Better notes and bans (#14228)

Co-authored-by: Chief-Engineer <119664036+Chief-Engineer@users.noreply.github.com>

Content.Shared/Administration/Notes/SharedAdminNote.cs

@@ -1,6 +1,26 @@
-using Robust.Shared.Serialization;
+using Content.Shared.Database;
+using Robust.Shared.Serialization;
 
 namespace Content.Shared.Administration.Notes;
 
 [Serializable, NetSerializable]
-public sealed record SharedAdminNote(int Id, int? Round, Guid Player, string Message, string CreatedByName, string EditedByName, DateTime CreatedAt, DateTime LastEditedAt);
+public sealed record SharedAdminNote(
+    int Id, // Id of note, message, watchlist, ban or role ban. Should be paired with NoteType to uniquely identify a shared admin note.
+    Guid Player, // Notes player
+    int? Round, // Which round was it added in?
+    string? ServerName, // Which server was this added on?
+    TimeSpan PlaytimeAtNote, // Playtime at the time of getting the note
+    NoteType NoteType, // Type of note
+    string Message, // Attached message
+    NoteSeverity? NoteSeverity, // Severity of the note, ban or role ban. Otherwise null.
+    bool Secret, // Is it visible to the player (only relevant if players can see their own notes)
+    string CreatedByName, // Who created it?
+    string EditedByName, // Who edited it last?
+    DateTime CreatedAt, // When was it created?
+    DateTime? LastEditedAt, // When was it last edited?
+    DateTime? ExpiryTime, // Does it expire?
+    string[]? BannedRoles, // Only valid for role bans. List of banned roles
+    DateTime? UnbannedTime, // Only valid for bans. Set if unbanned
+    string? UnbannedByName, // Only valid for bans. Set if unbanned
+    bool? Seen // Only valid for messages, otherwise should be null. Has the user seen this message?
+    );