feat: expand initial content lookback from 1 hour to 7 days

Allows providers to retrieve content from the past week on first poll
instead of only the last hour.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: csharpfritz

src/TagzApp.Common/InMemoryContentMessaging.cs

@@ -79,7 +79,7 @@ public void StartProviders(IEnumerable<ISocialMediaProvider> providers, Cancella
 
 				if (provider is null) return;
 
-				var lastQueryTime = DateTimeOffset.UtcNow.AddHours(-1);
+				var lastQueryTime = DateTimeOffset.UtcNow.AddDays(-7);
 
 				await provider.StartAsync();
 

src/TagzApp.Storage.Postgres/PostgresMessaging.cs

@@ -57,7 +57,7 @@ public void StartTaskForProvider(ISocialMediaProvider provider, IProviderConfigu
 			var provider = state as ISocialMediaProvider;
 			// TODO: Check if this can done another way.
 			if (provider == null) return;
-			var lastQueryTime = DateTimeOffset.UtcNow.AddHours(-1);
+			var lastQueryTime = DateTimeOffset.UtcNow.AddDays(-7);
 
 			await provider.StartAsync();