diff --git a/.gitea/workflows/scripts/publish.sh b/.gitea/workflows/scripts/publish.sh
index 689089e..bc80037 100755
--- a/.gitea/workflows/scripts/publish.sh
+++ b/.gitea/workflows/scripts/publish.sh
@@ -39,7 +39,6 @@ if [ "$MODE" != "pr" ]; then
   # Visible comment: the reply text, or a sensible line if the agent only emitted a marker.
   msg="$reply"
   case "$msg" in ""|"_(Made changes"*) msg=$([ -n "$target" ] && echo "Handing off to @$target." || echo "_(no further comment)_") ;; esac
-  post "$(printf '🤖 **@%s**\n\n%s' "$NAME" "$msg")"
   # Close the issue if the agent flagged it (maintainer said it's not needed / duplicate).
   if grep -qiE '^[[:space:]]*CLOSE_ISSUE[[:space:]]*$' /tmp/agent_out.md; then
     echo "closing issue #$NUM"
@@ -48,6 +47,9 @@ if [ "$MODE" != "pr" ]; then
   fi
   # BREAKDOWN: from a BEGIN_SUBTASKS block, create a milestone + one sub-issue per line
   # (linked to this issue). Sub-issues are NOT auto-started — maintainer mentions agents later.
+  # Process subtasks first so we can append the created-issues list to the SAME comment as
+  # the reply (issue #38 — one comment per run).
+  subtext=""
   if grep -qiE '^[[:space:]]*BEGIN_SUBTASKS' /tmp/agent_out.md; then
     block=$(awk '/^[[:space:]]*BEGIN_SUBTASKS/{f=1;next} /^[[:space:]]*END_SUBTASKS/{f=0} f' /tmp/agent_out.md)
     ms=$(printf '%s\n' "$block" | sed -nE 's/^[[:space:]]*milestone:[[:space:]]*//Ip' | head -1)
@@ -75,8 +77,9 @@ if [ "$MODE" != "pr" ]; then
       echo "created sub-issue #${n:-?}: $title"
       [ -n "$n" ] && links="$links\n- #$n — $title"
     done < /tmp/subtasks.txt
-    post "$(printf '🤖 **@%s** — created sub-issues%s (mention an agent on each when ready):%b' "$NAME" "${ms:+ under milestone **$ms**}" "$links")"
+    subtext=$(printf '\n\n---\n🤖 **@%s** — created sub-issues%s (mention an agent on each when ready):%b' "$NAME" "${ms:+ under milestone **$ms**}" "$links")
   fi
+  post "$(printf '🤖 **@%s**\n\n%s%s' "$NAME" "$msg" "$subtext")"
   # Auto-delegate: if the plan names a teammate, trigger them via AGENT_TOKEN (a PAT, so it
   # fires a new workflow run — the built-in token cannot). Never targets @pm or self, so the
   # chain always terminates at a dev. The '🤖' guard on the trigger stops status-comment loops.
@@ -123,6 +126,16 @@ git fetch -q origin 2>/dev/null || true
 prbody=$(printf '%s\n\n---\nResolves #%s · 🤖 @%s' "$prdesc" "$NUM" "$NAME")
 owner=${GITHUB_REPOSITORY%%/*}
 
+# Post the agent's activity trail (tool calls + reasoning) inline in the same comment so
+# each run produces exactly ONE comment (issue #38). Computed once here so every dev-agent
+# exit path (no-changes, PR-open-failed, normal) appends it to the single reply comment.
+activity=""
+if [ -s /tmp/activity_log.md ]; then
+  entries=$(wc -l < /tmp/activity_log.md 2>/dev/null || echo 0)
+  log=$(cat /tmp/activity_log.md)
+  activity=$(printf '\n\n---\n🤖 **@%s** — activity log (%s entries):\n<details>\n<summary>tool calls & reasoning</summary>\n\n%s\n\n</details>' "$NAME" "$entries" "$log")
+fi
+
 # One PR per run: publish ONLY this run's own branch ($BRANCH), never sibling
 # ai/issue-N-* branches. This removes the multi-PR ambiguity that left the
 # activity log stranded on the triggering issue instead of the PR thread.
@@ -130,7 +143,7 @@ br="$BRANCH"
 ahead=$(git rev-list --count "origin/main..origin/$br" 2>/dev/null || echo 0)
 if [ "${ahead:-0}" -eq 0 ]; then
   # No changes on this branch — a plan / questions / analysis only.
-  post "$(printf '🤖 **@%s**\n\n%s' "$NAME" "$reply")"
+  post "$(printf '🤖 **@%s**\n\n%s%s' "$NAME" "$reply" "$activity")"
   exit 0
 fi
 
@@ -148,7 +161,7 @@ if [ -z "$url" ]; then
   url=$(printf '%s' "$resp" | jq -r '.html_url // empty' 2>/dev/null)
   prnum=$(printf '%s' "$resp" | jq -r '.number // empty' 2>/dev/null)
 fi
-[ -z "$url" ] && { echo "PR open/lookup failed for $br — posting reply on issue instead"; post "$(printf '🤖 **@%s**\n\n%s' "$NAME" "$reply")"; exit 0; }
+[ -z "$url" ] && { echo "PR open/lookup failed for $br — posting reply on issue instead"; post "$(printf '🤖 **@%s**\n\n%s%s' "$NAME" "$reply" "$activity")"; exit 0; }
 
 # Posts to the PR thread when we have a PR number, else to the origin issue ($NUM).
 prpost() {
@@ -160,17 +173,8 @@ prpost() {
 }
 
 if [ "$NEW" = "true" ]; then
-  prpost "$prnum" "$(printf '🤖 **@%s** — ✅ PR ready for review — @ffaerber please review & merge:\n- %s' "$NAME" "$url")"
+  prpost "$prnum" "$(printf '🤖 **@%s** — ✅ PR ready for review — @ffaerber please review & merge:\n- %s%s' "$NAME" "$url" "$activity")"
 else
   # Resume (comment is on a PR thread): include the write-up here too.
-  prpost "$prnum" "$(printf '🤖 **@%s** — updated branch/PR:\n- %s\n\n%s' "$NAME" "$url" "$prdesc")"
-fi
-
-# Post the agent's activity trail (tool calls + reasoning) as a separate comment so
-# it is visible on the PR thread. Additive — kept here even when nothing changed, so a
-# follow-up run (re-trigger) can see what this run did via the fetched issue thread.
-if [ -s /tmp/activity_log.md ]; then
-  entries=$(wc -l < /tmp/activity_log.md 2>/dev/null || echo 0)
-  log=$(cat /tmp/activity_log.md)
-  prpost "$prnum" "$(printf '🤖 **@%s** — activity log (%s entries):\n<details>\n<summary>tool calls & reasoning</summary>\n\n%s\n\n</details>' "$NAME" "$entries" "$log")"
+  prpost "$prnum" "$(printf '🤖 **@%s** — updated branch/PR:\n- %s\n\n%s%s' "$NAME" "$url" "$prdesc" "$activity")"
 fi