Add launch pipeline and idea marketplace seed commands

Jenkinsfile

@@ -6,6 +6,13 @@ pipeline {
         disableConcurrentBuilds()
         skipDefaultCheckout(true)
     }
+    parameters {
+        booleanParam(
+            name: 'RUN_DEMO_PURGE',
+            defaultValue: false,
+            description: 'Run a one-time demo catalogue purge before the normal idea marketplace seed and launch prep.'
+        )
+    }
     environment {
         PYENVPIPELINE_VIRTUALENV = '1'
         GIT_SSH_COMMAND = 'ssh -o StrictHostKeyChecking=accept-new'
@@ -81,8 +88,14 @@ PY
                     cp "${JOB_BASE_NAME}/ocyan.json" "${JOB_BASE_NAME}/${JOB_BASE_NAME}.json"
                     pip install ruff vdt.versionplugin.wheel
                     pip install --upgrade "setuptools==69.5.1" wheel
+                    python3 scripts/validate_payment_provider_config.py
                     manage.py migrate --no-input --skip-checks
-                    manage.py purge_demo_data --keep-only-idea-products --skip-checks
+                    if [ "${RUN_DEMO_PURGE}" = "true" ]; then
+                        manage.py purge_demo_data
+                    fi
+                    manage.py seed_idea_marketplace
+                    manage.py prepare_idea_marketplace_launch --apply-homepage-copy --purge-demo-pages
+                    manage.py validate_idea_marketplace_launch
                     manage.py collectstatic --no-input --verbosity=0
                     pip install "httpx<0.28"
                 '''

mandelstudio/content_hygiene.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+from typing import Iterable
+
+
+DEMO_MARKERS: tuple[str, ...] = (
+    "demo",
+    "dummy",
+    "sample",
+    "lorem",
+    "placeholder",
+    "sandbox",
+    "staging",
+    "prototype",
+    "template-only",
+)
+
+# Known legacy/demo pages that should never surface on production.
+BLOCKED_DEMO_PAGE_SLUGS: tuple[str, ...] = (
+    "starter-website-2",
+    "business-website-2",
+)
+
+
+def contains_demo_marker(values: Iterable[str | None]) -> bool:
+    for raw_value in values:
+        if not raw_value:
+            continue
+        lowered = raw_value.lower()
+        if any(marker in lowered for marker in DEMO_MARKERS):
+            return True
+    return False
+
+
+def is_blocked_demo_slug(value: str | None) -> bool:
+    if not value:
+        return False
+    return value.lower() in BLOCKED_DEMO_PAGE_SLUGS

