merge vmcore

misc/vm-core.func

@@ -169,7 +169,7 @@ get_active_logfile() {
 # silent()
 #
 # - Executes command with output redirected to active log file
-# - On error: displays last 10 lines of log and exits with original exit code
+# - On error: displays last 20 lines of log and exits with original exit code
 # - Temporarily disables error trap to capture exit code correctly
 # - Sources explain_exit_code() for detailed error messages
 # ------------------------------------------------------------------------------
@@ -207,15 +207,9 @@ silent() {
     msg_custom "→" "${YWB}" "${cmd}"
 
     if [[ -s "$logfile" ]]; then
-      local log_lines=$(wc -l <"$logfile")
-      echo "--- Last 10 lines of log ---"
-      tail -n 10 "$logfile"
-      echo "----------------------------"
-
-      # Show how to view full log if there are more lines
-      if [[ $log_lines -gt 10 ]]; then
-        msg_custom "📋" "${YW}" "View full log (${log_lines} lines): ${logfile}"
-      fi
+      echo -e "\n${TAB}--- Last 20 lines of log ---"
+      tail -n 20 "$logfile"
+      echo -e "${TAB}----------------------------\n"
     fi
 
     exit "$rc"
@@ -535,9 +529,21 @@ cleanup_vmid() {
 }
 
 cleanup() {
+  local exit_code=$?
   if [[ "$(dirs -p | wc -l)" -gt 1 ]]; then
     popd >/dev/null || true
   fi
+  # Report final telemetry status if post_to_api_vm was called but no update was sent
+  if [[ "${POST_TO_API_DONE:-}" == "true" && "${POST_UPDATE_DONE:-}" != "true" ]]; then
+    if declare -f post_update_to_api >/dev/null 2>&1; then
+      if [[ $exit_code -ne 0 ]]; then
+        post_update_to_api "failed" "$exit_code"
+      else
+        # Exited cleanly but description()/success was never called — shouldn't happen
+        post_update_to_api "failed" "1"
+      fi
+    fi
+  fi
 }
 
 check_root() {