allow users to upload build images. No backend, just local previews. need to build backend

app/vault/[uuid]/edit/page.tsx

@@ -19,6 +19,21 @@ type BuildDto = {
     productName?: string | null;
     bestPrice?: number | string | null; // backend may serialize BigDecimal as string
   }>;
+  photos?: BuildPhotoDto[];
+};
+
+type BuildPhotoDto = {
+  uuid: string;
+  url: string;
+  caption?: string | null;
+  sortOrder?: number | null;
+  createdAt?: string | null;
+};
+
+type LocalPreview = {
+  id: string;
+  file: File;
+  url: string; // object URL
 };
 
 function fmt(d?: string | null) {
@@ -44,6 +59,17 @@ export default function VaultBuildEditPage() {
   const [error, setError] = useState<string | null>(null);
   const [savedMsg, setSavedMsg] = useState<string | null>(null);
 
+  // ✅ photo upload UI state
+  const [previews, setPreviews] = useState<LocalPreview[]>([]);
+  const [uploading, setUploading] = useState(false);
+
+  // ✅ avoid object URL leaks
+  useEffect(() => {
+    return () => {
+      previews.forEach((p) => URL.revokeObjectURL(p.url));
+    };
+  }, [previews]);
+
   const authed = !!token;
 
   // Load build once auth is ready + token exists
@@ -137,6 +163,52 @@ export default function VaultBuildEditPage() {
     }
   }
 
+  function isImage(file: File) {
+    return file.type.startsWith("image/");
+  }
+
+  async function fileToUpload(file: File, buildUuid: string) {
+    // 1) ask backend for presigned upload URL
+    const res = await api.post(
+      `/api/v1/builds/me/${encodeURIComponent(buildUuid)}/photos/upload-url`,
+      {
+        fileName: file.name,
+        contentType: file.type,
+      }
+    );
+
+    if (!res.ok) {
+      throw new Error(await res.text().catch(() => "Failed to get upload URL"));
+    }
+
+    const { uploadUrl, publicUrl } = await res.json();
+
+    // 2) upload directly to storage
+    const put = await fetch(uploadUrl, {
+      method: "PUT",
+      headers: { "Content-Type": file.type },
+      body: file,
+    });
+
+    if (!put.ok) throw new Error("Upload failed");
+
+    // 3) confirm + create photo record
+    const create = await api.post(
+      `/api/v1/builds/me/${encodeURIComponent(buildUuid)}/photos`,
+      {
+        url: publicUrl,
+        caption: null,
+        sortOrder: 0,
+      }
+    );
+
+    if (!create.ok) {
+      throw new Error(await create.text().catch(() => "Failed to save photo"));
+    }
+
+    return (await create.json()) as BuildPhotoDto;
+  }
+
   async function onDelete() {
     if (!uuid) return;
 
@@ -346,6 +418,170 @@ export default function VaultBuildEditPage() {
             </div>
           </div>
 
