Retry failed sends with their send_id until the server confirms them

internal/store/taskinputs.go

@@ -45,6 +45,22 @@ func (s *Store) AddTaskInput(ctx context.Context, in TaskInput, projectID, sessi
 	})
 }
 
+func (s *Store) SendSession(ctx context.Context, sendID string) (string, bool, error) {
+	sessionID := sql.NullString{}
+	err := s.db.QueryRowContext(ctx, `SELECT agent_session_id FROM events WHERE kind IN ('user.queued', 'user.message') AND json_extract(payload, '$.send_id') = ? LIMIT 1`, sendID).Scan(&sessionID)
+	if err == nil {
+		return sessionID.String, true, nil
+	}
+	if !errors.Is(err, sql.ErrNoRows) {
+		return "", false, err
+	}
+	err = s.db.QueryRowContext(ctx, `SELECT 1 FROM lead_inputs WHERE send_id = ? LIMIT 1`, sendID).Scan(new(int))
+	if errors.Is(err, sql.ErrNoRows) {
+		return "", false, nil
+	}
+	return "", err == nil, err
+}
+
 func (s *Store) WithdrawTaskInput(ctx context.Context, taskID string, id int64, projectID, actor string) (string, error) {
 	sessionID := ""
 	err := s.write(ctx, func(tx *sql.Tx, emit emitFunc) error {