fix(grafana): update dashboard queries and thresholds

- Fix Last Backup Status panel to use bool modifier for proper 1/0 values
- Change RPO threshold from 24h to 7 days (604800s) for status check
- Clean up table transformations to exclude duplicate fields
- Update variable refresh to trigger on time range change

bin/README.md

@@ -4,8 +4,8 @@ This directory contains pre-compiled binaries for the DB Backup Tool across mult
 
 ## Build Information
 - **Version**: 3.42.50
-- **Build Time**: 2026-01-17_06:25:57_UTC
-- **Git Commit**: 4ea3ec2
+- **Build Time**: 2026-01-17_06:48:35_UTC
+- **Git Commit**: dd1db84
 
 ## Recent Updates (v1.1.0)
 - ✅ Fixed TUI progress display with line-by-line output

grafana/dbbackup-dashboard.json

@@ -94,7 +94,7 @@
             "uid": "${DS_PROMETHEUS}"
           },
           "editorMode": "code",
-          "expr": "dbbackup_rpo_seconds{instance=~\"$instance\"} < 86400",
+          "expr": "dbbackup_rpo_seconds{instance=~\"$instance\"} < bool 604800",
           "legendFormat": "{{database}}",
           "range": true,
           "refId": "A"
@@ -711,19 +711,6 @@
       },
       "pluginVersion": "10.2.0",
       "targets": [
-        {
-          "datasource": {
-            "type": "prometheus",
-            "uid": "${DS_PROMETHEUS}"
-          },
-          "editorMode": "code",
-          "expr": "dbbackup_rpo_seconds{instance=~\"$instance\"} < 86400",
-          "format": "table",
-          "instant": true,
-          "legendFormat": "__auto",
-          "range": false,
-          "refId": "Status"
-        },
         {
           "datasource": {
             "type": "prometheus",
@@ -769,26 +756,30 @@
               "Time": true,
               "Time 1": true,
               "Time 2": true,
-              "Time 3": true,
               "__name__": true,
               "__name__ 1": true,
               "__name__ 2": true,
-              "__name__ 3": true,
               "instance 1": true,
               "instance 2": true,
-              "instance 3": true,
               "job": true,
               "job 1": true,
               "job 2": true,
-              "job 3": true
+              "engine 1": true,
+              "engine 2": true
+            },
+            "indexByName": {
+              "Database": 0,
+              "Instance": 1,
+              "Engine": 2,
+              "RPO": 3,
+              "Size": 4
             },
-            "indexByName": {},
             "renameByName": {
               "Value #RPO": "RPO",
               "Value #Size": "Size",
-              "Value #Status": "Status",
               "database": "Database",
-              "instance": "Instance"
+              "instance": "Instance",
+              "engine": "Engine"
             }
           }
         }
@@ -1275,7 +1266,7 @@
           "query": "label_values(dbbackup_rpo_seconds, instance)",
           "refId": "StandardVariableQuery"
         },
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 1,

internal/restore/preflight.go

@@ -48,14 +48,14 @@ type LinuxChecks struct {
 
 // PostgreSQLChecks contains PostgreSQL configuration checks
 type PostgreSQLChecks struct {
-	MaxLocksPerTransaction   int    // Current setting
-	MaxPreparedTransactions  int    // Current setting (affects lock capacity)
-	TotalLockCapacity        int    // Calculated: max_locks × (max_connections + max_prepared)
-	MaintenanceWorkMem       string // Current setting
-	SharedBuffers            string // Current setting (info only)
-	MaxConnections           int    // Current setting
-	Version                  string // PostgreSQL version
-	IsSuperuser              bool   // Can we modify settings?
+	MaxLocksPerTransaction  int    // Current setting
+	MaxPreparedTransactions int    // Current setting (affects lock capacity)
+	TotalLockCapacity       int    // Calculated: max_locks × (max_connections + max_prepared)
+	MaintenanceWorkMem      string // Current setting
+	SharedBuffers           string // Current setting (info only)
+	MaxConnections          int    // Current setting
+	Version                 string // PostgreSQL version
+	IsSuperuser             bool   // Can we modify settings?
 }
 
 // ArchiveChecks contains analysis of the backup archive