Update content for md

4 files changed, 173 insertions, 113 deletions

diff --git a/about/resources.md b/about/resources.md
index 16fc9378..23f84ab3 100644
--- a/about/resources.md
+++ b/about/resources.md
@@ -35,110 +35,110 @@ You won't find any links on this site because, over time, the links will break.
 
 In random order:
 
-* Java ist auch eine Insel; Christian Ullenboom; 
+* Object-Oriented Programming with ANSI-C; Axel-Tobias Schreiner
+* Modern Perl; Chromatic ; Onyx Neon Press
+* Seeking SRE: Conversations About Running Production Systems at Scale; David N. Blank-Edelman; eBook
 * Perl New Features; Joshua McAdams, brian d foy; Perl School
+* Kubernetes Cookbook; Sameer Naik, Sébastien Goasguen, Jonathan Michaux; O'Reilly
+* Polished Ruby Programming; Jeremy Evans; Packt Publishing
+* Systems Performance Tuning; Gian-Paolo D. Musumeci and others...; O'Reilly
 * Amazon Web Services in Action; Michael Wittig and Andreas Wittig; Manning Publications
-* Learn You a Haskell for Great Good!; Miran Lipovaca; No Starch Press
-* 21st Century C: C Tips from the New School; Ben Klemens; O'Reilly
-* The Go Programming Language; Alan A. A. Donovan; Addison-Wesley Professional
-* Raku Fundamentals; Moritz Lenz; Apress
+* Hands-on Infrastructure Monitoring with Prometheus; Joel Bastos, Pedro Araujo; Packt 
 * The DevOps Handbook; Gene Kim, Jez Humble, Patrick Debois, John Willis; Audible
-* Effective awk programming; Arnold Robbins; O'Reilly
-* Think Raku (aka Think Perl 6); Laurent Rosenfeld, Allen B. Downey; O'Reilly
-* The KCNA (Kubernetes and Cloud Native Associate) Book; Nigel Poulton
-* Raku Recipes; J.J. Merelo; Apress
-* Polished Ruby Programming; Jeremy Evans; Packt Publishing
-* Concurrency in Go; Katherine Cox-Buday; O'Reilly
+* Funktionale Programmierung; Peter Pepper; Springer
 * Chaos Engineering - System Resiliency in Practice; Casey Rosenthal and Nora Jones; eBook
-* Seeking SRE: Conversations About Running Production Systems at Scale; David N. Blank-Edelman; eBook
-* C++ Programming Language; Bjarne Stroustrup;
 * Pro Puppet; James Turnbull, Jeffrey McCune; Apress
-* The Kubernetes Book; Nigel Poulton; Unabridged Audiobook
-* Programming Perl aka "The Camel Book"; Tom Christiansen, brian d foy, Larry Wall & Jon Orwant; O'Reilly
-* Object-Oriented Programming with ANSI-C; Axel-Tobias Schreiner
-* DevOps And Site Reliability Engineering Handbook; Stephen Fleming; Audible
-* Terraform Cookbook; Mikael Krief; Packt Publishing
-* Clusterbau mit Linux-HA; Michael Schwartzkopff; O'Reilly
-* Funktionale Programmierung; Peter Pepper; Springer
+* Site Reliability Engineering; How Google runs production systems; O'Reilly
+* Concurrency in Go; Katherine Cox-Buday; O'Reilly
+* The Go Programming Language; Alan A. A. Donovan; Addison-Wesley Professional
+* Leanring eBPF; Liz Rice; O'Reilly
+* Learn You Some Erlang for Great Good; Fred Herbert; No Starch Press
+* 21st Century C: C Tips from the New School; Ben Klemens; O'Reilly
+* Ultimate Go Notebook; Bill Kennedy
 * DNS and BIND; Cricket Liu; O'Reilly
