From 98c612fc566185e78fb1bab53d731c376a39e7d4 Mon Sep 17 00:00:00 2001
From: Andreas Hilbig <andreas.hilbig@hilbigit.com>
Date: Tue, 13 Jan 2026 14:42:11 +0100
Subject: [PATCH] chore: Add missing ".js" extensions to imports and improve
 Node.js compatibility for dynamic schema loading

---
 .idea/compiler.xml                          |  3 +-
 .idea/runConfigurations/index_ts.xml        |  6 +-
 .idea/workspace.xml                         | 69 +++++++++++++++++++--
 extensions/location_tracker_commons.graphql | 24 +++----
 extensions/location_tracker_devices.graphql | 35 ++---------
 src/api/resolver_helpers.ts                 |  2 +-
 src/api/resolvers.ts                        | 12 ++--
 src/api/schema.ts                           |  8 ++-
 src/api/start.ts                            |  2 +-
 src/datasources/zabbix-hostgroups.ts        |  8 +--
 src/datasources/zabbix-items.ts             |  2 +-
 src/datasources/zabbix-permissions.ts       |  6 +-
 src/execution/host_exporter.ts              |  2 +-
 src/execution/host_importer.ts              |  2 +-
 src/schema/zabbix.graphql                   | 10 +++
 15 files changed, 121 insertions(+), 70 deletions(-)

diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 6e70aca..884029d 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="TypeScriptCompiler">
-    <option name="nodeInterpreterTextField" value="wsl://Ubuntu@/home/ahilbig/.nvm/versions/node/v22.14.0/bin/node" />
+    <option name="memoryAutoIncrease" value="true" />
+    <option name="nodeInterpreterTextField" value="wsl://Ubuntu@/home/ahilbig/.nvm/versions/node/v24.12.0/bin/node" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/runConfigurations/index_ts.xml b/.idea/runConfigurations/index_ts.xml
index d0a877b..9443e41 100644
--- a/.idea/runConfigurations/index_ts.xml
+++ b/.idea/runConfigurations/index_ts.xml
@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="index.ts" type="NodeJSConfigurationType" path-to-node="wsl://Ubuntu@/home/ahilbig/.nvm/versions/node/v22.14.0/bin/node" nameIsGenerated="true" path-to-js-file="src/index.ts" typescript-loader="bundled" working-dir="$PROJECT_DIR$">
+  <configuration default="false" name="index.ts" type="NodeJSConfigurationType" path-to-node="wsl://Ubuntu@/home/ahilbig/.nvm/versions/node/v24.12.0/bin/node" nameIsGenerated="true" path-to-js-file="src/index.ts" typescript-loader="bundled" working-dir="$PROJECT_DIR$">
     <envs>
-      <env name="ADDITIONAL_RESOLVERS" value="SinglePanelDevice,FourPanelDevice,DistanceTracker" />
-      <env name="ADDITIONAL_SCHEMAS" value="./extensions/display_devices.graphql,./extensions/location_tracker_devices.graphql" />
+      <env name="ADDITIONAL_RESOLVERS" value="SinglePanelDevice,FourPanelDevice,DistanceTrackerDevice" />
+      <env name="ADDITIONAL_SCHEMAS" value="./extensions/display_devices.graphql,./extensions/location_tracker_devices.graphql,./extensions/location_tracker_commons.graphql" />
       <env name="DEBUG" value="device-control-center-api:*" />
       <env name="ZABBIX_AUTH_TOKEN" value="$ZABBIX_AUTH_TOKEN_VCR_DEV$" />
       <env name="ZABBIX_BASE_URL" value="http://cockpit.vcr.develop.hilbigit.com/" />
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d8954de..0bf46a2 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,9 +4,21 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="d7a71994-2699-4ae4-9fd2-ee13b7f33d35" name="Changes" comment="refactor!: Update Node.js version to 24.12.0, enhance GraphQL schema structure, and improve dynamic schema loading logic">
-      <change afterPath="$PROJECT_DIR$/.forgejo/workflows/deploy-docker.yaml" afterDir="false" />
+    <list default="true" id="d7a71994-2699-4ae4-9fd2-ee13b7f33d35" name="Changes" comment="chore: Add missing &quot;.js&quot; extensions to imports and improve Node.js compatibility for dynamic schema loading">
+      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/compiler.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/runConfigurations/index_ts.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/runConfigurations/index_ts.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/extensions/location_tracker_commons.graphql" beforeDir="false" afterPath="$PROJECT_DIR$/extensions/location_tracker_commons.graphql" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/extensions/location_tracker_devices.graphql" beforeDir="false" afterPath="$PROJECT_DIR$/extensions/location_tracker_devices.graphql" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/api/resolver_helpers.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/api/resolver_helpers.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/api/resolvers.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/api/resolvers.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/api/schema.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/api/schema.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/api/start.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/api/start.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/datasources/zabbix-hostgroups.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/datasources/zabbix-hostgroups.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/datasources/zabbix-items.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/datasources/zabbix-items.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/datasources/zabbix-permissions.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/datasources/zabbix-permissions.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/execution/host_exporter.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/execution/host_exporter.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/execution/host_importer.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/execution/host_importer.ts" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -63,7 +75,9 @@
     "node.js.selected.package.tslint": "(autodetect)",
     "nodejs_interpreter_path": "wsl://Ubuntu@/home/ahilbig/.nvm/versions/node/v24.12.0/bin/node",
     "nodejs_package_manager_path": "npm",
-    "settings.editor.selected.configurable": "settings.typescriptcompiler",
+    "npm.compile.executor": "Run",
+    "npm.prod.executor": "Run",
+    "settings.editor.selected.configurable": "preferences.sourceCode.TypeScript",
     "ts.external.directory.path": "\\\\wsl.localhost\\Ubuntu\\home\\ahilbig\\git\\vcr\\zabbix-graphql-api\\node_modules\\typescript\\lib",
     "vue.rearranger.settings.migration": "true"
   }
@@ -82,11 +96,27 @@
     </key>
   </component>
   <component name="RunManager" selected="Node.js.index.ts">
+    <configuration name="prod" type="js.build_tools.npm" temporary="true" nameIsGenerated="true">
+      <package-json value="$PROJECT_DIR$/package.json" />
+      <command value="run" />
+      <scripts>
+        <script value="prod" />
+      </scripts>
+      <node-interpreter value="project" />
+      <envs />
+      <method v="2" />
+    </configuration>
     <list>
       <item itemvalue="Node.js.index.ts" />
       <item itemvalue="npm.codegen" />
       <item itemvalue="npm.compile" />
+      <item itemvalue="npm.prod" />
     </list>
+    <recent_temporary>
+      <list>
+        <item itemvalue="npm.prod" />
+      </list>
+    </recent_temporary>
   </component>
   <component name="SharedIndexes">
     <attachedChunks>
@@ -102,8 +132,33 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1768273021451</updated>
-      <workItem from="1768273025985" duration="6749000" />
+      <workItem from="1768273025985" duration="8303000" />
     </task>
+    <task id="LOCAL-00001" summary="chore: Update IntelliJ workspace settings and add GitHub Actions workflow for Docker deployment">
+      <option name="closed" value="true" />
+      <created>1768310046741</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1768310046741</updated>
+    </task>
+    <task id="LOCAL-00002" summary="chore: Update IntelliJ workspace settings and add GitHub Actions workflow for Docker deployment">
+      <option name="closed" value="true" />
+      <created>1768310076697</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1768310076697</updated>
+    </task>
+    <task id="LOCAL-00003" summary="chore: Update IntelliJ workspace settings and add GitHub Actions workflow for Docker deployment">
+      <option name="closed" value="true" />
+      <created>1768310176163</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1768310176163</updated>
+    </task>
+    <option name="localTasksCounter" value="4" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -121,9 +176,11 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="refactor!: Update Node.js version to 24.12.0, enhance GraphQL schema structure, and improve dynamic schema loading logic" />
     <MESSAGE value="refactor!: Cleanup zabbix api access and remove unused classes; Restructure grapqhl-schema to better align with clean code and project structure principles;Rename &quot;devices&quot; to &quot;hosts&quot; in &quot;exportHistory&quot; - operation. Prepare extraction of device specific types and alignment with integration layer" />
     <MESSAGE value="refactor!: Rename &quot;devices&quot; to &quot;hosts&quot; in &quot;exportHistory&quot; - operation. Cleanup zabbix api access and remove unused classes&#10; Restructure grapqhl-schema to better align with clean code and project structure principles" />
-    <option name="LAST_COMMIT_MESSAGE" value="refactor!: Rename &quot;devices&quot; to &quot;hosts&quot; in &quot;exportHistory&quot; - operation. Cleanup zabbix api access and remove unused classes&#10; Restructure grapqhl-schema to better align with clean code and project structure principles" />
+    <MESSAGE value="refactor!: Update Node.js version to 24.12.0, enhance GraphQL schema structure, and improve dynamic schema loading logic" />
+    <MESSAGE value="chore: Update IntelliJ workspace settings and add GitHub Actions workflow for Docker deployment" />
+    <MESSAGE value="chore: Add missing &quot;.js&quot; extensions to imports and improve Node.js compatibility for dynamic schema loading" />
+    <option name="LAST_COMMIT_MESSAGE" value="chore: Add missing &quot;.js&quot; extensions to imports and improve Node.js compatibility for dynamic schema loading" />
   </component>
 </project>
\ No newline at end of file
diff --git a/extensions/location_tracker_commons.graphql b/extensions/location_tracker_commons.graphql
index 4e592d9..fd417af 100644
--- a/extensions/location_tracker_commons.graphql
+++ b/extensions/location_tracker_commons.graphql
@@ -1,17 +1,5 @@
 
