feat: improve public listing detail

Expose public condition labels and safe market values on listing details, with Storybook coverage for market value presentation.

apps/api/src/modules/listings/repositories/listing-repository.js

@@ -1,8 +1,11 @@
 import { and, asc, count, desc, eq, ilike, inArray, or, sql } from 'drizzle-orm';
 
 import {
+  conditions,
   inventoryItems,
   listings,
+  marketValueOverrides,
+  marketValuations,
   products,
 } from '../../../infrastructure/database/schema.js';
 
@@ -134,17 +137,31 @@ export function createListingRepository(db) {
 
     async findPublicById(listingId) {
       const [result] = await db
-        .select({ listing: listings })
+        .select({ listing: listings, condition: conditions })
         .from(listings)
         .innerJoin(inventoryItems, eq(inventoryItems.id, listings.inventoryItemId))
         .innerJoin(products, eq(products.id, inventoryItems.productId))
+        .innerJoin(conditions, eq(conditions.id, inventoryItems.conditionId))
         .where(and(
           eq(listings.id, listingId),
           inArray(listings.status, ['AVAILABLE', 'PENDING']),
           eq(inventoryItems.status, 'ACTIVE'),
         ));
 
-      return result?.listing ?? null;
+      if (!result) return null;
+      const [override] = await db.select().from(marketValueOverrides)
+        .where(eq(marketValueOverrides.inventoryItemId, result.listing.inventoryItemId))
+        .orderBy(desc(marketValueOverrides.createdAt)).limit(1);
+      const [valuation] = await db.select().from(marketValuations)
+        .where(eq(marketValuations.inventoryItemId, result.listing.inventoryItemId))
+        .orderBy(desc(marketValuations.calculatedAt)).limit(1);
+      return {
+        ...result.listing,
+        conditionName: result.condition.name,
+        conditionCode: result.condition.code,
+        marketValueMinor: override?.valueMinor ?? valuation?.valueMinor ?? null,
+        marketValueCurrency: override?.currency ?? valuation?.currency ?? null,
+      };
     },
 
     async updateStatus(listingId, status) {

apps/web/src/components/organisms/CollectibleDetail.stories.js

@@ -7,6 +7,7 @@ export const ListingDetail = {
     title: 'Charizard ex #199/165',
     status: 'AVAILABLE',
     priceMinor: 11500,
+    marketValueMinor: 12000,
     condition: 'Near Mint',
     description: 'A clean collector copy with a clear front and back.',
     facts: [

apps/web/src/components/organisms/CollectibleDetail.vue

@@ -8,6 +8,8 @@ defineProps({
   title: { type: String, required: true },
   status: { type: String, default: '' },
   priceMinor: { type: Number, default: null },
+  marketValueMinor: { type: Number, default: null },
+  marketValueCurrency: { type: String, default: 'USD' },
   condition: { type: String, default: '' },
   description: { type: String, default: '' },
   facts: { type: Array, default: () => [] },
@@ -27,6 +29,7 @@ defineProps({
       <p v-if="description" class="detail-notes">{{ description }}</p>
       <div class="collectible-detail__summary">
         <PriceDisplay v-if="priceMinor !== null" :amount-minor="priceMinor" />
+        <PriceDisplay v-if="marketValueMinor !== null" label="Market value" :amount-minor="marketValueMinor" />
         <ConditionBadge v-if="condition" :label="condition" />
       </div>
       <dl v-if="facts.length" class="product-facts">

apps/web/src/pages/ListingDetailPage.vue

@@ -31,7 +31,9 @@ onMounted(async () => {
       :title="listing.productName"
       :status="listing.status"
       :price-minor="listing.askingPriceMinor"
-      :condition="listing.conditionId"
+      :market-value-minor="listing.marketValueMinor"
+      :market-value-currency="listing.marketValueCurrency"
+      :condition="listing.conditionName ? `${listing.conditionName} (${listing.conditionCode})` : listing.conditionId"
       :description="listing.notes"
       :images="listing.images"
     />