ * Entity patch
+ */
+export interface EntityPatchRequest<T = MessageInterface> {
+  properties: T;
+  targets: EntityIdentifier[];
+}
+
+export interface EntityPatchResponse{
+  [targetIdentifier: EntityIdentifier]: {
+    disposition: 'patched' | 'error';
+    error?: string;
+  };
+}
+
 /**
  * Entity delete
  */
 export interface EntityDeleteRequest {
-  sources: EntityIdentifier[];
+  targets: EntityIdentifier[];
 }
 
 export interface EntityDeleteResponse {
-  [sourceIdentifier: EntityIdentifier]: {
+  [targetIdentifier: EntityIdentifier]: {
     disposition: 'deleted' | 'moved' | 'error';
     destination: CollectionIdentifier | null;
     mutation: EntityIdentifier | null;