 
-"""
-Concrete implementation of a DeviceValueMessage for sensor distance data.
-"""
-type SensorDistanceMessage implements DeviceValueMessage {
-    deviceKey: String
-    timestamp: String
-    attributeName: String
-    topicName: String
-    deviceType: String
-    value: SensorDistanceValue
-}
-
 """
 Represents the payload for a sensor distance measurement.
 """
@@ -58,3 +46,15 @@ type PositionCalculatorResult {
     position: Position
     accuracy: Float
 }
+
+"""
+Concrete implementation of a DeviceValueMessage for sensor distance data.
+"""
+type SensorDistanceMessage implements DeviceValueMessage {
+    deviceKey: String
+    timestamp: String
+    attributeName: String
+    topicName: String
+    deviceType: String
+    value: SensorDistanceValue
+}
diff --git a/extensions/location_tracker_devices.graphql b/extensions/location_tracker_devices.graphql
index 22607c4..1865863 100644
--- a/extensions/location_tracker_devices.graphql
+++ b/extensions/location_tracker_devices.graphql
@@ -18,30 +18,13 @@ type DistanceTrackerDevice implements Host & Device {
 
 type DistanceTrackerState implements DeviceState {
     operational: OperationalDeviceData
-    current: DistanceTrackerCurrentState
-}
-
-type DistanceTrackerCurrentState {
-    values: DistanceTrackerValues
+    current: DistanceTrackerValues
 }
 
+"""
+Aggregated information of devices detected around the tracker
+"""
 type DistanceTrackerValues {
-    """
-    Aggregated information of devices detected around the tracker
-    """
-    countValues: DeviceCountValues
-    """
-    Information about devices detected nearby
-    """
-    distanceValues: String
-
-}
-
-type DeviceCountValues {
-    """
-    Number of unique deviceKeys detected between timeFrom and timeUnti
-    """
-    count: Int
     """
     Start of time interval for the delivered device counting value
     """
@@ -50,19 +33,13 @@ type DeviceCountValues {
     End of time interval for the delivered device counting value
     """
     timeUntil: Time
-}
 
-type DeviceDistanceValues {
     """
     Number of unique deviceKeys detected between timeFrom and timeUnti
     """
     count: Int
     """
-    Start of time interval for the delivered device counting value
+    Detailed information about devices detected nearby
     """
-    timeFrom: Time
-    """
-    End of time interval for the delivered device counting value
-    """
-    timeUntil: Time
+    distances: [SensorDistanceValue!]
 }
diff --git a/src/api/resolver_helpers.ts b/src/api/resolver_helpers.ts
index a462cc0..4a4c37c 100644
--- a/src/api/resolver_helpers.ts
+++ b/src/api/resolver_helpers.ts
@@ -1,6 +1,6 @@
 import {isObjectType} from "graphql";
 import {logger} from "../logging/logger.js";
-import {Device, Host} from "../schema/generated/graphql";
+import {Device, Host} from "../schema/generated/graphql.js";
 
 export const isDevice = (value: Host): value is Device => !!(value as Device).deviceType;
 
diff --git a/src/api/resolvers.ts b/src/api/resolvers.ts
index 0333017..66616f6 100644
--- a/src/api/resolvers.ts
+++ b/src/api/resolvers.ts
@@ -17,8 +17,8 @@ import {
     StorageItemType,
 } from "../schema/generated/graphql.js";
 