-* Go Brain Teasers - Exercise Your Mind; Miki Tebeka; The Pragmatic Programmers
+* Raku Recipes; J.J. Merelo; Apress
+* 100 Go Mistakes and How to Avoid Them; Teiva Harsanyi; Manning Publications
+* Higher Order Perl; Mark Dominus; Morgan Kaufmann
+* Developing Games in Java; David Brackeen and others...; New Riders
+* Effective awk programming; Arnold Robbins; O'Reilly
+* Programming Perl aka "The Camel Book"; Tom Christiansen, brian d foy, Larry Wall & Jon Orwant; O'Reilly
 * 97 things every SRE should know; Emil Stolarsky, Jaime Woo; O'Reilly
-* Kubernetes Cookbook; Sameer Naik, Sébastien Goasguen, Jonathan Michaux; O'Reilly
-* Systems Performance Tuning; Gian-Paolo D. Musumeci and others...; O'Reilly
-* Effective Java; Joshua Bloch; Addison-Wesley Professional
+* The KCNA (Kubernetes and Cloud Native Associate) Book; Nigel Poulton
+* The Kubernetes Book; Nigel Poulton; Unabridged Audiobook
+* Learn You a Haskell for Great Good!; Miran Lipovaca; No Starch Press
 * The Pragmatic Programmer; David Thomas; Addison-Wesley
-* Ultimate Go Notebook; Bill Kennedy
-* Data Science at the Command Line; Jeroen Janssens; O'Reilly
-* Hands-on Infrastructure Monitoring with Prometheus; Joel Bastos, Pedro Araujo; Packt 
-* Developing Games in Java; David Brackeen and others...; New Riders
+* Effective Java; Joshua Bloch; Addison-Wesley Professional
+* Clusterbau mit Linux-HA; Michael Schwartzkopff; O'Reilly
+* The Docker Book; James Turnbull; Kindle
+* C++ Programming Language; Bjarne Stroustrup;
+* The Practise of System and Network Administration; Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup; Addison-Wesley Professional Pro Git; Scott Chacon, Ben Straub; Apress
 * Programming Ruby 3.3 (5th Edition); Noel Rappin, with Dave Thomas; The Pragmatic Bookshelf
 * Distributed Systems: Principles and Paradigms; Andrew S. Tanenbaum; Pearson
-* Site Reliability Engineering; How Google runs production systems; O'Reilly
-* The Practise of System and Network Administration; Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup; Addison-Wesley Professional Pro Git; Scott Chacon, Ben Straub; Apress
-* Systemprogrammierung in Go; Frank Müller; dpunkt
-* The Docker Book; James Turnbull; Kindle
-* Leanring eBPF; Liz Rice; O'Reilly
+* Data Science at the Command Line; Jeroen Janssens; O'Reilly
+* Go Brain Teasers - Exercise Your Mind; Miki Tebeka; The Pragmatic Programmers
 * Tmux 2: Productive Mouse-free Development; Brain P. Hogan; The Pragmatic Programmers 
-* Modern Perl; Chromatic ; Onyx Neon Press
-* Higher Order Perl; Mark Dominus; Morgan Kaufmann
-* Learn You Some Erlang for Great Good; Fred Herbert; No Starch Press
-* 100 Go Mistakes and How to Avoid Them; Teiva Harsanyi; Manning Publications
+* Terraform Cookbook; Mikael Krief; Packt Publishing
+* Raku Fundamentals; Moritz Lenz; Apress
+* Java ist auch eine Insel; Christian Ullenboom; 
+* Think Raku (aka Think Perl 6); Laurent Rosenfeld, Allen B. Downey; O'Reilly
+* DevOps And Site Reliability Engineering Handbook; Stephen Fleming; Audible
+* Systemprogrammierung in Go; Frank Müller; dpunkt
 
