feat: LLM-based schedule generation

tests/conversation.test.ts

@@ -15,6 +15,16 @@ describe('Conversation API', () => {
             return { messages: ['카페에 있었어.', '너는 뭐해?'] };
           },
         },
+        schedule: {
+          async generateDailySchedule() {
+            return [
+              { startTime: '09:00', endTime: '18:00', activity: 'work', title: 'Work', availabilityMode: 'do-not-disturb' as const },
+            ];
+          },
+          async generateMonthlySchedule() {
+            return [];
+          },
+        },
       },
     });
     const space = await persona.ready();