From d8f91df276fd71812cac9a14e1b8b5019757a7a1 Mon Sep 17 00:00:00 2001
From: waynemwashuma <94756970+waynemwashuma@users.noreply.github.com>
Date: Fri, 15 May 2026 21:23:11 +0300
Subject: [PATCH 1/3] Add system groups

---
 src/schedule/core/systembuilder.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/schedule/core/systembuilder.js b/src/schedule/core/systembuilder.js
index 229fdbe1..04f5fe53 100644
--- a/src/schedule/core/systembuilder.js
+++ b/src/schedule/core/systembuilder.js
@@ -10,6 +10,12 @@ export class SchedulerBuilder {
    */
   systems = []
 
+  /**
+   * @private
+   * @type {SystemGroupConfig[]}
+   */
+  systemGroups = []
+
   /**
    * @param {SystemConfig} config
    */
@@ -17,6 +23,12 @@ export class SchedulerBuilder {
     this.systems.push(config)
   }
 
+  /**
+   * @param {SystemGroupConfig} config
+   */
+  addGroup(config) {
+    this.systemGroups.push(config)
+  }
   /**
    * @param {Scheduler} scheduler
    */
@@ -32,3 +44,8 @@ export class SchedulerBuilder {
     }
   }
 }
+
+/**
+ * @typedef SystemGroupConfig
+ * @property {import('../../type/index.js').Constructor} label
+ */

From e6d5d4bf6afa182f268466ce65dc41b411bf2a52 Mon Sep 17 00:00:00 2001
From: waynemwashuma <94756970+waynemwashuma@users.noreply.github.com>
Date: Fri, 15 May 2026 21:23:34 +0300
Subject: [PATCH 2/3] Integrate system groups into system configs

---
 src/schedule/core/systemconfig.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/schedule/core/systemconfig.js b/src/schedule/core/systemconfig.js
index 803248a4..99c2f3a9 100644
--- a/src/schedule/core/systemconfig.js
+++ b/src/schedule/core/systemconfig.js
@@ -1,6 +1,10 @@
 /** @import {SystemFunc} from "../../ecs/index.js" */
 export class SystemConfig {
 
+  /**
+   * @type {import("../../type/index.js").Constructor | undefined}
+   */
+  systemGroup
   /**
    * @type {SystemFunc}
    */
@@ -14,9 +18,11 @@ export class SystemConfig {
   /**
    * @param {SystemFunc} system
    * @param {string} schedule
+   * @param {import("../../type/index.js").Constructor | undefined} [systemGroup]
    */
-  constructor(system, schedule) {
+  constructor(system, schedule, systemGroup) {
     this.system = system
     this.schedule = schedule
+    this.systemGroup = systemGroup
   }
 }

From e8f7a4d496613f95cf829c323b09407ae932d48f Mon Sep 17 00:00:00 2001
From: waynemwashuma <94756970+waynemwashuma@users.noreply.github.com>
Date: Fri, 15 May 2026 21:30:24 +0300
Subject: [PATCH 3/3] Lint files

---
 src/schedule/core/systembuilder.js | 1 +
 src/schedule/core/systemconfig.js  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/schedule/core/systembuilder.js b/src/schedule/core/systembuilder.js
index 04f5fe53..d06f17e5 100644
--- a/src/schedule/core/systembuilder.js
+++ b/src/schedule/core/systembuilder.js
@@ -29,6 +29,7 @@ export class SchedulerBuilder {
   addGroup(config) {
     this.systemGroups.push(config)
   }
+
   /**
    * @param {Scheduler} scheduler
    */
diff --git a/src/schedule/core/systemconfig.js b/src/schedule/core/systemconfig.js
index 99c2f3a9..fc9f9ebe 100644
--- a/src/schedule/core/systemconfig.js
+++ b/src/schedule/core/systemconfig.js
@@ -5,6 +5,7 @@ export class SystemConfig {
    * @type {import("../../type/index.js").Constructor | undefined}
    */
   systemGroup
+
   /**
    * @type {SystemFunc}
    */