diff --git a/.tekton/kustomization.yaml b/.tekton/kustomization.yaml
new file mode 100644
index 0000000..db99cd7
--- /dev/null
+++ b/.tekton/kustomization.yaml
@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - pipeline.yaml
diff --git a/.tekton/pipeline.yaml b/.tekton/pipeline.yaml
new file mode 100644
index 0000000..270dab5
--- /dev/null
+++ b/.tekton/pipeline.yaml
@@ -0,0 +1,831 @@
+apiVersion: tekton.dev/v1
+kind: Task
+metadata:
+  name: maidn-e2e-angular-update-manifest
+  namespace: tekton-pipelines
+spec:
+  stepTemplate:
+    env:
+      - name: HOME
+        value: /tekton/home
+    securityContext:
+      runAsNonRoot: true
+      runAsUser: 1000
+      runAsGroup: 1000
+      allowPrivilegeEscalation: false
+      capabilities:
+        drop: [ALL]
+      seccompProfile:
+        type: RuntimeDefault
+  params:
+    - name: manifests-url
+    - name: manifests-branch
+    - name: app-name
+    - name: app-repository
+    - name: image
+    - name: tag
+    - name: environment
+    - name: pr-number
+      default: ""
+    - name: app-url
+      default: ""
+    - name: app-revision
+      default: ""
+    - name: forgejo-base-url
+      default: ""
+    - name: forgejo-owner
+      default: ""
+    - name: manifests-repo
+      default: ""
+  steps:
+    - name: update
+      image: alpine/git:2.47.2
+      env:
+        - name: MANIFESTS_URL
+          value: $(params.manifests-url)
+        - name: MANIFESTS_BRANCH
+          value: $(params.manifests-branch)
+        - name: APP_NAME
+          value: $(params.app-name)
+        - name: APP_REPOSITORY
+          value: $(params.app-repository)
+        - name: IMAGE
+          value: $(params.image)
+        - name: TAG
+          value: $(params.tag)
+        - name: ENVIRONMENT
+          value: $(params.environment)
+        - name: PR_NUMBER
+          value: $(params.pr-number)
+        - name: APP_URL
+          value: $(params.app-url)
+        - name: APP_REVISION
+          value: $(params.app-revision)
+        - name: FORGEJO_BASE_URL
+          value: $(params.forgejo-base-url)
+        - name: FORGEJO_OWNER
+          value: $(params.forgejo-owner)
+        - name: MANIFESTS_REPO
+          value: $(params.manifests-repo)
+      script: |
+        #!/bin/sh
+        set -eu
+        fail() { exit 1; }
+        valid_name() { case "$1" in ''|*[!a-z0-9-]*|-*|*-) fail ;; esac; }
+        valid_revision() { case "$1" in [A-Za-z0-9]*) ;; *) fail ;; esac; case "$1" in *[!A-Za-z0-9._/-]*|*..*|*//*|*/) fail ;; esac; }
+        valid_commit() { [ "${#1}" -eq 40 ] || fail; case "$1" in *[!0-9a-fA-F]*) fail ;; esac; }
+        valid_url() { case "$1" in https://*/*.git) ;; *) fail ;; esac; case "$1" in *[@?#]*) fail ;; esac; }
+        valid_repository() { case "$1" in */*) ;; *) fail ;; esac; case "$1" in *..*|*//*|/*|*/) fail ;; esac; }
+        valid_repository_part() { case "$1" in ''|*[!A-Za-z0-9._-]*|.*|*.) fail ;; esac; }
+        valid_forgejo_base_url() { case "$1" in https://*) ;; *) fail ;; esac; host=${1#https://}; case "$host" in *:*) name=${host%:*}; port=${host##*:}; case "$port" in ''|*[!0-9]*) fail ;; esac ;; *) name=$host ;; esac; case "$name" in ''|*[!A-Za-z0-9.-]*|.*|*.) fail ;; esac; }
+        valid_pr_number() { case "$1" in [1-9]*) ;; *) fail ;; esac; case "$1" in *[!0-9]*) fail ;; esac; [ $((${#APP_NAME} + ${#1} + 4)) -le 63 ] || fail; }
+        valid_name "$APP_NAME"
+        valid_url "$MANIFESTS_URL"
+        valid_revision "$MANIFESTS_BRANCH"
+        valid_repository "$APP_REPOSITORY"
