feat: Enhance API endpoints and add new features

- Added support for v3 gift generation in AvatarGiftsController.
- Updated club report messages to include club IDs for better tracking in CompatibilityFeatureController.
- Introduced new endpoints for voice moderation and whitelisted emojis in ConfigController.
- Modified image retrieval logic to support single image lookups by name in ImagesController.
- Adjusted incentivized referrals to return an empty array when no rewards are available in IncentivizedReferralsController.
- Implemented trial invention functionality in InventionsController.
- Added top creators today endpoint in PlayerSubscriptionsController.
- Expanded room earnings distribution functionality in RoomEarningsDistributionsController.
- Enhanced room search capabilities with pagination in RoomsController.
- Improved account name generation options in AccountsController.
- Added party invite privacy settings in PlayerSettingsController.
- Created CommentsController for handling unread comment counts.
- Established PurchaseCampaignController for handling purchase campaign telemetry.

DorkNet.Server/Controllers/API/PurchaseCampaign/PurchaseCampaignController.cs

@@ -0,0 +1,22 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DorkNet.Server.Controllers.API.PurchaseCampaign;
+
+/// <summary>
+/// Purchase-campaign impression telemetry. Client contract (RecNet.Runtime
+/// <c>JHAEJJEGPKJ(int)</c>) is a fire-and-forget POST carrying the campaign
+/// id; the return type is the response handle whose body the client ignores.
+/// DorkNet doesn't run ad/purchase campaigns, so there's nothing to record —
+/// we acknowledge the impression so the client's promise resolves instead of
+/// 404-rejecting. This is a genuine no-op telemetry sink, not a stub masking
+/// an unimplemented feature.
+/// </summary>
+[ApiController]
+[Authorize]
+public class PurchaseCampaignController : ControllerBase
+{
+    [HttpPost("/purchasecampaign/shown")]
+    [HttpPost("/purchasecampaign/shown/{campaignId:int}")]
+    public IActionResult Shown() => Ok();
+}