feat(extension): add GetConversation + rawRPC endpoints for full conversation history

extension/src/extension.ts

@@ -205,6 +205,27 @@ export async function activate(context: vscode.ExtensionContext) {
         }
     });
 
+    // 개별 대화 전체 내용 (스텝, 메시지, 도구 호출 등)
+    app.get('/api/conversation/:id', async (req: any, res: any) => {
+        try {
+            const conversation = await sdk.ls.getConversation(req.params.id);
+            res.json(conversation);
+        } catch (err: any) {
+            res.status(500).json({ error: err.message });
+        }
+    });
+
+    // 임의 LS RPC 호출 (개발/디버그)
+    app.post('/api/ls/rpc', async (req: any, res: any) => {
+        try {
+            const { method, payload } = req.body;
+            const result = await sdk.ls.rawRPC(method, payload || {});
+            res.json(result);
+        } catch (err: any) {
+            res.status(500).json({ error: err.message });
+        }
+    });
+
     app.post('/api/ls/send', async (req: any, res: any) => {
         try {
             const { cascadeId, text, model } = req.body;