+          {/* Build Photos */}
+          <div className="mt-8 rounded-xl border border-white/10 bg-white/5 p-4">
+            <div className="flex items-center justify-between gap-3">
+              <div>
+                <div className="text-sm font-semibold">Build Photos</div>
+                <div className="text-xs opacity-70">
+                  Select photos, remove any you don’t want, then upload.
+                </div>
+              </div>
+
+              <div className="flex items-center gap-2">
+                {/* Select (no upload) */}
+                <label
+                  className={`cursor-pointer rounded-md border border-white/10 bg-white/5 px-3 py-2 text-xs hover:bg-white/10 ${
+                    uploading ? "opacity-60 pointer-events-none" : ""
+                  }`}
+                  title={uploading ? "Uploading…" : "Select photos"}
+                >
+                  Select Photos
+                  <input
+                    type="file"
+                    accept="image/*"
+                    multiple
+                    className="hidden"
+                    onChange={(e) => {
+                      const files = Array.from(e.target.files ?? []).filter(
+                        isImage
+                      );
+                      if (!files.length) return;
+
+                      const local: LocalPreview[] = files.map((f) => ({
+                        id:
+                          typeof crypto !== "undefined" &&
+                          "randomUUID" in crypto
+                            ? crypto.randomUUID()
+                            : `${Date.now()}-${Math.random()}`,
+                        file: f,
+                        url: URL.createObjectURL(f),
+                      }));
+
+                      setPreviews((prev) => [...local, ...prev]);
+                      e.target.value = ""; // reset input so re-selecting same file works
+                    }}
+                  />
+                </label>
+
+                {/* Upload (real upload) */}
+                <button
+                  type="button"
+                  disabled={uploading || previews.length === 0 || !build?.uuid}
+                  className="rounded-md bg-amber-400 px-3 py-2 text-xs font-semibold text-black hover:bg-amber-300 disabled:opacity-50"
+                  onClick={async () => {
+                    if (!build?.uuid || previews.length === 0) return;
+
+                    setError(null);
+                    setUploading(true);
+
+                    // snapshot so user can keep selecting more while current batch uploads
+                    const batch = [...previews];
+
+                    try {
+                      for (const p of batch) {
+                        // if user removed it before we got to it, skip
+                        const stillThere = previews.some((x) => x.id === p.id);
+                        if (!stillThere) continue;
+
+                        const created = await fileToUpload(p.file, build.uuid);
+
+                        setBuild((prev) =>
+                          prev
+                            ? {
+                                ...prev,
+                                photos: [created, ...(prev.photos ?? [])],
+                              }
+                            : prev
+                        );
+
+                        // remove preview after success
+                        setPreviews((prev) => {
+                          const hit = prev.find((x) => x.id === p.id);
+                          if (hit) URL.revokeObjectURL(hit.url);
+                          return prev.filter((x) => x.id !== p.id);
+                        });
+                      }
+                    } catch (err: any) {
+                      setError(err?.message ?? "Photo upload failed");
+                    } finally {
+                      setUploading(false);
+                    }
+                  }}
+                >
+                  {uploading
+                    ? "Uploading…"
+                    : `Upload${previews.length ? ` (${previews.length})` : ""}`}
+                </button>
+              </div>
+            </div>
+
+            {/* Gallery */}
+            <div className="mt-4 grid grid-cols-2 gap-3 sm:grid-cols-3">
+              {/* Local previews (pending upload) */}
+              {previews.map((p) => (
+                <div
+                  key={p.id}
+                  className="relative overflow-hidden rounded-lg border border-white/10 bg-black/20"
+                >
+                  {/* remove X */}
+                  <button
+                    type="button"
+                    aria-label="Remove"
+                    className="absolute right-2 top-2 rounded-full bg-black/60 px-2 py-1 text-xs text-white hover:bg-black/80"
+                    onClick={() => {
+                      setPreviews((prev) => {
+                        const hit = prev.find((x) => x.id === p.id);
+                        if (hit) URL.revokeObjectURL(hit.url);
+                        return prev.filter((x) => x.id !== p.id);
+                      });
+                    }}
+                    disabled={uploading}
+                    title={
+                      uploading
+                        ? "Wait for upload to finish"
+                        : "Remove from upload list"
+                    }
+                  >
+                    ✕
+                  </button>
+
+                  <img
+                    src={p.url}
+                    alt="Pending upload"
+                    className="h-32 w-full object-cover"
+                  />
+                  <div className="p-2 text-xs opacity-80">
+                    {uploading ? "Uploading…" : "Pending upload"}
+                  </div>
+                </div>
+              ))}
+
+              {/* Uploaded photos */}
+              {(build?.photos ?? []).map((p) => (
+                <div
+                  key={p.uuid}
+                  className="overflow-hidden rounded-lg border border-white/10 bg-black/20"
+                >
+                  <img
+                    src={p.url}
+                    alt={p.caption ?? "Build photo"}
+                    className="h-32 w-full object-cover"
+                  />
+                  <div className="p-2 text-xs opacity-80 line-clamp-2">
+                    {p.caption ?? "—"}
+                  </div>
+                </div>
+              ))}
+
+              {previews.length === 0 && (build?.photos?.length ?? 0) === 0 && (
+                <div className="col-span-full text-xs opacity-70">
+                  No photos yet. Select a few and upload when ready.
+                </div>
+              )}
+            </div>
+          </div>
+
           {/* danger zone */}
           <div className="rounded-xl border border-red-500/20 bg-red-500/5 p-4">
             <div className="text-sm font-semibold text-red-200">

app/vault/page.tsx

@@ -226,7 +226,7 @@ export default function VaultPage() {
                       }`}
                       title={valid ? "Load this build into the builder" : "Invalid build id"}
                     >
-                      Open
+                      View in Builder
                     </Link>
 
                     <Link
@@ -240,7 +240,7 @@ export default function VaultPage() {
                       }`}
                       title={valid ? "Edit details / publish later" : "Invalid build id"}
                     >
-                      Edit
+                      Edit Title
                     </Link>
                   </div>
                 </li>