コード品質/エコシステムバージョン管理

.editorconfig

@@ -179,6 +179,9 @@ dotnet_diagnostic.SA1640.severity = none       # File header must have valid com
 dotnet_diagnostic.SA1641.severity = none       # File header company name text must match
 dotnet_diagnostic.SA1642.severity = none       # Constructor summary must begin with standard text
 dotnet_diagnostic.SA1643.severity = none       # Destructor summary must begin with standard text
+dotnet_diagnostic.SA1618.severity = none       # Missing documentation for type parameter
+dotnet_diagnostic.SA1629.severity = none       # Documentation text should end with a period
+dotnet_diagnostic.SA1649.severity = none       # File name should match first type name
 
 # --- Readability ---
 dotnet_diagnostic.SA1101.severity = none       # this. 強制 → 本プロジェクトは this. 不使用 (dotnet/runtime 準拠)
@@ -201,6 +204,7 @@ dotnet_diagnostic.SA1202.severity = none       # アクセスレベル順の強
 dotnet_diagnostic.SA1204.severity = none       # static メンバーを先に → 機能単位グループ化を許容
 
 # --- Spacing (モダン C# との競合) ---
+dotnet_diagnostic.SA1000.severity = none       # new キーワード後のスペース → target-typed new() と WHITESPACE ルールが競合
 dotnet_diagnostic.SA1010.severity = none       # 開き角括弧 → C# 12 コレクション式 [1,2,3] で誤検知
 dotnet_diagnostic.SA1011.severity = none       # 閉じ角括弧 → Nullable 配列 byte[]? で誤検知
 

.github/dependabot.yml

@@ -1,6 +1,63 @@
 version: 2
 updates:
+  # GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
+
+  # NuGet（Directory.Packages.props で一元管理）
+  - package-ecosystem: "nuget"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      dotnet-minor:
+        update-types: ["minor", "patch"]
+
+  # Docker — .NET ベースイメージ
+  - package-ecosystem: "docker"
+    directory: "/docker/game-server"
+    schedule:
+      interval: "weekly"
+    groups:
+      dotnet-images:
+        patterns: ["*"]
+
+  - package-ecosystem: "docker"
+    directory: "/docker/game-server/prod"
+    schedule:
+      interval: "weekly"
+    groups:
+      dotnet-images:
+        patterns: ["*"]
+
+  - package-ecosystem: "docker"
+    directory: "/docker/game-realtime"
+    schedule:
+      interval: "weekly"
+    groups:
+      dotnet-images:
+        patterns: ["*"]
+
+  - package-ecosystem: "docker"
+    directory: "/docker/game-realtime/prod"
+    schedule:
+      interval: "weekly"
+    groups:
+      dotnet-images:
+        patterns: ["*"]
+
+  - package-ecosystem: "docker"
+    directory: "/docker/migrate"
+    schedule:
+      interval: "weekly"
+    groups:
+      dotnet-images:
+        patterns: ["*"]
+
+  # Docker — Unity Accelerator
+  - package-ecosystem: "docker"
+    directory: "/docker/unity-accelerator"
+    schedule:
+      interval: "weekly"

.github/workflows/code-quality.yml

@@ -91,7 +91,6 @@ jobs:
   dotnet-format:
     name: dotnet format Check
     runs-on: ubuntu-latest
-    # Server/Shared が存在する場合のみ実行
     continue-on-error: true
     steps:
       - name: Checkout repository
@@ -138,10 +137,10 @@ jobs:
   unity-analyze:
     name: Unity Analyzer
     runs-on: [self-hosted, linux, unity, docker]
+    continue-on-error: true
     # PR 時のみ実行（リソース節約）
     if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
     timeout-minutes: 20
-    continue-on-error: true
 
     steps:
       - name: Checkout repository
@@ -232,6 +231,7 @@ jobs:
             echo "### Critical Issues" >> $GITHUB_STEP_SUMMARY
             echo "- UNT0002: Use == operator for null checks on Unity objects" >> $GITHUB_STEP_SUMMARY
             grep "error UNT0002" "$log_file" | head -5 >> $GITHUB_STEP_SUMMARY
+            exit 1
           fi
 
           echo "::endgroup::"

docker/unity-accelerator/Dockerfile

@@ -4,10 +4,10 @@
 # - ディレクトリ初期化処理
 # - パーミッション設定
 #
-# Note: ベースイメージのパッケージリストが古いため curl インストール不可
-#       ヘルスチェックは Runner からの接続で代替
+# ベースイメージ: https://hub.docker.com/r/unity/accelerator
+# ※ unitytechnologies/accelerator は非推奨（2022年以降更新なし）
 
-FROM unitytechnologies/accelerator:latest
+FROM unity/accelerator:v1.5.99-g262ce04b
 
