Fix services-check to show all firing alerts per alert name

check_alert() used head -1 to display only the first firing instance,
silently swallowing additional alerts (e.g. frigate pod-not-ready was
hidden behind ollama).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/changelog.d/+services-check-show-all-alerts.bugfix.md

@@ -0,0 +1 @@
+Fix services-check to display all firing alerts for a given alert name, not just the first one.

mise-tasks/services-check

@@ -100,16 +100,17 @@ for a in alerts:
     if [ -z "$firing" ]; then
         echo -e "${GREEN}OK${NC}"
     else
-        local summary runbook
-        summary=$(echo "$firing" | head -1 | cut -d'|' -f1)
-        runbook=$(echo "$firing" | head -1 | cut -d'|' -f2)
         echo -e "${RED}FIRING${NC}"
+        local runbook_printed=false
+        while IFS='|' read -r summary runbook; do
             if [ -n "$summary" ]; then
                 echo -e "                           $summary"
             fi
-        if [ -n "$runbook" ]; then
+            if [ -n "$runbook" ] && [ "$runbook_printed" = false ]; then
                 echo -e "                           Runbook: $runbook"
+                runbook_printed=true
             fi
+        done <<< "$firing"
         FAILED=1
     fi
 }