mandelstudio/idea_marketplace.py

@@ -0,0 +1,465 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from decimal import Decimal
+
+from django.conf import settings
+from django.db.models import Q
+from django.utils.text import slugify
+
+from oscar.core.loading import get_model
+
+from mandelstudio.content_hygiene import DEMO_MARKERS
+
+
+IDEA_PRODUCT_CLASS_NAME = "Idea Product"
+DIGITAL_IDEAS_CATEGORY_NAME = "Digital Ideas"
+SHORT_DESCRIPTION_ATTRIBUTE_CODE = "short_description"
+FULL_DESCRIPTION_ATTRIBUTE_CODE = "full_description"
+IDEA_PARTNER_NAME = "Mandel Blog Studio"
+
+
+@dataclass(frozen=True)
+class IdeaSeedItem:
+    title: str
+    short_description: str
+    full_description: str
+    price_eur: Decimal
+
+
+IDEA_PRODUCTS: tuple[IdeaSeedItem, ...] = (
+    IdeaSeedItem(
+        title="B2B Webshop Starter Blueprint",
+        short_description=(
+            "Launch a B2B webshop with a quote-first buying flow and enterprise-ready trust structure. "
+            "Get a clear execution path from positioning to first qualified orders."
+        ),
+        full_description=(
+            "Introduction\n"
+            "A practical B2B ecommerce blueprint for teams that need to sell complex offers with confidence.\n\n"
+            "Problem it solves\n"
+            "- Generic webshop setups underperform in B2B because they ignore quote-first journeys and multi-stakeholder buying.\n"
+            "- Sales and marketing handoff is often unclear, which slows deal velocity.\n\n"
+            "Step-by-step concept\n"
+            "1. Define ICP and buying committee signals.\n"
+            "2. Map quote-first vs direct checkout decision rules.\n"
+            "3. Build page architecture for trust, proof, and qualification.\n"
+            "4. Implement lead-to-order routing between website and sales ops.\n"
+            "5. Run a 90-day optimization loop with conversion checkpoints.\n\n"
+            "Tech stack\n"
+            "- Django + Oscar commerce core\n"
+            "- Wagtail CMS for structured sales content\n"
+            "- Analytics and event tracking for funnel visibility\n\n"
+            "Business value\n"
+            "- Faster sales-qualified lead capture\n"
+            "- Lower friction for enterprise buyers\n"
+            "- Higher conversion from product page to qualified pipeline\n\n"
+            "Who it is for\n"
+            "Founders, growth teams, and B2B operators launching or rebuilding a serious ecommerce motion."
+        ),
+        price_eur=Decimal("99.00"),
+    ),
+    IdeaSeedItem(
+        title="AI Product Description System",
+        short_description=(
+            "Scale product copy with AI while preserving brand tone, SEO intent, and quality control. "
+            "Turn catalog chaos into a repeatable content engine your team can trust."
+        ),
+        full_description=(
+            "Introduction\n"
+            "A production content system for generating and governing high-quality product descriptions at scale.\n\n"
+            "Problem it solves\n"
+            "- Manual copywriting does not scale across growing catalogs.\n"
+            "- Uncontrolled AI output introduces inconsistency and factual risk.\n\n"
+            "Step-by-step concept\n"
+            "1. Define attribute schema and content rules per category.\n"
+            "2. Build prompt templates linked to taxonomy fields.\n"
+            "3. Add QA gates for accuracy, tone, and compliance.\n"
+            "4. Localize with multilingual adaptation rules.\n"
+            "5. Monitor quality with an editorial review workflow.\n\n"
+            "Tech stack\n"
+            "- Django/Wagtail content governance\n"
+            "- AI model orchestration with prompt templates\n"
+            "- Validation layer for quality and policy checks\n\n"
+            "Business value\n"
+            "- Faster time-to-publish for new products\n"
+            "- Consistent conversion-focused copy\n"
+            "- Reduced editorial costs with better control\n\n"
+            "Who it is for\n"
+            "Ecommerce teams, marketplaces, and catalog-heavy brands that need reliable AI-assisted copy operations."
+        ),
+        price_eur=Decimal("49.00"),
+    ),
+    IdeaSeedItem(
+        title="High-Converting Landing Page Framework",
+        short_description=(
+            "Build landing pages that convert with a proven structure for message clarity, proof, and CTA flow. "
+            "Stop guessing and launch with a repeatable conversion framework."
+        ),
+        full_description=(
+            "Introduction\n"
+            "A practical landing-page framework focused on conversion, not visual noise.\n\n"
+            "Problem it solves\n"
+            "- Teams often launch pages without a clear conversion narrative.\n"
+            "- Weak proof and CTA sequencing create drop-off before action.\n\n"
+            "Step-by-step concept\n"
+            "1. Align offer with one core audience intent.\n"
+            "2. Build headline and subheadline hierarchy.\n"
+            "3. Add objection-handling proof blocks and trust signals.\n"
+            "4. Design CTA progression for low and high intent visitors.\n"
+            "5. Define test plan for copy, layout, and offer variants.\n\n"
+            "Tech stack\n"
+            "- Wagtail page composition\n"
+            "- Bootstrap 5 component patterns\n"
+            "- Event tracking for funnel diagnostics\n\n"
+            "Business value\n"
+            "- Higher lead quality from the same traffic\n"
+            "- Faster launch cycles with reusable page logic\n"
+            "- Better conversion through structured experimentation\n\n"
+            "Who it is for\n"
+            "Service businesses, SaaS teams, and agencies that rely on landing pages for growth."
+        ),
+        price_eur=Decimal("29.00"),
+    ),
+    IdeaSeedItem(
+        title="Subscription-Based Service Website Model",
+        short_description=(
+            "Design a subscription service website that improves activation, retention, and recurring revenue. "
+            "Package offers clearly and reduce churn with lifecycle-aware UX."
+        ),
+        full_description=(
+            "Introduction\n"
+            "A complete website model for subscription-first service businesses.\n\n"
+            "Problem it solves\n"
+            "- Subscription sites often sell features, not ongoing outcomes.\n"
+            "- Poor onboarding and renewal communication increases churn risk.\n\n"
+            "Step-by-step concept\n"
+            "1. Structure offer tiers by business outcome and support level.\n"
+            "2. Build onboarding pages for fast activation.\n"
+            "3. Add lifecycle messaging for renewal and expansion.\n"
+            "4. Map churn-risk touchpoints and intervention moments.\n"
+            "5. Track retention metrics and optimize plan positioning.\n\n"
+            "Tech stack\n"
+            "- Django + Oscar for billing-ready commerce foundations\n"
+            "- Wagtail for lifecycle content and onboarding assets\n"
+            "- Event instrumentation for retention analytics\n\n"
+            "Business value\n"
+            "- Improved activation-to-retention conversion\n"
+            "- More predictable recurring revenue\n"
+            "- Clearer upgrade path across plan tiers\n\n"
+            "Who it is for\n"
+            "Founders and operators running service subscriptions with monthly or annual plans."
+        ),
+        price_eur=Decimal("69.00"),
+    ),
+    IdeaSeedItem(
+        title="Marketplace Platform Architecture (Django)",
+        short_description=(
+            "Get a scalable marketplace architecture for Django from MVP to multi-vendor growth. "
+            "Includes domain boundaries, payments, moderation, and operations blueprint."
+        ),
+        full_description=(
+            "Introduction\n"
+            "A technical blueprint for launching and scaling a marketplace platform on Django.\n\n"
+            "Problem it solves\n"
+            "- Marketplace projects fail when core domains and workflows are not separated early.\n"
+            "- Teams underestimate moderation, payout, and operational complexity.\n\n"
+            "Step-by-step concept\n"
+            "1. Define bounded domains for buyers, sellers, listings, and transactions.\n"
+            "2. Design catalog and search architecture for growth.\n"
+            "3. Implement payment orchestration and settlement flow.\n"
+            "4. Add moderation, permissions, and abuse controls.\n"
+            "5. Plan observability and phased scaling from MVP to expansion.\n\n"
+            "Tech stack\n"
+            "- Django service layer and domain modules\n"
+            "- Oscar commerce primitives where applicable\n"
+            "- Queue/events for async marketplace operations\n"
+            "- Monitoring and operational alerting baseline\n\n"
+            "Business value\n"
+            "- Lower re-architecture risk at scale\n"
+            "- Faster delivery of revenue-critical flows\n"
+            "- Better reliability for multi-sided operations\n\n"
+            "Who it is for\n"
+            "Technical founders, CTOs, and product teams building marketplace businesses with Django."
+        ),
+        price_eur=Decimal("149.00"),
+    ),
+)
+
+
+def _get_attribute_text(product, code: str) -> str:
+    value = (
+        product.attribute_values.select_related("attribute")
+        .filter(attribute__code=code)
+        .first()
+    )
+    if value is None:
+        return ""
+    for field_name in (
+        "value_text",
+        "value_richtext",
