feat: add node calssification

frontend/src/lib/registerBuiltinNodes.tsx

@@ -23,6 +23,7 @@ export function registerBuiltinNodes(): void {
     idPrefix: 'cfg_',
     hasInput: true,
     hasOutput: true,
+    classification: 'psyche',
     allowedSourceTypes: ['config', 'variable', 'function'],
     allowedTargetTypes: ['config', 'render'],
     help: NODE_HELP.config,
@@ -49,6 +50,7 @@ export function registerBuiltinNodes(): void {
     idPrefix: 'rnd_',
     hasInput: true,
     hasOutput: false,
+    classification: 'pneuma',
     allowedSourceTypes: ['config'],
     help: NODE_HELP.render,
     menuLabel: 'Renderer',
@@ -64,6 +66,7 @@ export function registerBuiltinNodes(): void {
     idPrefix: 'var_',
     hasInput: false,
     hasOutput: true,
+    classification: 'psyche',
     allowedTargetTypes: ['config', 'function'],
     help: NODE_HELP.variable,
     menuLabel: 'Variable',
@@ -82,6 +85,7 @@ export function registerBuiltinNodes(): void {
     idPrefix: 'fn_',
     hasInput: true,
     hasOutput: true,
+    classification: 'psyche',
     allowedSourceTypes: ['config', 'variable', 'function'],
     allowedTargetTypes: ['config', 'function'],
     help: NODE_HELP.function,