+        valid_commit "$TAG"
+        if [ "$ENVIRONMENT" = production ]; then
+          valid_forgejo_base_url "$FORGEJO_BASE_URL"
+          valid_repository_part "$FORGEJO_OWNER"
+          valid_repository_part "$MANIFESTS_REPO"
+          [ "$MANIFESTS_URL" = "$FORGEJO_BASE_URL/$FORGEJO_OWNER/$MANIFESTS_REPO.git" ] || fail
+          PROMOTION_BRANCH="maidn/promotion-$APP_NAME-$TAG"
+          if git ls-remote --exit-code "$MANIFESTS_URL" "refs/heads/$PROMOTION_BRANCH" >/dev/null 2>&1; then
+            git clone --branch "$PROMOTION_BRANCH" "$MANIFESTS_URL" /tmp/manifests
+          else
+            git clone --branch "$MANIFESTS_BRANCH" "$MANIFESTS_URL" /tmp/manifests
+            git -C /tmp/manifests checkout -b "$PROMOTION_BRANCH"
+          fi
+        else
+          git clone --branch "$MANIFESTS_BRANCH" "$MANIFESTS_URL" /tmp/manifests
+        fi
+        cd /tmp/manifests
+        if [ "$ENVIRONMENT" = preview ]; then
+          valid_pr_number "$PR_NUMBER"
+          valid_url "$APP_URL"
+          valid_revision "$APP_REVISION"
+          app_dir="apps/previews/$APP_NAME-pr-$PR_NUMBER"
+          marker="$app_dir/ownership.yaml"
+          if [ -e "$app_dir" ]; then
+            [ -d "$app_dir" ] && [ ! -L "$app_dir" ] && [ -f "$marker" ] && [ ! -L "$marker" ] || fail
+            expected_marker=$(mktemp)
+            trap 'rm -f "$expected_marker"' EXIT
+            cat > "$expected_marker" <<EOF
+        apiVersion: v1
+        kind: ConfigMap
+        metadata:
+          name: maidn-preview-owner
+          namespace: $APP_NAME-pr-$PR_NUMBER
+          labels:
+            maidn.io/preview-owner: "true"
+            maidn.io/preview-app: "$APP_NAME"
+            maidn.io/preview-pr: "$PR_NUMBER"
+          annotations:
+            maidn.io/preview-repository: "$APP_REPOSITORY"
+        data:
+          app: "$APP_NAME"
+          repository: "$APP_REPOSITORY"
+          pr-number: "$PR_NUMBER"
+        EOF
+            cmp -s "$expected_marker" "$marker" || fail
+          fi
+          git clone "$APP_URL" /tmp/app
+          git -C /tmp/app checkout "$APP_REVISION"
+          [ -f /tmp/app/preview/values.yaml ] || fail
+          mkdir -p "$app_dir"
+          cp /tmp/app/preview/values.yaml "$app_dir/values.yaml"
+          sed -i "s/PLACEHOLDER_PR/$PR_NUMBER/g" "$app_dir/values.yaml"
+          cat > "$marker" <<EOF
+        apiVersion: v1
+        kind: ConfigMap
+        metadata:
+          name: maidn-preview-owner
+          namespace: $APP_NAME-pr-$PR_NUMBER
+          labels:
+            maidn.io/preview-owner: "true"
+            maidn.io/preview-app: "$APP_NAME"
+            maidn.io/preview-pr: "$PR_NUMBER"
+          annotations:
+            maidn.io/preview-repository: "$APP_REPOSITORY"
+        data:
+          app: "$APP_NAME"
+          repository: "$APP_REPOSITORY"
+          pr-number: "$PR_NUMBER"
+        EOF
+          cat > "$app_dir/namespace.yaml" <<EOF
+        apiVersion: v1
+        kind: Namespace
+        metadata:
+          name: $APP_NAME-pr-$PR_NUMBER
+        EOF
+          cat > "$app_dir/release.yaml" <<EOF
+        apiVersion: helm.toolkit.fluxcd.io/v2
+        kind: HelmRelease
+        metadata:
+          name: $APP_NAME
+          namespace: $APP_NAME-pr-$PR_NUMBER
+        spec:
+          interval: 5m
+          chart:
+            spec:
+              chart: ./charts/$APP_NAME
+              sourceRef:
+                kind: GitRepository
+                name: $APP_NAME
+                namespace: flux-system
+          values:
