fix: v2.13.0 - stability fixes (model persistence & agent abort logic)

src/agent.ts

@@ -534,6 +534,10 @@ export class AgentExecutor {
         options: any
     ) {
         if (!this.webview) return;
+        this.stop(); // Abort any previous run
+        this.abortController = new AbortController();
+        const signal = this.abortController.signal;
+
         this.statusBarManager.updateStatus(AgentStatus.Thinking, 'Multi-Agent Workflow Started');
         this.webview.postMessage({ type: 'streamStart' });
 
@@ -549,19 +553,23 @@ export class AgentExecutor {
             const brainContext = `Brain: ${activeBrain.name}, Files: ${brainFiles.length}`;
 
             // --- Phase 1: Planner ---
+            if (signal.aborted) return;
             this.webview.postMessage({ type: 'autoContinue', value: 'Planner: 전략 수립 중...' });
-            const plan = await planner.execute(prompt, brainContext);
+            const plan = await planner.execute(prompt, brainContext, signal);
             this.webview.postMessage({ type: 'streamChunk', value: `\n\n### 📝 작업 계획 (Execution Plan)\n${plan}\n\n` });
 
             // --- Phase 2: Researcher ---
+            if (signal.aborted) return;
             this.webview.postMessage({ type: 'autoContinue', value: 'Researcher: 지식 검색 중...' });
-            const research = await researcher.execute(plan, brainContext);
+            const research = await researcher.execute(plan, brainContext, signal);
             this.webview.postMessage({ type: 'streamChunk', value: `\n\n### 🔍 분석 결과 (Research Findings)\n*(정보 수집 및 정제 완료)*\n\n` });
 
             // --- Phase 3: Writer ---
+            if (signal.aborted) return;
             this.webview.postMessage({ type: 'autoContinue', value: 'Writer: 보고서 작성 중...' });
-            const finalReport = await writer.execute(research, prompt);
+            const finalReport = await writer.execute(research, prompt, signal);
             
+            if (signal.aborted) return;
             this.webview.postMessage({ type: 'streamChunk', value: `\n\n--- \n\n${finalReport}` });
             this.webview.postMessage({ type: 'streamEnd' });
             
@@ -575,6 +583,9 @@ export class AgentExecutor {
             const friendly = ErrorTranslator.translate(error);
             logError('Workflow failed', error);
             
+            // Clear autoContinue state by sending empty value or specific type
+            this.webview.postMessage({ type: 'autoContinue', value: '' });
+
             // Format error using guideline-compliant UI (Red color scheme)
             this.webview.postMessage({ 
                 type: 'error',