+        "value_option",
+        "value_file",
+        "value_image",
+    ):
+        field_value = getattr(value, field_name, None)
+        if field_value:
+            return str(field_value)
+    return ""
+
+
+def _set_attribute_text(product, attribute, text: str) -> None:
+    ProductAttributeValue = get_model("catalogue", "ProductAttributeValue")
+    value_field = (
+        "value_richtext" if getattr(attribute, "type", "text") == "richtext" else "value_text"
+    )
+    value, _created = ProductAttributeValue.objects.get_or_create(
+        product=product,
+        attribute=attribute,
+    )
+    if getattr(value, value_field, "") != text:
+        setattr(value, value_field, text)
+        value.save(update_fields=[value_field])
+
+
+def is_idea_product(product) -> bool:
+    product_class = getattr(product, "product_class", None)
+    return bool(product_class and product_class.name == IDEA_PRODUCT_CLASS_NAME)
+
+
+def get_idea_short_description(product) -> str:
+    return _get_attribute_text(product, SHORT_DESCRIPTION_ATTRIBUTE_CODE) or (
+        getattr(product, "description", "") or ""
+    )
+
+
+def get_idea_full_description(product) -> str:
+    return _get_attribute_text(product, FULL_DESCRIPTION_ATTRIBUTE_CODE)
+
+
+def get_unlockable_description(product, user) -> tuple[str, bool]:
+    unlocked = user_has_unlocked_idea(user, product)
+    if unlocked:
+        return get_idea_full_description(product) or get_idea_short_description(product), True
+    return get_idea_short_description(product), False
+
+
+def user_has_unlocked_idea(user, product) -> bool:
+    if not getattr(user, "is_authenticated", False):
+        return False
+    if not is_idea_product(product):
+        return True
+
+    Line = get_model("order", "Line")
+    PaymentEventQuantity = get_model("order", "PaymentEventQuantity")
+    paid_statuses = {
+        getattr(settings, "OSCAR_PAID_ORDER_STATUS", None),
+        getattr(settings, "OSCAR_COMPLETE_ORDER_STATUS", None),
+        "paid",
+        "complete",
+        "payment-complete",
+        "delayed-payment",
+    }
+    paid_statuses = {
+        status.strip().lower() for status in paid_statuses if isinstance(status, str) and status.strip()
+    }
+
+    status_match = Line.objects.filter(
+        order__user=user,
+        product_id=product.id,
+    ).filter(
+        Q(order__status__in=paid_statuses)
+        | Q(order__status__icontains="paid")
+        | Q(order__status__icontains="complete")
+    )
+    if status_match.exists():
+        return True
+
+    # Fallback to payment event evidence so unlocking still works when status names differ per provider.
+    return PaymentEventQuantity.objects.filter(
+        line__order__user=user,
+        line__product_id=product.id,
+        quantity__gt=0,
+    ).exists()
+
+
+def _ensure_digital_ideas_category():
+    Category = get_model("catalogue", "Category")
+    existing = Category.objects.filter(name=DIGITAL_IDEAS_CATEGORY_NAME).first()
+    if existing:
+        return existing
+
+    root = (
+        Category.objects.filter(depth=1).order_by("path").first()
+        if hasattr(Category, "depth")
+        else None
+    )
+    if root and hasattr(root, "add_child"):
+        return root.add_child(name=DIGITAL_IDEAS_CATEGORY_NAME)
+    if hasattr(Category, "add_root"):
+        return Category.add_root(name=DIGITAL_IDEAS_CATEGORY_NAME)
+
+    category = Category(name=DIGITAL_IDEAS_CATEGORY_NAME)
+    if hasattr(category, "slug"):
+        category.slug = slugify(DIGITAL_IDEAS_CATEGORY_NAME)
+    category.save()
+    return category
+
+
+def _ensure_product_class():
+    ProductClass = get_model("catalogue", "ProductClass")
+    product_class, _created = ProductClass.objects.get_or_create(
+        name=IDEA_PRODUCT_CLASS_NAME,
+        defaults={
+            "requires_shipping": False,
+            "track_stock": False,
+        },
+    )
+    if product_class.requires_shipping:
+        product_class.requires_shipping = False
+        product_class.save(update_fields=["requires_shipping"])
+    return product_class
+
+
+def _ensure_product_attributes(product_class):
+    ProductAttribute = get_model("catalogue", "ProductAttribute")
+    text_type = getattr(ProductAttribute, "TEXT", "text")
+    richtext_type = getattr(ProductAttribute, "RICHTEXT", "richtext")
+
+    short_attr, _ = ProductAttribute.objects.get_or_create(
+        product_class=product_class,
+        code=SHORT_DESCRIPTION_ATTRIBUTE_CODE,
+        defaults={
+            "name": "Short description",
+            "type": text_type,
+            "required": False,
+        },
+    )
+    full_attr, _ = ProductAttribute.objects.get_or_create(
+        product_class=product_class,
+        code=FULL_DESCRIPTION_ATTRIBUTE_CODE,
+        defaults={
+            "name": "Full description",
+            "type": richtext_type,
+            "required": False,
+        },
+    )
+    return short_attr, full_attr
+
+
+def _ensure_partner():
+    Partner = get_model("partner", "Partner")
+    partner, _ = Partner.objects.get_or_create(name=IDEA_PARTNER_NAME)
+    return partner
+
+
+def _upsert_stockrecord(product, partner, price_eur: Decimal):
+    StockRecord = get_model("partner", "StockRecord")
+    defaults = {
+        "partner_sku": f"idea-{product.id}",
+        "price_currency": "EUR",
+        "price_excl_tax": price_eur,
+        "num_in_stock": 99999,
+    }
+    stockrecord, _created = StockRecord.objects.get_or_create(
+        product=product,
+        partner=partner,
+        defaults=defaults,
+    )
+    dirty_fields: list[str] = []
+    for field_name, field_value in defaults.items():
+        if getattr(stockrecord, field_name, None) != field_value:
+            setattr(stockrecord, field_name, field_value)
+            dirty_fields.append(field_name)
+    if dirty_fields:
+        stockrecord.save(update_fields=dirty_fields)
+
+
+def seed_idea_marketplace_products(
+    *, purge_demo_products: bool = True, retire_non_idea_products: bool = True
+) -> dict[str, int]:
+    Product = get_model("catalogue", "Product")
+
+    product_class = _ensure_product_class()
+    category = _ensure_digital_ideas_category()
+    short_attr, full_attr = _ensure_product_attributes(product_class)
+    partner = _ensure_partner()
+
+    created = 0
+    updated = 0
+    for item in IDEA_PRODUCTS:
+        product = Product.objects.filter(title=item.title).first()
+        if product is None:
+            product = Product(
+                title=item.title,
+                slug=slugify(item.title),
+                product_class=product_class,
+                description=item.short_description,
+            )
+            if hasattr(Product, "STANDALONE") and hasattr(product, "structure"):
+                product.structure = Product.STANDALONE
+            if hasattr(product, "is_public") and not getattr(product, "is_public", False):
+                product.is_public = True
+            product.save()
+            created += 1
+        else:
+            dirty_fields: list[str] = []
+            if product.product_class_id != product_class.id:
+                product.product_class = product_class
+                dirty_fields.append("product_class")
+            if product.description != item.short_description:
+                product.description = item.short_description
+                dirty_fields.append("description")
+            if hasattr(product, "slug") and product.slug != slugify(item.title):
+                product.slug = slugify(item.title)
+                dirty_fields.append("slug")
+            if hasattr(product, "is_public") and not getattr(product, "is_public", False):
+                product.is_public = True
+                dirty_fields.append("is_public")
+            if dirty_fields:
+                product.save(update_fields=dirty_fields)
+                updated += 1
+
+        product.categories.add(category)
+        _set_attribute_text(product, short_attr, item.short_description)
+        _set_attribute_text(product, full_attr, item.full_description)
+        _upsert_stockrecord(product, partner, item.price_eur)
+
+    deleted_demo = 0
+    if purge_demo_products:
+        keep_titles = {item.title for item in IDEA_PRODUCTS}
+        demo_filter = Q()
+        for marker in DEMO_MARKERS:
+            demo_filter |= Q(title__icontains=marker) | Q(slug__icontains=marker)
+        demo_queryset = Product.objects.filter(demo_filter).exclude(title__in=keep_titles)
+        # Also purge any non-canonical products lingering in the Idea Product class
+        # or explicitly grouped under the Digital Ideas category.
+        non_canonical_ideas_queryset = (
+            Product.objects.filter(
+                Q(product_class=product_class)
+                | Q(categories__name__iexact=DIGITAL_IDEAS_CATEGORY_NAME)
+            )
+            .exclude(title__in=keep_titles)
+            .distinct()
+        )
+        delete_ids = set(demo_queryset.values_list("id", flat=True)) | set(
+            non_canonical_ideas_queryset.values_list("id", flat=True)
+        )
+        deleted_demo = len(delete_ids)
+        if deleted_demo:
+            Product.objects.filter(id__in=delete_ids).delete()
+
+    retired_non_idea = 0
+    if retire_non_idea_products:
+        keep_titles = {item.title for item in IDEA_PRODUCTS}
+        non_idea_public_qs = Product.objects.exclude(title__in=keep_titles).filter(
+            is_public=True
+        )
+        retired_non_idea = non_idea_public_qs.update(is_public=False)
+
+    return {
+        "created": created,
+        "updated": updated,
+        "deleted_demo": deleted_demo,
+        "retired_non_idea": retired_non_idea,
+    }

