feat(store): schedules, notification_channels, domain last_check_status + методы

internal/store/queries/channels.sql

@@ -0,0 +1,15 @@
+-- name: CreateChannel :one
+INSERT INTO notification_channels (id, project_id, type, config, secret_enc)
+VALUES ($1, $2, $3, $4, $5) RETURNING *;
+
+-- name: ListChannels :many
+SELECT * FROM notification_channels WHERE project_id = $1 ORDER BY created_at;
+
+-- name: ListEnabledChannels :many
+SELECT * FROM notification_channels WHERE project_id = $1 AND enabled ORDER BY created_at;
+
+-- name: GetChannel :one
+SELECT * FROM notification_channels WHERE id = $1 AND project_id = $2;
+
+-- name: DeleteChannel :exec
+DELETE FROM notification_channels WHERE id = $1 AND project_id = $2;