diff --git a/nix/host-modules/swarm-grafana/dashboards/agents.json b/nix/host-modules/swarm-grafana/dashboards/agents.json
index eb9804d5..2ee0cb4a 100644
--- a/nix/host-modules/swarm-grafana/dashboards/agents.json
+++ b/nix/host-modules/swarm-grafana/dashboards/agents.json
@@ -661,15 +661,15 @@
     },
     {
       "id": 33,
-      "type": "bargauge",
+      "type": "timeseries",
       "title": "CLAUDE.md size by agent",
-      "description": "hyperhive.agent.claude_md.lines — current line count of each agent's own CLAUDE.md, a continuously-live gauge (not a per-turn counter, hence lastNotNull rather than increase()). The harness itself raises a loose-ends todo past 500 lines suggesting a trim, not a hard limit — this panel is visibility, not an alarm.",
+      "description": "hyperhive.agent.claude_md.lines over time — mara: \"i want to see it over time\" (a bargauge snapshot in an earlier round of this panel only showed the current count). A continuously-live gauge, not a per-turn counter, so this is the raw value plotted across the range, same treatment as the CPU/memory-by-agent panels above rather than a rate()/increase(). The harness itself raises a loose-ends todo past 500 lines suggesting a trim, not a hard limit — this panel is visibility, not an alarm.",
       "datasource": {
         "type": "prometheus",
         "uid": "@datasourceUid@"
       },
       "gridPos": {
-        "h": 7,
+        "h": 8,
         "w": 12,
         "x": 0,
         "y": 27
@@ -682,7 +682,6 @@
             "uid": "@datasourceUid@"
           },
           "expr": "sum by (agent) ({__name__=\"hyperhive.agent.claude_md.lines\", hive=~\"$hive\", agent=~\"$agent\"})",
-          "instant": true,
           "legendFormat": "{{agent}}"
         }
       ],
@@ -691,30 +690,29 @@
           "unit": "short",
           "decimals": 0,
           "color": {
-            "mode": "fixed",
-            "fixedColor": "orange"
+            "mode": "palette-classic"
           },
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "orange",
-                "value": null
-              }
-            ]
+          "custom": {
+            "drawStyle": "line",
+            "lineWidth": 1,
+            "fillOpacity": 0,
+            "showPoints": "never",
+            "spanNulls": false,
+            "axisSoftMin": 0
           }
         },
         "overrides": []
       },
       "options": {
-        "displayMode": "basic",
-        "orientation": "horizontal",
-        "showUnfilled": true,
-        "valueMode": "text",
-        "reduceOptions": {
-          "calcs": ["lastNotNull"],
-          "fields": "",
-          "values": false
+        "legend": {
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true,
+          "calcs": []
+        },
+        "tooltip": {
+          "mode": "multi",
+          "sort": "desc"
         }
       }
     }