fix: chatd refactor (#26270)

Implements the chatd stabilization RFC.

Combines:
- https://github.com/coder/coder/pull/25908
- https://github.com/coder/coder/pull/25923
- https://github.com/coder/coder/pull/26109
- https://github.com/coder/coder/pull/26110
- https://github.com/coder/coder/pull/26111
- https://github.com/coder/coder/pull/26112

coderd/database/modelqueries.go

@@ -824,6 +824,14 @@ func (q *sqlQuerier) GetAuthorizedChats(ctx context.Context, arg GetChatsParams,
 			&i.Chat.PlanMode,
 			&i.Chat.ClientType,
 			&i.Chat.LastTurnSummary,
+			&i.Chat.SnapshotVersion,
+			&i.Chat.HistoryVersion,
+			&i.Chat.QueueVersion,
+			&i.Chat.GenerationAttempt,
+			&i.Chat.RetryState,
+			&i.Chat.RetryStateVersion,
+			&i.Chat.RunnerID,
+			&i.Chat.RequiresActionDeadlineAt,
 			&i.Chat.UserACL,
 			&i.Chat.GroupACL,
 			&i.Chat.OwnerUsername,
@@ -891,6 +899,14 @@ func (q *sqlQuerier) GetAuthorizedChatsByChatFileID(ctx context.Context, fileID
 			&i.PlanMode,
 			&i.ClientType,
 			&i.LastTurnSummary,
+			&i.SnapshotVersion,
+			&i.HistoryVersion,
+			&i.QueueVersion,
+			&i.GenerationAttempt,
+			&i.RetryState,
+			&i.RetryStateVersion,
+			&i.RunnerID,
+			&i.RequiresActionDeadlineAt,
 			&i.UserACL,
 			&i.GroupACL,
 			&i.OwnerUsername,