mandelstudio/management/commands/_agency_content.py

@@ -1374,21 +1374,21 @@ STANDARD_COPY = {
                         "<p>Voor technische ondersteuning, uitbreidingen of een vervolgfase na livegang.</p>",
                     ),
                 ],
-                "form_title": "Vertel kort wat u nodig heeft",
+                "form_title": "Start uw volgende project met helderheid",
-                "form_sub": "<p>We reageren inhoudelijk en zonder verkooppraat op uw vraag.</p>",
+                "form_sub": "<p>We helpen u ontwerpen, bouwen en opschalen - snel, gestructureerd en zonder giswerk.</p>",
                 "form_fields": [
                     ("text", "Naam", "Uw naam"),
                     ("email", "E-mail", "naam@bedrijf.nl"),
                     ("company", "Bedrijf", "Bedrijfsnaam"),
                     ("message", "Vraag of project", "Waar zoekt u hulp bij?"),
                 ],
-                "benefits_title": "Wat u kunt verwachten",
+                "benefits_title": "Waarom dit gesprek werkt",
                 "benefits": [
                     "Reactie binnen 24 uur",
-                    "Intakegesprek van 15 minuten",
+                    "Vrijblijvend strategiegesprek",
-                    "Volledig vrijblijvend",
+                    "Praktische vervolgstappen",
                 ],
-                "privacy": "<p>We gebruiken uw gegevens alleen voor contact over deze aanvraag.</p>",
+                "privacy": "<p>We gebruiken uw gegevens alleen voor contact over deze aanvraag. Geen verplichtingen.</p>",
                 "cta": "Klaar om een eerste stap te zetten?",
             },
             "process": {
@@ -4028,7 +4028,7 @@ def _standard_body(
                         )
                         for field_type, label, placeholder in cfg["form_fields"]
                     ],
-                    "submit_button_text": cta["primary"],
+                    "submit_button_text": "Plan mijn strategiegesprek",
                     "form_action_url": urls["contact"],
                     "benefits_title": cfg["benefits_title"],
                     "benefits": [item(text) for text in cfg["benefits"]],

mandelstudio/management/commands/apply_agency_website_refresh.py

@@ -686,8 +686,8 @@ def nl_standard_page(page_key: str, urls: dict[str, str]) -> list[dict[str, Any]
             "cta": "Wilt u uw volgende project professioneel neerzetten?",
         },
         "contact": {
-            "headline": "Laten we uw vraag concreet maken",
+            "headline": "Laten we uw volgende stap helder maken",
-            "sub": "<p>Vertel kort wat u nodig heeft. U krijgt een praktische terugkoppeling met haalbare vervolgstappen.</p>",
+            "sub": "<p>Deel kort waar u hulp bij nodig heeft. U krijgt een helder antwoord en een concreet voorstel voor de volgende stap.</p>",
             "features_title": "Waarvoor u contact kunt opnemen",
             "features_sub": "<p>Kies de route die past bij uw vraag of traject.</p>",
             "features": [
@@ -713,8 +713,8 @@ def nl_standard_page(page_key: str, urls: dict[str, str]) -> list[dict[str, Any]
                     "layout_width": "container",
                     "background_style": "light",
                     "layout": "split",
-                    "section_title": "Vertel kort wat u nodig heeft",
+                    "section_title": "Start uw volgende project met helderheid",
-                    "section_subtitle": "<p>We reageren inhoudelijk en zonder verkooppraat op uw vraag.</p>",
+                    "section_subtitle": "<p>We helpen u ontwerpen, bouwen en opschalen - snel, gestructureerd en zonder giswerk.</p>",
                     "form_fields": [
                         item(
                             {
@@ -749,16 +749,16 @@ def nl_standard_page(page_key: str, urls: dict[str, str]) -> list[dict[str, Any]
                             }
                         ),
                     ],
-                    "submit_button_text": primary,
+                    "submit_button_text": "Plan mijn strategiegesprek",
                     "form_action_url": urls["contact"],
-                    "benefits_title": "Wat u kunt verwachten",
+                    "benefits_title": "Waarom dit gesprek werkt",
                     "benefits": [
                         item("Reactie binnen 24 uur"),
-                        item("Intakegesprek van 15 minuten"),
+                        item("Vrijblijvend strategiegesprek"),
-                        item("Volledig vrijblijvend"),
+                        item("Praktische vervolgstappen"),
                     ],
                     "side_image": 1,
-                    "privacy_text": "<p>We gebruiken uw gegevens alleen voor contact over deze aanvraag.</p>",
+                    "privacy_text": "<p>We gebruiken uw gegevens alleen voor contact over deze aanvraag. Geen verplichtingen.</p>",
                 },
             ),
             "cta": "Klaar om een eerste stap te zetten?",