 # カスタムエントリポイントをコピー
 COPY entrypoint.sh /custom-entrypoint.sh

src/Game.Server.Shared/Game.Server.Shared.csproj

@@ -22,6 +22,16 @@
     <PackageReference Include="DistributedLock.Redis" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" />
     <PackageReference Include="Google.Apis.Auth" />
+
+    <!-- Analyzers -->
+    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="StyleCop.Analyzers">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
   </ItemGroup>
 
 </Project>

src/Game.Shared/Runtime/Shared/Dto/AuthDto.cs

@@ -7,7 +7,6 @@ namespace Game.Library.Shared.Dto
     // ============================================================
     // Request DTOs
     // ============================================================
-
     [MessagePackObject]
     public class LoginRequest
     {
@@ -97,7 +96,6 @@ public class UpdateUserRequest
     // ============================================================
     // Response DTOs
     // ============================================================
-
     [MessagePackObject]
     public class LoginResponse
     {

src/Game.Shared/Runtime/Shared/Dto/CommonResponseDto.cs

@@ -30,5 +30,7 @@ public class ApiErrorResponse
     }
 
     [MessagePackObject]
-    public class EmptyRequest { }
+    public class EmptyRequest
+    {
+    }
 }

src/Game.Shared/Runtime/Shared/Enums/AudioEnums.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Game.Library.Shared.Enums
 {
     public enum AudioCategory
@@ -42,4 +40,4 @@ public enum AudioPlayTag
         UIOpen = 9001,
         UIClose = 9002,
     }
-}
+}

src/Game.Shared/Runtime/Shared/Enums/ChatEnums.cs

@@ -8,14 +8,14 @@ namespace Game.Library.Shared.Enums
     [Flags]
     public enum ChatRoomPermissions
     {
-        None         = 0,
-        Join         = 1 << 0,
-        SendMessage  = 1 << 1,
-        Leave        = 1 << 2,
-        Invite       = 1 << 3,
-        Kick         = 1 << 4,
-        Delete       = 1 << 5,
+        None = 0,
+        Join = 1 << 0,
+        SendMessage = 1 << 1,
+        Leave = 1 << 2,
+        Invite = 1 << 3,
+        Kick = 1 << 4,
+        Delete = 1 << 5,
         ManageMember = 1 << 6,
-        ManageRoom   = 1 << 7,
+        ManageRoom = 1 << 7,
     }
 }

src/Game.Shared/Runtime/Shared/StateMachine.cs

@@ -6,32 +6,32 @@
 {
     internal interface IState
     {
-        public void Enter()
+        void Enter()
         {
         }
 
-        public void Update()
+        void Update()
         {
         }
 
         // MonoBehavior.FixedUpdate
-        public void FixedUpdate()
+        void FixedUpdate()
         {
         }
 
         // MonoBehavior.LateUpdate
-        public void LateUpdate()
+        void LateUpdate()
         {
         }
 
-        public void Exit()
+        void Exit()
         {
         }
     }
 
     internal interface IStateMachineContext<out TContext>
     {
-        public TContext Context { get; }
+        TContext Context { get; }
     }
 
     /// <summary>
@@ -42,7 +42,7 @@
     public abstract class State<TContext, TEvent> : IState, IStateMachineContext<TContext>
     {
         /// <summary>所属するステートマシンへの参照</summary>
         protected internal StateMachine<TContext, TEvent> StateMachine { get; init; }
 
         /// <summary>共有コンテキストへのアクセサ</summary>
         public TContext Context => StateMachine.Context;
@@ -77,7 +77,7 @@
     {
         Waiting,   // 遷移リクエストしたが順番待ち、次回Updateで再度リクエスト
         Succeeded, // 遷移リクエストが受付られ、次回Updateで処理される
-        Failed     // 遷移テーブルにないリクエスト
+        Failed // 遷移テーブルにないリクエスト
     }
 
     /// <summary>
@@ -108,7 +108,7 @@
 
         protected virtual bool AllowForceTransition => false;
 
         public StateMachine(TContext context)
         {
             Context = context;
         }
@@ -296,7 +296,7 @@
                 // 実行ステートを変更
                 {
                     _currentState = _nextState;
                     _nextState = null;
                 }
 
                 try
@@ -307,7 +307,7 @@
                 catch (Exception e)
                 {
                     _nextState = _currentState;
                     _currentState = null;
                     _currentPhase = StatePhase.Idle;
                     throw new InvalidOperationException($"State.Enter() failed in {_currentState?.GetType().Name}: {e.Message}\\n{e.StackTrace}");
                 }
@@ -334,7 +334,7 @@
                     _currentState.Exit();
 
                     _currentState = _nextState;
                     _nextState = null;
 
                     _currentPhase = StatePhase.Entering;
                     _currentState.Enter();