feat: add core domain types for Photo Gallery SDK including media items, albums, and annotations

src/app/api/gallery/ai/classify/route.ts

@@ -0,0 +1,71 @@
+import { type NextRequest, NextResponse } from "next/server";
+
+import { RunpodError } from "@/lib/server/runpod/client";
+import { rpDetect } from "@/lib/server/runpod/endpoints";
+
+import { guard } from "../_guard";
+
+export const runtime = "nodejs";
+export const maxDuration = 60;
+export const dynamic = "force-dynamic";
+
+/**
+ * Object-detection proxy for the RunPod YOLO construction-material classifier (#1).
+ * The key + endpoint URL stay server-side. The client calls this only when
+ * NEXT_PUBLIC_APG_RUNPOD_DETECT is on; otherwise detection runs fully in-browser
+ * (COCO-SSD) with no server round-trip. Returns the SDK's DetectedObject[] shape
+ * (box as 0..1 fractions) so it drops straight into the Objects browser / smart
+ * albums / search.
+ *
+ * POST { imageBase64, width, height } -> { objects: [{ label, confidence, box }] }
+ * Auth: session-gated (see lib/server/session.ts). Rate limit: 30/min.
+ */
+
+const MAX_BASE64 = 4_000_000; // ~3 MB decoded — under serverless body limits
+
+export async function POST(req: NextRequest) {
+  const gate = await guard(req, "classify");
+  if (!gate.ok) return gate.response;
+
+  if (!process.env.RUNPOD_API_KEY || !process.env.RUNPOD_YOLO_URL) {
+    return NextResponse.json(
+      { error: "RunPod detection is not configured (set RUNPOD_API_KEY + RUNPOD_YOLO_URL)." },
+      { status: 503 },
+    );
+  }
+
+  let body: unknown;
+  try {
+    body = await req.json();
+  } catch {
+    return NextResponse.json({ error: "Invalid request body." }, { status: 400 });
+  }
+
+  const { imageBase64, width, height } = (body ?? {}) as {
+    imageBase64?: unknown;
+    width?: unknown;
+    height?: unknown;
+  };
+  if (
+    typeof imageBase64 !== "string" ||
+    imageBase64.length === 0 ||
+    imageBase64.length > MAX_BASE64
+  ) {
+    return NextResponse.json({ error: "Invalid or oversized image." }, { status: 400 });
+  }
+  const w = Number(width);
+  const h = Number(height);
+
+  try {
+    const objects = await rpDetect(
+      imageBase64,
+      Number.isFinite(w) && w > 0 ? w : 1,
+      Number.isFinite(h) && h > 0 ? h : 1,
+    );
+    return NextResponse.json({ objects });
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Detection failed.";
+    const status = err instanceof RunpodError ? err.status : 502;
+    return NextResponse.json({ error: message }, { status });
+  }
+}