feat: add demand page modules and admin endpoints

Add full backend support for a demand request page, including:
- New database models for demand hero, feature cards, form configuration, and product recommendations
- Alembic migration for the new tables
- Default seed data for demand page components
- Public site config endpoint exposing demand data
- Admin CRUD operations and configuration for demand modules
- Extended lead query filters for source page, keyword, and date range
- Updated Pydantic schemas for lead query parameters
- Comprehensive test coverage for all new endpoints

app/seed.py

@@ -8,13 +8,18 @@ from urllib.parse import quote
 from sqlalchemy import delete, select
 from sqlalchemy.orm import Session
 from .auth import hash_password
-from .content import ALIASES, CAMPAIGNS, CTAS, DESTINATION_HERO, DESTINATION_REGIONS, DESTINATIONS, HERO_SLIDES, HOTEL_GROUPS, THEMES, VEHICLE_OPTIONS
+from .content import ALIASES, CAMPAIGNS, CTAS, DEMAND_FEATURE_CARDS, DEMAND_FORM, DEMAND_HERO, DEMAND_RECOMMENDATIONS, DESTINATION_HERO, DESTINATION_REGIONS, DESTINATIONS, HERO_SLIDES, HOTEL_GROUPS, THEMES, VEHICLE_OPTIONS
 from .database import Base, SessionLocal, engine
 from .models import (
     AdminUser,
     Campaign,
     CampaignProduct,
     CtaBanner,
+    DemandFeatureCard,
+    DemandForm,
+    DemandHero,
+    DemandRecommendation,
+    DemandRecommendationProduct,
     Destination,
     DestinationAlias,
     DestinationHero,
@@ -104,7 +109,7 @@ def load_products() -> list[dict]:
 
 def reset_guizhou_content(db: Session) -> dict:
     products = load_products()
-    for model in [SiteVersion, CampaignProduct, RouteSectionProduct, Campaign, RouteSection, ProductImage, Product, VehicleOption, HotelGroup, CtaBanner, ThemeCard, DestinationRegion, DestinationHero, HeroSlide, DestinationAlias, Destination, MediaAsset]:
+    for model in [SiteVersion, DemandRecommendationProduct, DemandRecommendation, DemandForm, DemandFeatureCard, DemandHero, CampaignProduct, RouteSectionProduct, Campaign, RouteSection, ProductImage, Product, VehicleOption, HotelGroup, CtaBanner, ThemeCard, DestinationRegion, DestinationHero, HeroSlide, DestinationAlias, Destination, MediaAsset]:
         db.execute(delete(model))
     db.flush()
 
@@ -188,6 +193,29 @@ def reset_guizhou_content(db: Session) -> dict:
                 sortOrder=index,
             )
         )
+
+    for index, item in enumerate(DEMAND_HERO):
+        db.add(
+            DemandHero(
+                title=item["title"],
+                kicker=item.get("kicker"),
+                description=item.get("description"),
+                steps=item.get("steps", []),
+                sortOrder=index,
+            )
+        )
+
+    for index, item in enumerate(DEMAND_FEATURE_CARDS):
+        db.add(
+            DemandFeatureCard(
+                title=item["title"],
+                description=item.get("description"),
+                sortOrder=index,
+            )
+        )
+
+    db.add(DemandForm(**DEMAND_FORM))
+
     for product in products:
         create_media(db, product.get("image"), "product", product["title"])
         matched_destination = product.get("destinationName") if product.get("destinationName") in destination_map else None
@@ -245,6 +273,22 @@ def reset_guizhou_content(db: Session) -> dict:
         for index, product in enumerate(section_products):
             db.add(RouteSectionProduct(sectionId=section.id, productId=product.id, sortOrder=index))
 
+    for sort_order, seed in enumerate(DEMAND_RECOMMENDATIONS):
+        recommendation = DemandRecommendation(
+            title=seed["title"],
+            subtitle=seed.get("subtitle"),
+            sortOrder=sort_order,
+        )
+        db.add(recommendation)
+        db.flush()
+        linked_products = db.scalars(
+            select(Product)
+            .where(Product.sourceId >= seed["start"] + 1, Product.sourceId <= seed["end"])
+            .order_by(Product.sourceId.asc())
+        ).all()
+        for index, product in enumerate(linked_products):
+            db.add(DemandRecommendationProduct(recommendationId=recommendation.id, productId=product.id, sortOrder=index))
+
     snapshot = SiteVersion(
         title="guizhou-content-reset",
         status="published",
@@ -259,6 +303,10 @@ def reset_guizhou_content(db: Session) -> dict:
             "routeSections": len(ROUTE_SECTION_DEFAULTS),
             "hotelGroups": len(HOTEL_GROUPS),
             "vehicleOptions": len(VEHICLE_OPTIONS),
+            "demandHero": len(DEMAND_HERO),
+            "demandFeatureCards": len(DEMAND_FEATURE_CARDS),
+            "demandForm": 1,
+            "demandRecommendations": len(DEMAND_RECOMMENDATIONS),
         },
     )
     db.add(snapshot)
@@ -274,6 +322,10 @@ def reset_guizhou_content(db: Session) -> dict:
         "routeSections": len(ROUTE_SECTION_DEFAULTS),
         "hotelGroups": len(HOTEL_GROUPS),
         "vehicleOptions": len(VEHICLE_OPTIONS),
+        "demandHero": len(DEMAND_HERO),
+        "demandFeatureCards": len(DEMAND_FEATURE_CARDS),
+        "demandForm": 1,
+        "demandRecommendations": len(DEMAND_RECOMMENDATIONS),
         "siteVersionId": snapshot.id,
     }