+            image:
+              repository: $IMAGE
+              tag: $TAG
+        EOF
+          cat > "$app_dir/kustomization.yaml" <<EOF
+        apiVersion: kustomize.config.k8s.io/v1beta1
+        kind: Kustomization
+        namespace: $APP_NAME-pr-$PR_NUMBER
+        resources:
+          - namespace.yaml
+          - ownership.yaml
+          - release.yaml
+        EOF
+          root=apps/previews/kustomization.yaml
+          grep -q '^resources:' "$root" || fail
+          grep -qxF "  - $APP_NAME-pr-$PR_NUMBER" "$root" 2>/dev/null || printf '  - %s-pr-%s\n' "$APP_NAME" "$PR_NUMBER" >> "$root"
+        elif [ "$ENVIRONMENT" = staging ]; then
+          app_dir="apps/staging/$APP_NAME"
+          root=apps/staging/kustomization.yaml
+          if [ -e "$app_dir/release.yaml" ]; then
+            [ -d "$app_dir" ] && [ ! -L "$app_dir" ] && [ -f "$app_dir/release.yaml" ] && [ ! -L "$app_dir/release.yaml" ] || fail
+            sed -i -E "s|^([[:space:]]*tag:).*|\1 $TAG|" "$app_dir/release.yaml"
+            grep -qxF "  namespace: staging" "$app_dir/release.yaml" || sed -i "/^  name: $APP_NAME$/a\  namespace: staging" "$app_dir/release.yaml"
+            grep -qxF "  namespace: staging" "$app_dir/release.yaml" || fail
+          else
+            [ ! -e "$app_dir" ] || fail
+            mkdir -p "$app_dir"
+            cat > "$app_dir/release.yaml" <<EOF
+        apiVersion: helm.toolkit.fluxcd.io/v2
+        kind: HelmRelease
+        metadata:
+          name: $APP_NAME
+          namespace: staging
+        spec:
+          interval: 5m
+          chart:
+            spec:
+              chart: ./charts/$APP_NAME
+              sourceRef:
+                kind: GitRepository
+                name: $APP_NAME
+                namespace: flux-system
+          values:
+            image:
+              repository: $IMAGE
+              tag: $TAG
+        EOF
+            cat > "$app_dir/kustomization.yaml" <<EOF
+        apiVersion: kustomize.config.k8s.io/v1beta1
+        kind: Kustomization
+        resources:
+          - release.yaml
+        EOF
+            if [ ! -e "$root" ]; then
+              mkdir -p "$(dirname "$root")"
+              cat > "$root" <<EOF
+        apiVersion: kustomize.config.k8s.io/v1beta1
+        kind: Kustomization
+        resources:
+        EOF
+            fi
+            [ -f "$root" ] && [ ! -L "$root" ] && grep -qx 'resources:' "$root" || fail
+            grep -qxF "  - $APP_NAME" "$root" 2>/dev/null || printf '  - %s\n' "$APP_NAME" >> "$root"
+          fi
+        elif [ "$ENVIRONMENT" = production ]; then
+          app_dir="apps/production/$APP_NAME"
+          root=apps/production/kustomization.yaml
+          if [ -e "$app_dir" ]; then
+            [ -d "$app_dir" ] && [ ! -L "$app_dir" ] || fail
+          fi
+          mkdir -p "$app_dir"
+          for file in "$app_dir/release.yaml" "$app_dir/kustomization.yaml"; do
+            [ ! -e "$file" ] || { [ -f "$file" ] && [ ! -L "$file" ]; } || fail
+          done
+          cat > "$app_dir/release.yaml" <<EOF
+        apiVersion: helm.toolkit.fluxcd.io/v2
+        kind: HelmRelease
+        metadata:
+          name: $APP_NAME
+          namespace: production
+        spec:
+          interval: 5m
+          chart:
+            spec:
+              chart: ./charts/$APP_NAME
+              sourceRef:
+                kind: GitRepository
+                name: $APP_NAME
+                namespace: flux-system
+          values:
+            image:
+              repository: $IMAGE