 ## Technical references
 
 I didn't read them from the beginning to the end, but I am using them to look up things. The books are in random order:
 
 * Understanding the Linux Kernel; Daniel P. Bovet, Marco Cesati; O'Reilly
-* Groovy Kurz & Gut; Joerg Staudemeier; O'Reilly
-* The Linux Programming Interface; Michael Kerrisk; No Starch Press 
-* Algorithms; Robert Sedgewick, Kevin Wayne; Addison Wesley
 * BPF Performance Tools - Linux System and Application Observability, Brendan Gregg; Addison Wesley
-* Go: Design Patterns for Real-World Projects; Mat Ryer; Packt
 * Relayd and Httpd Mastery; Michael W Lucas
 * Implementing Service Level Objectives; Alex Hidalgo; O'Reilly
+* Groovy Kurz & Gut; Joerg Staudemeier; O'Reilly
+* The Linux Programming Interface; Michael Kerrisk; No Starch Press 
+* Go: Design Patterns for Real-World Projects; Mat Ryer; Packt
+* Algorithms; Robert Sedgewick, Kevin Wayne; Addison Wesley
 
 ## Self-development and soft-skills books
 
 In random order:
 
-* Soft Skills; John Sommez; Manning Publications
-* Coders at Work - Reflections on the craft of programming, Peter Seibel and Mitchell Dorian et al., Audiobook
-* The Good Enough Job; Simone Stolzoff; Ebury Edge
-* Ultralearning; Anna Laurent; Self-published via Amazon
-* Buddah and Einstein walk into a Bar; Guy Joseph Ale, Claire Bloom; Blackstone Publishing
-* Who Moved My Cheese?; Dr. Spencer Johnson; Vermilion
-* Atomic Habits; James Clear; Random House Business
-* The Off Switch; Mark Cropley; Virgin Books (RE-READ 1ST TIME)
-* Consciousness: A Very Short Introduction; Susan Blackmore; Oxford Uiversity Press
-* The Bullet Journal Method; Ryder Carroll; Fourth Estate
-* Never Split the Difference; Chris Voss, Tahl Raz; Random House Business
-* Solve for Happy; Mo Gawdat (RE-READ 1ST TIME)
 * 97 Things Every Engineering Manager Should Know; Camille Fournier; Audiobook
-* Eat That Frog!; Brian Tracy; Hodder Paperbacks
 * Meditation for Mortals, Oliver Burkeman, Audiobook
+* The Obstacle Is The Way; Ryan Holiday; Profile Books Ltd
+* The Software Engineer's Guidebook: Navigating senior, tech lead, and staff engineer positions at tech companies and startups; Gergely Orosz; Audiobook 
+* Ultralearning; Scott Young; Thorsons
+* Influence without Authority; A. Cohen, D. Bradford; Wiley
 * Search Inside Yourself - The Unexpected path to Achieving Success, Happiness (and World Peace); Chade-Meng Tan, Daniel Goleman, Jon Kabat-Zinn; HarperOne
-* The Phoenix Project - A Novel About IT, DevOps, and Helping your Business Win; Gene Kim and Kevin Behr; Trade Select
-* Eat That Frog; Brian Tracy
+* Deep Work; Cal Newport; Piatkus
+* The Off Switch; Mark Cropley; Virgin Books (RE-READ 1ST TIME)
+* Consciousness: A Very Short Introduction; Susan Blackmore; Oxford Uiversity Press
+* Time Management for System Administrators; Thomas A. Limoncelli; O'Reilly
+* Buddah and Einstein walk into a Bar; Guy Joseph Ale, Claire Bloom; Blackstone Publishing
 * The 7 Habits Of Highly Effective People; Stephen R. Covey; Simon & Schuster UK
-* Stop starting, start finishing; Arne Roock; Lean-Kanban University  
-* So Good They Can't Ignore You; Cal Newport; Business Plus
-* The Software Engineer's Guidebook: Navigating senior, tech lead, and staff engineer positions at tech companies and startups; Gergely Orosz; Audiobook 
+* Eat That Frog; Brian Tracy
 * The Daily Stoic; Ryan Holiday, Stephen Hanselman; Profile Books
-* Influence without Authority; A. Cohen, D. Bradford; Wiley
+* So Good They Can't Ignore You; Cal Newport; Business Plus
+* Eat That Frog!; Brian Tracy; Hodder Paperbacks
 * Slow Productivity; Cal Newport; Penguin Random House
+* The Phoenix Project - A Novel About IT, DevOps, and Helping your Business Win; Gene Kim and Kevin Behr; Trade Select
+* Stop starting, start finishing; Arne Roock; Lean-Kanban University  
 * The Joy of Missing Out; Christina Crook; New Society Publishers
-* The Courage to Be Disliked; Ichiro Kishimi and Fumitake Koga; Audiobook
-* Digital Minimalism; Cal Newport; Portofolio Penguin
-* The Obstacle Is The Way; Ryan Holiday; Profile Books Ltd
-* The Complete Software Developer's Career Guide; John Sonmez; Unabridged Audiobook
+* Never Split the Difference; Chris Voss, Tahl Raz; Random House Business
+* Soft Skills; John Sommez; Manning Publications
+* The Bullet Journal Method; Ryder Carroll; Fourth Estate
+* Getting Things Done; David Allen
+* Coders at Work - Reflections on the craft of programming, Peter Seibel and Mitchell Dorian et al., Audiobook
+* Ultralearning; Anna Laurent; Self-published via Amazon
+* Who Moved My Cheese?; Dr. Spencer Johnson; Vermilion
 * Staff Engineer: Leadership beyond the management track; Will Larson; Audiobook
-* Time Management for System Administrators; Thomas A. Limoncelli; O'Reilly
-* Deep Work; Cal Newport; Piatkus
+* Digital Minimalism; Cal Newport; Portofolio Penguin
+* The Good Enough Job; Simone Stolzoff; Ebury Edge
 * 101 Essays that change the way you think; Brianna Wiest; Audiobook
-* Getting Things Done; David Allen
+* The Complete Software Developer's Career Guide; John Sonmez; Unabridged Audiobook
 * The Power of Now; Eckhard Tolle; Yellow Kite
-* Ultralearning; Scott Young; Thorsons
+* The Courage to Be Disliked; Ichiro Kishimi and Fumitake Koga; Audiobook
+* Solve for Happy; Mo Gawdat (RE-READ 1ST TIME)
 * Psycho-Cybernetics; Maxwell Maltz; Perigee Books
+* Atomic Habits; James Clear; Random House Business
 