mandelstudio/management/commands/prepare_idea_marketplace_launch.py

@@ -0,0 +1,226 @@
+from __future__ import annotations
+
+from django.core.management.base import BaseCommand
+from django.db import transaction
+from django.db.models import Q
+from wagtail.blocks import StreamValue
+from wagtail.models import Page
+
+from mandelstudio.content_hygiene import BLOCKED_DEMO_PAGE_SLUGS, DEMO_MARKERS
+from mandelstudio.idea_marketplace import seed_idea_marketplace_products
+
+
+HOME_COPY = {
+    "nl": {
+        "badge": "IDEA MARKETPLACE",
+        "headline": "Premium ideeën die je direct kunt uitvoeren",
+        "sub_headline": "<p>Ontdek bewezen plannen, koop de strategie en ontgrendel het volledige implementatieplan.</p>",
+        "features_title": "Idea Marketplace",
+        "features_subtitle": "<p>Preview eerst. Koop alleen wat past. Ontgrendel daarna de complete blueprint.</p>",
+        "footer_headline": "Klaar om een premium idee te ontgrendelen?",
+        "footer_subheadline": "<p>Kies een plan, rond checkout af en krijg direct toegang tot de volledige strategie.</p>",
+        "cta_explore": "Explore Ideas",
+        "cta_buy": "Buy Strategy",
+        "cta_unlock": "Unlock Full Plan",
+    },
+    "en": {
+        "badge": "IDEA MARKETPLACE",
+        "headline": "Premium ideas you can execute immediately",
+        "sub_headline": "<p>Explore proven plans, buy the strategy, and unlock the full implementation blueprint.</p>",
+        "features_title": "Idea Marketplace",
+        "features_subtitle": "<p>Preview first. Buy what fits. Unlock complete execution plans after checkout.</p>",
+        "footer_headline": "Ready to unlock a premium idea?",
+        "footer_subheadline": "<p>Select a plan, complete checkout, and get full strategy access instantly.</p>",
+        "cta_explore": "Explore Ideas",
+        "cta_buy": "Buy Strategy",
+        "cta_unlock": "Unlock Full Plan",
+    },
+}
+
+SUPPORTED_LANGUAGES = {"nl", "en", "de", "fr", "es", "it", "pt", "ru"}
+
+
+def _copy_for(language_code: str) -> dict[str, str]:
+    normalized = (language_code or "nl").split("-")[0].lower()
+    if normalized not in SUPPORTED_LANGUAGES:
+        normalized = "nl"
+    return HOME_COPY["en"] if normalized != "nl" else HOME_COPY["nl"]
+
+
+def _shop_url_for(language_code: str) -> str:
+    normalized = (language_code or "nl").split("-")[0].lower()
+    if normalized == "nl":
+        return "/shop/"
+    return f"/{normalized}/shop/"
+
+
+def _update_homepage_stream(page) -> bool:
+    if not hasattr(page, "body"):
+        return False
+    body = page.body
+    if not body:
+        return False
+
+    copy = _copy_for(getattr(page.locale, "language_code", "nl"))
+    shop_url = _shop_url_for(getattr(page.locale, "language_code", "nl"))
+
+    stream_data = list(body.stream_data)
+    changed = False
+    for block in stream_data:
+        block_type = block.get("type")
+        value = block.get("value", {})
+        if not isinstance(value, dict):
+            continue
+
+        if block_type == "saas_hero_banner":
+            updates = {
+                "badge_text": copy["badge"],
+                "headline": copy["headline"],
+                "sub_headline": copy["sub_headline"],
+                "primary_cta_text": copy["cta_explore"],
+                "primary_cta_url": shop_url,
+                "secondary_cta_text": copy["cta_buy"],
+                "secondary_cta_url": shop_url,
+            }
+            for key, new_value in updates.items():
+                if value.get(key) != new_value:
+                    value[key] = new_value
+                    changed = True
+
+        if block_type == "saas_features":
+            updates = {
+                "section_title": copy["features_title"],
+                "section_subtitle": copy["features_subtitle"],
+            }
+            for key, new_value in updates.items():
+                if value.get(key) != new_value:
+                    value[key] = new_value
+                    changed = True
+
+        if block_type == "saas_cta_footer":
+            updates = {
+                "headline": copy["footer_headline"],
+                "subheadline": copy["footer_subheadline"],
+                "primary_cta_text": copy["cta_unlock"],
+                "primary_cta_url": shop_url,
+                "secondary_cta_text": copy["cta_explore"],
+                "secondary_cta_url": shop_url,
+            }
+            for key, new_value in updates.items():
+                if value.get(key) != new_value:
+                    value[key] = new_value
+                    changed = True
+
+    if not changed:
+        return False
+
+    page.body = StreamValue(page.body.stream_block, stream_data, is_lazy=True)
+    page.search_description = (
+        "Idea marketplace with premium plans. Preview each strategy and unlock full implementation after purchase."
+    )
+    page.save()
+    return True
+
+
+def _purge_demo_pages() -> int:
+    marker_filter = Q()
+    for marker in DEMO_MARKERS:
+        marker_filter |= (
+            Q(title__icontains=marker)
+            | Q(slug__icontains=marker)
+            | Q(search_description__icontains=marker)
+        )
+    candidate_ids = set(
+        Page.objects.exclude(depth__lte=2).filter(marker_filter).values_list("id", flat=True)
+    )
+    candidate_ids.update(
+        Page.objects.exclude(depth__lte=2)
+        .filter(slug__in=BLOCKED_DEMO_PAGE_SLUGS)
+        .values_list("id", flat=True)
+    )
+    candidates = Page.objects.filter(id__in=candidate_ids).specific()
+    deleted = 0
+    for page in candidates:
+        page.delete()
+        deleted += 1
+    return deleted
+
+
+def _update_homepages() -> int:
+    updated = 0
+    # In this architecture localized homepages are expected at depth=2.
+    for page in Page.objects.filter(depth=2).specific():
+        if _update_homepage_stream(page):
+            updated += 1
+    return updated
+
+
+class Command(BaseCommand):
+    help = (
+        "Prepare production idea marketplace launch: seed idea products, purge obvious demo pages, "
+        "and refresh homepage sections/CTAs to marketplace messaging."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--no-seed",
+            action="store_true",
+            help="Skip idea product seeding.",
+        )
+        parser.add_argument(
+            "--purge-demo-pages",
+            action="store_true",
+            help="Delete pages with obvious demo/lorem/sample markers.",
+        )
+        parser.add_argument(
+            "--skip-purge-demo-pages",
+            action="store_true",
+            help="Skip deleting obvious demo pages (enabled by default).",
+        )
+        parser.add_argument(
+            "--apply-homepage-copy",
+            action="store_true",
+            help="Update homepage stream blocks to idea marketplace messaging and CTAs.",
+        )
+        parser.add_argument(
+            "--skip-apply-homepage-copy",
+            action="store_true",
+            help="Skip homepage marketplace copy refresh (enabled by default).",
+        )
+
+    @transaction.atomic
+    def handle(self, *args, **options):
+        if not options["no_seed"]:
+            seed_stats = seed_idea_marketplace_products(
+                purge_demo_products=True,
+                retire_non_idea_products=True,
+            )
+            self.stdout.write(
+                self.style.SUCCESS(
+                    "Seeded idea products: "
+                    f"created={seed_stats['created']}, "
+                    f"updated={seed_stats['updated']}, "
+                    f"deleted_demo_products={seed_stats['deleted_demo']}, "
+                    f"retired_non_idea_products={seed_stats['retired_non_idea']}"
+                )
+            )
+
+        should_purge_demo_pages = (
+            options["purge_demo_pages"] or not options["skip_purge_demo_pages"]
+        )
+        if should_purge_demo_pages:
+            deleted_pages = _purge_demo_pages()
+            self.stdout.write(
+                self.style.SUCCESS(f"Deleted demo pages: {deleted_pages}")
+            )
+
+        should_apply_homepage_copy = (
+            options["apply_homepage_copy"] or not options["skip_apply_homepage_copy"]
+        )
+        if should_apply_homepage_copy:
+            updated_pages = _update_homepages()
+            self.stdout.write(
+                self.style.SUCCESS(
+                    f"Updated homepages with marketplace copy: {updated_pages}"
+                )
+            )