+              tag: $TAG
+        EOF
+          cat > "$app_dir/kustomization.yaml" <<EOF
+        apiVersion: kustomize.config.k8s.io/v1beta1
+        kind: Kustomization
+        resources:
+          - release.yaml
+        EOF
+          if [ ! -e "$root" ]; then
+            mkdir -p "$(dirname "$root")"
+            cat > "$root" <<EOF
+        apiVersion: kustomize.config.k8s.io/v1beta1
+        kind: Kustomization
+        resources:
+        EOF
+          fi
+          [ -f "$root" ] && [ ! -L "$root" ] && grep -qx 'resources:' "$root" || fail
+          grep -qxF "  - $APP_NAME" "$root" 2>/dev/null || printf '  - %s\n' "$APP_NAME" >> "$root"
+        else
+          fail
+        fi
+        git config user.name Maidn
+        git config user.email maidn@free-maidn.com
+        git add apps
+        git diff --cached --quiet || git commit -m "chore: deploy $APP_NAME $TAG"
+        if [ "$ENVIRONMENT" = production ]; then
+          git push origin "HEAD:$PROMOTION_BRANCH"
+          credentials=$(printf 'url=%s\n\n' "$MANIFESTS_URL" | GIT_TERMINAL_PROMPT=0 git credential fill)
+          forgejo_user=$(printf '%s\n' "$credentials" | sed -n 's/^username=//p')
+          forgejo_password=$(printf '%s\n' "$credentials" | sed -n 's/^password=//p')
+          unset credentials
+          [ -n "$forgejo_user" ] && [ -n "$forgejo_password" ] || fail
+          forgejo_auth=$(printf '%s:%s' "$forgejo_user" "$forgejo_password" | base64 | tr -d '\n')
+          unset forgejo_user forgejo_password
+          pr_endpoint="$FORGEJO_BASE_URL/api/v1/repos/$FORGEJO_OWNER/$MANIFESTS_REPO/pulls"
+          pr_query="$pr_endpoint?state=open&head=$FORGEJO_OWNER%3A$PROMOTION_BRANCH"
+          pr_response=$(mktemp)
+          pr_body=$(mktemp)
+          trap 'rm -f "$pr_response" "$pr_body"' EXIT
+          open_pr_count() {
+            grep -q '^[[:space:]]*\[' "$pr_response" || fail
+            grep -o '"number"[[:space:]]*:[[:space:]]*[0-9][0-9]*' "$pr_response" | wc -l | tr -d ' '
+          }
+          wget -q -O "$pr_response" --header="Authorization: Basic $forgejo_auth" "$pr_query" || fail
+          case "$(open_pr_count)" in
+            0)
+              printf '{"title":"chore: promote %s %s","head":"%s","base":"%s"}' "$APP_NAME" "$TAG" "$PROMOTION_BRANCH" "$MANIFESTS_BRANCH" > "$pr_body"
+              wget -q -O "$pr_response" --header="Authorization: Basic $forgejo_auth" --header="Content-Type: application/json" --post-file "$pr_body" "$pr_endpoint" || true
+              wget -q -O "$pr_response" --header="Authorization: Basic $forgejo_auth" "$pr_query" || fail
+              [ "$(open_pr_count)" = 1 ] || fail
+              ;;
+            1) ;;
+            *) fail ;;
+          esac
+          promotion_pr_number=$(grep -o '"number"[[:space:]]*:[[:space:]]*[0-9][0-9]*' "$pr_response" | sed -n '1s/.*:[[:space:]]*//p')
+          valid_pr_number "$promotion_pr_number"
+          printf 'Promotion PR opened or updated: %s/%s/%s/pulls/%s\n' "$FORGEJO_BASE_URL" "$FORGEJO_OWNER" "$MANIFESTS_REPO" "$promotion_pr_number"
+          unset forgejo_auth
+        else
+          git push origin "$MANIFESTS_BRANCH"
+        fi
+---
+apiVersion: tekton.dev/v1
+kind: Task
+metadata:
+  name: maidn-e2e-angular-wait-delivery
+  namespace: tekton-pipelines
+spec:
+  params:
+    - name: app-name
+    - name: environment
+    - name: image
+    - name: tag
+    - name: pr-number
+      default: ""
+  results:
+    - name: preview-url
+      description: Verified preview or staging HTTPRoute URL.
