chore: move parameter-specific builder hints onto their properties

Relocate builderHint.message from node-level to the relevant property for
If V2 (conditions), HighLevel V2 (contact create additionalFields), and
Guardrails V2 (operation). Guardrails keeps its node-level inputs hint.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

packages/@n8n/nodes-langchain/nodes/Guardrails/description.ts

@@ -77,6 +77,10 @@ export const propertiesDescription: INodeProperties[] = [
 			},
 		],
 		default: 'classify',
+		builderHint: {
+			message:
+				'Classify operation has two outputs: output 0 (Pass) for items that passed all guardrail checks, output 1 (Fail) for items that failed. Use .output(index).to() to connect from a specific output. @example guardrails.output(0).to(passNode) and guardrails.output(1).to(failNode). Sanitize operation has only one output.',
+		},
 	},
 	{
 		displayName: 'Text To Check',

packages/@n8n/nodes-langchain/nodes/Guardrails/v2/GuardrailsV2.node.ts

@@ -50,8 +50,6 @@ export class GuardrailsV2 implements INodeType {
 						},
 					},
 				},
-				message:
-					'Classify operation has two outputs: output 0 (Pass) for items that passed all guardrail checks, output 1 (Fail) for items that failed. Use .output(index).to() to connect from a specific output. @example guardrails.output(0).to(passNode) and guardrails.output(1).to(failNode). Sanitize operation has only one output.',
 			},
 		};
 	}

packages/nodes-base/nodes/HighLevel/v2/HighLevelV2.node.ts

@@ -62,9 +62,6 @@ const versionDescription: INodeTypeDescription = {
 	defaults: {
 		name: 'HighLevel',
 	},
-	builderHint: {
-		message: 'To add notes to contacts, set additionalFields.notes',
-	},
 	usableAsTool: true,
 	inputs: [NodeConnectionTypes.Main],
 	outputs: [NodeConnectionTypes.Main],

packages/nodes-base/nodes/HighLevel/v2/description/ContactDescription.ts

@@ -270,6 +270,9 @@ const createProperties: INodeProperties[] = [
 				operation: ['create'],
 			},
 		},
+		builderHint: {
+			message: 'To add notes to contacts, set additionalFields.notes',
+		},
 		options: [
 			{
 				displayName: 'Address',

packages/nodes-base/nodes/If/V2/IfV2.node.ts

@@ -29,13 +29,6 @@ export class IfV2 implements INodeType {
 			outputs: [NodeConnectionTypes.Main, NodeConnectionTypes.Main],
 			outputNames: ['true', 'false'],
 			parameterPane: 'wide',
-			builderHint: {
-				message: `parameters.conditions must always contain these three sibling keys:
-- "combinator": "and" or "or", default to "and"
-- "conditions": [ {a list of condition objects } ]
-- "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 1 }
-e.g.: { "conditions": { "combinator": "and", "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 2 }, "conditions": [{ "leftValue": "={{ $json.field }}", "rightValue": "value", "operator": { "type": "string", "operation": "equals" } }] } }`,
-			},
 			properties: [
 				{
 					displayName: 'Conditions',
@@ -50,6 +43,13 @@ e.g.: { "conditions": { "combinator": "and", "options": { "caseSensitive": true,
 							version: '={{ $nodeVersion >= 2.3 ? 3 : $nodeVersion >= 2.2 ? 2 : 1 }}',
 						},
 					},
+					builderHint: {
+						message: `Must always contain these three sibling keys:
+- "combinator": "and" or "or", default to "and"
+- "conditions": [ {a list of condition objects } ]
+- "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 1 }
+e.g.: { "combinator": "and", "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 2 }, "conditions": [{ "leftValue": "={{ $json.field }}", "rightValue": "value", "operator": { "type": "string", "operation": "equals" } }] }`,
+					},
 				},
 				{
 					...looseTypeValidationProperty,