feat(woodpecker): add change detection and selective builds

- Add detect-changes step to check for code changes

- Add multiple tags (commit SHA, latest, branch-latest)

- Add Kubernetes deployment step

- Skip build/deploy if no relevant file changes

- Consistent with backend CI pipeline

.woodpecker.yml

@@ -1,8 +1,40 @@
 when:
-  branch: high-performance
+  branch: [main, high-performance]
   event: push
 
 steps:
+  # Step 1: Detect if changes exist
+  - name: detect-changes
+    image: alpine/git
+    commands:
+      - apk add --no-cache bash
+      - |
+        #!/bin/bash
+        set -e
+
+        # Get changed files from last commit
+        CHANGED_FILES=$(git diff --name-only HEAD~1 HEAD || echo "")
+
+        # Check if relevant files changed (src, package.json, Dockerfile, etc.)
+        RELEVANT_CHANGED=false
+        if echo "$CHANGED_FILES" | grep -qE "^(src/|package\.json|package-lock\.json|Dockerfile|vite\.config|tsconfig|public/)"; then
+          RELEVANT_CHANGED=true
+          echo "✅ Admin panel code changed - will build"
+        fi
+
+        # Create marker file
+        if [ "$RELEVANT_CHANGED" = "true" ]; then
+          echo "SHOULD_BUILD=true" > .build-marker
+          echo "🚀 Will build admin panel"
+        else
+          echo "SHOULD_BUILD=false" > .build-marker
+          echo "⏭️ Skipping admin panel - no relevant changes"
+        fi
+
+        # Export for other steps
+        cat .build-marker >> ${CI_ENV}
+
+  # Step 2: Build and push Docker image (only if changed)
   - name: build-and-push
     image: woodpeckerci/plugin-docker-buildx:5.0.0
     settings:
@@ -10,14 +42,70 @@ steps:
       repo: ghcr.io/traceworks2023/nxtgauge-admin-solid
       dockerfile: Dockerfile
       tags:
+        - ${CI_COMMIT_SHA}
+        - latest
         - high-performance-latest
       username:
         from_secret: GHCR_USERNAME
       password:
         from_secret: GHCR_TOKEN
       platforms: linux/amd64
+    when:
+      - evaluate: 'env.SHOULD_BUILD == "true"'
 
+  # Step 3: Deploy to Kubernetes (only if changed)
+  - name: deploy
+    image: bitnami/kubectl:latest
+    secrets: [kube_config]
+    commands:
+      - |
+        #!/bin/bash
+        set -e
 
- 
+        # Check if we should deploy
- 
+        if [ "${SHOULD_BUILD}" != "true" ]; then
- 
+          echo "⏭️ Skipping deployment - no changes"
+          exit 0
+        fi
+
+        # Setup kubeconfig
+        mkdir -p ~/.kube
+        echo "$KUBE_CONFIG" | base64 -d > ~/.kube/config
+        chmod 600 ~/.kube/config
+
+        NAMESPACE="nxtgauge"
+        DEPLOYMENT_NAME="nxtgauge-admin-solid"
+
+        echo "🚀 Deploying admin panel..."
+
+        # Trigger rolling restart to pick up new image
+        kubectl rollout restart deployment/${DEPLOYMENT_NAME} -n ${NAMESPACE}
+
+        # Wait for rollout to complete
+        echo "⏳ Waiting for rollout to complete..."
+        kubectl rollout status deployment/${DEPLOYMENT_NAME} -n ${NAMESPACE} --timeout=300s
+
+        echo "✅ Admin panel deployed successfully!"
+
+        # Show deployment status
+        kubectl get deployment/${DEPLOYMENT_NAME} -n ${NAMESPACE}
+    when:
+      - evaluate: 'env.SHOULD_BUILD == "true"'
+      - branch: [main, high-performance]
+
+  # Step 4: Notify status
+  - name: notify
+    image: alpine:latest
+    commands:
+      - |
+        if [ "${SHOULD_BUILD}" = "true" ]; then
+          if [ "${CI_PIPELINE_STATUS}" = "success" ]; then
+            echo "✅ Admin panel pipeline completed successfully"
+          else
+            echo "❌ Admin panel pipeline failed"
+          fi
+        else
+          echo "⏭️ Admin panel was skipped (no changes)"
+        fi
+    when:
+      - status: [success, failure]