+  stepTemplate:
+    env:
+      - name: HOME
+        value: /tmp
+    securityContext:
+      runAsNonRoot: true
+      runAsUser: 1000
+      runAsGroup: 1000
+      allowPrivilegeEscalation: false
+      capabilities:
+        drop: [ALL]
+      seccompProfile:
+        type: RuntimeDefault
+  steps:
+    - name: wait-for-traffic
+      image: alpine/k8s:1.33.4
+      env:
+        - name: APP_NAME
+          value: $(params.app-name)
+        - name: ENVIRONMENT
+          value: $(params.environment)
+        - name: PR_NUMBER
+          value: $(params.pr-number)
+        - name: IMAGE
+          value: $(params.image)
+        - name: TAG
+          value: $(params.tag)
+        - name: RESULT_PATH
+          value: $(results.preview-url.path)
+      script: |
+        #!/bin/sh
+        set -eu
+        fail() { exit 1; }
+        valid_app() { case "$1" in ''|*[!a-z0-9-]*|-*|*-) fail ;; esac; [ "${#1}" -le 47 ] || fail; }
+        valid_pr() { case "$1" in [1-9]*) ;; *) fail ;; esac; case "$1" in *[!0-9]*) fail ;; esac; }
+        valid_image() { case "$1" in ''|/*|*/|*..*|*//*|*[!A-Za-z0-9._/:-]*) fail ;; esac; }
+        valid_tag() { [ "${#1}" -eq 40 ] || fail; case "$1" in *[!0-9a-fA-F]*) fail ;; esac; }
+        valid_host() { case "$1" in ''|.*|*.) fail ;; esac; case "$1" in *[!A-Za-z0-9.-]*) fail ;; esac; }
+        valid_app "$APP_NAME"
+        valid_image "$IMAGE"
+        valid_tag "$TAG"
+        case "$ENVIRONMENT" in
+          preview)
+            valid_pr "$PR_NUMBER"
+            namespace="$APP_NAME-pr-$PR_NUMBER"
+            ;;
+          staging) namespace=staging ;;
+          *) fail ;;
+        esac
+        attempts=120
+        while :; do
+          deployed_image=$(kubectl -n "$namespace" get "deployment/$APP_NAME" -o jsonpath='{.spec.template.spec.containers[0].image}' 2>/dev/null || true)
+          [ "$deployed_image" = "$IMAGE:$TAG" ] && break
+          attempts=$((attempts - 1))
+          [ "$attempts" -gt 0 ] || fail
+          sleep 5
+        done
+        kubectl -n "$namespace" rollout status "deployment/$APP_NAME" --timeout=600s
+        kubectl -n "$namespace" wait --for=condition=Available "deployment/$APP_NAME" --timeout=600s
+        kubectl -n "$namespace" wait --for=jsonpath='{.status.parents[0].conditions[?(@.type=="Accepted")].status}'=True "httproute/$APP_NAME" --timeout=600s
+        host=$(kubectl -n "$namespace" get "httproute/$APP_NAME" -o jsonpath='{.spec.hostnames[0]}')
+        valid_host "$host"
+        url="https://$host"
+        attempts=12
+        while ! wget -q --spider --timeout=10 "$url" >/dev/null 2>&1; do
+          attempts=$((attempts - 1))
+          [ "$attempts" -gt 0 ] || fail
+          sleep 5
+        done
+        printf '%s' "$url" > "$RESULT_PATH"
+---
+apiVersion: tekton.dev/v1
+kind: Task
+metadata:
+  name: maidn-e2e-angular-report-delivery
+  namespace: tekton-pipelines
+spec:
+  params:
+    - name: app-name
+    - name: app-repository
+    - name: pr-number
+    - name: event-action
+    - name: pipeline-run
+    - name: clone-status
+    - name: build-status
+    - name: push-status
+    - name: update-status
+    - name: readiness-status
+    - name: cleanup-status
+  volumes:
+    - name: delivery-status
+      emptyDir: {}
+  stepTemplate:
+    securityContext:
+      runAsNonRoot: true
+      runAsUser: 1000
+      runAsGroup: 1000
+      allowPrivilegeEscalation: false
+      capabilities:
+        drop: [ALL]
+      seccompProfile:
+        type: RuntimeDefault
+  steps:
+    - name: read-preview-url
+      image: alpine/k8s:1.33.4
+      env:
+        - name: APP_NAME
+          value: $(params.app-name)
+        - name: PR_NUMBER
+          value: $(params.pr-number)
+        - name: EVENT_ACTION
+          value: $(params.event-action)
+        - name: READINESS_STATUS
+          value: $(params.readiness-status)
+      volumeMounts:
+        - name: delivery-status
+          mountPath: /delivery
+      script: |
+        #!/bin/sh
+        set -eu
+        fail() { exit 1; }
+        valid_app() { case "$1" in ''|*[!a-z0-9-]*|-*|*-) fail ;; esac; [ "${#1}" -le 47 ] || fail; }
+        valid_pr() { case "$1" in [1-9]*) ;; *) fail ;; esac; case "$1" in *[!0-9]*) fail ;; esac; }
+        valid_host() { case "$1" in ''|.*|*.) fail ;; esac; case "$1" in *[!A-Za-z0-9.-]*) fail ;; esac; }