-import {HostImporter} from "../execution/host_importer";
-import {HostValueExporter} from "../execution/host_exporter";
+import {HostImporter} from "../execution/host_importer.js";
+import {HostValueExporter} from "../execution/host_exporter.js";
 import {logger} from "../logging/logger.js";
 import {ParsedArgs, ZabbixRequest} from "../datasources/zabbix-request.js";
 import {ZabbixCreateHostRequest, ZabbixQueryHostsRequestWithItemsAndInventory,} from "../datasources/zabbix-hosts.js";
@@ -34,10 +34,10 @@ import {
     ZabbixImportUserRolesRequest,
     ZabbixQueryUserRolesRequest
 } from "../datasources/zabbix-userroles.js";
-import {ZABBIX_EDGE_DEVICE_BASE_GROUP, zabbixAPI} from "../datasources/zabbix-api";
-import {GraphQLInterfaceType, GraphQLList} from "graphql/type";
-import {isDevice} from "./resolver_helpers";
-import {ZabbixPermissionsHelper} from "../datasources/zabbix-permissions";
+import {ZABBIX_EDGE_DEVICE_BASE_GROUP, zabbixAPI} from "../datasources/zabbix-api.js";
+import {GraphQLInterfaceType, GraphQLList} from "graphql/type/index.js";
+import {isDevice} from "./resolver_helpers.js";
+import {ZabbixPermissionsHelper} from "../datasources/zabbix-permissions.js";
 
 
 export function createResolvers(): Resolvers {
diff --git a/src/api/schema.ts b/src/api/schema.ts
index 5beef23..686b25e 100644
--- a/src/api/schema.ts
+++ b/src/api/schema.ts
@@ -7,6 +7,7 @@ import {makeExecutableSchema, mergeSchemas} from "@graphql-tools/schema";
 import {readFileSync} from "fs";
 import {GraphQLSchema} from "graphql/type";
 import {createResolvers} from "./resolvers.js";
+import {readdirSync} from "node:fs";
 
 
 const createZabbixHierarchicalDeviceFieldResolver =
@@ -25,7 +26,12 @@ const createZabbixHierarchicalDeviceTagsResolver =
     }
 export async function schema_loader(): Promise<GraphQLSchema> {
     const resolvers = createResolvers();
-    let typeDefs: string = readFileSync('./src/schema/*.graphql', {encoding: 'utf-8'});
+    const schemaPath = process.env.SCHEMA_PATH || './src/schema/';
+    var schemaFiles = readdirSync(schemaPath).filter(fn => fn.endsWith('.graphql'));
+    let typeDefs: string = "";
+    for (const schemaFile of schemaFiles) {
+        typeDefs += readFileSync(schemaPath + schemaFile, {encoding: 'utf-8'});
+    }
     if (process.env.ADDITIONAL_SCHEMAS) {
         for (const schema of process.env.ADDITIONAL_SCHEMAS.split(",")){
             typeDefs += readFileSync(schema, {encoding: 'utf-8'});
diff --git a/src/api/start.ts b/src/api/start.ts
index f61fdb0..8c436fa 100644
--- a/src/api/start.ts
+++ b/src/api/start.ts
@@ -8,7 +8,7 @@ import express from 'express';
 import cors from "cors";
 import {ApolloServerPluginDrainHttpServer} from '@apollo/server/plugin/drainHttpServer';
 import {logger} from "../logging/logger.js";
-import {zabbixAPI, zabbixRequestAuthToken} from "../datasources/zabbix-api";
+import {zabbixAPI, zabbixRequestAuthToken} from "../datasources/zabbix-api.js";
 import {WebSocketServer} from "ws";
 import {useServer} from "graphql-ws/lib/use/ws";
 
diff --git a/src/datasources/zabbix-hostgroups.ts b/src/datasources/zabbix-hostgroups.ts
index 4f18203..03d0664 100644
--- a/src/datasources/zabbix-hostgroups.ts
+++ b/src/datasources/zabbix-hostgroups.ts
@@ -1,13 +1,13 @@
-import {isZabbixErrorResult, ParsedArgs, ZabbixParams, ZabbixRequest} from "./zabbix-request.js";
+import {isZabbixErrorResult, ParsedArgs, ZabbixParams} from "./zabbix-request.js";
 import {Permission} from "../schema/generated/graphql.js";
 import {
     FIND_ZABBIX_EDGE_DEVICE_BASE_GROUP_PREFIX,
     ZABBIX_EDGE_DEVICE_BASE_GROUP,
     ZabbixAPI,
     zabbixSuperAuthToken
-} from "./zabbix-api";
-import {logger} from "../logging/logger";
-import {ZabbixRequestWithPermissions} from "./zabbix-permissions";
+} from "./zabbix-api.js";
+import {logger} from "../logging/logger.js";
+import {ZabbixRequestWithPermissions} from "./zabbix-permissions.js";
 
