versioning added

app/api/ext/shots/[shotId]/route.ts

@@ -57,6 +57,7 @@ export async function GET(
       exrOutput:          true,
       seqTimecodeStart: true,
       seqTimecodeEnd:   true,
+      shotVersion:      true,
       createdAt:    true,
       updatedAt:    true,
       project: {
@@ -102,3 +103,51 @@ export async function GET(
 
   return NextResponse.json({ shot });
 }
+
+// ── PATCH /api/ext/shots/[shotId] ─────────────────────────────────────────────
+//
+// Update mutable shot fields from pipeline tools.
+// Currently supports: shotVersion (format v###)
+//
+// Body (JSON): { shotVersion?: string }
+// Returns: { success: true, shot: { id, shotVersion } }
+
+export async function PATCH(
+  req: NextRequest,
+  { params }: { params: Promise<{ shotId: string }> }
+) {
+  if (!isAuthorized(req)) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+  }
+
+  const { shotId } = await params;
+  const body = await req.json().catch(() => ({}));
+  const { shotVersion } = body as { shotVersion?: string };
+
+  if (shotVersion !== undefined) {
+    if (!/^v\d{3}$/.test(shotVersion)) {
+      return NextResponse.json(
+        { error: "shotVersion must match format v### (e.g. v001)" },
+        { status: 400 }
+      );
+    }
+  } else {
+    return NextResponse.json({ error: "No updatable fields provided" }, { status: 400 });
+  }
+
+  const shot = await db.shot.findUnique({
+    where: { id: shotId },
+    select: { id: true },
+  });
+  if (!shot) {
+    return NextResponse.json({ error: "Shot not found" }, { status: 404 });
+  }
+
+  const updated = await db.shot.update({
+    where: { id: shotId },
+    data: { ...(shotVersion !== undefined && { shotVersion }) },
+    select: { id: true, shotVersion: true },
+  });
+
+  return NextResponse.json({ success: true, shot: updated });
+}