Full cleanup pass

app/api/create-flow/methods/route.ts

@@ -1,7 +1,8 @@
 import { NextResponse, type NextRequest } from "next/server";
 import { isDatabaseConfigured } from "../../../../lib/server/env";
 import { listMethodRecommendations } from "../../../../lib/server/methodRecommendations";
-import { dbUnavailable } from "../../../../lib/server/responses";
+import { apiRoute } from "../../../../lib/server/apiRoute";
+import { dbUnavailable, errorJson } from "../../../../lib/server/responses";
 import {
   SECTION_IDS,
   type SectionId,
@@ -19,38 +20,37 @@ const SECTION_SET = new Set<string>(SECTION_IDS);
  *
  * See `docs/guides/template-recommendation-matrix.md` §9.2 / §10.
  */
-export async function GET(request: NextRequest) {
-  if (!isDatabaseConfigured()) {
-    return dbUnavailable();
-  }
+export const GET = apiRoute(
+  "createFlow.methods.get",
+  async (request: NextRequest) => {
+    if (!isDatabaseConfigured()) {
+      return dbUnavailable();
+    }
 
-  const sectionParam = request.nextUrl.searchParams.get("section");
-  if (!sectionParam || !SECTION_SET.has(sectionParam)) {
-    return NextResponse.json(
-      {
-        error: {
-          code: "validation_error",
-          message: `Unknown section. Expected one of: ${SECTION_IDS.join(", ")}`,
-        },
-      },
-      { status: 400 },
+    const sectionParam = request.nextUrl.searchParams.get("section");
+    if (!sectionParam || !SECTION_SET.has(sectionParam)) {
+      return errorJson(
+        "validation_error",
+        `Unknown section. Expected one of: ${SECTION_IDS.join(", ")}`,
+        400,
+      );
+    }
+    const section = sectionParam as SectionId;
+
+    const facets = parseRequestedFacetsFromSearchParams(
+      request.nextUrl.searchParams,
     );
-  }
-  const section = sectionParam as SectionId;
+    const result = await listMethodRecommendations({ section, facets });
+    if (!result) {
+      // DB query failed; return empty so the wizard falls back to its messages
+      // deck in authoring order (§10).
+      return NextResponse.json({ section, methods: [] });
+    }
 
-  const facets = parseRequestedFacetsFromSearchParams(
-    request.nextUrl.searchParams,
-  );
-  const result = await listMethodRecommendations({ section, facets });
-  if (!result) {
-    // DB query failed; return empty so the wizard falls back to its messages
-    // deck in authoring order (§10).
-    return NextResponse.json({ section, methods: [] });
-  }
-
-  const methods = result.rankedSlugs.map((slug) => ({
-    slug,
-    matches: result.matchesBySlug[slug] ?? { score: 0, matchedFacets: [] },
-  }));
-  return NextResponse.json({ section, methods });
-}
+    const methods = result.rankedSlugs.map((slug) => ({
+      slug,
+      matches: result.matchesBySlug[slug] ?? { score: 0, matchedFacets: [] },
+    }));
+    return NextResponse.json({ section, methods });
+  },
+);