From 3a39fbd65f66c216bf3dbb6859c13fb326c520d9 Mon Sep 17 00:00:00 2001
From: Juergen Kunz <juergen@foss.global>
Date: Wed, 3 Sep 2025 08:27:06 +0000
Subject: [PATCH] fix(processmonitor): Skip null pidusage entries when
 aggregating process-group memory/CPU to avoid errors

---
 changelog.md                | 7 +++++++
 ts/00_commitinfo_data.ts    | 2 +-
 ts/daemon/processmonitor.ts | 9 +++++++--
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/changelog.md b/changelog.md
index fd808c7..f067b62 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 2025-09-03 - 5.10.1 - fix(processmonitor)
+Skip null pidusage entries when aggregating process-group memory/CPU to avoid errors
+
+- Add defensive check for null/undefined entries returned by pidusage before accessing memory/cpu fields
+- Log a debug message when an individual process stat is null (process may have exited)
+- Improve robustness of ProcessMonitor.getProcessGroupStats to prevent runtime exceptions during aggregation
+
 ## 2025-09-01 - 5.10.0 - feat(daemon)
 Add crash log manager with rotation and integrate crash logging; improve IPC & process listener cleanup
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 2bc95e8..629bf12 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@git.zone/tspm',
-  version: '5.10.0',
+  version: '5.10.1',
   description: 'a no fuzz process manager'
 }
diff --git a/ts/daemon/processmonitor.ts b/ts/daemon/processmonitor.ts
index 648219f..9074b65 100644
--- a/ts/daemon/processmonitor.ts
+++ b/ts/daemon/processmonitor.ts
@@ -435,8 +435,13 @@ export class ProcessMonitor extends EventEmitter {
               let totalMemory = 0;
               let totalCpu = 0;
               for (const key in stats) {
-                totalMemory += stats[key].memory;
-                totalCpu += Number.isFinite(stats[key].cpu) ? stats[key].cpu : 0;
+                // Check if stats[key] exists and is not null (process may have exited)
+                if (stats[key]) {
+                  totalMemory += stats[key].memory || 0;
+                  totalCpu += Number.isFinite(stats[key].cpu) ? stats[key].cpu : 0;
+                } else {
+                  this.logger.debug(`Process ${key} stats are null (process may have exited)`);
+                }
               }
 
               this.logger.debug(