PMM-13860: finalize HA Overview dashboard

api/ha/v1beta1/ha.proto

@@ -36,6 +36,9 @@ message StatusRequest {}
 message StatusResponse {
   // Status of HA mode: "Enabled" or "Disabled".
   string status = 1;
+  // Kubernetes namespace this instance is running in. Empty if unknown
+  // (e.g. non-Kubernetes installs).
+  string namespace = 2;
 }
 
 // HAService provides High Availability cluster status information.

api/ha/v1beta1/json/v1beta1.json

@@ -122,6 +122,11 @@
                   "description": "Status of HA mode: \"Enabled\" or \"Disabled\".",
                   "type": "string",
                   "x-order": 0
+                },
+                "namespace": {
+                  "description": "Kubernetes namespace this instance is running in. Empty if unknown\n(e.g. non-Kubernetes installs).",
+                  "type": "string",
+                  "x-order": 1
                 }
               }
             }

api/swagger/swagger-dev.json

@@ -5323,6 +5323,11 @@
                   "description": "Status of HA mode: \"Enabled\" or \"Disabled\".",
                   "type": "string",
                   "x-order": 0
+                },
+                "namespace": {
+                  "description": "Kubernetes namespace this instance is running in. Empty if unknown\n(e.g. non-Kubernetes installs).",
+                  "type": "string",
+                  "x-order": 1
                 }
               }
             }

api/swagger/swagger.json

@@ -4350,6 +4350,11 @@
                   "description": "Status of HA mode: \"Enabled\" or \"Disabled\".",
                   "type": "string",
                   "x-order": 0
+                },
+                "namespace": {
+                  "description": "Kubernetes namespace this instance is running in. Empty if unknown\n(e.g. non-Kubernetes installs).",
+                  "type": "string",
+                  "x-order": 1
                 }
               }
             }

dashboards/dashboards/AGENTS.md

@@ -30,7 +30,7 @@ dashboards/dashboards/*.json
 | `Valkey/` | Valkey/Redis clients, cluster, memory, replication, slowlog |
 | `Insight/` | Home Dashboard, Advanced Data Exploration, VictoriaMetrics, Exporters |
 | `Experimental/` | Databases Overview, DB Cluster Summary |
-| `PMM Health/` | Environments Overview, PMM Health Overview, HA Health Overview |
+| `PMM Health/` | Environments Overview, PMM Health Overview, PMM HA Health Overview |
 | `Query Analytics/` | QAN panel wrapper (`pmm-qan.json`) |
 | `Kubernetes (experimental)/` | Kubernetes operator monitoring |