Add risk assessment system to CLI, MCP, and N8N

Expose the full risk assessment hierarchy (assessments, scopes, nodes,
processes, threats, scenarios) with CRUD operations and scenario
linking across all three interfaces.

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

packages/n8n-node/nodes/Probo/Probo.node.ts

@@ -186,6 +186,11 @@ export class Probo implements INodeType {
 						value: 'risk',
 						description: 'Manage risks',
 					},
+					{
+						name: 'Risk Assessment',
+						value: 'riskAssessment',
+						description: 'Manage risk assessments',
+					},
 					{
 						name: 'Statement of Applicability',
 						value: 'statementOfApplicability',