Add lock-for-agent boolean field to issues trigger schema (#6210)

Author: Copilot

pkg/parser/schema_test.go

@@ -452,6 +452,32 @@ func TestValidateMainWorkflowFrontmatterWithSchema(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "valid frontmatter with issues trigger lock-for-agent field",
+			frontmatter: map[string]any{
+				"on": map[string]any{
+					"issues": map[string]any{
+						"types":          []string{"opened"},
+						"lock-for-agent": true,
+					},
+				},
+				"permissions": "read",
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid frontmatter with issues trigger lock-for-agent false",
+			frontmatter: map[string]any{
+				"on": map[string]any{
+					"issues": map[string]any{
+						"types":          []string{"opened"},
+						"lock-for-agent": false,
+					},
+				},
+				"permissions": "read",
+			},
+			wantErr: false,
+		},
 		{
 			name: "valid frontmatter with updated pull_request trigger types",
 			frontmatter: map[string]any{

pkg/parser/schemas/main_workflow_schema.json

@@ -381,6 +381,10 @@
                       }
                     }
                   ]
+                },
+                "lock-for-agent": {
+                  "type": "boolean",
+                  "description": "Whether to lock the issue for the agent when the workflow runs (prevents concurrent modifications)"
                 }
               }
             },