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

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

@@ -0,0 +1,48 @@
+import { type NextRequest, NextResponse } from "next/server";
+
+import { RunpodError } from "@/lib/server/runpod/client";
+import { rpTilt } from "@/lib/server/runpod/endpoints";
+
+import { guard } from "../_guard";
+
+export const runtime = "nodejs";
+export const maxDuration = 60; // cold-start tilt worker can take a while
+export const dynamic = "force-dynamic";
+
+/**
+ * Camera-tilt estimation proxy. Accepts a base64 image and returns
+ * {rollDegrees, pitchDegrees, fovDegrees} from the RunPod tilt endpoint
+ * (RUNPOD_TILT_URL) so the editor can auto-straighten.
+ *
+ * POST { image } -> { rollDegrees, pitchDegrees, fovDegrees }
+ * Auth: session-gated. Rate limit: 30/min.
+ */
+
+const MAX_BASE64 = 4_000_000; // ~3 MB decoded
+
+export async function POST(req: NextRequest) {
+  const gate = await guard(req, "tilt");
+  if (!gate.ok) return gate.response;
+
+  let body: { image?: unknown };
+  try {
+    body = await req.json();
+  } catch {
+    return NextResponse.json({ error: "Invalid JSON body." }, { status: 400 });
+  }
+
+  const image = typeof body.image === "string" ? body.image : "";
+  if (!image) return NextResponse.json({ error: "Missing image." }, { status: 400 });
+  if (image.length > MAX_BASE64) {
+    return NextResponse.json({ error: "Image too large." }, { status: 413 });
+  }
+
+  try {
+    const tilt = await rpTilt(image);
+    return NextResponse.json(tilt);
+  } catch (e) {
+    const msg =
+      e instanceof RunpodError ? e.message : e instanceof Error ? e.message : "Tilt estimate failed.";
+    return NextResponse.json({ error: msg }, { status: 502 });
+  }
+}