Added several CallGS handlers.

GameServer/Server/CallGS/Handlers/Achievement/Achievement_GetReward.cs

@@ -1,13 +1,14 @@
 namespace MikuSB.GameServer.Server.CallGS.Handlers.Achievement;
 
+// Client requests a reward for a completed achievement.
+// param: {nId}
+// Response: {}
 [CallGSApi("Achievement_GetReward")]
 public class Achievement_GetReward : ICallGSHandler
 {
     public async Task Handle(Connection connection, string param, ushort seqNo)
     {
-        // param: json.encode({nId = nId})
-        // TODO: implement reward logic
-
+        // TODO: validate achievement completion and grant reward items
         await CallGSRouter.SendScript(connection, "Achievement_GetReward", "{}", seqNo);
     }
 }

GameServer/Server/CallGS/Handlers/Achievement/Achievement_OnAddSomeOne.cs

@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Achievement;
+
+// Client notifies the server that an achievement trigger condition was met. No response required.
+// param: {nType}
+[CallGSApi("Achievement_OnAddSomeOne")]
+public class Achievement_OnAddSomeOne : ICallGSHandler
+{
+    public Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: process achievement progress for the given nType
+        return Task.CompletedTask;
+    }
+}

GameServer/Server/CallGS/Handlers/Activity/ActivityFace_Update.cs

@@ -0,0 +1,14 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Activity;
+
+// Updates the lobby activity face (presentation effect).
+// param: {nType(1=equip, 2=unequip, 3=set flag), nId, bFlag}
+// Response: {nFaceId, nId, nType} — nFaceId=0 means no next face
+[CallGSApi("ActivityFace_Update")]
+public class ActivityFace_Update : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: process face equip/unequip state and return the next face to display
+        await CallGSRouter.SendScript(connection, "ActivityFace_Update", "{\"nFaceId\":0,\"nId\":0,\"nType\":0}", seqNo);
+    }
+}

GameServer/Server/CallGS/Handlers/Activity/Activity_Refresh.cs

@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Activity;
+
+// Client requests an activity state refresh. No s2c callback registered on client side.
+// param: {nId}
+[CallGSApi("Activity_Refresh")]
+public class Activity_Refresh : ICallGSHandler
+{
+    public Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: refresh activity state for the given nId
+        return Task.CompletedTask;
+    }
+}

GameServer/Server/CallGS/Handlers/Chapter/Chapter_SyncGuideLevelPassData.cs

@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Chapter;
+
+// Client syncs completed guide level data to the server. No response required.
+// param: {tbData = [{nLevelID, passTime}, ...]}
+[CallGSApi("Chapter_SyncGuideLevelPassData")]
+public class Chapter_SyncGuideLevelPassData : ICallGSHandler
+{
+    public Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: persist guide level pass data to player save
+        return Task.CompletedTask;
+    }
+}

GameServer/Server/CallGS/Handlers/Daily/Daily_GetActivityInfo.cs

@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Daily;
+
+// Returns daily activity info for each activity type.
+// Response: {activityId: tbActivity}
+[CallGSApi("Daily_GetActivityInfo")]
+public class Daily_GetActivityInfo : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: return actual daily activity data
+        await CallGSRouter.SendScript(connection, "Daily_GetActivityInfo", "{}", seqNo);
+    }
+}

GameServer/Server/CallGS/Handlers/Misc/LanguageChange.cs

@@ -0,0 +1,10 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Misc;
+
+// Client notifies the server of its language setting. No response required.
+// param: {nType, sLan, sEx}
+[CallGSApi("LanguageChange")]
+public class LanguageChange : ICallGSHandler
+{
+    public Task Handle(Connection connection, string param, ushort seqNo)
+        => Task.CompletedTask;
+}

GameServer/Server/CallGS/Handlers/Misc/ZoneTime_ReqTime.cs

@@ -0,0 +1,16 @@
+using MikuSB.Util.Extensions;
+
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Misc;
+
+// Client requests server time to calculate timezone offset.
+// nTime1/nTime2 are DST transition reference timestamps; returning the same value means no offset.
+[CallGSApi("ZoneTime_ReqTime")]
+public class ZoneTime_ReqTime : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        var now = Extensions.GetUnixSec();
+        var arg = $"{{\"nTime1\":{now},\"nTime2\":{now}}}";
+        await CallGSRouter.SendScript(connection, "ZoneTime_ChangeTime", arg, seqNo);
+    }
+}

GameServer/Server/CallGS/Handlers/Preview/ReqEntranceGreenLevel.cs

@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Preview;
+
+// Returns the green (unlocked) level for each skin manifestation.
+// Response: [{skinId, greenLevel}, ...]
+[CallGSApi("ReqEntranceGreenLevel")]
+public class ReqEntranceGreenLevel : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: return actual skin green levels from player data
+        await CallGSRouter.SendScript(connection, "ReqEntranceGreenLevel", "[]", seqNo);
+    }
+}

GameServer/Server/CallGS/Handlers/Shop/ShopLogic_GetOpenTime.cs

@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Shop;
+
+// Returns the open/close timestamps for each shop tab.
+// Response: {shopId: {nBegin, nEnd}}
+[CallGSApi("ShopLogic_GetOpenTime")]
+public class ShopLogic_GetOpenTime : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // TODO: return actual shop open times from config
+        await CallGSRouter.SendScript(connection, "ShopLogic_GetOpenTime", "{}", seqNo);
+    }
+}