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>

pkg/cmd/risk-assessment/scope/mermaid/mermaid.go

@@ -0,0 +1,105 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package mermaid
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"go.probo.inc/probo/pkg/cli/api"
+	"go.probo.inc/probo/pkg/cmd/cmdutil"
+)
+
+const mermaidQuery = `
+query($id: ID!) {
+  node(id: $id) {
+    __typename
+    ... on RiskAssessmentScope {
+      id
+      name
+      mermaidChart
+    }
+  }
+}
+`
+
+type mermaidResponse struct {
+	Node *struct {
+		Typename     string `json:"__typename"`
+		ID           string `json:"id"`
+		Name         string `json:"name"`
+		MermaidChart string `json:"mermaidChart"`
+	} `json:"node"`
+}
+
+func NewCmdMermaid(f *cmdutil.Factory) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "mermaid <id>",
+		Short: "Get the Mermaid chart for a risk assessment scope",
+		Example: `  # Print the Mermaid chart for a scope
+  prb risk-assessment scope mermaid <id>
+
+  # Output as JSON
+  prb risk-assessment scope mermaid <id> --json`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cfg, err := f.Config()
+			if err != nil {
+				return err
+			}
+
+			host, hc, err := cfg.DefaultHost()
+			if err != nil {
+				return err
+			}
+
+			client := api.NewClient(
+				host,
+				hc.Token,
+				"/api/console/v1/graphql",
+				cfg.HTTPTimeoutDuration(),
+				cmdutil.TokenRefreshOption(cfg, host, hc),
+			)
+
+			data, err := client.Do(
+				mermaidQuery,
+				map[string]any{"id": args[0]},
+			)
+			if err != nil {
+				return err
+			}
+
+			var resp mermaidResponse
+			if err := json.Unmarshal(data, &resp); err != nil {
+				return fmt.Errorf("cannot parse response: %w", err)
+			}
+
+			if resp.Node == nil {
+				return fmt.Errorf("risk assessment scope %s not found", args[0])
+			}
+
+			if resp.Node.Typename != "RiskAssessmentScope" {
+				return fmt.Errorf("expected RiskAssessmentScope node, got %s", resp.Node.Typename)
+			}
+
+			_, _ = fmt.Fprintln(f.IOStreams.Out, resp.Node.MermaidChart)
+
+			return nil
+		},
+	}
+
+	return cmd
+}