Add weekly consistency goals

api/QuestionsApi/Models/CreditModels.cs

@@ -111,6 +111,7 @@ public static class CreditReasonCodes
     public const string ExamSimulationComplete = "exam_simulation_complete";
     public const string SessionGoalComplete = "session_goal_complete";
     public const string DailyMissionComplete = "daily_mission_complete";
+    public const string WeeklyGoalComplete = "weekly_goal_complete";
     public const string Purchase = "purchase";
 }
 

api/QuestionsApi/Models/WeeklyGoalModels.cs

@@ -0,0 +1,54 @@
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace QuestionsApi.Models;
+
+public static class WeeklyRemediationTypes
+{
+    public const string Reviews = "reviews";
+    public const string HardCorrect = "hard_correct";
+}
+
+public sealed class WeeklyGoal
+{
+    [BsonId] public string Id { get; set; } = "";
+    public string UserId { get; set; } = "";
+    public DateTime WeekStartUtc { get; set; }
+    public DateTime ExpiresUtc { get; set; }
+    public string RemediationType { get; set; } = WeeklyRemediationTypes.Reviews;
+    public int RemediationTarget { get; set; }
+    public List<string> EligibleSystems { get; set; } = [];
+    public DateTime CreatedUtc { get; set; }
+    public DateTime? CompletedUtc { get; set; }
+    public bool RewardIssued { get; set; }
+    public int RewardAmount { get; set; }
+    public bool ExpirationRecorded { get; set; }
+}
+
+public sealed class WeeklyGoalComponentResponse
+{
+    public string Type { get; set; } = "";
+    public string Label { get; set; } = "";
+    public int Progress { get; set; }
+    public int Target { get; set; }
+    public bool Completed { get; set; }
+}
+
+public sealed class WeeklyGoalResponse
+{
+    public DateTime WeekStartUtc { get; set; }
+    public DateTime ExpiresUtc { get; set; }
+    public bool Completed { get; set; }
+    public string RemediationType { get; set; } = "";
+    public List<string> EligibleSystems { get; set; } = [];
+    public string SuggestedSystem { get; set; } = "";
+    public int RewardAmount { get; set; }
+    public int RewardMaximum { get; set; } = 10;
+    public List<WeeklyGoalComponentResponse> Components { get; set; } = [];
+}
+
+public sealed class WeeklyGoalEnvelope
+{
+    public WeeklyGoalResponse State { get; set; } = new();
+    public CreditStatusResponse? Credits { get; set; }
+    public List<CreditAward> CreditAwards { get; set; } = [];
+}