Add configurable autoproxy latch timeout

PluralKit.Core/Database/Functions/MessageContext.cs

@@ -25,5 +25,6 @@ namespace PluralKit.Core
         public string? SystemTag { get; }
         public string? SystemAvatar { get; }
         public bool AllowAutoproxy { get; }
+        public int LatchTimeout { get; }
     }
 }

PluralKit.Core/Database/Functions/functions.sql

@@ -15,7 +15,8 @@
         last_switch_timestamp timestamp,
         system_tag text,
         system_avatar text,
-        allow_autoproxy bool
+        allow_autoproxy bool,
+        latch_timeout integer
     )
 as $$
     -- CTEs to query "static" (accessible only through args) data
@@ -39,7 +40,8 @@ as $$
         system_last_switch.timestamp as last_switch_timestamp,
         system.tag as system_tag,
         system.avatar_url as system_avatar,
-        system.account_autoproxy as allow_autoproxy
+        system.account_autoproxy as allow_autoproxy,
+        system.latch_timeout as latch_timeout
     -- We need a "from" clause, so we just use some bogus data that's always present
     -- This ensure we always have exactly one row going forward, so we can left join afterwards and still get data
     from (select 1) as _placeholder

PluralKit.Core/Database/Migrations/12.sql

@@ -1,7 +1,9 @@
 -- SCHEMA VERSION 12: <insert date> --
 -- Add disabling front/latch autoproxy per-member --
 -- Add disabling autoproxy per-account --
+-- Add configurable latch timeout --
 
 alter table members add column allow_autoproxy bool not null default true;
 alter table accounts add column allow_autoproxy bool not null default true;
+alter table systems add column latch_timeout int not null default -1;
 update info set schema_version = 12;

PluralKit.Core/Models/PKSystem.cs

@@ -18,6 +18,7 @@ namespace PluralKit.Core {
         public Instant Created { get; }
         public string UiTz { get; set; }
         public bool PingsEnabled { get; }
+        public int LatchTimeout { get; }
 	    public PrivacyLevel DescriptionPrivacy { get; }
         public PrivacyLevel MemberListPrivacy { get;}
         public PrivacyLevel FrontPrivacy { get; }

PluralKit.Core/Models/Patch/SystemPatch.cs

@@ -15,6 +15,7 @@ namespace PluralKit.Core
         public Partial<PrivacyLevel> FrontPrivacy { get; set; }
         public Partial<PrivacyLevel> FrontHistoryPrivacy { get; set; }
         public Partial<bool> PingsEnabled { get; set; }
+        public Partial<int> LatchTimeout { get; set; }
 
         public override UpdateQueryBuilder Apply(UpdateQueryBuilder b) => b
             .With("name", Name)
@@ -28,6 +29,7 @@ namespace PluralKit.Core
             .With("group_list_privacy", GroupListPrivacy)
             .With("front_privacy", FrontPrivacy)
             .With("front_history_privacy", FrontHistoryPrivacy)
-            .With("pings_enabled", PingsEnabled);
+            .With("pings_enabled", PingsEnabled)
+            .With("latch_timeout", LatchTimeout);
     }
 }