Store calculation history on server with bazi input and chart snapshots.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/api/history/[id]/route.ts

@@ -0,0 +1,21 @@
+import { NextResponse } from "next/server";
+import { getHistoryUsername } from "@/lib/history/request-user";
+import { deleteHistoryEntry } from "@/lib/history/server-store";
+
+export async function DELETE(
+  _req: Request,
+  { params }: { params: Promise<{ id: string }> },
+) {
+  const username = await getHistoryUsername();
+  if (!username) {
+    return NextResponse.json({ error: "请先登录" }, { status: 401 });
+  }
+
+  const { id } = await params;
+  const removed = await deleteHistoryEntry(username, id);
+  if (!removed) {
+    return NextResponse.json({ error: "记录不存在" }, { status: 404 });
+  }
+
+  return NextResponse.json({ ok: true });
+}

app/api/history/route.ts

@@ -0,0 +1,49 @@
+import { NextResponse } from "next/server";
+import { getHistoryUsername } from "@/lib/history/request-user";
+import {
+  addHistoryEntry,
+  listHistoryEntries,
+} from "@/lib/history/server-store";
+import type { CalcHistoryCreate } from "@/lib/history/types";
+
+export async function GET() {
+  const username = await getHistoryUsername();
+  if (!username) {
+    return NextResponse.json({ error: "请先登录" }, { status: 401 });
+  }
+
+  const items = await listHistoryEntries(username);
+  return NextResponse.json({ items });
+}
+
+export async function POST(req: Request) {
+  const username = await getHistoryUsername();
+  if (!username) {
+    return NextResponse.json({ error: "请先登录" }, { status: 401 });
+  }
+
+  let body: CalcHistoryCreate;
+  try {
+    body = (await req.json()) as CalcHistoryCreate;
+  } catch {
+    return NextResponse.json({ error: "请求格式错误" }, { status: 400 });
+  }
+
+  if (!body.mode || !body.title || !body.question || !body.completion) {
+    return NextResponse.json({ error: "缺少必填字段" }, { status: 400 });
+  }
+
+  const entry = await addHistoryEntry(username, {
+    mode: body.mode,
+    title: body.title,
+    question: body.question,
+    summary: body.summary ?? "",
+    completion: body.completion,
+    meta: body.meta ?? {},
+    baziInput: body.baziInput,
+    baziChart: body.baziChart,
+    hexagram: body.hexagram,
+  });
+
+  return NextResponse.json({ entry });
+}