 [Here are notes of mine for some of the books](../notes/index.md)  
 
@@ -146,30 +146,30 @@ In random order:
 
 Some of these were in-person with exams; others were online learning lectures only. In random order:
 
-* Structure and Interpretation of Computer Programs; Harold Abelson and more...; 
-* Scripting Vim; Damian Conway; O'Reilly Online
+* The Ultimate Kubernetes Bootcamp; School of Devops; O'Reilly Online
+* Ultimate Go Programming; Bill Kennedy; O'Reilly Online
 * AWS Immersion Day; Amazon; 1-day interactive online training 
-* Red Hat Certified System Administrator; Course + certification (Although I had the option, I decided not to take the next course as it is more effective to self learn what I need)
-* Apache Tomcat Best Practises; 3-day on-site training
-* F5 Loadbalancers Training; 2-day on-site training; F5, Inc. 
 * MySQL Deep Dive Workshop; 2-day on-site training
+* The Well-Grounded Rubyist Video Edition; David. A. Black; O'Reilly Online
 * Protocol buffers; O'Reilly Online
-* Cloud Operations on AWS - Learn how to configure, deploy, maintain, and troubleshoot your AWS environments; 3-day online live training with labs; Amazon
-* The Ultimate Kubernetes Bootcamp; School of Devops; O'Reilly Online
 * Linux Security and Isolation APIs Training; Michael Kerrisk; 3-day on-site training
-* Developing IaC with Terraform (with Live Lessons); O'Reilly Online
-* Algorithms Video Lectures; Robert Sedgewick; O'Reilly Online
+* Scripting Vim; Damian Conway; O'Reilly Online
+* Cloud Operations on AWS - Learn how to configure, deploy, maintain, and troubleshoot your AWS environments; 3-day online live training with labs; Amazon
+* Red Hat Certified System Administrator; Course + certification (Although I had the option, I decided not to take the next course as it is more effective to self learn what I need)
 * Functional programming lecture; Remote University of Hagen
-* Ultimate Go Programming; Bill Kennedy; O'Reilly Online
-* The Well-Grounded Rubyist Video Edition; David. A. Black; O'Reilly Online
+* F5 Loadbalancers Training; 2-day on-site training; F5, Inc. 
+* Structure and Interpretation of Computer Programs; Harold Abelson and more...; 
+* Algorithms Video Lectures; Robert Sedgewick; O'Reilly Online
+* Apache Tomcat Best Practises; 3-day on-site training
+* Developing IaC with Terraform (with Live Lessons); O'Reilly Online
 
