fix: exclude XML tool examples from MODES section when native protocol enabled (#9367)

src/core/prompts/sections/modes.ts

@@ -5,7 +5,10 @@ import type { ModeConfig } from "@roo-code/types"
 import { getAllModesWithPrompts } from "../../../shared/modes"
 import { ensureSettingsDirectoryExists } from "../../../utils/globalContext"
 
-export async function getModesSection(context: vscode.ExtensionContext): Promise<string> {
+export async function getModesSection(
+	context: vscode.ExtensionContext,
+	skipXmlExamples: boolean = false,
+): Promise<string> {
 	// Make sure path gets created
 	await ensureSettingsDirectoryExists(context)
 
@@ -31,12 +34,18 @@ ${allModes
 	})
 	.join("\n")}`
 
-	modesContent += `
+	if (!skipXmlExamples) {
+		modesContent += `
 If the user asks you to create or edit a new mode for this project, you should read the instructions by using the fetch_instructions tool, like this:
 <fetch_instructions>
 <task>create_mode</task>
 </fetch_instructions>
 `
+	} else {
+		modesContent += `
+If the user asks you to create or edit a new mode for this project, you should read the instructions by using the fetch_instructions tool.
+`
+	}
 
 	return modesContent
 }

src/core/prompts/system.ts

@@ -86,7 +86,7 @@ async function generatePrompt(
 	const effectiveProtocol = getEffectiveProtocol(settings?.toolProtocol)
 
 	const [modesSection, mcpServersSection] = await Promise.all([
-		getModesSection(context),
+		getModesSection(context, isNativeProtocol(effectiveProtocol)),
 		shouldIncludeMcp
 			? getMcpServersSection(
 					mcpHub,