fix: export generic PSU metrics

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
+          go-version: '1.25.11'
       -
         name: Run tests
         run: go test ./...

.github/workflows/test.yml

@@ -16,15 +16,21 @@ jobs:
       - name: setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
+          go-version: '1.25.11'
       - run: go test -v ./...
+  validate-dashboard:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: validate dashboard JSON
+        run: ./scripts/validate-dashboard.sh dashboards/sonic-exporter.json
   golangci-lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
+          go-version: '1.25.11'
           cache: false
       - name: golangci-lint
         run: go run github.com/golangci/golangci-lint/cmd/golangci-lint@v1.64.8 run
@@ -34,7 +40,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
+          go-version: '1.25.11'
       - name: install govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest
       - name: run govulncheck
@@ -45,7 +51,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
+          go-version: '1.25.11'
       - name: install gitleaks
         run: go install github.com/zricethezav/gitleaks/v8@latest
       - name: gitleaks scan working tree

README.md

@@ -88,6 +88,29 @@ For a deeper breakdown, see `docs/architecture.md`.
 
 Collector implementations live in `internal/collector/*_collector.go`.
 
+## Grafana dashboard
+
+The Grafana dashboard lives in `dashboards/sonic-exporter.json`. It is a single-switch drilldown dashboard for Grafana 10 and Grafana 11.
+
+Rows are ordered this way:
+
+- `Overview / Exporter Health`
+- `Interfaces / Queues`
+- `Hardware / CRM / Host`
+- `Topology / L2`
+- `Optional / FDB`
+- `Optional / System`
+- `Optional / Docker`
+- `Optional / FRR`
+
+The optional rows are collapsed by default and are safe when those metrics are absent. Validate dashboard changes with:
+
+```bash
+./scripts/validate-dashboard.sh dashboards/sonic-exporter.json
+```
+
+For import, provisioning, variables, validation, smoke checks, and limits, see `docs/grafana-dashboard.md`.
+
 ## Quick start
 
 ### Run locally