fix: deterministic dedup of agent double-posts (self-post + framework reply) (#109)

.gitea/workflows/scripts/publish.sh

@@ -195,7 +195,31 @@ if [ "$MODE" != "pr" ]; then
     done < /tmp/subtasks.txt
     subtext=$(printf '\n\n---\nCreated sub-issues%s (mention an agent on each when ready):%b' "${ms:+ under milestone **$ms**}" "$links")
   fi
-  post "$(printf '%s%s%s' "$msg" "$subtext" "$activity")"
+  # DEDUP GUARD (issue: @pm double-posts its report). Prompt-level "do not self-post" is ignored
+  # by some models, so enforce it here: if the agent ALREADY posted a comment on this thread
+  # during the run (any comment by $NAME newer than the pre-run newest id from fetch-thread.sh),
+  # its self-post IS the reply — skip the duplicate framework comment. Markers (CLOSE_ISSUE,
+  # DELEGATE, MERGE_PR, subtasks) were already processed above and are unaffected.
+  # FAIL OPEN: if the pre-run marker is missing (fetch-thread hiccup), pre_cid=0 would make the
+  # agent's comments from PREVIOUS runs count as self-posts and wrongly suppress the reply.
+  # Without the marker, skip the guard and post normally.
+  pre_cid=$(cat /tmp/thread_max_cid 2>/dev/null || echo "")
+  selfposts=0
+  if [ -n "$pre_cid" ]; then
+  : > /tmp/all_comments.json
+  for pg in $(seq 1 10); do
+    cpg=$(curl -sS "${hdr[@]}" "$API/issues/$NUM/comments?limit=50&page=$pg" 2>/dev/null) || cpg='[]'
+    cn=$(printf '%s' "$cpg" | jq 'if type=="array" then length else 0 end' 2>/dev/null || echo 0)
+    [ "${cn:-0}" -gt 0 ] && printf '%s\n' "$cpg" >> /tmp/all_comments.json
+    [ "${cn:-0}" -lt 50 ] && break
+  done
+  selfposts=$(jq -rs --arg n "$NAME" --argjson c "${pre_cid:-0}" '[ (add // [])[] | select(.user.login==$n) | select(.id > $c) ] | length' /tmp/all_comments.json 2>/dev/null || echo 0)
+  fi
+  if [ "${selfposts:-0}" -gt 0 ]; then
+    echo "agent @$NAME already posted ${selfposts} comment(s) on #$NUM during this run — skipping duplicate framework reply"
+  else
+    post "$(printf '%s%s%s' "$msg" "$subtext" "$activity")"
+  fi
 
   # --- @pm autopilot merge: @pm is the ONLY agent that merges, and ONLY under the autopilot label ---
   # (@qa never merges — it approves and hands back here.) Merge with the PAT (TTOK), not the built-in