feat: upgrade core agent workflow and system utilities

src/agents/factory.ts

@@ -1,5 +1,5 @@
 import * as vscode from 'vscode';
-import { MultiAgentStageConfig, getConfig } from '../config';
+import { getConfig } from '../config';
 
 export abstract class BaseAgent {
     constructor(protected readonly modelName: string) {}
@@ -145,29 +145,3 @@ Your goal is to produce a state-of-the-art final report that wows the user.
         return this.callLLM(this.persona, wrappedInput, signal);
     }
 }
-
-export class ConfigurableWorkflowAgent extends BaseAgent {
-    constructor(
-        modelName: string,
-        private readonly stage: MultiAgentStageConfig
-    ) {
-        super(modelName);
-    }
-
-    async execute(input: string, context?: string, signal?: AbortSignal): Promise<string> {
-        const wrappedInput = [
-            `### Stage: ${this.stage.name}`,
-            '',
-            '### Available Context',
-            context || 'No specific context available.',
-            '',
-            '### Stage Input',
-            input,
-            '',
-            '### Mission',
-            'Complete this stage according to your role instructions. Be concise, concrete, and preserve details needed by later stages.'
-        ].join('\n');
-
-        return this.callLLM(this.stage.prompt, wrappedInput, signal);
-    }
-}