diff --git a/shared/grafana/provisioning/dashboards/containers.json b/shared/grafana/provisioning/dashboards/containers.json
index c324b97..6bb13c0 100644
--- a/shared/grafana/provisioning/dashboards/containers.json
+++ b/shared/grafana/provisioning/dashboards/containers.json
@@ -104,14 +104,14 @@
     {
       "id": 6,
       "type": "timeseries",
-      "title": "Memory vs limit (%)",
-      "description": "Working set over the cgroup memory limit (container_spec_memory_limit_bytes). Only containers that carry a limit are shown; approaching 1.0 means an OOM is near. Containers with no limit are omitted.",
+      "title": "Memory vs host total (%)",
+      "description": "Working set over the host's total RAM. The fleet sets NO cgroup memory limits (every container_spec_memory_limit_bytes is 0 — a limit-share panel is structurally empty here), so the honest pressure view is share of the host. The join labels the node exporter's MemTotal onto the cadvisor series by host.",
       "gridPos": { "h": 9, "w": 12, "x": 12, "y": 11 },
       "datasource": { "type": "prometheus", "uid": "prometheus" },
       "fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1, "custom": { "fillOpacity": 8, "lineWidth": 1, "stacking": { "mode": "none" } } }, "overrides": [] },
       "targets": [
         {
-          "expr": "(container_memory_working_set_bytes{job=~\"cadvisor-.*\", host=~\"$host\", container=~\"$container\"} / on (job, host, container) group_left container_spec_memory_limit_bytes{job=~\"cadvisor-.*\", host=~\"$host\", container=~\"$container\"}) and (container_spec_memory_limit_bytes{job=~\"cadvisor-.*\", host=~\"$host\", container=~\"$container\"} > 0)",
+          "expr": "container_memory_working_set_bytes{job=~\"cadvisor-.*\", host=~\"$host\", container=~\"$container\", container!=\"\"} / on(host) group_left label_replace(node_memory_MemTotal_bytes{job=~\"node-.*\"}, \"host\", \"$1\", \"job\", \"node-(.*)\")",
           "legendFormat": "{{host}} / {{container}}",
           "refId": "A"
         }
diff --git a/shared/grafana/provisioning/dashboards/host-system.json b/shared/grafana/provisioning/dashboards/host-system.json
index 487a712..c9b14fc 100644
--- a/shared/grafana/provisioning/dashboards/host-system.json
+++ b/shared/grafana/provisioning/dashboards/host-system.json
@@ -54,7 +54,7 @@
       "gridPos": { "h": 4, "w": 6, "x": 12, "y": 0 },
       "datasource": { "type": "prometheus", "uid": "prometheus" },
       "fieldConfig": { "defaults": { "unit": "short", "thresholds": { "mode": "absolute", "steps": [{ "color": "green", "value": null }, { "color": "yellow", "value": 0.7 }, { "color": "red", "value": 1 }] } }, "overrides": [] },
-      "targets": [{ "expr": "node_load5{job=~\"$node\"} / count by (job) (node_cpu_seconds_total{job=~\"$node\",mode=\"idle\"})", "legendFormat": "{{job}}", "refId": "A" }]
+      "targets": [{ "expr": "node_load5{job=~\"$node\"} / on(job) count by (job) (node_cpu_seconds_total{job=~\"$node\",mode=\"idle\"})", "legendFormat": "{{job}}", "refId": "A" }]
     },
     {
       "id": 4, "type": "stat", "title": "Open file handles",
diff --git a/shared/grafana/provisioning/dashboards/llm-fleet.json b/shared/grafana/provisioning/dashboards/llm-fleet.json
index c2bf94c..fff5af4 100644
--- a/shared/grafana/provisioning/dashboards/llm-fleet.json
+++ b/shared/grafana/provisioning/dashboards/llm-fleet.json
@@ -194,7 +194,7 @@
       "id": 6,
       "type": "timeseries",
       "title": "Firing fleet alerts",
-      "description": "The LLM-fleet rules from shared/prometheus/rules/llm-fleet.yml. A firing alert is delivered to Signal: Prometheus -> Alertmanager (dankclaw quadlet) -> the host-side signal-relay user unit -> signal-cli, since 2026-09-17.",
+      "description": "The LLM-fleet rules from shared/prometheus/rules/llm-fleet.yml. EMPTY IS THE HEALTHY STATE: zero series means nothing is firing (ALERTS only carries active/pending alert series — do not read this panel as broken). A firing alert is delivered to Signal: Prometheus -> Alertmanager (dankclaw quadlet) -> the host-side signal-relay user unit -> signal-cli, since 2026-09-17.",
       "gridPos": {
         "h": 8,
         "w": 12,