Update monitoring packages to latest versions

- Updated all OpenTelemetry packages to latest versions:
  - opentelemetry-api: 1.27.0 → 1.39.1
  - opentelemetry-sdk: 1.27.0 → 1.39.1
  - opentelemetry-exporter-otlp-proto-grpc: 1.27.0 → 1.39.1
  - opentelemetry-exporter-otlp-proto-http: 1.27.0 → 1.39.1
  - opentelemetry-instrumentation-fastapi: 0.48b0 → 0.60b1
  - opentelemetry-instrumentation-httpx: 0.48b0 → 0.60b1
  - opentelemetry-instrumentation-redis: 0.48b0 → 0.60b1
  - opentelemetry-instrumentation-sqlalchemy: 0.48b0 → 0.60b1

- Removed prometheus-client==0.23.1 from all services
- Unified all services to use the same monitoring package versions

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

infrastructure/kubernetes/add-monitoring-config.sh

@@ -0,0 +1,94 @@
+#!/bin/bash
+# Script to add OpenTelemetry monitoring configuration to all service deployments
+# This adds the necessary environment variables for SigNoz integration
+# Note: No Prometheus annotations needed - all metrics go via OTLP push
+
+set -e
+
+SERVICES=(
+  "ai-insights"
+  "distribution"
+  "external"
+  "forecasting"
+  "inventory"
+  "notification"
+  "orchestrator"
+  "orders"
+  "pos"
+  "procurement"
+  "production"
+  "recipes"
+  "sales"
+  "suppliers"
+  "tenant"
+  "training"
+  "frontend"
+)
+
+echo "Adding OpenTelemetry configuration to all services..."
+echo ""
+
+for service in "${SERVICES[@]}"; do
+  SERVICE_FILE="infrastructure/kubernetes/base/components/${service}/${service}-service.yaml"
+
+  if [ ! -f "$SERVICE_FILE" ]; then
+    echo "⚠️  Skipping $service (file not found: $SERVICE_FILE)"
+    continue
+  fi
+
+  echo "📝 Processing $service-service..."
+
+  # Check if already has OTEL env vars
+  if grep -q "OTEL_COLLECTOR_ENDPOINT" "$SERVICE_FILE"; then
+    echo "  ✓ Already has OpenTelemetry configuration"
+  else
+    echo "  + Adding OpenTelemetry environment variables"
+    # Create a YAML patch
+    cat > "/tmp/${service}-otel-patch.yaml" << 'EOF'
+        env:
+        # OpenTelemetry Configuration
+        - name: OTEL_COLLECTOR_ENDPOINT
+          value: "http://signoz-otel-collector.signoz.svc.cluster.local:4318"
+        - name: OTEL_EXPORTER_OTLP_ENDPOINT
+          value: "http://signoz-otel-collector.signoz.svc.cluster.local:4318"
+        - name: OTEL_SERVICE_NAME
+          value: "SERVICE_NAME_PLACEHOLDER"
+        - name: ENABLE_TRACING
+          value: "true"
+        # Logging Configuration
+        - name: OTEL_LOGS_EXPORTER
+          value: "otlp"
+        - name: OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED
+          value: "true"
+        # Metrics Configuration (all via OTLP, no Prometheus)
+        - name: ENABLE_OTEL_METRICS
+          value: "true"
+        - name: ENABLE_SYSTEM_METRICS
+          value: "true"
+EOF
+    # Replace placeholder with actual service name
+    sed -i.bak "s/SERVICE_NAME_PLACEHOLDER/${service}-service/g" "/tmp/${service}-otel-patch.yaml"
+
+    echo "  ⚠️  Manual step required: Add env vars from /tmp/${service}-otel-patch.yaml"
+    echo "     Insert after 'ports:' section and before 'envFrom:' in $SERVICE_FILE"
+  fi
+
+  echo "  ✅ $service-service processed"
+  echo ""
+done
+
+echo ""
+echo "✅ Monitoring configuration prepared for all services!"
+echo ""
+echo "Next steps:"
+echo "1. Review the changes and manually add env vars from /tmp/*-otel-patch.yaml files"
+echo "2. Update SigNoz: helm upgrade signoz signoz/signoz -n signoz -f infrastructure/helm/signoz-values-dev.yaml"
+echo "3. Restart services: kubectl rollout restart deployment -n bakery-ia"
+echo "4. Check SigNoz UI at https://monitoring.bakery-ia.local for incoming data"
+echo ""
+echo "What metrics you'll see:"
+echo "  - HTTP requests (method, endpoint, status code, duration)"
+echo "  - System metrics (CPU, memory usage per process)"
+echo "  - System-wide metrics (total CPU, memory, disk I/O, network I/O)"
+echo "  - Custom business metrics (registrations, orders, etc.)"
+echo "  - All pushed via OpenTelemetry OTLP (no Prometheus scraping)"