+        [ "$EVENT_ACTION" = closed ] && exit 0
+        [ "$READINESS_STATUS" = Succeeded ] || exit 0
+        valid_app "$APP_NAME"
+        valid_pr "$PR_NUMBER"
+        host=$(kubectl -n "$APP_NAME-pr-$PR_NUMBER" get "httproute/$APP_NAME" -o jsonpath='{.spec.hostnames[0]}')
+        valid_host "$host"
+        printf 'https://%s' "$host" > /delivery/preview-url
+    - name: update-pr-comment
+      image: python:3.13-alpine
+      env:
+        - name: FORGEJO_BASE_URL
+          value: "https://git.pingu.pw"
+        - name: APP_NAME
+          value: $(params.app-name)
+        - name: APP_REPOSITORY
+          value: $(params.app-repository)
+        - name: PR_NUMBER
+          value: $(params.pr-number)
+        - name: EVENT_ACTION
+          value: $(params.event-action)
+        - name: PIPELINE_RUN
+          value: $(params.pipeline-run)
+        - name: CLONE_STATUS
+          value: $(params.clone-status)
+        - name: BUILD_STATUS
+          value: $(params.build-status)
+        - name: PUSH_STATUS
+          value: $(params.push-status)
+        - name: UPDATE_STATUS
+          value: $(params.update-status)
+        - name: READINESS_STATUS
+          value: $(params.readiness-status)
+        - name: CLEANUP_STATUS
+          value: $(params.cleanup-status)
+        - name: FORGEJO_DELIVERY_TOKEN
+          valueFrom:
+            secretKeyRef:
+              name: forgejo-delivery-status
+              key: token
+        - name: TEKTON_DASHBOARD_URL
+          valueFrom:
+            configMapKeyRef:
+              name: maidn-preview-delivery-config
+              key: tekton-dashboard-url
+              optional: true
+      volumeMounts:
+        - name: delivery-status
+          mountPath: /delivery
+      script: |
+        import json
+        import os
+        import re
+        import sys
+        from pathlib import Path
+        from urllib.parse import quote, urlsplit
+        from urllib.request import Request, urlopen
+
+        marker = "<!-- maidn-delivery-status -->"
+        statuses = {"Succeeded", "Failed", "None", "Skipped", "Cancelled", "Unknown", "Pending"}
+
+        def fail():
+            raise ValueError
+
+        def origin(value):
+            parsed = urlsplit(value)
+            if parsed.scheme != "https" or not parsed.netloc or parsed.username or parsed.password or parsed.path or parsed.query or parsed.fragment:
+                fail()
+            if not re.fullmatch(r"[A-Za-z0-9.-]+(?::[0-9]{1,5})?", parsed.netloc):
+                fail()
+            return value
+
+        def status(name):
+            value = os.environ.get(name, "Unknown")
+            return value if value in statuses else "Unknown"
+
+        def request(method, endpoint, payload=None):
+            data = None if payload is None else json.dumps(payload).encode()
+            req = Request(endpoint, data=data, method=method)
+            req.add_header("Authorization", "token " + token)
+            req.add_header("Content-Type", "application/json")
+            with urlopen(req, timeout=15) as response:
+                return json.load(response) if response.length != 0 else None
+
+        try:
+            base = origin(os.environ["FORGEJO_BASE_URL"])
+            app = os.environ["APP_NAME"]
+            repository = os.environ["APP_REPOSITORY"]
+            pr = os.environ["PR_NUMBER"]
+            run = os.environ["PIPELINE_RUN"]
+            action = os.environ["EVENT_ACTION"]
+            token = os.environ["FORGEJO_DELIVERY_TOKEN"]
+            if not re.fullmatch(r"[a-z0-9](?:[a-z0-9-]{0,45}[a-z0-9])?", app) or not re.fullmatch(r"[1-9][0-9]{0,8}", pr) or not re.fullmatch(r"[a-z0-9](?:[a-z0-9.-]{0,61}[a-z0-9])?", run) or action not in {"opened", "reopened", "synchronize", "closed"} or not token:
+                fail()
+            owner, repo = repository.split("/", 1)
+            if not all(re.fullmatch(r"[A-Za-z0-9](?:[A-Za-z0-9._-]*[A-Za-z0-9])?", part) and ".." not in part for part in (owner, repo)):
+                fail()
+            task_status = {name: status(name) for name in ("CLONE_STATUS", "BUILD_STATUS", "PUSH_STATUS", "UPDATE_STATUS", "READINESS_STATUS", "CLEANUP_STATUS")}
+            if action == "closed":
+                delivery = "closed"
+                preview = "Preview cleanup requested."
