Move the federation code under Federation/, namespaces only

Services/Federation and Controllers/ServerToServer become
Federation/{Actors,Signing,Inbox,Outbox,Rendering,Controllers}, the first step
of the roadmap's layout. No type, route or behaviour changes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012CzABvBkbcFqoHdmi8b9WB

CLAUDE.md

@@ -73,13 +73,16 @@ PrivaPub/                         ASP.NET Core Web API, net10.0
   Middleware/SocialPubConfigurations.cs   every DI registration (auth, federation, services, swagger, CORS)
   Controllers/ClientToServer/     /clientapi/*: RootUser (signup/login/invitations/recovery), PrivateAvatar,
                                   Group, Post (posts + DMs), Admin, Data
-  Controllers/ServerToServer/     PeasantsController (actor, outbox, followers, following, posts, inboxes),
+  Federation/
+    Controllers/                  PeasantsController (actor, outbox, followers, following, posts, inboxes),
                                   WellKnownController (webfinger, nodeinfo), UsersController (redirect)
+    Actors/                       LocalActorService (LocalActor, Keys), RemoteActorService (signed fetch,
+                                  WebFinger, ForeignAvatar cache)
+    Signing/                      HttpSignatures (draft-cavage sign/verify)
+    Inbox/                        InboxService (Follow/Undo/Create/Delete/Update)
+    Outbox/                       DeliveryService + DeliveryWorker
+    Rendering/                    ActivityPubRenderer (JsonObject builders)
   Services/                       RootUsersService, GroupUsersService, PostsService, AppConfigurationService, …
-  Services/Federation/            LocalActorService (LocalActor, Keys), HttpSignatures (draft-cavage),
-                                  RemoteActorService (signed fetch, WebFinger, ForeignAvatar cache),
-                                  ActivityPubRenderer (JsonObject builders), DeliveryService + DeliveryWorker,
-                                  InboxService (Follow/Undo/Create/Delete/Update)
   Models/                         Mongo entities: User/, Group/, Post/, Federation/, AppConfiguration
   StaticServices/                 DbEntities (Find<T> accessors), AuthTokenManager (JWT), PasswordHasher
   Data/InitDb.cs                  first-run seeding (languages)

PrivaPub/Federation/Actors/LocalActorService.cs

@@ -11,7 +11,7 @@ using System.Security.Cryptography;
 
 using GroupEntity = PrivaPub.Models.Group.Group;
 
-namespace PrivaPub.Services.Federation
+namespace PrivaPub.Federation.Actors
 {
 	public class LocalActor
 	{

PrivaPub/Federation/Actors/RemoteActorService.cs

@@ -5,8 +5,9 @@ using PrivaPub.StaticServices;
 
 using System.Net.Http.Headers;
 using System.Text.Json;
+using PrivaPub.Federation.Signing;
 
-namespace PrivaPub.Services.Federation
+namespace PrivaPub.Federation.Actors
 {
 	public interface IRemoteActorService
 	{

PrivaPub/Federation/Controllers/PeasantsController.cs

@@ -3,14 +3,16 @@ using Microsoft.AspNetCore.Mvc;
 using MongoDB.Entities;
 
 using PrivaPub.Models.Federation;
-using PrivaPub.Services.Federation;
 using PrivaPub.StaticServices;
 
 using System.Text.Json.Nodes;
 
 using PostEntity = PrivaPub.Models.Post.Post;
+using PrivaPub.Federation.Actors;
+using PrivaPub.Federation.Rendering;
+using PrivaPub.Federation.Inbox;
 
-namespace PrivaPub.Controllers.ServerToServer
+namespace PrivaPub.Federation.Controllers
 {
 	[ApiController, Route("peasants")]
 	public class PeasantsController : ControllerBase

PrivaPub/Federation/Controllers/UsersController.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace PrivaPub.Controllers.ServerToServer
+namespace PrivaPub.Federation.Controllers
 {
 	[ApiController, Route("users")]
 	public class UsersController : ControllerBase

PrivaPub/Federation/Controllers/WellKnownController.cs

@@ -4,14 +4,14 @@ using MongoDB.Entities;
 
 using PrivaPub.Models.Federation;
 using PrivaPub.Models.User;
-using PrivaPub.Services.Federation;
 using PrivaPub.StaticServices;
 
 using System.Text.Json.Nodes;
 
 using PostEntity = PrivaPub.Models.Post.Post;
+using PrivaPub.Federation.Actors;
 
-namespace PrivaPub.Controllers.ServerToServer
+namespace PrivaPub.Federation.Controllers
 {
 	[ApiController]
 	public class WellKnownController : ControllerBase

