let's upse more image upscaling servers for the load

src/production/renderImage.mts

@@ -17,6 +17,7 @@ export async function renderImage(
   
   const params = {
     positivePrompt: request.prompt,
+    negativePrompt: request.negativePrompt,
     seed: request.seed,
     nbSteps: request.nbSteps,
     width: request.width,

src/types.mts

@@ -276,6 +276,9 @@ export type CacheMode = "use" | "renew" | "ignore"
 export interface RenderRequest {
   prompt: string
 
+  // unused for now
+  negativePrompt: string
+
   // whether to use video segmentation
   // disabled (default)
   // firstframe: we only analyze the first frame
@@ -303,6 +306,8 @@ export interface RenderRequest {
   projection: ProjectionMode
 
   cache: CacheMode
+
+  wait: boolean // wait until the job is completed
 }
 
 export interface ImageSegmentationRequest {

src/utils/generateImageSDXL.mts

@@ -24,6 +24,10 @@ export async function generateImageSDXLAsBase64(options: {
   if (!positivePrompt) {
     throw new Error("missing prompt")
   }
+
+  // the negative prompt CAN be missing, since we use a trick
+  // where we make the interface mandatory in the TS doc,
+  // but browsers might send something partial
   const negativePrompt = options?.negativePrompt || ""
   
   // we treat 0 as meaning "random seed"
@@ -38,9 +42,12 @@ export async function generateImageSDXLAsBase64(options: {
   instances.push(instance)
 
   const positive = [
+
+    // oh well.. is it too late to move this to the bottom?
     "beautiful",
     "intricate details",
     positivePrompt,
+
     "award winning",
     "high resolution"
   ].filter(word => word)

src/utils/parseRenderRequest.mts

@@ -9,6 +9,9 @@ export function parseRenderRequest(request: RenderRequest) {
   try {
     request.nbFrames = getValidNumber(request.nbFrames, 1, 24, 16)
 
+    // wait! if we uncomment this, this will invalidate all the images already in cache..
+    // request.negativePrompt = request.negativePrompt || ""
+
     const isVideo = request?.nbFrames === 1
 
     // note that we accept a seed of 0
@@ -27,6 +30,7 @@ export function parseRenderRequest(request: RenderRequest) {
       request.height = getValidNumber(request.height, 256, 720, 320)
     }
 
+    request.wait = request?.wait || false
     request.cache = request?.cache || "ignore"
   } catch (err) {
     console.error(`failed to parse the render request: ${err}`)

src/utils/upscaleImage.mts

@@ -6,7 +6,8 @@ import { getValidNumber } from "./getValidNumber.mts"
 // we don't use replicas yet, because it ain't easy to get their hostname
 const instances: string[] = [
   `${process.env.VC_UPSCALING_SPACE_API_URL_1 || ""}`,
-  // `${process.env.VC_UPSCALING_SPACE_API_URL_2 || ""}`,
+  `${process.env.VC_UPSCALING_SPACE_API_URL_2 || ""}`,
+  `${process.env.VC_UPSCALING_SPACE_API_URL_3 || ""}`,
 ].filter(instance => instance?.length > 0)
 
 // this doesn't work because of this error.. I think the version of Gradio is too old/young?