mandelstudio/management/commands/purge_demo_data.py

@@ -1,8 +1,12 @@
 from __future__ import annotations
 
-from dataclasses import dataclass
+from typing import Iterable
 
 from django.core.management.base import BaseCommand
+from django.db.models import Q
+from oscar.core.loading import get_model
+from wagtail.models import Page
+
 
 IDEA_PRODUCT_TITLES = {
     "B2B Webshop Starter Blueprint",
@@ -12,136 +16,105 @@ IDEA_PRODUCT_TITLES = {
     "Marketplace Platform Architecture (Django)",
 }
 
+DEMO_PAGE_SLUGS = {
+    "starter-website-2",
+    "business-website-2",
+    "starter-website",
+    "business-website",
+}
 
-@dataclass(frozen=True)
+DEMO_MARKERS = (
-class PurgeStats:
+    "demo",
-    pages: int = 0
+    "dummy",
-    products: int = 0
+    "sample",
+    "placeholder",
+    "starter website",
+    "business website",
+    "lorem ipsum",
+)
+
+
+def _build_demo_text_filter(fields: Iterable[str]) -> Q:
+    query = Q()
+    for field in fields:
+        for marker in DEMO_MARKERS:
+            query |= Q(**{f"{field}__icontains": marker})
+    return query
 
 
 class Command(BaseCommand):
     help = (
-        "Remove demo pages/products from Mandel Blog while preserving "
+        "Remove demo content from Wagtail pages and Oscar catalogue. "
-        "idea marketplace content."
+        "Use --keep-only-idea-products to retain only the five launch idea products."
     )
 
     def add_arguments(self, parser):
         parser.add_argument(
             "--dry-run",
             action="store_true",
-            help="Show what would be removed without deleting.",
+            default=False,
+            help="Show what would be deleted without applying changes.",
         )
         parser.add_argument(
             "--keep-only-idea-products",
             action="store_true",
-            help="Delete all products except the 5 idea marketplace products.",
+            default=False,
+            help="Delete every top-level product except the five launch idea products.",
         )
 
     def handle(self, *args, **options):
-        dry_run = bool(options["dry_run"])
+        dry_run: bool = options["dry_run"]
-        keep_only_idea_products = bool(options["keep_only_idea_products"])
+        keep_only_ideas: bool = options["keep_only_idea_products"]
-
-        page_count = self._purge_pages(dry_run=dry_run)
-        product_count = self._purge_products(
-            dry_run=dry_run,
-            keep_only_idea_products=keep_only_idea_products,
-        )
-        stats = PurgeStats(pages=page_count, products=product_count)
-
-        mode = "DRY RUN" if dry_run else "APPLIED"
-        self.stdout.write(
-            self.style.SUCCESS(
-                f"[{mode}] Removed pages={stats.pages}, products={stats.products}"
-            )
-        )
-
-    def _purge_pages(self, *, dry_run: bool) -> int:
-        from wagtail.models import Page
-
-        slug_markers = [
-            "starter-website",
-            "business-website",
-            "demo",
-            "voorbeeld",
-            "sample",
-            "template",
-        ]
-        title_markers = [
-            "starter website",
-            "business website",
-            "demo",
-            "voorbeeld",
-            "sample",
-            "template",
-        ]
-
-        qs = Page.objects.exclude(depth=1).exclude(slug__in=["home"]).specific()
-
-        candidates = []
-        for page in qs:
-            slug = (page.slug or "").lower()
-            title = (page.title or "").lower()
-            if any(marker in slug for marker in slug_markers) or any(
-                marker in title for marker in title_markers
-            ):
-                candidates.append(page)
-
-        removed = 0
-        for page in candidates:
-            removed += 1
-            self.stdout.write(
-                f"PAGE {'[dry-run] ' if dry_run else ''}delete id={page.id} "
-                f"slug={page.slug} title={page.title}"
-            )
-            if not dry_run:
-                page.delete()
-        return removed
-
-    def _purge_products(self, *, dry_run: bool, keep_only_idea_products: bool) -> int:
-        from oscar.core.loading import get_model
-
-        from oscar_elasticsearch.search.signal_handlers import (
-            deregister_signal_handlers,
-            register_signal_handlers,
-        )
 
         Product = get_model("catalogue", "Product")
-        products = Product.objects.all()
 
-        if keep_only_idea_products:
+        product_filter = _build_demo_text_filter(("title",))
-            candidates = products.exclude(title__in=IDEA_PRODUCT_TITLES)
+        product_filter |= Q(slug__in=DEMO_PAGE_SLUGS)
+
+        top_level_products = Product.objects.filter(parent__isnull=True)
+        if keep_only_ideas:
+            products_to_delete = top_level_products.exclude(title__in=IDEA_PRODUCT_TITLES)
         else:
-            title_markers = [
+            products_to_delete = top_level_products.filter(product_filter).exclude(
-                "demo",
+                title__in=IDEA_PRODUCT_TITLES
-                "sample",
+            )
-                "placeholder",
+
-                "starter website",
+        pages_to_delete = (
-                "business website",
+            Page.objects.live()
-            ]
+            .public()
-            candidates = [
+            .filter(depth__gt=2)
-                p
+            .filter(Q(slug__in=DEMO_PAGE_SLUGS) | _build_demo_text_filter(("title", "slug")))
-                for p in products
+        )
-                if any(marker in (p.title or "").lower() for marker in title_markers)
+
-            ]
+        product_preview = list(products_to_delete.values_list("id", "title")[:30])
+        page_preview = list(pages_to_delete.values_list("id", "slug", "title")[:30])
+
+        self.stdout.write(f"Products matched for deletion: {products_to_delete.count()}")
+        for item in product_preview:
+            self.stdout.write(f"  - product#{item[0]}: {item[1]}")
+        if products_to_delete.count() > len(product_preview):
+            self.stdout.write("  - ...")
+
+        self.stdout.write(f"Pages matched for deletion: {pages_to_delete.count()}")
+        for item in page_preview:
+            self.stdout.write(f"  - page#{item[0]}: /{item[1]}/ ({item[2]})")
+        if pages_to_delete.count() > len(page_preview):
+            self.stdout.write("  - ...")
 
