Implemented phase 5 for the POC prototype in the Website service.

Services/Website/Sources/App/Extensions/App+Build.swift

@@ -1,5 +1,6 @@
 import Configuration
 import Hummingbird
+import HummingbirdFluent
 import Localization
 import Logging
 import Persistence
@@ -71,6 +72,7 @@ func application(
             logLevel: reader.logLevel,
             passkeysOrigin: reader.passkeysOrigin,
             probe: Probe(fluent: fluent),
+            fluent: fluent,
             accounts: AccountRepository(fluent: fluent),
             trade: TradeRepository(fluent: fluent),
             repository: repository,
@@ -186,6 +188,7 @@ private func logger(
 ///   - logLevel: the level the request-logging middleware logs at.
 ///   - passkeysOrigin: the origin the `PasskeyController` binds passkeys to.
 ///   - probe: the probe consulted by the `HealthController` readiness route.
+///   - fluent: the service the remaining repositories are built on.
 ///   - accounts: the repository the `SessionController` finds and creates accounts through.
 ///   - trade: the repository the `TradeController` reads and writes conversations, offers, and sales through.
 ///   - repository: the repository the `CatalogueController` reads the shops and listings through.
@@ -204,6 +207,7 @@ private func router(
     logLevel: Logger.Level,
     passkeysOrigin: String,
     probe: Probe,
+    fluent: Fluent,
     accounts: AccountRepository,
     trade: TradeRepository,
     repository: CatalogueRepository,
@@ -215,7 +219,26 @@ private func router(
         context: AppRequestContext.self,
         options: .autoGenerateHeadEndpoints
     )
-    let sessions = SessionStore(trade: trade)
+    let collecting = CollectingRepository(fluent: fluent)
+    let sessions = SessionStore(
+        trade: trade,
+        collecting: collecting
+    )
+    let root = RootController<AppRequestContext>(
+        assetVersion: assetVersion,
+        siteOrigin: siteOrigin,
+        analytics: analytics,
+        listings: listings,
+        sessions: sessions
+    )
+    // A sale takes a copy off the landing page and a new listing puts one on; either renders it again.
+    let refreshHome: @Sendable () async -> Void = { [home = root.home] in
+        guard let listings = try? await repository.listings() else {
+            return
+        }
+
+        await home.refresh(with: .init(from: listings))
+    }
 
     router.addMiddleware {
         LogRequestsMiddleware(logLevel)
@@ -241,13 +264,7 @@ private func router(
     }
 
     router.addController {
-        RootController<AppRequestContext>(
-            assetVersion: assetVersion,
-            siteOrigin: siteOrigin,
-            analytics: analytics,
-            listings: listings,
-            sessions: sessions
-        )
+        root
         CatalogueController<AppRequestContext>(
             repository: repository,
             sessions: sessions,
@@ -263,6 +280,20 @@ private func router(
             assetVersion: assetVersion,
             analytics: analytics
         )
+        AccountController<AppRequestContext>(
+            accounts: accounts,
+            catalogue: repository,
+            sessions: sessions,
+            assetVersion: assetVersion,
+            analytics: analytics
+        )
+        CollectingController<AppRequestContext>(
+            collecting: collecting,
+            catalogue: repository,
+            sessions: sessions,
+            assetVersion: assetVersion,
+            analytics: analytics
+        )
         PasskeyController<AppRequestContext>(
             origin: passkeysOrigin,
             accounts: accounts,
@@ -274,14 +305,16 @@ private func router(
             sessions: sessions,
             photos: PhotoStore(staticFilesPath: staticFilesPath),
             assetVersion: assetVersion,
-            analytics: analytics
+            analytics: analytics,
+            onCatalogueChange: refreshHome
         )
         TradeController<AppRequestContext>(
             trade: trade,
             catalogue: repository,
             sessions: sessions,
             assetVersion: assetVersion,
-            analytics: analytics
+            analytics: analytics,
+            onCatalogueChange: refreshHome
         )
         HealthController<AppRequestContext>(
             probe: probe