Expose ITAM devices on MCP, CLI, and n8n

Devices were only available through GraphQL and the agent API. Add
list/get/revoke/delete/set-owner across MCP, prb, and n8n, with latest
postures nested on list and get responses.

Signed-off-by: Ludovic Vielle <ludovic@probo.com>

pkg/server/api/mcp/v1/v1_handler.go

@@ -34,6 +34,7 @@ import (
 	"go.probo.inc/probo/pkg/cookiebanner"
 	"go.probo.inc/probo/pkg/filemanager"
 	"go.probo.inc/probo/pkg/iam"
+	"go.probo.inc/probo/pkg/itam"
 	"go.probo.inc/probo/pkg/probo"
 	"go.probo.inc/probo/pkg/resourcealias"
 	"go.probo.inc/probo/pkg/riskmanagement"
@@ -54,6 +55,7 @@ func NewMux(
 	accessReviewSvc *accessreview.Service,
 	cookieBannerSvc *cookiebanner.Service,
 	riskManagementSvc *riskmanagement.Service,
+	itamSvc *itam.Service,
 	tokenSecret string,
 	fileManagerSvc *filemanager.Service,
 	baseURL *baseurl.BaseURL,
@@ -72,6 +74,7 @@ func NewMux(
 		accessReview:   accessReviewSvc,
 		cookieBanner:   cookieBannerSvc,
 		riskManagement: riskManagementSvc,
+		itamSvc:        itamSvc,
 		logger:         logger,
 		fileManager:    fileManagerSvc,
 		baseURL:        baseURL,