-        removed = 0
-        iterable = candidates if isinstance(candidates, list) else list(candidates)
         if dry_run:
-            for product in iterable:
+            self.stdout.write(self.style.WARNING("Dry run completed. No data was deleted."))
-                removed += 1
+            return
-                self.stdout.write(
+
-                    f"PRODUCT [dry-run] delete id={product.id} title={product.title}"
+        deleted_products = products_to_delete.count()
-                )
+        deleted_pages = pages_to_delete.count()
-            return removed
+
+        products_to_delete.delete()
+        for page in pages_to_delete:
+            # Use Wagtail's delete to remove descendants and revisions safely.
+            page.delete()
 
-        deregister_signal_handlers()
-        try:
-            for product in iterable:
-                removed += 1
         self.stdout.write(
-                    f"PRODUCT delete id={product.id} title={product.title}"
+            self.style.SUCCESS(
+                f"Demo purge complete. Deleted products={deleted_products}, pages={deleted_pages}."
+            )
         )
-                product.delete()
-        finally:
-            register_signal_handlers()
-        return removed

mandelstudio/management/commands/seed_idea_marketplace.py

@@ -0,0 +1,44 @@
+from __future__ import annotations
+
+from django.core.management.base import BaseCommand
+from django.db import transaction
+
+from mandelstudio.idea_marketplace import seed_idea_marketplace_products
+
+
+class Command(BaseCommand):
+    help = (
+        "Seed production-ready Oscar idea products and remove obvious demo products "
+        "from the catalogue. By default, this also retires non-idea products from public "
+        "listing."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--keep-demo-products",
+            action="store_true",
+            help="Do not delete demo/sample products.",
+        )
+        parser.add_argument(
+            "--keep-non-idea-products-public",
+            action="store_true",
+            help="Do not retire non-idea products from public listing.",
+        )
+
+    @transaction.atomic
+    def handle(self, *args, **options):
+        purge_demo = not options["keep_demo_products"]
+        retire_non_idea = not options["keep_non_idea_products_public"]
+        stats = seed_idea_marketplace_products(
+            purge_demo_products=purge_demo,
+            retire_non_idea_products=retire_non_idea,
+        )
+        self.stdout.write(
+            self.style.SUCCESS(
+                "Idea marketplace seeded: "
+                f"created={stats['created']}, "
+                f"updated={stats['updated']}, "
+                f"deleted_demo={stats['deleted_demo']}, "
+                f"retired_non_idea={stats['retired_non_idea']}"
+            )
+        )

