refactor(v2): init events (#7823)

creates events structures for initial projections and read models

internal/v2/user/human_password_changed.go

@@ -0,0 +1,44 @@
+package user
+
+import (
+	"github.com/zitadel/zitadel/internal/crypto"
+	"github.com/zitadel/zitadel/internal/v2/eventstore"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+type humanPasswordChangedPayload struct {
+	// New events only use EncodedHash. However, the secret field
+	// is preserved to handle events older than the switch to Passwap.
+	Secret            *crypto.CryptoValue `json:"secret,omitempty"`
+	EncodedHash       string              `json:"encodedHash,omitempty"`
+	ChangeRequired    bool                `json:"changeRequired"`
+	UserAgentID       string              `json:"userAgentID,omitempty"`
+	TriggeredAtOrigin string              `json:"triggerOrigin,omitempty"`
+}
+
+type HumanPasswordChangedEvent eventstore.Event[humanPasswordChangedPayload]
+
+const HumanPasswordChangedType = humanPrefix + ".password.changed"
+
+var _ eventstore.TypeChecker = (*HumanPasswordChangedEvent)(nil)
+
+// ActionType implements eventstore.Typer.
+func (c *HumanPasswordChangedEvent) ActionType() string {
+	return HumanPasswordChangedType
+}
+
+func HumanPasswordChangedEventFromStorage(event *eventstore.StorageEvent) (e *HumanPasswordChangedEvent, _ error) {
+	if event.Type != e.ActionType() {
+		return nil, zerrors.ThrowInvalidArgument(nil, "USER-Fx5tr", "Errors.Invalid.Event.Type")
+	}
+
+	payload, err := eventstore.UnmarshalPayload[humanPasswordChangedPayload](event.Payload)
+	if err != nil {
+		return nil, err
+	}
+
+	return &HumanPasswordChangedEvent{
+		StorageEvent: event,
+		Payload:      payload,
+	}, nil
+}