 export interface CreateHostGroupResult {
     groupids: string[]
diff --git a/src/datasources/zabbix-items.ts b/src/datasources/zabbix-items.ts
index 981f74e..24b1314 100644
--- a/src/datasources/zabbix-items.ts
+++ b/src/datasources/zabbix-items.ts
@@ -1,5 +1,5 @@
 import {ParsedArgs, ZabbixRequest} from "./zabbix-request.js";
-import {ZabbixItem} from "../schema/generated/graphql";
+import {ZabbixItem} from "../schema/generated/graphql.js";
 
 
 export class ZabbixQueryItemsRequest extends ZabbixRequest<ZabbixItem[]> {
diff --git a/src/datasources/zabbix-permissions.ts b/src/datasources/zabbix-permissions.ts
index 5af0a3d..c75fce9 100644
--- a/src/datasources/zabbix-permissions.ts
+++ b/src/datasources/zabbix-permissions.ts
@@ -1,7 +1,7 @@
 import {ParsedArgs, ZabbixErrorResult, ZabbixRequest, ZabbixResult} from "./zabbix-request.js";
-import {ZabbixAPI} from "./zabbix-api";
-import {InputMaybe, Permission, QueryHasPermissionsArgs, UserPermission} from "../schema/generated/graphql";
-import {ApiErrorCode, PermissionNumber} from "../model/model_enum_values";
+import {ZabbixAPI} from "./zabbix-api.js";
+import {InputMaybe, Permission, QueryHasPermissionsArgs, UserPermission} from "../schema/generated/graphql.js";
+import {ApiErrorCode, PermissionNumber} from "../model/model_enum_values.js";
 
 
 export class ZabbixRequestWithPermissions<T extends ZabbixResult, A extends ParsedArgs = ParsedArgs> extends ZabbixRequest<T, A> {
diff --git a/src/execution/host_exporter.ts b/src/execution/host_exporter.ts
index 4606e77..084c060 100644
--- a/src/execution/host_exporter.ts
+++ b/src/execution/host_exporter.ts
@@ -8,7 +8,7 @@ import {ApiErrorCode, ApiErrorMessage} from "../model/model_enum_values.js";
 import {ZabbixQueryItemsRequest} from "../datasources/zabbix-items.js";
 import {isZabbixErrorResult, ParsedArgs, ZabbixErrorResult} from "../datasources/zabbix-request.js";
 import {ZabbixHistoryGetParams, ZabbixQueryHistoryRequest} from "../datasources/zabbix-history.js";
-import {zabbixAPI} from "../datasources/zabbix-api";
+import {zabbixAPI} from "../datasources/zabbix-api.js";
 
 type FilterCombo = {
     deviceKey: string,
diff --git a/src/execution/host_importer.ts b/src/execution/host_importer.ts
index 1439292..3fa4624 100644
--- a/src/execution/host_importer.ts
+++ b/src/execution/host_importer.ts
@@ -9,7 +9,7 @@ import {logger} from "../logging/logger.js";
 import {ZabbixQueryTemplatesRequest} from "../datasources/zabbix-templates.js";
 import {isZabbixErrorResult, ParsedArgs, ZabbixErrorResult} from "../datasources/zabbix-request.js";
 import {CreateHostGroupResult, GroupHelper, ZabbixCreateHostGroupRequest} from "../datasources/zabbix-hostgroups.js";
-import {ZABBIX_EDGE_DEVICE_BASE_GROUP, zabbixAPI} from "../datasources/zabbix-api";
+import {ZABBIX_EDGE_DEVICE_BASE_GROUP, zabbixAPI} from "../datasources/zabbix-api.js";
 
 export class HostImporter {
     public static getHostGroupHierarchyNames(hostGroups: Array<CreateHostGroup>) {
diff --git a/src/schema/zabbix.graphql b/src/schema/zabbix.graphql
index 37d7330..6f85fca 100644
--- a/src/schema/zabbix.graphql
+++ b/src/schema/zabbix.graphql
@@ -16,6 +16,11 @@ interface Host {
     hostgroups: [HostGroup!]
     name: String
     tags: JSONObject
+    """
+    Specifies the type or category of the device. Used to define the classification
+    of a device in the system (capabilities, functionalities, or purpose).
+    """
+    deviceType: String
 }
 
 type ZabbixItem {
@@ -56,6 +61,11 @@ type ZabbixHost implements Host {
     name: String
     tags: JSONObject
 
+    """
+    Specifies the type or category of the device. Used to define the classification
+    of a device in the system (capabilities, functionalities, or purpose).
+    """
+    deviceType: String
 
     items: [ZabbixItem!]
     inventory: Inventory