+            elif task_status["READINESS_STATUS"] == "Succeeded" and task_status["UPDATE_STATUS"] == "Succeeded":
+                delivery = "ready"
+                preview_url = Path("/delivery/preview-url").read_text() if Path("/delivery/preview-url").is_file() else ""
+                parsed_preview = urlsplit(preview_url)
+                if parsed_preview.scheme != "https" or not re.fullmatch(r"[A-Za-z0-9.-]+", parsed_preview.netloc) or parsed_preview.path or parsed_preview.query or parsed_preview.fragment:
+                    fail()
+                preview = "Preview: " + preview_url
+            else:
+                delivery = "failed"
+                preview = "Preview unavailable."
+            dashboard = os.environ.get("TEKTON_DASHBOARD_URL", "").strip()
+            run_text = "PipelineRun: `" + run + "`"
+            if dashboard:
+                dashboard = origin(dashboard.rstrip("/"))
+                run_text += " ([details](" + dashboard + "/#/pipelineruns/tekton-pipelines/" + quote(run, safe="") + "))"
+            summary = ", ".join(name.removesuffix("_STATUS").lower() + "=" + value for name, value in task_status.items())
+            body = "\n".join((marker, "## Maidn delivery", "Status: **" + delivery + "**", preview, run_text, "Summary: " + summary))
+            endpoint = base + "/api/v1/repos/" + quote(owner, safe="") + "/" + quote(repo, safe="") + "/issues/" + pr + "/comments"
+            comments = request("GET", endpoint + "?limit=100")
+            matches = [comment for comment in comments if marker in comment.get("body", "")]
+            if len(matches) > 1:
+                fail()
+            if matches:
+                request("PATCH", base + "/api/v1/repos/" + quote(owner, safe="") + "/" + quote(repo, safe="") + "/issues/comments/" + str(matches[0]["id"]), {"body": body})
+            else:
+                request("POST", endpoint, {"body": body})
+        except Exception:
+            sys.exit("delivery status update failed")
+---
+apiVersion: tekton.dev/v1
+kind: Pipeline
+metadata:
+  name: maidn-e2e-angular
+  namespace: tekton-pipelines
+spec:
+  params:
+    - name: git-url
+      default: "https://git.pingu.pw/Maidn/maidn-e2e-angular.git"
+    - name: git-revision
+      default: "main"
+    - name: branch
+      default: "main"
+    - name: event-type
+      default: push
+    - name: event-action
+      default: ""
+    - name: pr-number
+      default: ""
+    - name: image
+      default: "registry.pingu.pw/test-org-2/maidn-e2e-angular"
+    - name: manifests-url
+      default: "https://git.pingu.pw/test-org-2/cicd-deployment-manifests.git"
+    - name: manifests-branch
+      default: "main"
+    - name: forgejo-base-url
+      default: "https://git.pingu.pw"
+    - name: forgejo-owner
+      default: "test-org-2"
+    - name: manifests-repo
+      default: "cicd-deployment-manifests"
+  tasks:
+    - name: build-layer
+      when:
+        - input: $(params.event-action)
+          operator: notin
+          values: [closed]
+      taskRef:
+        name: maidn-node-static-image
+      params:
+        - name: url
+          value: "https://git.pingu.pw/Maidn/maidn-e2e-angular.git"
+        - name: revision
+          value: $(params.git-revision)
+        - name: image
+          value: $(params.image)
+
+        - name: output-directory
+          value: "dist/maidn-e2e-angular"
+        - name: build-configuration
+          value: "ci"
+
+    - name: update-preview
+      runAfter: [build-layer]
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [pull_request]
+        - input: $(params.event-action)
+          operator: in
+          values: [opened, reopened, synchronize]
+      taskRef:
+        name: maidn-e2e-angular-update-manifest
+      params:
+        - name: manifests-url
+          value: $(params.manifests-url)
+        - name: manifests-branch
+          value: $(params.manifests-branch)
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: app-repository
+          value: "Maidn/maidn-e2e-angular"
+        - name: image
+          value: $(params.image)
+        - name: tag
+          value: $(params.git-revision)
+        - name: environment
+          value: preview
+        - name: pr-number
+          value: $(params.pr-number)
+        - name: app-url
+          value: "https://git.pingu.pw/Maidn/maidn-e2e-angular.git"
