move win/gatuna-client to gatuna-win, rename project to gatuna

- Directory: win/gatuna-client/ -> gatuna-win/
- Project file: gatuna-client.csproj -> gatuna.csproj
- Assembly name: gatuna-client -> gatuna
- Root namespace: gatuna_client -> gatuna
- All .cs files: namespace gatuna_client -> gatuna
- app.manifest: assemblyIdentity name -> gatuna
- README: updated all paths and references

README.md

@@ -19,8 +19,8 @@ pass unimpeded. See `wireguard-windows/tunnel/firewall/blocker.go:156`.
 - **`gatunad`** — Rust server (`gatunad/`). Runs on the peer (Linux) that owns
   the real services. Announces upstreams and relays TCP between the tunnel and
   `127.0.0.1:<port>`.
-- **`gatuna-client`** — .NET 8 WinForms client (`win/gatuna-client/`). Runs on
-  the killswitched Windows box. Discovers the server, presents its upstreams as
+- **`gatuna`** — .NET 8 WinForms client (`gatuna-win/`). Runs on the
+  killswitched Windows box. Discovers the server, presents its upstreams as
   local loopback listeners, and hauls bytes over the same L2 protocol. Includes
   a network test (PING/PONG) for measuring latency, jitter, and loss.
 
@@ -65,9 +65,9 @@ sudo ./gatunad eth0 22 8800:site-a 8080:site-b
 Exposes upstreams `1→127.0.0.1:22`, `2→127.0.0.1:8800` (label `site-a`),
 `3→127.0.0.1:8080` (label `site-b`).
 
-## `gatuna-client` usage
+## `gatuna` usage
 
-1. Launch `gatuna-client.exe` (UAC prompt expected — Npcap requires admin).
+1. Launch `gatuna.exe` (UAC prompt expected — Npcap requires admin).
 2. Select the network adapter connected to the same L2 segment as the server.
 3. Click **Discover**. The server's hostname and MAC appear; the upstream list
    populates.
@@ -105,13 +105,13 @@ The binary is at `gatunad/target/release/gatunad`.
 ### Build the client (Windows)
 
 ```powershell
-cd win\gatuna-client
+cd gatuna-win
 dotnet build -c Release
 ```
 
 Or run directly:
 ```powershell
-dotnet run --project win\gatuna-client -c Release
+dotnet run --project gatuna-win -c Release
 ```
 
 ### Npcap
@@ -168,9 +168,8 @@ gatuna/
 │       ├── frame.rs         # wire protocol encode/decode
 │       ├── upstream.rs      # cmdline parsing, hostname, upstream table
 │       └── session.rs       # session store, socket→tunnel pump
-└── win/
-    └── gatuna-client/       # .NET 8 WinForms client
-        ├── gatuna-client.csproj
+└── gatuna-win/              # .NET 8 WinForms client
+    ├── gatuna.csproj
     ├── app.manifest         # requireAdministrator
     ├── Program.cs           # tray icon, entry point
     ├── MainForm.cs          # UI: adapter picker, discover, test, upstream list

gatuna-win/Frame.cs

@@ -1,4 +1,4 @@
-namespace gatuna_client;
+namespace gatuna;
 
 using System.Text;
 

gatuna-win/MainForm.cs

@@ -1,6 +1,6 @@
 using SharpPcap.LibPcap;
 
-namespace gatuna_client;
+namespace gatuna;
 
 public partial class MainForm : Form
 {

gatuna-win/PingTest.cs

@@ -1,6 +1,6 @@
 using System.Collections.Concurrent;
 
-namespace gatuna_client;
+namespace gatuna;
 
 sealed class PingTest
 {

gatuna-win/Program.cs

@@ -1,4 +1,4 @@
-namespace gatuna_client;
+namespace gatuna;
 
 static class Program
 {

gatuna-win/SessionManager.cs

@@ -3,7 +3,7 @@ using System.Net;
 using System.Net.Sockets;
 using System.Threading.Channels;
 
-namespace gatuna_client;
+namespace gatuna;
 
 sealed class SessionManager : IDisposable
 {

gatuna-win/TunnelLink.cs

@@ -1,7 +1,7 @@
 using SharpPcap;
 using SharpPcap.LibPcap;
 
-namespace gatuna_client;
+namespace gatuna;
 
 sealed class TunnelLink : IDisposable
 {

gatuna-win/app.manifest

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
-  <assemblyIdentity version="0.1.0.0" name="gatuna-client" />
+  <assemblyIdentity version="0.1.0.0" name="gatuna" />
   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
     <security>
       <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">

gatuna-win/gatuna.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net8.0-windows</TargetFramework>
-    <RootNamespace>gatuna_client</RootNamespace>
+    <AssemblyName>gatuna</AssemblyName>
+    <RootNamespace>gatuna</RootNamespace>
     <Nullable>enable</Nullable>
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>