mandelstudio/management/commands/validate_idea_marketplace_launch.py

@@ -0,0 +1,232 @@
+from __future__ import annotations
+
+import json
+import os
+from pathlib import Path
+
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+from django.db.models import Q
+
+from oscar.core.loading import get_model
+
+from mandelstudio.content_hygiene import BLOCKED_DEMO_PAGE_SLUGS, DEMO_MARKERS
+from mandelstudio.idea_marketplace import (
+    FULL_DESCRIPTION_ATTRIBUTE_CODE,
+    IDEA_PRODUCT_CLASS_NAME,
+    IDEA_PRODUCTS,
+    SHORT_DESCRIPTION_ATTRIBUTE_CODE,
+)
+
+
+class Command(BaseCommand):
+    help = (
+        "Fail-fast launch validation for idea marketplace: payment provider, "
+        "catalog integrity, digital/non-shipping behavior, and EUR pricing."
+    )
+
+    def handle(self, *args, **options):
+        Product = get_model("catalogue", "Product")
+        ProductClass = get_model("catalogue", "ProductClass")
+        ProductAttribute = get_model("catalogue", "ProductAttribute")
+        StockRecord = get_model("partner", "StockRecord")
+        Page = get_model("wagtailcore", "Page")
+
+        installed_apps = list(settings.INSTALLED_APPS)
+        payment_apps = [app for app in installed_apps if "payment" in app.lower()]
+        checkout_apps = [app for app in installed_apps if "checkout" in app.lower()]
+        if not payment_apps:
+            raise CommandError("No payment app found in INSTALLED_APPS.")
+        if not checkout_apps:
+            raise CommandError("No checkout app found in INSTALLED_APPS.")
+        if not any("oscar_checkout" in app.lower() for app in checkout_apps):
+            raise CommandError("Oscar checkout app is not active.")
+        def _is_demo_data(value: str) -> bool:
+            normalized = "".join(ch for ch in str(value).lower() if ch.isalnum())
+            return "demodata" in normalized
+
+        if any(_is_demo_data(app) for app in installed_apps):
+            raise CommandError(
+                "Demo data plugin detected in INSTALLED_APPS. Remove all demodata plugins before launch."
+            )
+
+        if any("dummy" in app.lower() for app in payment_apps):
+            raise CommandError(
+                "Dummy payment app detected in INSTALLED_APPS. Use a real provider plugin before production launch."
+            )
+        if any("mollie" in app.lower() for app in payment_apps):
+            mollie_settings = (
+                getattr(settings, "PAYMENT_MOLLIE", None)
+                or getattr(settings, "payment_mollie", None)
+                or {}
+            )
+            config_key = str(mollie_settings.get("api_key", "")).strip()
+            env_key = str(os.environ.get("MOLLIE_API_KEY", "")).strip()
+            effective_key = env_key or config_key
+            if not effective_key or effective_key.upper() == "CHANGE_ME":
+                raise CommandError(
+                    "Mollie payment provider is enabled but no valid API key is configured. "
+                    "Set MOLLIE_API_KEY or settings.payment_mollie.api_key to a real key."
+                )
+            if not effective_key.startswith("live_"):
+                raise CommandError(
+                    "Mollie key must be a live key for production launch (expected prefix 'live_')."
+                )
+
+        config_path = Path(__file__).resolve().parents[2] / "ocyan.json"
+        if config_path.exists():
+            with config_path.open("r", encoding="utf-8") as handle:
+                config_payload = json.load(handle)
+            config_plugins = [str(plugin) for plugin in config_payload.get("ocyan_plugins", [])]
+            if any(_is_demo_data(plugin) for plugin in config_plugins):
+                raise CommandError(
+                    "Demo data plugin detected in ocyan.json. Remove it before launch."
+                )
+            settings_payload = config_payload.get("settings", {})
+            domain = str(settings_payload.get("django", {}).get("domain", "")).strip()
+            shop_base_url = str(
+                settings_payload.get("oscar", {}).get("shop_base_url", "")
+            ).strip("/")
+            if not domain or domain.upper() == "CHANGE_ME":
+                raise CommandError(
+                    "settings.django.domain is missing/placeholder in ocyan.json."
+                )
+            if not shop_base_url:
+                raise CommandError(
+                    "settings.oscar.shop_base_url is missing in ocyan.json."
+                )
+
+        currency = getattr(settings, "OSCAR_DEFAULT_CURRENCY", "EUR")
+        if currency != "EUR":
+            raise CommandError(f"OSCAR_DEFAULT_CURRENCY must be EUR, got '{currency}'.")
+
+        product_class = ProductClass.objects.filter(name=IDEA_PRODUCT_CLASS_NAME).first()
+        if product_class is None:
+            raise CommandError(f"Missing ProductClass '{IDEA_PRODUCT_CLASS_NAME}'.")
+        if product_class.requires_shipping:
+            raise CommandError("Idea Product class requires_shipping must be False.")
+
+        short_attr_exists = ProductAttribute.objects.filter(
+            product_class=product_class, code=SHORT_DESCRIPTION_ATTRIBUTE_CODE
+        ).exists()
+        full_attr_exists = ProductAttribute.objects.filter(
+            product_class=product_class, code=FULL_DESCRIPTION_ATTRIBUTE_CODE
+        ).exists()
+        if not short_attr_exists or not full_attr_exists:
+            raise CommandError(
+                "Missing required idea product attributes: short_description and/or full_description."
+            )
+
+        expected_titles = {item.title for item in IDEA_PRODUCTS}
+        expected_prices = {item.title: item.price_eur for item in IDEA_PRODUCTS}
+        found_products = Product.objects.filter(product_class=product_class)
+        found_titles = set(found_products.values_list("title", flat=True))
+        missing_titles = sorted(expected_titles - found_titles)
+        if missing_titles:
+            raise CommandError(f"Missing seeded idea products: {', '.join(missing_titles)}.")
+
+        non_public_idea_titles = list(
+            found_products.filter(title__in=expected_titles, is_public=False).values_list(
+                "title", flat=True
+            )
+        )
+        if non_public_idea_titles:
+            raise CommandError(
+                "Seeded idea products must be public to appear in the storefront. "
+                f"Examples: {', '.join(sorted(non_public_idea_titles))}"
+            )
+
+        invalid_shipping_products = [
+            product.title
+            for product in found_products
+            if getattr(product, "is_shipping_required", False)
+        ]
+        if invalid_shipping_products:
+            raise CommandError(
+                "Some idea products still require shipping; expected digital-only products: "
+                + ", ".join(invalid_shipping_products)
+            )
+
+        # Validate each seeded idea has EUR stockrecord pricing in the expected range.
+        invalid_stockrecords: list[str] = []
+        missing_stockrecords: list[str] = []
+        for product in found_products.filter(title__in=expected_titles):
+            stockrecord = (
+                StockRecord.objects.filter(product=product)
+                .order_by("id")
+                .first()
+            )
+            if stockrecord is None:
+                missing_stockrecords.append(product.title)
+                continue
+
+            if stockrecord.price_currency != "EUR":
+                invalid_stockrecords.append(
+                    f"{product.title} (currency={stockrecord.price_currency})"
+                )
+                continue
+
+            expected = expected_prices[product.title]
+            actual = stockrecord.price_excl_tax
+            if actual is None or actual != expected:
+                invalid_stockrecords.append(
+                    f"{product.title} (price_excl_tax={actual}, expected={expected})"
+                )
+                continue
+
+            if actual < 29 or actual > 149:
+                invalid_stockrecords.append(
+                    f"{product.title} (out-of-range price_excl_tax={actual})"
+                )
+
+        if missing_stockrecords:
+            raise CommandError(
+                "Missing stockrecords for seeded idea products: "
+                + ", ".join(sorted(missing_stockrecords))
+            )
+        if invalid_stockrecords:
+            raise CommandError(
+                "Invalid stockrecord pricing for seeded idea products: "
+                + "; ".join(sorted(invalid_stockrecords))
+            )
+
+        non_idea_public_titles = list(
+            Product.objects.exclude(title__in=expected_titles)
+            .filter(is_public=True)
+            .values_list("title", flat=True)[:10]
+        )
+        if non_idea_public_titles:
+            raise CommandError(
+                "Non-idea products are still public. Retire them before launch. "
+                f"Examples: {', '.join(non_idea_public_titles)}"
+            )
+
+        demo_page_filter = Q()
+        for marker in DEMO_MARKERS:
+            demo_page_filter |= (
+                Q(title__icontains=marker)
+                | Q(slug__icontains=marker)
+                | Q(search_description__icontains=marker)
+            )
+
+        live_demo_pages = (
+            Page.objects.live()
+            .public()
+            .exclude(depth__lte=2)
+            .filter(demo_page_filter | Q(slug__in=BLOCKED_DEMO_PAGE_SLUGS))
+            .values_list("title", "slug")[:10]
+        )
+        if live_demo_pages:
+            formatted = ", ".join(f"{title} ({slug})" for title, slug in live_demo_pages)
+            raise CommandError(
+                "Demo-like pages are still live/public. Purge them before launch. "
+                f"Examples: {formatted}"
+            )
+
+        self.stdout.write(
+            self.style.SUCCESS(
+                "Idea marketplace launch validation passed: "
+                f"{len(found_titles)} products, EUR currency, checkout apps={checkout_apps}, "
+                f"payment apps={payment_apps}."
+            )
+        )

mandelstudio/templatetags/idea_marketplace.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from django import template
+
+from mandelstudio.idea_marketplace import (
+    get_idea_full_description,
+    get_idea_short_description,
+    get_unlockable_description,
+    is_idea_product,
+    user_has_unlocked_idea,
+)
+
+register = template.Library()
+
+
+@register.simple_tag
+def idea_is_product(product):
+    return is_idea_product(product)
+
+
+@register.simple_tag
+def idea_is_unlocked(product, user):
+    return user_has_unlocked_idea(user, product)
+
+
+@register.simple_tag
+def idea_payments_enabled():
+    from django.conf import settings
+
+    return getattr(settings, "IDEA_MARKETPLACE_PAYMENTS_ENABLED", False)
+
+
+@register.simple_tag
+def idea_short_description(product):
+    return get_idea_short_description(product)
+
+
+@register.simple_tag
+def idea_full_description(product):
+    return get_idea_full_description(product)
+
+
+@register.simple_tag
+def idea_description_for_user(product, user):
+    return get_unlockable_description(product, user)