 ## Technical guides
 
 These are not whole books, but guides (smaller or larger) which I found very useful. in random order:
 
-* Advanced Bash-Scripting Guide 
-* How CPUs work at https://cpu.land
 * Raku Guide at https://raku.guide  
+* How CPUs work at https://cpu.land
+* Advanced Bash-Scripting Guide 
 
 ## Podcasts
 
@@ -177,58 +177,58 @@ These are not whole books, but guides (smaller or larger) which I found very use
 
 In random order:
 
-* Dev Interrupted
+* Modern Mentor
+* The Pragmatic Engineer Podcast
+* Pratical AI
 * BSD Now [BSD]
-* The Changelog Podcast(s)
-* Wednesday Wisdom
+* Deep Questions with Cal Newport
 * Fallthrough [Golang]
-* Modern Mentor
-* The ProdCast (Google SRE Podcast)
 * Maintainable
-* Cup o' Go [Golang]
-* Pratical AI
 * Fork Around And Find Out
-* Deep Questions with Cal Newport
-* Backend Banter
-* The Pragmatic Engineer Podcast
+* The Changelog Podcast(s)
+* Cup o' Go [Golang]
 * Hidden Brain
+* Wednesday Wisdom
+* Backend Banter
+* The ProdCast (Google SRE Podcast)
+* Dev Interrupted
 
 ### Podcasts I liked
 
 I liked them but am not listening to them anymore. The podcasts have either "finished" (no more episodes) or I stopped listening to them due to time constraints or a shift in my interests.
 
+* Modern Mentor
 * Ship It (predecessor of Fork Around And Find Out)
-* Java Pub House
-* Go Time (predecessor of fallthrough)
 * CRE: Chaosradio Express [german]
+* Go Time (predecessor of fallthrough)
+* Java Pub House
 * FLOSS weekly
-* Modern Mentor
 
 ## Newsletters I like
 
 This is a mix of tech and non-tech newsletters I am subscribed to. In random order:
 
-* Ruby Weekly
-* Register Spill
+* Applied Go Weekly Newsletter
 * Andreas Brandhorst Newsletter (Sci-Fi author)
+* The Imperfectionist
+* Ruby Weekly
 * VK Newsletter
 * The Pragmatic Engineer
-* byteSizeGo
-* Changelog News
 * Monospace Mentor
-* The Imperfectionist
-* Golang Weekly
-* Applied Go Weekly Newsletter
 * The Valuable Dev
+* byteSizeGo
+* Golang Weekly
+* Register Spill
+* Changelog News
 
 ## Magazines I like(d)
 
 This is a mix of tech I like(d). I may not be a current subscriber, but now and then, I buy an issue. In random order:
 
-* Linux User
+* LWN (online only)
 * Linux Magazine
+* Linux User
 * freeX (not published anymore)
-* LWN (online only)
 
 # Formal education
 
diff --git a/gemfeed/2026-02-02-tmux-popup-editor-for-cursor-agent-prompts.md b/gemfeed/2026-02-02-tmux-popup-editor-for-cursor-agent-prompts.md
index 7e44f099..f5152bd3 100644
--- a/gemfeed/2026-02-02-tmux-popup-editor-for-cursor-agent-prompts.md
+++ b/gemfeed/2026-02-02-tmux-popup-editor-for-cursor-agent-prompts.md
@@ -79,14 +79,14 @@ And this is how it looks like after sending back the text to the Cursor Agent's
 
 And here is the full script. It is a bit ugly since it's shell (written with Cursor Agent with GPT-5.2-Codex), and I might (let) rewrite it in Go with propper unit tests, config-file, multi-agent support and release it once I have time. But it works well enough for now.
 