+        - name: app-revision
+          value: $(params.git-revision)
+    - name: update-staging
+      runAfter: [build-layer]
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [push]
+        - input: $(params.branch)
+          operator: in
+          values: ["main"]
+      taskRef:
+        name: maidn-e2e-angular-update-manifest
+      params:
+        - name: manifests-url
+          value: $(params.manifests-url)
+        - name: manifests-branch
+          value: $(params.manifests-branch)
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: app-repository
+          value: "Maidn/maidn-e2e-angular"
+        - name: image
+          value: $(params.image)
+        - name: tag
+          value: $(params.git-revision)
+        - name: environment
+          value: staging
+    - name: wait-preview
+      runAfter: [update-preview]
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [pull_request]
+        - input: $(params.event-action)
+          operator: in
+          values: [opened, reopened, synchronize]
+      taskRef:
+        name: maidn-e2e-angular-wait-delivery
+      params:
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: environment
+          value: preview
+        - name: image
+          value: $(params.image)
+        - name: tag
+          value: $(params.git-revision)
+        - name: pr-number
+          value: $(params.pr-number)
+    - name: wait-staging
+      runAfter: [update-staging]
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [push]
+        - input: $(params.branch)
+          operator: in
+          values: ["main"]
+      taskRef:
+        name: maidn-e2e-angular-wait-delivery
+      params:
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: environment
+          value: staging
+        - name: image
+          value: $(params.image)
+        - name: tag
+          value: $(params.git-revision)
+    - name: promote-production
+      runAfter: [build-layer]
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [promotion]
+        - input: $(params.branch)
+          operator: in
+          values: ["production"]
+      taskRef:
+        name: maidn-e2e-angular-update-manifest
+      params:
+        - name: manifests-url
+          value: $(params.manifests-url)
+        - name: manifests-branch
+          value: $(params.manifests-branch)
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: app-repository
+          value: "Maidn/maidn-e2e-angular"
+        - name: image
+          value: $(params.image)
+        - name: tag
+          value: $(params.git-revision)
+        - name: environment
+          value: production
+        - name: forgejo-base-url
+          value: $(params.forgejo-base-url)
+        - name: forgejo-owner
+          value: $(params.forgejo-owner)
+        - name: manifests-repo
+          value: $(params.manifests-repo)
+    - name: cleanup-preview
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [pull_request]
+        - input: $(params.event-action)
+          operator: in
+          values: [closed]
+      taskRef:
+        name: maidn-preview-orphan-reconciler
+      params:
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: pr-number
+          value: $(params.pr-number)
+        - name: app-repository
+          value: "Maidn/maidn-e2e-angular"
+  finally:
+    - name: report-delivery
+      when:
+        - input: $(params.event-type)
+          operator: in
+          values: [pull_request]
+      taskRef:
+        name: maidn-e2e-angular-report-delivery
+      params:
+        - name: app-name
+          value: "maidn-e2e-angular"
+        - name: app-repository
+          value: "Maidn/maidn-e2e-angular"
+        - name: pr-number
+          value: $(params.pr-number)
+        - name: event-action
+          value: $(params.event-action)
+        - name: pipeline-run
+          value: $(context.pipelineRun.name)
+        - name: clone-status
+          value: $(tasks.build-layer.status)
+        - name: build-status
+          value: $(tasks.build-layer.status)
+        - name: push-status
+          value: $(tasks.build-layer.status)
+        - name: update-status
+          value: $(tasks.update-preview.status)
+        - name: readiness-status
+          value: $(tasks.wait-preview.status)
+        - name: cleanup-status
+          value: $(tasks.cleanup-preview.status)