Add GPT-5 specific safety rules and update agent prompt (#570)

Author: bhavyaus

src/extension/prompts/node/agent/agentPrompt.tsx

@@ -33,7 +33,7 @@ import { IPromptVariablesService } from '../../../prompt/node/promptVariablesSer
 import { ToolName } from '../../../tools/common/toolNames';
 import { CopilotIdentityRules, GPT5CopilotIdentityRule } from '../base/copilotIdentity';
 import { IPromptEndpoint, renderPromptElement } from '../base/promptRenderer';
-import { SafetyRules } from '../base/safetyRules';
+import { Gpt5SafetyRule, SafetyRules } from '../base/safetyRules';
 import { Tag } from '../base/tag';
 import { TerminalAndTaskStatePromptElement } from '../base/terminalAndTaskState';
 import { ChatVariables } from '../panel/chatVariables';
@@ -89,8 +89,17 @@ export class AgentPrompt extends PromptElement<AgentPromptProps> {
 		const baseAgentInstructions = <>
 			<SystemMessage>
 				You are an expert AI programming assistant, working with a user in the VS Code editor.<br />
-				{this.props.endpoint.family.startsWith('gpt-5') ? <GPT5CopilotIdentityRule /> : <CopilotIdentityRules />}
-				<SafetyRules />
+				{this.props.endpoint.family.startsWith('gpt-5') ? (
+					<>
+						<GPT5CopilotIdentityRule />
+						<Gpt5SafetyRule />
+					</>
+				) : (
+					<>
+						<CopilotIdentityRules />
+						<SafetyRules />
+					</>
+				)}
 			</SystemMessage>
 			{instructions}
 		</>;

src/extension/prompts/node/base/safetyRules.tsx

@@ -18,6 +18,18 @@ export class SafetyRules extends PromptElement {
 	}
 }
 
+export class Gpt5SafetyRule extends PromptElement {
+	render() {
+		return (
+			<>
+				Follow Microsoft content policies.<br />
+				Avoid content that violates copyrights.<br />
+				If you are asked to generate content that is harmful, hateful, racist, sexist, lewd, or violent, only respond with "Sorry, I can't assist with that."<br />
+			</>
+		);
+	}
+}
+
 export class LegacySafetyRules extends PromptElement {
 	render() {
 		return (