+> Updated 2026-02-02: Script now works on both Linux and macOS; the listing below reflects the latest version.
+
 ```bash
 #!/usr/bin/env bash
 set -u -o pipefail
 
-declare -i LOG_ENABLED=0
-
+LOG_ENABLED=0
 log_file="${TMPDIR:-/tmp}/tmux-edit-send.log"
-
 log() {
   if [ "$LOG_ENABLED" -eq 1 ]; then
     printf '%s\n' "$*" >> "$log_file"
@@ -96,17 +96,30 @@ log() {
 # Read the target pane id from a temp file created by tmux binding.
 read_target_from_file() {
   local file_path="$1"
+  local pane_id
   if [ -n "$file_path" ] && [ -f "$file_path" ]; then
-    sed -n '1p' "$file_path" | tr -d '[:space:]'
+    pane_id="$(sed -n '1p' "$file_path" | tr -d '[:space:]')"
+    # Ensure pane ID has % prefix
+    if [ -n "$pane_id" ] && [[ "$pane_id" != %* ]]; then
+      pane_id="%${pane_id}"
+    fi
+    printf '%s' "$pane_id"
   fi
 }
 
 # Read the target pane id from tmux environment if present.
 read_target_from_env() {
-  local env_line
+  local env_line pane_id
   env_line="$(tmux show-environment -g TMUX_EDIT_TARGET 2>/dev/null || true)"
   case "$env_line" in
-    TMUX_EDIT_TARGET=*) printf '%s' "${env_line#TMUX_EDIT_TARGET=}" ;;
+    TMUX_EDIT_TARGET=*)
+      pane_id="${env_line#TMUX_EDIT_TARGET=}"
+      # Ensure pane ID has % prefix
+      if [ -n "$pane_id" ] && [[ "$pane_id" != %* ]] && [[ "$pane_id" =~ ^[0-9]+$ ]]; then
+        pane_id="%${pane_id}"
+      fi
+      printf '%s' "$pane_id"
+      ;;
   esac
 }
 
@@ -117,16 +130,25 @@ resolve_target_pane() {
 
   current_pane="$(tmux display-message -p "#{pane_id}" 2>/dev/null || true)"
   log "current pane=${current_pane:-<empty>}"
+  
+  # Ensure candidate has % prefix if it's a pane ID
+  if [ -n "$candidate" ] && [[ "$candidate" =~ ^[0-9]+$ ]]; then
+    candidate="%${candidate}"
+    log "normalized candidate to $candidate"
+  fi
+  
   if [ -n "$candidate" ] && [[ "$candidate" == *"#{"* ]]; then
     log "format target detected, clearing"
     candidate=""
   fi
   if [ -z "$candidate" ]; then
     candidate="$(tmux display-message -p "#{last_pane}" 2>/dev/null || true)"
+    log "using last pane as fallback: $candidate"
   elif [ "$candidate" = "$current_pane" ]; then
     last_pane="$(tmux display-message -p "#{last_pane}" 2>/dev/null || true)"
     if [ -n "$last_pane" ]; then
       candidate="$last_pane"
+      log "candidate was current, using last pane: $candidate"
     fi
   fi
   printf '%s' "$candidate"
@@ -192,9 +214,12 @@ validate_target_pane() {
     return 1
   fi
   target_found=0
+  log "validate: looking for target='$target' in all panes:"
   for pane in $(tmux list-panes -a -F "#{pane_id}" 2>/dev/null || true); do
+    log "validate: checking pane='$pane'"
     if [ "$pane" = "$target" ]; then
       target_found=1
+      log "validate: MATCH FOUND!"
       break
     fi
   done
@@ -203,6 +228,7 @@ validate_target_pane() {
     echo "Target pane not found: $target" >&2
     return 1
   fi
+  log "validate: target pane validated successfully"
 }
 
 # Send temp file contents to the target pane line by line.
@@ -212,13 +238,18 @@ send_content() {
   local prompt_text="$3"
   local first_line=1
   local line
