fix: decouple AI completion from history save failures and improve history API errors

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

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

@@ -1,21 +1,32 @@
 import { NextResponse } from "next/server";
 import { getHistoryUsername } from "@/lib/history/request-user";
-import { deleteHistoryEntry } from "@/lib/history/server-store";
+import {
+  deleteHistoryEntry,
+  historyStoreErrorMessage,
+} 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 });
-  }
+  try {
+    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 });
-  }
+    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 });
+    return NextResponse.json({ ok: true });
+  } catch (err) {
+    console.error("[history DELETE]", err);
+    return NextResponse.json(
+      { error: historyStoreErrorMessage(err) },
+      { status: 500 },
+    );
+  }
 }

app/api/history/route.ts

@@ -2,48 +2,65 @@ import { NextResponse } from "next/server";
 import { getHistoryUsername } from "@/lib/history/request-user";
 import {
   addHistoryEntry,
+  historyStoreErrorMessage,
   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 });
-  }
+  try {
+    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 });
+    const items = await listHistoryEntries(username);
+    return NextResponse.json({ items });
+  } catch (err) {
+    console.error("[history GET]", err);
+    return NextResponse.json(
+      { error: historyStoreErrorMessage(err) },
+      { status: 500 },
+    );
+  }
 }
 
 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 });
+    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 });
+  } catch (err) {
+    console.error("[history POST]", err);
+    return NextResponse.json(
+      { error: historyStoreErrorMessage(err) },
+      { status: 500 },
+    );
   }
-
-  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 });
 }