feat: implement AI agent for flowme-life interactions

- Add agent-run module to handle AI interactions with tools and messages.
- Create routes for proxying requests to OpenAI and Anthropic APIs.
- Implement flowme-life chat route for user queries and task management.
- Add services for retrieving and updating life records in the database.
- Implement logic for fetching today's tasks and marking tasks as done with next execution time calculation.
- Introduce tests for flowme-life functionalities.

src/routes/flowme-life/life.services.ts

@@ -0,0 +1,38 @@
+import { eq } from 'drizzle-orm';
+import { schema, db } from '@/app.ts';
+
+export type LifeItem = typeof schema.life.$inferSelect;
+
+/**
+ * 根据 id 获取 life 记录
+ */
+export async function getLifeItem(id: string): Promise<{ code: number; data?: LifeItem; message?: string }> {
+  try {
+    const result = await db.select().from(schema.life).where(eq(schema.life.id, id)).limit(1);
+    if (result.length === 0) {
+      return { code: 404, message: `记录 ${id} 不存在` };
+    }
+    return { code: 200, data: result[0] };
+  } catch (e) {
+    return { code: 500, message: `获取记录 ${id} 失败: ${e?.message || e}` };
+  }
+}
+
+/**
+ * 更新 life 记录的 effectiveAt（下次执行时间）
+ */
+export async function updateLifeEffectiveAt(id: string, effectiveAt: string | Date): Promise<{ code: number; data?: LifeItem; message?: string }> {
+  try {
+    const result = await db
+      .update(schema.life)
+      .set({ effectiveAt: new Date(effectiveAt) })
+      .where(eq(schema.life.id, id))
+      .returning();
+    if (result.length === 0) {
+      return { code: 404, message: `记录 ${id} 不存在` };
+    }
+    return { code: 200, data: result[0] };
+  } catch (e) {
+    return { code: 500, message: `更新记录 ${id} 失败: ${e?.message || e}` };
+  }
+}