Join pre/prompt/post into the first MiniMax prompt, not only later shots.

The motion prompt field is what Comfy actually runs. Wrappers are now composed into that string on submit, and shot 1 falls back to it if the separate pre/post fields do not arrive.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/utils/imageChain.ts

@@ -8,7 +8,7 @@ import { imageDimensions } from '~/server/utils/resolution'
 import { emitChainJob } from '~/server/utils/watch'
 import { saveStill, stillChainName } from '~/server/utils/library'
 import { comfyJobPrefix } from '~/utils/outputNames'
-import { joinPromptParts } from '~/utils/promptParts'
+import { restorePromptParts, wrappedPromptForComfy } from '~/utils/promptParts'
 
 export type EditImageFile = { filename: string; data: Buffer; type?: string }
 
@@ -32,7 +32,14 @@ export type EditRunParams = {
 export async function runEdit(job: Job, params: EditRunParams) {
   const library = job.library
   if (!library) throw new Error('Edit job is missing library metadata')
-  const prompts = [params.prompt, ...params.passes.map(item => item.prompt)]
+  const prompts = [
+    library.promptMid || restorePromptParts(params.prompt, {
+      pre: library.promptPre,
+      prompt: params.prompt,
+      post: library.promptPost
+    }).prompt,
+    ...params.passes.map(item => item.prompt)
+  ]
   const chainTotal = prompts.length
   const batch = params.passMode !== 'chain'
   const unit = batch ? 'Batch' : 'Pass'
@@ -68,7 +75,7 @@ export async function runEdit(job: Job, params: EditRunParams) {
         if (job.status === 'cancelled') throw new Error('Job interrupted.')
         if (index > 0 && library.stopAfterCurrent === true) break
         const mid = (batch || index === 0) ? composeFillPrompt(prompts[index], filled.padded) : prompts[index]
-        const prompt = joinPromptParts(library.promptPre, mid, library.promptPost)
+        const prompt = wrappedPromptForComfy(library, mid, index === 0 ? params.prompt : mid)
         const last = index === prompts.length - 1
         if (index > 0) {
           await ensureComfyReady((status) => {