diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index ded7a22..8da7c45 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -55,12 +55,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "99 Work/0 OneSec/OneSecNotes/Handover Planning.md",
+                "file": "2 Personal/Home Lab/Devices/Dell Studio 1558.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "Handover Planning"
+              "title": "Dell Studio 1558"
             }
           },
           {
@@ -222,10 +222,10 @@
             "state": {
               "type": "file-properties",
               "state": {
-                "file": "99 Work/0 OneSec/OneSecNotes/Handover Planning.md"
+                "file": "2 Personal/Home Lab/Devices/Dell Studio 1558.md"
               },
               "icon": "lucide-info",
-              "title": "File properties for Handover Planning"
+              "title": "File properties for Dell Studio 1558"
             }
           },
           {
@@ -268,12 +268,12 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "99 Work/0 OneSec/OneSecNotes/Handover Planning.md",
+                "file": "2 Personal/Home Lab/Devices/Dell Studio 1558.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               },
               "icon": "links-going-out",
-              "title": "Outgoing links from Handover Planning"
+              "title": "Outgoing links from Dell Studio 1558"
             }
           },
           {
@@ -282,13 +282,13 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "99 Work/0 OneSec/OneSecNotes/Handover Planning.md",
+                "file": "2 Personal/Home Lab/Devices/Dell Studio 1558.md",
                 "followCursor": false,
                 "showSearch": false,
                 "searchQuery": ""
               },
               "icon": "lucide-list",
-              "title": "Outline of Handover Planning"
+              "title": "Outline of Dell Studio 1558"
             }
           },
           {
@@ -463,6 +463,7 @@
   "active": "27ad82034df6d692",
   "lastOpenFiles": [
     "2 Personal/Lists/Business Ideas.md",
+    "2 Personal/Home Lab/Devices/Dell Studio 1558.md",
     "99 Work/0 OneSec/OneSecNotes/Handover Planning.md",
     "0 Journal/0 Daily/2026-02-04.md",
     "99 Work/Jobhunt/Interview Questions.md",
@@ -490,7 +491,6 @@
     "2 Personal/Home Lab/Homelab Architecture.excalidraw.md",
     "2 Personal/Home Lab/Drawing 2026-01-09 15.01.17.excalidraw.md",
     "OneNote/Listen/Bücher.md",
-    "2 Personal/Home Lab/VPS/Selfhosting.md",
     "Attachments/Pasted image 20251202214228.png",
     "2 Personal/1 Skills/AI",
     "2 Personal/Home Lab/Baerhalten",
diff --git a/99 Work/0 OneSec/OneSecNotes/Handover Planning.md b/99 Work/0 OneSec/OneSecNotes/Handover Planning.md
index a7ecd0c..1defd25 100644
--- a/99 Work/0 OneSec/OneSecNotes/Handover Planning.md	
+++ b/99 Work/0 OneSec/OneSecNotes/Handover Planning.md	
@@ -10,7 +10,7 @@ tags:
 
 - [ ] loom videos
     - [x] Simulator: Meta analyzer working principle and usage guide
-    - [ ] Teststand: usage guide, example runs
+    - [ ] Te ststand: usage guide, example runs
     - [ ] Bms driver: usage guide
 - [x] Merge valentins Pull request
 - [ ] Merge bms pull request
@@ -18,6 +18,10 @@ tags:
 - [ ] BMS learning cycle
 - [ ] Sign contracts (stock options & employment)
 
+documentation
+- [ ] confluence article about battery pack.
+	- [ ] learnings from spotwelding
+	- [ ] learnings from clamping mechanism
 
 ---
 home office tomorrow:
@@ -42,11 +46,11 @@ home office tomorrow:
 	- [ ] review system
 	- [ ] ~~google drive system.~~
 	- [ ] ~~OKRs for Vidit~~
-- [ ] Simulator
-	- [ ] explain the meta data system in detail in a loom video
-	- [ ] explain meta data analyzer and how to use it
-	- [ ] explain meta data analyzer and how to extend it
-	- [ ] merge the meta data analyzer
+- [x] Simulator
+	- [x] explain the meta data system in detail in a loom video
+	- [x] explain meta data analyzer and how to use it
+	- [x] explain meta data analyzer and how to extend it
+	- [x] merge the meta data analyzer
 - [ ] VPS
 	- [ ] log portal
 	- [ ] n8n
@@ -55,7 +59,7 @@ home office tomorrow:
 	- [ ] battery driver
 	- [ ] teststand
 	- [ ] autopilot?
-	- [ ] flightcontroller?
+	- [x] flightcontroller?
 	- [ ] auto review system (active work)
 	- [ ] teensy tester software stack.
 - [ ] hardware