更新 CLAUDE.md，清理死 import，图表与 API 细节调整

frontend/app/api/city/[name]/detail/route.ts

@@ -1,9 +1,35 @@
 import { NextRequest, NextResponse } from "next/server";
-import { proxyBackendJsonGet } from "@/lib/api-proxy";
+import {
+  applyAuthResponseCookies,
+  buildBackendRequestHeaders,
+} from "@/lib/backend-auth";
+import {
+  buildProxyExceptionResponse,
+  buildUpstreamErrorResponse,
+} from "@/lib/api-proxy";
+import { buildCachedJsonResponse } from "@/lib/http-cache";
 import { buildCityDetailProxyCachePolicy } from "@/lib/proxy-cache-policy";
 
 const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
 
+function normalizeCityDetailPayload(data: unknown) {
+  if (!data || typeof data !== "object") return data;
+  const payload = data as Record<string, any>;
+
+  // Backend v2 nests hourly under timeseries; chart expects it at top level.
+  if (!payload.hourly && payload.timeseries?.hourly) {
+    payload.hourly = payload.timeseries.hourly;
+  }
+
+  if (!payload.market_scan && payload.market_scan_payload) {
+    return {
+      ...payload,
+      market_scan: payload.market_scan_payload,
+    };
+  }
+  return payload;
+}
+
 export async function GET(
   req: NextRequest,
   context: { params: Promise<{ name: string }> },
@@ -36,12 +62,32 @@ export async function GET(
   }
   const url = `${API_BASE}/api/city/${encodeURIComponent(name)}/detail?${searchParams.toString()}`;
 
-  return proxyBackendJsonGet(req, {
-    cacheControl: cachePolicy.responseCacheControl,
-    fetchCache:
-      cachePolicy.fetchMode === "no-store" ? "no-store" : undefined,
-    publicMessage: "Failed to fetch city detail aggregate",
-    revalidateSeconds: cachePolicy.revalidateSeconds,
-    url,
-  });
+  try {
+    const auth = await buildBackendRequestHeaders(req, {
+      includeSupabaseIdentity: false,
+    });
+    const res = await fetch(url, {
+      headers: auth.headers,
+      ...(cachePolicy.fetchMode === "no-store"
+        ? { cache: "no-store" as const }
+        : { next: { revalidate: cachePolicy.revalidateSeconds ?? 15 } }),
+    });
+    if (!res.ok) {
+      const raw = await res.text();
+      const response = buildUpstreamErrorResponse(res.status, raw);
+      return applyAuthResponseCookies(response, auth.response);
+    }
+    const data = normalizeCityDetailPayload(await res.json());
+    const response = buildCachedJsonResponse(
+      req,
+      data,
+      cachePolicy.responseCacheControl,
+    );
+    return applyAuthResponseCookies(response, auth.response);
+  } catch (error) {
+    const response = buildProxyExceptionResponse(error, {
+      publicMessage: "Failed to fetch city detail aggregate",
+    });
+    return response;
+  }
 }