feat(api): new session service (#5801)

* backup new protoc plugin

* backup

* session

* backup

* initial implementation

* change to specific events

* implement tests

* cleanup

* refactor: use new protoc plugin for api v2

* change package

* simplify code

* cleanup

* cleanup

* fix merge

* start queries

* fix tests

* improve returned values

* add token to projection

* tests

* test db map

* update query

* permission checks

* fix tests and linting

* rework token creation

* i18n

* refactor token check and fix tests

* session to PB test

* request to query tests

* cleanup proto

* test user check

* add comment

* simplify database map type

* Update docs/docs/guides/integrate/access-zitadel-system-api.md

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

* fix test

* cleanup

* docs

---------

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

internal/repository/session/aggregate.go

@@ -0,0 +1,25 @@
+package session
+
+import (
+	"github.com/zitadel/zitadel/internal/eventstore"
+)
+
+const (
+	AggregateType    = "session"
+	AggregateVersion = "v1"
+)
+
+type Aggregate struct {
+	eventstore.Aggregate
+}
+
+func NewAggregate(id, resourceOwner string) *Aggregate {
+	return &Aggregate{
+		Aggregate: eventstore.Aggregate{
+			Type:          AggregateType,
+			Version:       AggregateVersion,
+			ID:            id,
+			ResourceOwner: resourceOwner,
+		},
+	}
+}