+  log "send_content: target=$target, prompt_text='$prompt_text'"
   while IFS= read -r line || [ -n "$line" ]; do
+    log "send_content: read line='$line'"
     if [ "$first_line" -eq 1 ] && [ -n "$prompt_text" ]; then
       if [[ "$line" == "$prompt_text"* ]]; then
+        local old_line="$line"
         line="${line#"$prompt_text"}"
+        log "send_content: stripped prompt, was='$old_line' now='$line'"
       fi
     fi
     first_line=0
+    log "send_content: sending line='$line'"
     tmux send-keys -t "$target" -l "$line"
     tmux send-keys -t "$target" Enter
   done < "$tmpfile"
@@ -233,6 +264,10 @@ main() {
   local tmpfile
   local prompt_text
 
+  log "=== tmux-edit-send starting ==="
+  log "target_file=$target_file"
+  log "EDITOR=$editor"
+  
   target="$(read_target_from_file "$target_file" || true)"
   if [ -n "$target" ]; then
     log "file target=${target:-<empty>}"
@@ -249,22 +284,47 @@ main() {
   target="$(resolve_target_pane "$target")"
   log "fallback target=${target:-<empty>}"
 
-  tmpfile="$(mktemp "./.tmux-edit-send.XXXXXX.md")"
+  tmpfile="$(mktemp)"
+  log "created tmpfile=$tmpfile"
+  if [ ! -f "$tmpfile" ]; then
+    log "ERROR: mktemp failed to create file"
+    echo "ERROR: mktemp failed" >&2
+    exit 1
+  fi
+  mv "$tmpfile" "${tmpfile}.md" 2>&1 | while read -r line; do log "mv output: $line"; done
+  tmpfile="${tmpfile}.md"
+  log "renamed to tmpfile=$tmpfile"
+  if [ ! -f "$tmpfile" ]; then
+    log "ERROR: tmpfile does not exist after rename"
+    echo "ERROR: tmpfile rename failed" >&2
+    exit 1
+  fi
   trap 'rm -f "$tmpfile"' EXIT
 
+  log "capturing prompt text from target=$target"
   prompt_text="$(capture_prompt_text "$target")"
+  log "captured prompt_text='$prompt_text'"
   prefill_tmpfile "$tmpfile" "$prompt_text"
+  log "prefilled tmpfile"
 
+  log "launching editor: $editor $tmpfile"
   "$editor" "$tmpfile"
-  log "editor exited with status $?"
+  local editor_exit=$?
+  log "editor exited with status $editor_exit"
 
   if [ ! -s "$tmpfile" ]; then
     log "empty file, nothing sent"
     exit 0
   fi
+  
+  log "tmpfile contents:"
+  log "$(cat "$tmpfile")"
 
+  log "validating target pane"
   validate_target_pane "$target"
+  log "sending content to target=$target"
   send_content "$target" "$tmpfile" "$prompt_text"
+  log "=== tmux-edit-send completed ==="
 }
 
 main "$@"
diff --git a/index.md b/index.md
index a0497f37..92fb636f 100644
--- a/index.md
+++ b/index.md
@@ -1,6 +1,6 @@
 # Hello!
 
-> This site was generated at 2026-02-01T22:27:38+02:00 by `Gemtexter`
+> This site was generated at 2026-02-02T11:03:17+02:00 by `Gemtexter`
 
 Welcome to the foo.zone!
 
diff --git a/uptime-stats.md b/uptime-stats.md
index 9c777ab2..2cd71868 100644
--- a/uptime-stats.md
+++ b/uptime-stats.md
@@ -1,6 +1,6 @@
 # My machine uptime stats
 
-> This site was last updated at 2026-02-01T22:27:38+02:00
+> This site was last updated at 2026-02-02T11:03:17+02:00
 
 The following stats were collected via `uptimed` on all of my personal computers over many years and the output was generated by `guprecords`, the global uptime records stats analyser of mine.