feat(helm): add frontend deployment and service templates

Simple nginx-based deployment serving the React SPA on port 80,
no runtime env or volumes required.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

infrastructure/helm/templates/frontend-deployment.yaml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "tod.fullname" . }}-frontend
+  labels:
+    {{- include "tod.componentLabels" (dict "context" . "component" "frontend") | nindent 4 }}
+spec:
+  replicas: {{ .Values.frontend.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "tod.componentSelectorLabels" (dict "context" . "component" "frontend") | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "tod.componentSelectorLabels" (dict "context" . "component" "frontend") | nindent 8 }}
+    spec:
+      containers:
+        - name: frontend
+          image: "{{ .Values.frontend.image.repository }}:{{ .Values.frontend.image.tag }}"
+          imagePullPolicy: {{ .Values.frontend.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 3
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.frontend.resources | nindent 12 }}

infrastructure/helm/templates/frontend-service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "tod.fullname" . }}-frontend
+  labels:
+    {{- include "tod.componentLabels" (dict "context" . "component" "frontend") | nindent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      port: {{ .Values.frontend.service.port }}
+      targetPort: http
+      protocol: TCP
+  selector:
+    {{- include "tod.componentSelectorLabels" (dict "context" . "component" "frontend") | nindent 4 }}