PrivaPub/Federation/Inbox/InboxService.cs

@@ -11,8 +11,12 @@ using System.Text.Json.Nodes;
 using DmPostEntity = PrivaPub.Models.Post.DmPost;
 using GroupEntity = PrivaPub.Models.Group.Group;
 using PostEntity = PrivaPub.Models.Post.Post;
+using PrivaPub.Federation.Actors;
+using PrivaPub.Federation.Signing;
+using PrivaPub.Federation.Rendering;
+using PrivaPub.Federation.Outbox;
 
-namespace PrivaPub.Services.Federation
+namespace PrivaPub.Federation.Inbox
 {
 	public sealed record InboxResult(int StatusCode, string Error = default);
 

PrivaPub/Federation/Outbox/DeliveryService.cs

@@ -7,8 +7,10 @@ using System.Net;
 using System.Net.Http.Headers;
 using System.Text;
 using System.Text.Json.Nodes;
+using PrivaPub.Federation.Actors;
+using PrivaPub.Federation.Signing;
 
-namespace PrivaPub.Services.Federation
+namespace PrivaPub.Federation.Outbox
 {
 	public interface IDeliveryService
 	{

PrivaPub/Federation/Rendering/ActivityPubRenderer.cs

@@ -7,8 +7,9 @@ using System.Text.Json.Nodes;
 
 using PostEntity = PrivaPub.Models.Post.Post;
 using DmPostEntity = PrivaPub.Models.Post.DmPost;
+using PrivaPub.Federation.Actors;
 
-namespace PrivaPub.Services.Federation
+namespace PrivaPub.Federation.Rendering
 {
 	public static class ActivityPubRenderer
 	{

PrivaPub/Federation/Signing/HttpSignatures.cs

@@ -1,8 +1,9 @@
 using System.Globalization;
 using System.Security.Cryptography;
 using System.Text;
+using PrivaPub.Federation.Actors;
 
-namespace PrivaPub.Services.Federation
+namespace PrivaPub.Federation.Signing
 {
 	public sealed record SignatureParameters(string KeyId, string Algorithm, string[] Headers, byte[] Signature,
 		string Created, string Expires);

PrivaPub/Middleware/SocialPubConfigurations.cs

@@ -11,7 +11,9 @@ using System.Text.Json.Serialization;
 using Microsoft.OpenApi;
 using PrivaPub.Services.ClientToServer.Private;
 using PrivaPub.Services.ClientToServer.Public;
-using PrivaPub.Services.Federation;
+using PrivaPub.Federation.Actors;
+using PrivaPub.Federation.Outbox;
+using PrivaPub.Federation.Inbox;
 
 namespace PrivaPub.Middleware
 {

PrivaPub/Services/ClientToServer/Private/IPrivateAvatarUsersService.cs

@@ -7,8 +7,8 @@ using PrivaPub.ClientModels.User;
 using PrivaPub.ClientModels.User.Avatar;
 using PrivaPub.Models.User;
 using PrivaPub.Resources;
-using PrivaPub.Services.Federation;
 using PrivaPub.StaticServices;
+using PrivaPub.Federation.Actors;
 
 namespace PrivaPub.Services.ClientToServer.Private
 {

PrivaPub/Services/GroupUsersService.cs

@@ -7,10 +7,12 @@ using PrivaPub.ClientModels.Group;
 using PrivaPub.Models.Federation;
 using PrivaPub.Models.Group;
 using PrivaPub.Resources;
-using PrivaPub.Services.Federation;
 using PrivaPub.StaticServices;
 
 using GroupEntity = PrivaPub.Models.Group.Group;
+using PrivaPub.Federation.Actors;
+using PrivaPub.Federation.Rendering;
+using PrivaPub.Federation.Outbox;
 
 namespace PrivaPub.Services
 {

PrivaPub/Services/PostsService.cs

@@ -7,13 +7,15 @@ using PrivaPub.ClientModels.Post;
 using PrivaPub.Models.Federation;
 using PrivaPub.Models.Group;
 using PrivaPub.Resources;
-using PrivaPub.Services.Federation;
 using PrivaPub.StaticServices;
 
 using System.Text.Json.Nodes;
 
 using DmPostEntity = PrivaPub.Models.Post.DmPost;
 using PostEntity = PrivaPub.Models.Post.Post;
+using PrivaPub.Federation.Actors;
+using PrivaPub.Federation.Rendering;
+using PrivaPub.Federation.Outbox;
 
 namespace PrivaPub.Services
 {